1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 2ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com/* 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2006 The Android Open Source Project 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 7ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com */ 8ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 9ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkAdvancedTypefaceMetrics.h" 10a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkBase64.h" 111bfe01d06b896eca94c80d9af9a6bb30216b5e42bungeman@google.com#include "SkColorPriv.h" 12a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkData.h" 13a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkDescriptor.h" 14e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com#include "SkFontDescriptor.h" 15a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkFontHost.h" 16bbe50131413098bffed9186660c41f047d881596bungeman@google.com#include "SkGlyph.h" 1727f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com#include "SkHRESULT.h" 1897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com#include "SkMaskGamma.h" 19d3fbd34099a530b5415c95b1f2f8149ac417b9b3bungeman@google.com#include "SkMatrix22.h" 207bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com#include "SkOTTable_maxp.h" 21a980269c2498836101146adc729ef780fb89824ebungeman@google.com#include "SkOTTable_name.h" 22a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkOTUtils.h" 2327889877c0e3c909dd4afd7b5e7b1d58cbf61ae6reed@google.com#include "SkPath.h" 24b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com#include "SkSFNTHeader.h" 25ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkStream.h" 26a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkString.h" 2705a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com#include "SkTemplates.h" 28ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkThread.h" 29ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkTypeface_win.h" 3059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com#include "SkTypefaceCache.h" 31ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkUtils.h" 32ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 33a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include "SkTypes.h" 34a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include <tchar.h> 35a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include <usp10.h> 36a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#include <objbase.h> 37ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 38f210f505ffffccc15ae5e91f8ccb9763ba7fc152reed@google.comstatic void (*gEnsureLOGFONTAccessibleProc)(const LOGFONT&); 39f210f505ffffccc15ae5e91f8ccb9763ba7fc152reed@google.com 40f210f505ffffccc15ae5e91f8ccb9763ba7fc152reed@google.comvoid SkTypeface_SetEnsureLOGFONTAccessibleProc(void (*proc)(const LOGFONT&)) { 41f210f505ffffccc15ae5e91f8ccb9763ba7fc152reed@google.com gEnsureLOGFONTAccessibleProc = proc; 42f210f505ffffccc15ae5e91f8ccb9763ba7fc152reed@google.com} 43f210f505ffffccc15ae5e91f8ccb9763ba7fc152reed@google.com 44055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.comstatic void call_ensure_accessible(const LOGFONT& lf) { 45055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com if (gEnsureLOGFONTAccessibleProc) { 46055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com gEnsureLOGFONTAccessibleProc(lf); 47055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com } 48055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com} 49055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com 50055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com/////////////////////////////////////////////////////////////////////////////// 51055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com 526f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com// always packed xxRRGGBB 536f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.comtypedef uint32_t SkGdiRGB; 546f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com 55a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// define this in your Makefile or .gyp to enforce AA requests 56a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// which GDI ignores at small sizes. This flag guarantees AA 57a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// for rotated text, regardless of GDI's notions. 58a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com//#define SK_ENFORCE_ROTATED_TEXT_AA_ON_WINDOWS 59a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 6082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.comstatic bool isLCD(const SkScalerContext::Rec& rec) { 6182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return SkMask::kLCD16_Format == rec.fMaskFormat || 6282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SkMask::kLCD32_Format == rec.fMaskFormat; 6382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com} 6482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 65a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.comstatic bool bothZero(SkScalar a, SkScalar b) { 66a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return 0 == a && 0 == b; 67a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com} 68a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 69a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// returns false if there is any non-90-rotation or skew 70a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.comstatic bool isAxisAligned(const SkScalerContext::Rec& rec) { 71a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return 0 == rec.fPreSkewX && 72a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com (bothZero(rec.fPost2x2[0][1], rec.fPost2x2[1][0]) || 73a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com bothZero(rec.fPost2x2[0][0], rec.fPost2x2[1][1])); 74a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com} 75a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 76a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.comstatic bool needToRenderWithSkia(const SkScalerContext::Rec& rec) { 77a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com#ifdef SK_ENFORCE_ROTATED_TEXT_AA_ON_WINDOWS 78a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // What we really want to catch is when GDI will ignore the AA request and give 79a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // us BW instead. Smallish rotated text is one heuristic, so this code is just 80a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // an approximation. We shouldn't need to do this for larger sizes, but at those 81a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // sizes, the quality difference gets less and less between our general 82a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // scanconverter and GDI's. 83a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com if (SkMask::kA8_Format == rec.fMaskFormat && !isAxisAligned(rec)) { 84a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return true; 85a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com } 86a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com#endif 870abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return rec.getHinting() == SkPaint::kNo_Hinting || rec.getHinting() == SkPaint::kSlight_Hinting; 88a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com} 89a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 90ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comusing namespace skia_advanced_typeface_metrics_utils; 91ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 92a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.comstatic void tchar_to_skstring(const TCHAR t[], SkString* s) { 93484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com#ifdef UNICODE 94484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com size_t sSize = WideCharToMultiByte(CP_UTF8, 0, t, -1, NULL, 0, NULL, NULL); 95484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com s->resize(sSize); 96484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com WideCharToMultiByte(CP_UTF8, 0, t, -1, s->writable_str(), sSize, NULL, NULL); 97484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com#else 98484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com s->set(t); 99484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com#endif 100484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com} 101484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 102a980269c2498836101146adc729ef780fb89824ebungeman@google.comstatic void dcfontname_to_skstring(HDC deviceContext, const LOGFONT& lf, SkString* familyName) { 103a980269c2498836101146adc729ef780fb89824ebungeman@google.com int fontNameLen; //length of fontName in TCHARS. 104a980269c2498836101146adc729ef780fb89824ebungeman@google.com if (0 == (fontNameLen = GetTextFace(deviceContext, 0, NULL))) { 105a980269c2498836101146adc729ef780fb89824ebungeman@google.com call_ensure_accessible(lf); 106a980269c2498836101146adc729ef780fb89824ebungeman@google.com if (0 == (fontNameLen = GetTextFace(deviceContext, 0, NULL))) { 107a980269c2498836101146adc729ef780fb89824ebungeman@google.com fontNameLen = 0; 108a980269c2498836101146adc729ef780fb89824ebungeman@google.com } 109a980269c2498836101146adc729ef780fb89824ebungeman@google.com } 110a980269c2498836101146adc729ef780fb89824ebungeman@google.com 111a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkAutoSTArray<LF_FULLFACESIZE, TCHAR> fontName(fontNameLen+1); 112a980269c2498836101146adc729ef780fb89824ebungeman@google.com if (0 == GetTextFace(deviceContext, fontNameLen, fontName.get())) { 113a980269c2498836101146adc729ef780fb89824ebungeman@google.com call_ensure_accessible(lf); 114a980269c2498836101146adc729ef780fb89824ebungeman@google.com if (0 == GetTextFace(deviceContext, fontNameLen, fontName.get())) { 115a980269c2498836101146adc729ef780fb89824ebungeman@google.com fontName[0] = 0; 116a980269c2498836101146adc729ef780fb89824ebungeman@google.com } 117a980269c2498836101146adc729ef780fb89824ebungeman@google.com } 118a980269c2498836101146adc729ef780fb89824ebungeman@google.com 119a980269c2498836101146adc729ef780fb89824ebungeman@google.com tchar_to_skstring(fontName.get(), familyName); 120a980269c2498836101146adc729ef780fb89824ebungeman@google.com} 121a980269c2498836101146adc729ef780fb89824ebungeman@google.com 122ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic void make_canonical(LOGFONT* lf) { 12353cbb0baac09e60e7633c15301a29a83afb1a8debungeman@google.com lf->lfHeight = -64; 12459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfQuality = CLEARTYPE_QUALITY;//PROOF_QUALITY; 12559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfCharSet = DEFAULT_CHARSET; 12682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com// lf->lfClipPrecision = 64; 12759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 12859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 12990d812b77ab025d5fd01dab904287f5c5bf56228bungeman@google.comstatic SkTypeface::Style get_style(const LOGFONT& lf) { 13059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com unsigned style = 0; 13159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com if (lf.lfWeight >= FW_BOLD) { 13259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com style |= SkTypeface::kBold; 13359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 13459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com if (lf.lfItalic) { 13559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com style |= SkTypeface::kItalic; 13659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 13790d812b77ab025d5fd01dab904287f5c5bf56228bungeman@google.com return static_cast<SkTypeface::Style>(style); 13859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 13959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 14059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic void setStyle(LOGFONT* lf, SkTypeface::Style style) { 14159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfWeight = (style & SkTypeface::kBold) != 0 ? FW_BOLD : FW_NORMAL ; 14259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfItalic = ((style & SkTypeface::kItalic) != 0); 143ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 144ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 145ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic inline FIXED SkFixedToFIXED(SkFixed x) { 146ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return *(FIXED*)(&x); 147ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 148a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.comstatic inline SkFixed SkFIXEDToFixed(FIXED x) { 149a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com return *(SkFixed*)(&x); 150a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com} 151ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 152ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic inline FIXED SkScalarToFIXED(SkScalar x) { 153ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkFixedToFIXED(SkScalarToFixed(x)); 154ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 155ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1564732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.comstatic inline SkScalar SkFIXEDToScalar(FIXED x) { 1574732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com return SkFixedToScalar(SkFIXEDToFixed(x)); 1584732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com} 1594732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com 1607bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.comstatic unsigned calculateGlyphCount(HDC hdc, const LOGFONT& lf) { 1617bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com TEXTMETRIC textMetric; 1627bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com if (0 == GetTextMetrics(hdc, &textMetric)) { 1637bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com textMetric.tmPitchAndFamily = TMPF_VECTOR; 1647bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com call_ensure_accessible(lf); 1657bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com GetTextMetrics(hdc, &textMetric); 1667bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com } 1677bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 1687bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com if (!(textMetric.tmPitchAndFamily & TMPF_VECTOR)) { 1697bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com return textMetric.tmLastChar; 1707bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com } 1717bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 172ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // The 'maxp' table stores the number of glyphs at offset 4, in 2 bytes. 173ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint16_t glyphs; 1747bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com if (GDI_ERROR != GetFontData(hdc, SkOTTableMaximumProfile::TAG, 4, &glyphs, sizeof(glyphs))) { 175ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkEndian_SwapBE16(glyphs); 176ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1775aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org 178ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Binary search for glyph count. 179ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com static const MAT2 mat2 = {{0, 1}, {0, 0}, {0, 0}, {0, 1}}; 180ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int32_t max = SK_MaxU16 + 1; 181ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int32_t min = 0; 182ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 183ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com while (min < max) { 184ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int32_t mid = min + ((max - min) / 2); 185ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GetGlyphOutlineW(hdc, mid, GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, 186ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com NULL, &mat2) == GDI_ERROR) { 187ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com max = mid; 188ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 189ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com min = mid + 1; 190ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 191ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 192ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(min == max); 193ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return min; 194ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 195ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1967bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.comstatic unsigned calculateUPEM(HDC hdc, const LOGFONT& lf) { 1977bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com TEXTMETRIC textMetric; 1987bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com if (0 == GetTextMetrics(hdc, &textMetric)) { 1997bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com textMetric.tmPitchAndFamily = TMPF_VECTOR; 2007bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com call_ensure_accessible(lf); 2017bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com GetTextMetrics(hdc, &textMetric); 2027bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com } 2037bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 2047bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com if (!(textMetric.tmPitchAndFamily & TMPF_VECTOR)) { 2057bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com return textMetric.tmMaxCharWidth; 2067bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com } 2077bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 2087bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com OUTLINETEXTMETRIC otm; 2097bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com unsigned int otmRet = GetOutlineTextMetrics(hdc, sizeof(otm), &otm); 2107bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com if (0 == otmRet) { 2117bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com call_ensure_accessible(lf); 2127bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com otmRet = GetOutlineTextMetrics(hdc, sizeof(otm), &otm); 2137bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com } 2147bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 2157bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com return (0 == otmRet) ? 0 : otm.otmEMSquare; 2167bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com} 2177bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 218ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comclass LogFontTypeface : public SkTypeface { 219ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.compublic: 220cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com LogFontTypeface(SkTypeface::Style style, SkFontID fontID, const LOGFONT& lf, bool serializeAsStream = false) : 221cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com SkTypeface(style, fontID, false), fLogFont(lf), fSerializeAsStream(serializeAsStream) { 222cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com 223cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com // If the font has cubic outlines, it will not be rendered with ClearType. 224cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com HFONT font = CreateFontIndirect(&lf); 225cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com 226cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com HDC deviceContext = ::CreateCompatibleDC(NULL); 227cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com HFONT savefont = (HFONT)SelectObject(deviceContext, font); 228cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com 229cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com TEXTMETRIC textMetric; 230cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com if (0 == GetTextMetrics(deviceContext, &textMetric)) { 231055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com call_ensure_accessible(lf); 232cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com if (0 == GetTextMetrics(deviceContext, &textMetric)) { 233cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com textMetric.tmPitchAndFamily = TMPF_TRUETYPE; 234cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com } 235cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com } 236cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com if (deviceContext) { 237cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com ::SelectObject(deviceContext, savefont); 238cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com ::DeleteDC(deviceContext); 239cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com } 240cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com if (font) { 241cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com ::DeleteObject(font); 242cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com } 243cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com 244fe74765f0d302669ae49e68074492bdfe0ce6e6fbungeman@google.com // The fixed pitch bit is set if the font is *not* fixed pitch. 245fe74765f0d302669ae49e68074492bdfe0ce6e6fbungeman@google.com this->setIsFixedPitch((textMetric.tmPitchAndFamily & TMPF_FIXED_PITCH) == 0); 246fe74765f0d302669ae49e68074492bdfe0ce6e6fbungeman@google.com 247cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com // Used a logfont on a memory context, should never get a device font. 248cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com // Therefore all TMPF_DEVICE will be PostScript (cubic) fonts. 249cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com fCanBeLCD = !((textMetric.tmPitchAndFamily & TMPF_VECTOR) && 250cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com (textMetric.tmPitchAndFamily & TMPF_DEVICE)); 251cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com } 252ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 25359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT fLogFont; 254e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com bool fSerializeAsStream; 255cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com bool fCanBeLCD; 256ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 25759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com static LogFontTypeface* Create(const LOGFONT& lf) { 25890d812b77ab025d5fd01dab904287f5c5bf56228bungeman@google.com SkTypeface::Style style = get_style(lf); 25959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com SkFontID fontID = SkTypefaceCache::NewFontID(); 26059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return new LogFontTypeface(style, fontID, lf); 261ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 2620da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.com 263055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com static void EnsureAccessible(const SkTypeface* face) { 264055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com call_ensure_accessible(static_cast<const LogFontTypeface*>(face)->fLogFont); 265055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com } 266055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com 2670da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.comprotected: 2680042b9c2a2e6fe954cdfbcd5a5b7449cdf41a4c3reed@google.com virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE; 2690da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.com virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const SK_OVERRIDE; 2700da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.com virtual void onFilterRec(SkScalerContextRec*) const SK_OVERRIDE; 2712689f615e364dc48ad73826564f5b13d2329179dreed@google.com virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics( 2722689f615e364dc48ad73826564f5b13d2329179dreed@google.com SkAdvancedTypefaceMetrics::PerGlyphInfo, 2732689f615e364dc48ad73826564f5b13d2329179dreed@google.com const uint32_t*, uint32_t) const SK_OVERRIDE; 2745526ede94a2fc58bcf6b578b12a29f6addad776dreed@google.com virtual void onGetFontDescriptor(SkFontDescriptor*, bool*) const SK_OVERRIDE; 2753c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com virtual int onCharsToGlyphs(const void* chars, Encoding encoding, 2763c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com uint16_t glyphs[], int glyphCount) const SK_OVERRIDE; 2777bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com virtual int onCountGlyphs() const SK_OVERRIDE; 2787bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com virtual int onGetUPEM() const SK_OVERRIDE; 279839702b61934914118ec557dd641be322eba3b5fbungeman@google.com virtual SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const SK_OVERRIDE; 280b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE; 281b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com virtual size_t onGetTableData(SkFontTableTag, size_t offset, 282b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com size_t length, void* data) const SK_OVERRIDE; 283ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com}; 284ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 285a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comclass FontMemResourceTypeface : public LogFontTypeface { 286a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.compublic: 287a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com /** 288a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com * The created FontMemResourceTypeface takes ownership of fontMemResource. 289a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com */ 290a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com static FontMemResourceTypeface* Create(const LOGFONT& lf, HANDLE fontMemResource) { 291a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com SkTypeface::Style style = get_style(lf); 292a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com SkFontID fontID = SkTypefaceCache::NewFontID(); 293a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return new FontMemResourceTypeface(style, fontID, lf, fontMemResource); 294a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 295a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 296a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comprotected: 297a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com virtual void weak_dispose() const SK_OVERRIDE { 298a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com RemoveFontMemResourceEx(fFontMemResource); 299a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com //SkTypefaceCache::Remove(this); 300a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com INHERITED::weak_dispose(); 301a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 302a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 303a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comprivate: 30472cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com /** 30572cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com * Takes ownership of fontMemResource. 30672cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com */ 30772cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com FontMemResourceTypeface(SkTypeface::Style style, SkFontID fontID, const LOGFONT& lf, HANDLE fontMemResource) : 30872cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com LogFontTypeface(style, fontID, lf, true), fFontMemResource(fontMemResource) { 30972cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com } 31072cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com 31172cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com HANDLE fFontMemResource; 31272cf4fcafa54cfa04c5ec7cb8eaa3acb144712ddbungeman@google.com 313a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com typedef LogFontTypeface INHERITED; 314a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com}; 315a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 316ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic const LOGFONT& get_default_font() { 317ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com static LOGFONT gDefaultFont; 318ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return gDefaultFont; 319ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 320ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 32159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic bool FindByLogFont(SkTypeface* face, SkTypeface::Style requestedStyle, void* ctx) { 322a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com LogFontTypeface* lface = static_cast<LogFontTypeface*>(face); 32359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com const LOGFONT* lf = reinterpret_cast<const LOGFONT*>(ctx); 324ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 325a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return lface && 326a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com get_style(lface->fLogFont) == requestedStyle && 32759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com !memcmp(&lface->fLogFont, lf, sizeof(LOGFONT)); 32859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 32959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 33059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com/** 33159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com * This guy is public. It first searches the cache, and if a match is not found, 33259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com * it creates a new face. 33359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com */ 33459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comSkTypeface* SkCreateTypefaceFromLOGFONT(const LOGFONT& origLF) { 33559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT lf = origLF; 33659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com make_canonical(&lf); 337ee51d1a6e43615ae640410013c36d2d9873e6aa5bungeman@google.com SkTypeface* face = SkTypefaceCache::FindByProcAndRef(FindByLogFont, &lf); 338ee51d1a6e43615ae640410013c36d2d9873e6aa5bungeman@google.com if (NULL == face) { 33959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com face = LogFontTypeface::Create(lf); 34090d812b77ab025d5fd01dab904287f5c5bf56228bungeman@google.com SkTypefaceCache::Add(face, get_style(lf)); 34159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 34259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return face; 343ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 344ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 345db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com/** 346a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com * The created SkTypeface takes ownership of fontMemResource. 347a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com */ 348a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comSkTypeface* SkCreateFontMemResourceTypefaceFromLOGFONT(const LOGFONT& origLF, HANDLE fontMemResource) { 349a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com LOGFONT lf = origLF; 350a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com make_canonical(&lf); 351a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com FontMemResourceTypeface* face = FontMemResourceTypeface::Create(lf, fontMemResource); 352a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com SkTypefaceCache::Add(face, get_style(lf), false); 353a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return face; 354a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com} 355a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 356a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com/** 357db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com * This guy is public 358db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com */ 359db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.comvoid SkLOGFONTFromTypeface(const SkTypeface* face, LOGFONT* lf) { 360db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com if (NULL == face) { 361db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com *lf = get_default_font(); 362db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com } else { 363a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com *lf = static_cast<const LogFontTypeface*>(face)->fLogFont; 364db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com } 365db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com} 366db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com 3676744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// Construct Glyph to Unicode table. 3686744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// Unicode code points that require conjugate pairs in utf16 are not 3696744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// supported. 3706744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// TODO(arthurhsu): Add support for conjugate pairs. It looks like that may 3716744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// require parsing the TTF cmap table (platform 4, encoding 12) directly instead 3726744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// of calling GetFontUnicodeRange(). 3736744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.orgstatic void populate_glyph_to_unicode(HDC fontHdc, const unsigned glyphCount, 3746744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkTDArray<SkUnichar>* glyphToUnicode) { 3756744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org DWORD glyphSetBufferSize = GetFontUnicodeRanges(fontHdc, NULL); 3766744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (!glyphSetBufferSize) { 3776744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org return; 3786744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 3796744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 3806744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkAutoTDeleteArray<BYTE> glyphSetBuffer(new BYTE[glyphSetBufferSize]); 3816744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org GLYPHSET* glyphSet = 3826744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org reinterpret_cast<LPGLYPHSET>(glyphSetBuffer.get()); 3836744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (GetFontUnicodeRanges(fontHdc, glyphSet) != glyphSetBufferSize) { 3846744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org return; 3856744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 3866744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 3876744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org glyphToUnicode->setCount(glyphCount); 3886744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org memset(glyphToUnicode->begin(), 0, glyphCount * sizeof(SkUnichar)); 3896744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org for (DWORD i = 0; i < glyphSet->cRanges; ++i) { 3906744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // There is no guarantee that within a Unicode range, the corresponding 3916744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // glyph id in a font file are continuous. So, even if we have ranges, 3926744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // we can't just use the first and last entry of the range to compute 3936744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // result. We need to enumerate them one by one. 3946744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org int count = glyphSet->ranges[i].cGlyphs; 3956744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkAutoTArray<WCHAR> chars(count + 1); 3966744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org chars[count] = 0; // termintate string 3976744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkAutoTArray<WORD> glyph(count); 3986744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org for (USHORT j = 0; j < count; ++j) { 3996744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org chars[j] = glyphSet->ranges[i].wcLow + j; 4006744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 4016744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org GetGlyphIndicesW(fontHdc, chars.get(), count, glyph.get(), 4026744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org GGI_MARK_NONEXISTING_GLYPHS); 4036744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // If the glyph ID is valid, and the glyph is not mapped, then we will 4046744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // fill in the char id into the vector. If the glyph is mapped already, 4056744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // skip it. 4066744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // TODO(arthurhsu): better improve this. e.g. Get all used char ids from 4076744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // font cache, then generate this mapping table from there. It's 4086744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // unlikely to have collisions since glyph reuse happens mostly for 4096744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // different Unicode pages. 4106744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org for (USHORT j = 0; j < count; ++j) { 4116744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (glyph[j] != 0xffff && glyph[j] < glyphCount && 4126744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org (*glyphToUnicode)[glyph[j]] == 0) { 4136744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org (*glyphToUnicode)[glyph[j]] = chars[j]; 4146744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 4156744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 4166744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 4176744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org} 4186744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 41999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com////////////////////////////////////////////////////////////////////////////////////// 42099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 42199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.comstatic int alignTo32(int n) { 42299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com return (n + 31) & ~31; 42399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com} 42499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 42599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.comstruct MyBitmapInfo : public BITMAPINFO { 42699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com RGBQUAD fMoreSpaceForColors[1]; 42799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com}; 42899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 42999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.comclass HDCOffscreen { 43099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.compublic: 43199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com HDCOffscreen() { 43299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fFont = 0; 43399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fDC = 0; 43499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fBM = 0; 43599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fBits = NULL; 43699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fWidth = fHeight = 0; 43799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fIsBW = false; 43899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 43999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 44099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com ~HDCOffscreen() { 44199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (fDC) { 44299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com DeleteDC(fDC); 44399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 44499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (fBM) { 44599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com DeleteObject(fBM); 44699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 44799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 44899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 44999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com void init(HFONT font, const XFORM& xform) { 45099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fFont = font; 45199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fXform = xform; 45299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 45399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 45497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const void* draw(const SkGlyph&, bool isBW, size_t* srcRBPtr); 45599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 45699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.comprivate: 45799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com HDC fDC; 45899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com HBITMAP fBM; 45999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com HFONT fFont; 46099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com XFORM fXform; 46199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com void* fBits; // points into fBM 46299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com int fWidth; 46399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com int fHeight; 46499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com bool fIsBW; 46599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com}; 46699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 467754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.comconst void* HDCOffscreen::draw(const SkGlyph& glyph, bool isBW, 46897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com size_t* srcRBPtr) { 46984e22d847fc84727bc220947162363ee1fe068fcreed@google.com // Can we share the scalercontext's fDDC, so we don't need to create 47084e22d847fc84727bc220947162363ee1fe068fcreed@google.com // a separate fDC here? 47199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (0 == fDC) { 47299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fDC = CreateCompatibleDC(0); 47399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (0 == fDC) { 47499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com return NULL; 47599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 47699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com SetGraphicsMode(fDC, GM_ADVANCED); 47799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com SetBkMode(fDC, TRANSPARENT); 47899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com SetTextAlign(fDC, TA_LEFT | TA_BASELINE); 47999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com SelectObject(fDC, fFont); 48097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com 48197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com COLORREF color = 0x00FFFFFF; 482b58a639b2fbe919489654bb506efdb024a308a8ebsalomon@google.com SkDEBUGCODE(COLORREF prev =) SetTextColor(fDC, color); 48397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com SkASSERT(prev != CLR_INVALID); 48499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 48599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 48699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (fBM && (fIsBW != isBW || fWidth < glyph.fWidth || fHeight < glyph.fHeight)) { 48799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com DeleteObject(fBM); 48899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fBM = 0; 48999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 490754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com fIsBW = isBW; 49199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 49299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fWidth = SkMax32(fWidth, glyph.fWidth); 49399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fHeight = SkMax32(fHeight, glyph.fHeight); 49499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 49599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com int biWidth = isBW ? alignTo32(fWidth) : fWidth; 49699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 49799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (0 == fBM) { 49899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com MyBitmapInfo info; 49999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com sk_bzero(&info, sizeof(info)); 50099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (isBW) { 50199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com RGBQUAD blackQuad = { 0, 0, 0, 0 }; 50299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com RGBQUAD whiteQuad = { 0xFF, 0xFF, 0xFF, 0 }; 50399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiColors[0] = blackQuad; 50499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiColors[1] = whiteQuad; 50599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 50699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biSize = sizeof(info.bmiHeader); 50799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biWidth = biWidth; 50899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biHeight = fHeight; 50999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biPlanes = 1; 51099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biBitCount = isBW ? 1 : 32; 51199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biCompression = BI_RGB; 51299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (isBW) { 51399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com info.bmiHeader.biClrUsed = 2; 51499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 51599edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com fBM = CreateDIBSection(fDC, &info, DIB_RGB_COLORS, &fBits, 0, 0); 51699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com if (0 == fBM) { 51799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com return NULL; 51899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 51999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com SelectObject(fDC, fBM); 52099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com } 52199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 52299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com // erase 52399edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com size_t srcRB = isBW ? (biWidth >> 3) : (fWidth << 2); 52499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com size_t size = fHeight * srcRB; 52597efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com memset(fBits, 0, size); 52699edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 52799edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com XFORM xform = fXform; 52899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com xform.eDx = (float)-glyph.fLeft; 52999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com xform.eDy = (float)-glyph.fTop; 53099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com SetWorldTransform(fDC, &xform); 53199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 53299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com uint16_t glyphID = glyph.getGlyphID(); 53339698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com BOOL ret = ExtTextOutW(fDC, 0, 0, ETO_GLYPH_INDEX, NULL, reinterpret_cast<LPCWSTR>(&glyphID), 1, NULL); 53499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com GdiFlush(); 53539698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com if (0 == ret) { 53639698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com return NULL; 53739698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com } 53899edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com *srcRBPtr = srcRB; 53999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com // offset to the start of the image 54099edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com return (const char*)fBits + (fHeight - glyph.fHeight) * srcRB; 54199edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com} 54299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 543b8a5c618d2e18d71707ae4dcafbe5153d7ff427freed@google.com////////////////////////////////////////////////////////////////////////////// 5440abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#define BUFFERSIZE (1 << 13) 54559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 54630ddd615c447fed73286151b463af20d309c85f1reed@google.comclass SkScalerContext_GDI : public SkScalerContext { 547ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.compublic: 54830ddd615c447fed73286151b463af20d309c85f1reed@google.com SkScalerContext_GDI(SkTypeface*, const SkDescriptor* desc); 54930ddd615c447fed73286151b463af20d309c85f1reed@google.com virtual ~SkScalerContext_GDI(); 550ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 55184e22d847fc84727bc220947162363ee1fe068fcreed@google.com // Returns true if the constructor was able to complete all of its 55284e22d847fc84727bc220947162363ee1fe068fcreed@google.com // initializations (which may include calling GDI). 55384e22d847fc84727bc220947162363ee1fe068fcreed@google.com bool isValid() const; 55484e22d847fc84727bc220947162363ee1fe068fcreed@google.com 555ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comprotected: 55697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com virtual unsigned generateGlyphCount() SK_OVERRIDE; 55797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com virtual uint16_t generateCharToGlyph(SkUnichar uni) SK_OVERRIDE; 55897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com virtual void generateAdvance(SkGlyph* glyph) SK_OVERRIDE; 55997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com virtual void generateMetrics(SkGlyph* glyph) SK_OVERRIDE; 560a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com virtual void generateImage(const SkGlyph& glyph) SK_OVERRIDE; 56197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com virtual void generatePath(const SkGlyph& glyph, SkPath* path) SK_OVERRIDE; 562a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com virtual void generateFontMetrics(SkPaint::FontMetrics* mX, 563a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com SkPaint::FontMetrics* mY) SK_OVERRIDE; 56499edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 565ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comprivate: 5660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com DWORD getGDIGlyphPath(const SkGlyph& glyph, UINT flags, 5670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkAutoSTMalloc<BUFFERSIZE, uint8_t>* glyphbuf); 5680abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 56999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com HDCOffscreen fOffscreen; 5700abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com /** fGsA is the non-rotational part of total matrix without the text height scale. 5710abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com * Used to find the magnitude of advances. 5720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com */ 5730abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com MAT2 fGsA; 5746a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com /** The total matrix without the textSize. */ 575ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com MAT2 fMat22; 5766a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com /** Scales font to EM size. */ 5776a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com MAT2 fHighResMat22; 578ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HDC fDDC; 579ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT fSavefont; 580ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT fFont; 581ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SCRIPT_CACHE fSC; 582ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int fGlyphCount; 5831dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 5846a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com /** The total matrix which also removes EM scale. */ 5851dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SkMatrix fHiResMatrix; 5860abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com /** fG_inv is the inverse of the rotational part of the total matrix. 5870abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com * Used to set the direction of advances. 5880abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com */ 5890abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkMatrix fG_inv; 590a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com enum Type { 5914732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com kTrueType_Type, kBitmap_Type, kLine_Type 592a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } fType; 593a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com TEXTMETRIC fTM; 594ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com}; 595ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 596ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic FIXED float2FIXED(float x) { 597ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkFixedToFIXED(SkFloatToFixed(x)); 598ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 599ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 60082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.comstatic BYTE compute_quality(const SkScalerContext::Rec& rec) { 60182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com switch (rec.fMaskFormat) { 60282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com case SkMask::kBW_Format: 60382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return NONANTIALIASED_QUALITY; 60482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com case SkMask::kLCD16_Format: 60582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com case SkMask::kLCD32_Format: 60682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return CLEARTYPE_QUALITY; 60782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com default: 6088351aabbfe82a76a698fa2bde00d33c1174518cdreed@google.com if (rec.fFlags & SkScalerContext::kGenA8FromLCD_Flag) { 6098351aabbfe82a76a698fa2bde00d33c1174518cdreed@google.com return CLEARTYPE_QUALITY; 6108351aabbfe82a76a698fa2bde00d33c1174518cdreed@google.com } else { 6118351aabbfe82a76a698fa2bde00d33c1174518cdreed@google.com return ANTIALIASED_QUALITY; 6128351aabbfe82a76a698fa2bde00d33c1174518cdreed@google.com } 61382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } 61482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com} 61582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 61630ddd615c447fed73286151b463af20d309c85f1reed@google.comSkScalerContext_GDI::SkScalerContext_GDI(SkTypeface* rawTypeface, 6170da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.com const SkDescriptor* desc) 618055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com : SkScalerContext(rawTypeface, desc) 619055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com , fDDC(0) 620055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com , fSavefont(0) 62184e22d847fc84727bc220947162363ee1fe068fcreed@google.com , fFont(0) 622055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com , fSC(0) 62305a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com , fGlyphCount(-1) 62405a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com{ 625055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com LogFontTypeface* typeface = reinterpret_cast<LogFontTypeface*>(rawTypeface); 626055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com 627ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fDDC = ::CreateCompatibleDC(NULL); 62884e22d847fc84727bc220947162363ee1fe068fcreed@google.com if (!fDDC) { 62984e22d847fc84727bc220947162363ee1fe068fcreed@google.com return; 63084e22d847fc84727bc220947162363ee1fe068fcreed@google.com } 6311dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SetGraphicsMode(fDDC, GM_ADVANCED); 632ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SetBkMode(fDDC, TRANSPARENT); 63327e21fe577211c1c40cbf40d0385b02c69d04522skia.committer@gmail.com 6340abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkPoint h = SkPoint::Make(SK_Scalar1, 0); 6350abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // A is the total matrix. 6360abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkMatrix A; 6370abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fRec.getSingleMatrix(&A); 6380abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com A.mapPoints(&h, 1); 6390abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 640d3fbd34099a530b5415c95b1f2f8149ac417b9b3bungeman@google.com // G is the Givens Matrix for A (rotational matrix where GA[0][1] == 0). 6410abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkMatrix G; 642d3fbd34099a530b5415c95b1f2f8149ac417b9b3bungeman@google.com SkComputeGivensRotation(h, &G); 6430abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 6440abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // GA is the matrix A with rotation removed. 6450abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkMatrix GA(G); 6460abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GA.preConcat(A); 6470abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 64811ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com // realTextSize is the actual device size we want (as opposed to the size the user requested). 6491c261116d9e980534c21faec8ea440669026942ebungeman@google.com // gdiTextSize is the size we request from GDI. 6500abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // If the scale is negative, this means the matrix will do the flip anyway. 65111ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com SkScalar realTextSize = SkScalarAbs(GA.get(SkMatrix::kMScaleY)); 65211ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com SkScalar gdiTextSize = SkScalarRoundToScalar(realTextSize); 65311ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com if (gdiTextSize == 0) { 65411ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com gdiTextSize = SK_Scalar1; 6550abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 6560abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 65711ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com // When not hinting, remove only the gdiTextSize scale which will be applied by GDI. 65811ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com // When GDI hinting, remove the entire Y scale to prevent 'subpixel' metrics. 65911ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com SkScalar scale = (fRec.getHinting() == SkPaint::kNo_Hinting || 66011ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com fRec.getHinting() == SkPaint::kSlight_Hinting) 66111ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com ? SkScalarInvert(gdiTextSize) 66211ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com : SkScalarInvert(realTextSize); 66311ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com 6640abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // sA is the total matrix A without the textSize (so GDI knows the text size separately). 6650abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // When this matrix is used with GetGlyphOutline, no further processing is needed. 6660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkMatrix sA(A); 6670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com sA.preScale(scale, scale); //remove text size 6680abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 6690abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // GsA is the non-rotational part of A without the text height scale. 6700abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // This is what is used to find the magnitude of advances. 6710abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkMatrix GsA(GA); 6720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GsA.preScale(scale, scale); //remove text size, G is rotational so reorders with the scale. 6730abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 6740abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fGsA.eM11 = SkScalarToFIXED(GsA.get(SkMatrix::kMScaleX)); 6750abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fGsA.eM12 = SkScalarToFIXED(-GsA.get(SkMatrix::kMSkewY)); // This should be ~0. 6760abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fGsA.eM21 = SkScalarToFIXED(-GsA.get(SkMatrix::kMSkewX)); 6770abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fGsA.eM22 = SkScalarToFIXED(GsA.get(SkMatrix::kMScaleY)); 6780abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 6790abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // fG_inv is G inverse, which is fairly simple since G is 2x2 rotational. 6800abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fG_inv.setAll(G.get(SkMatrix::kMScaleX), -G.get(SkMatrix::kMSkewX), G.get(SkMatrix::kMTransX), 6810abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com -G.get(SkMatrix::kMSkewY), G.get(SkMatrix::kMScaleY), G.get(SkMatrix::kMTransY), 6820abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com G.get(SkMatrix::kMPersp0), G.get(SkMatrix::kMPersp1), G.get(SkMatrix::kMPersp2)); 683ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 684055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com LOGFONT lf = typeface->fLogFont; 68511ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com lf.lfHeight = -SkScalarTruncToInt(gdiTextSize); 68682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com lf.lfQuality = compute_quality(fRec); 687ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fFont = CreateFontIndirect(&lf); 68884e22d847fc84727bc220947162363ee1fe068fcreed@google.com if (!fFont) { 68984e22d847fc84727bc220947162363ee1fe068fcreed@google.com return; 69084e22d847fc84727bc220947162363ee1fe068fcreed@google.com } 6911dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 692ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fSavefont = (HFONT)SelectObject(fDDC, fFont); 693a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 694a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com if (0 == GetTextMetrics(fDDC, &fTM)) { 695055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com call_ensure_accessible(lf); 696a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com if (0 == GetTextMetrics(fDDC, &fTM)) { 697a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com fTM.tmPitchAndFamily = TMPF_TRUETYPE; 698a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 699a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 70090b7e386cab251db78152f18adfd54e019b8dc10bungeman@google.com 701d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com XFORM xform; 70290b7e386cab251db78152f18adfd54e019b8dc10bungeman@google.com if (fTM.tmPitchAndFamily & TMPF_VECTOR) { 7034732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // Used a logfont on a memory context, should never get a device font. 7044732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // Therefore all TMPF_DEVICE will be PostScript fonts. 7054732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com 7064732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // If TMPF_VECTOR is set, one of TMPF_TRUETYPE or TMPF_DEVICE means that 7074732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // we have an outline font. Otherwise we have a vector FON, which is 7084732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // scalable, but not an outline font. 7094732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // This was determined by testing with Type1 PFM/PFB and 7104732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // OpenTypeCFF OTF, as well as looking at Wine bugs and sources. 7114732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com if (fTM.tmPitchAndFamily & (TMPF_TRUETYPE | TMPF_DEVICE)) { 7124732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // Truetype or PostScript. 7134732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com fType = SkScalerContext_GDI::kTrueType_Type; 7144732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com } else { 7154732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // Stroked FON. 7164732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com fType = SkScalerContext_GDI::kLine_Type; 7174732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com } 718a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 719d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // fPost2x2 is column-major, left handed (y down). 720d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // XFORM 2x2 is row-major, left handed (y down). 7210abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com xform.eM11 = SkScalarToFloat(sA.get(SkMatrix::kMScaleX)); 7220abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com xform.eM12 = SkScalarToFloat(sA.get(SkMatrix::kMSkewY)); 7230abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com xform.eM21 = SkScalarToFloat(sA.get(SkMatrix::kMSkewX)); 7240abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com xform.eM22 = SkScalarToFloat(sA.get(SkMatrix::kMScaleY)); 725d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eDx = 0; 726d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eDy = 0; 727d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com 728d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // MAT2 is row major, right handed (y up). 729d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fMat22.eM11 = float2FIXED(xform.eM11); 730d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fMat22.eM12 = float2FIXED(-xform.eM12); 731d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fMat22.eM21 = float2FIXED(-xform.eM21); 732d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fMat22.eM22 = float2FIXED(xform.eM22); 733a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 734a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com if (needToRenderWithSkia(fRec)) { 735a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com this->forceGenerateImageFromPath(); 736a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 737a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 73811ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com // Create a hires matrix if we need linear metrics. 7390abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (this->isSubpixel()) { 7400abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com OUTLINETEXTMETRIC otm; 7410abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com UINT success = GetOutlineTextMetrics(fDDC, sizeof(otm), &otm); 7420abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (0 == success) { 7430abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com call_ensure_accessible(lf); 7440abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com success = GetOutlineTextMetrics(fDDC, sizeof(otm), &otm); 7450abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 7460abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (0 != success) { 74711ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com SkScalar upem = SkIntToScalar(otm.otmEMSquare); 7486a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com 74911ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com SkScalar gdiTextSizeToEMScale = upem / gdiTextSize; 75011ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com fHighResMat22.eM11 = float2FIXED(gdiTextSizeToEMScale); 7516a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com fHighResMat22.eM12 = float2FIXED(0); 7526a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com fHighResMat22.eM21 = float2FIXED(0); 75311ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com fHighResMat22.eM22 = float2FIXED(gdiTextSizeToEMScale); 7546a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com 75511ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com SkScalar removeEMScale = SkScalarInvert(upem); 7566a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com fHiResMatrix = A; 75711ba3199f3edc7883ada4fd941d231f8f4883720bungeman@google.com fHiResMatrix.preScale(removeEMScale, removeEMScale); 7580abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 7590abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 7600abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 761a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } else { 762a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com // Assume bitmap 76330ddd615c447fed73286151b463af20d309c85f1reed@google.com fType = SkScalerContext_GDI::kBitmap_Type; 764a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 765d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eM11 = 1.0f; 766d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eM12 = 0.0f; 767d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eM21 = 0.0f; 768d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eM22 = 1.0f; 769d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eDx = 0.0f; 770d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com xform.eDy = 0.0f; 771a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 772d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // fPost2x2 is column-major, left handed (y down). 773d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // MAT2 is row major, right handed (y up). 774a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com fMat22.eM11 = SkScalarToFIXED(fRec.fPost2x2[0][0]); 775d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fMat22.eM12 = SkScalarToFIXED(-fRec.fPost2x2[1][0]); 776a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com fMat22.eM21 = SkScalarToFIXED(-fRec.fPost2x2[0][1]); 777d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fMat22.eM22 = SkScalarToFIXED(fRec.fPost2x2[1][1]); 778a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com } 77999edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com 780d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fOffscreen.init(fFont, xform); 781ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 782ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 78330ddd615c447fed73286151b463af20d309c85f1reed@google.comSkScalerContext_GDI::~SkScalerContext_GDI() { 784ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fDDC) { 785ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::SelectObject(fDDC, fSavefont); 786ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::DeleteDC(fDDC); 787ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 788ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fFont) { 789ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::DeleteObject(fFont); 790ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 791ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fSC) { 792ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::ScriptFreeCache(&fSC); 793ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 794ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 795ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 79630ddd615c447fed73286151b463af20d309c85f1reed@google.combool SkScalerContext_GDI::isValid() const { 79784e22d847fc84727bc220947162363ee1fe068fcreed@google.com return fDDC && fFont; 79884e22d847fc84727bc220947162363ee1fe068fcreed@google.com} 79984e22d847fc84727bc220947162363ee1fe068fcreed@google.com 80030ddd615c447fed73286151b463af20d309c85f1reed@google.comunsigned SkScalerContext_GDI::generateGlyphCount() { 801ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fGlyphCount < 0) { 8027bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com fGlyphCount = calculateGlyphCount( 8037bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com fDDC, static_cast<const LogFontTypeface*>(this->getTypeface())->fLogFont); 804ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 805ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return fGlyphCount; 806ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 807ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 80833346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.comuint16_t SkScalerContext_GDI::generateCharToGlyph(SkUnichar utf32) { 809ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint16_t index = 0; 81033346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com WCHAR utf16[2]; 811ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // TODO(ctguil): Support characters that generate more than one glyph. 81233346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com if (SkUTF16_FromUnichar(utf32, (uint16_t*)utf16) == 1) { 813ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Type1 fonts fail with uniscribe API. Use GetGlyphIndices for plane 0. 8147bd141dce43ea3405bc60c9c84e6f910b851b079skia.committer@gmail.com 81533346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com /** Real documentation for GetGlyphIndiciesW: 81633346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * 81733346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * When GGI_MARK_NONEXISTING_GLYPHS is not specified and a character does not map to a 81833346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * glyph, then the 'default character's glyph is returned instead. The 'default character' 8194732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com * is available in fTM.tmDefaultChar. FON fonts have a default character, and there exists 8204732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com * a usDefaultChar in the 'OS/2' table, version 2 and later. If there is no 82133346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * 'default character' specified by the font, then often the first character found is used. 82233346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * 82333346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * When GGI_MARK_NONEXISTING_GLYPHS is specified and a character does not map to a glyph, 82433346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * then the glyph 0xFFFF is used. In Windows XP and earlier, Bitmap/Vector FON usually use 82533346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * glyph 0x1F instead ('Terminal' appears to be special, returning 0xFFFF). 82633346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com * Type1 PFM/PFB, TT, OT TT, OT CFF all appear to use 0xFFFF, even on XP. 82733346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com */ 82833346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com DWORD result = GetGlyphIndicesW(fDDC, utf16, 1, &index, GGI_MARK_NONEXISTING_GLYPHS); 82933346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com if (result == GDI_ERROR 83033346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com || 0xFFFF == index 8314732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com || (0x1F == index && 8324732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com (fType == SkScalerContext_GDI::kBitmap_Type || 8334732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com fType == SkScalerContext_GDI::kLine_Type) 8344732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com /*&& winVer < Vista */) 8354732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com ) 83633346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com { 83733346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com index = 0; 83833346487cbb64134d7204abe32d9318c1b511aa8bungeman@google.com } 839ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 840ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Use uniscribe to detemine glyph index for non-BMP characters. 84127f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com static const int numWCHAR = 2; 84227f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com static const int maxItems = 2; 84327f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com // MSDN states that this can be NULL, but some things don't work then. 84427f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com SCRIPT_CONTROL sc = { 0 }; 84527f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com // Add extra item to SCRIPT_ITEM to work around a bug (now documented). 84627f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com // https://bugzilla.mozilla.org/show_bug.cgi?id=366643 84727f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com SCRIPT_ITEM si[maxItems + 1]; 84827f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com int numItems; 84927f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com HRZM(ScriptItemize(utf16, numWCHAR, maxItems, &sc, NULL, si, &numItems), 85027f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com "Could not itemize character."); 85127f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com 85227f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com // Sometimes ScriptShape cannot find a glyph for a non-BMP and returns 2 space glyphs. 85327f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com static const int maxGlyphs = 2; 85427f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com SCRIPT_VISATTR vsa[maxGlyphs]; 85527f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com WORD outGlyphs[maxGlyphs]; 85627f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com WORD logClust[numWCHAR]; 85727f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com int numGlyphs; 85827f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com HRZM(ScriptShape(fDDC, &fSC, utf16, numWCHAR, maxGlyphs, &si[0].a, 85927f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com outGlyphs, logClust, vsa, &numGlyphs), 86027f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com "Could not shape character."); 86127f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com if (1 == numGlyphs) { 86227f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com index = outGlyphs[0]; 86327f74aab32123e6f021359061149966fa4ca5a62bungeman@google.com } 864ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 865ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return index; 866ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 867ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 86830ddd615c447fed73286151b463af20d309c85f1reed@google.comvoid SkScalerContext_GDI::generateAdvance(SkGlyph* glyph) { 869ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com this->generateMetrics(glyph); 870ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 871ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 87230ddd615c447fed73286151b463af20d309c85f1reed@google.comvoid SkScalerContext_GDI::generateMetrics(SkGlyph* glyph) { 873ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 874ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 8754732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com if (fType == SkScalerContext_GDI::kBitmap_Type || fType == SkScalerContext_GDI::kLine_Type) { 876a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com SIZE size; 877a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com WORD glyphs = glyph->getGlyphID(0); 878a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com if (0 == GetTextExtentPointI(fDDC, &glyphs, 1, &size)) { 879a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fWidth = SkToS16(fTM.tmMaxCharWidth); 880a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } else { 881a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fWidth = SkToS16(size.cx); 882a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 883a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fHeight = SkToS16(size.cy); 884a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 885a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fTop = SkToS16(-fTM.tmAscent); 8864732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // Bitmap FON cannot underhang, but vector FON may. 8874732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // There appears no means of determining underhang of vector FON. 888a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fLeft = SkToS16(0); 889a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fAdvanceX = SkIntToFixed(glyph->fWidth); 890a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fAdvanceY = 0; 891a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 8924732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com // Vector FON will transform nicely, but bitmap FON do not. 8934732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com if (fType == SkScalerContext_GDI::kLine_Type) { 8944732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com SkRect bounds = SkRect::MakeXYWH(glyph->fLeft, glyph->fTop, 8954732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com glyph->fWidth, glyph->fHeight); 8964732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com SkMatrix m; 8974732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com m.setAll(SkFIXEDToScalar(fMat22.eM11), -SkFIXEDToScalar(fMat22.eM21), 0, 8984732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com -SkFIXEDToScalar(fMat22.eM12), SkFIXEDToScalar(fMat22.eM22), 0, 8994732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com 0, 0, SkScalarToPersp(SK_Scalar1)); 9004732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com m.mapRect(&bounds); 9014732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com bounds.roundOut(); 9024732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com glyph->fLeft = SkScalarTruncToInt(bounds.fLeft); 9034732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com glyph->fTop = SkScalarTruncToInt(bounds.fTop); 9044732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com glyph->fWidth = SkScalarTruncToInt(bounds.width()); 9054732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com glyph->fHeight = SkScalarTruncToInt(bounds.height()); 9064732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com } 9074732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com 908d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // Apply matrix to advance. 9094732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com glyph->fAdvanceY = SkFixedMul(-SkFIXEDToFixed(fMat22.eM12), glyph->fAdvanceX); 910a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com glyph->fAdvanceX = SkFixedMul(SkFIXEDToFixed(fMat22.eM11), glyph->fAdvanceX); 911a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 912a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com return; 913a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 914a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 915d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com UINT glyphId = glyph->getGlyphID(0); 916d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com 917ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 9181dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com sk_bzero(&gm, sizeof(gm)); 919ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 920d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com DWORD status = GetGlyphOutlineW(fDDC, glyphId, GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, NULL, &fMat22); 921d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (GDI_ERROR == status) { 922055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com LogFontTypeface::EnsureAccessible(this->getTypeface()); 923d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com status = GetGlyphOutlineW(fDDC, glyphId, GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, NULL, &fMat22); 924d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (GDI_ERROR == status) { 925d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->zeroMetrics(); 926d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com return; 927d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com } 92839698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com } 929ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 930d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com bool empty = false; 931d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // The black box is either the embedded bitmap size or the outline extent. 932d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // It is 1x1 if nothing is to be drawn, but will also be 1x1 if something very small 933d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // is to be drawn, like a '.'. We need to outset '.' but do not wish to outset ' '. 934d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (1 == gm.gmBlackBoxX && 1 == gm.gmBlackBoxY) { 935d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // If GetGlyphOutline with GGO_NATIVE returns 0, we know there was no outline. 936d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com DWORD bufferSize = GetGlyphOutlineW(fDDC, glyphId, GGO_NATIVE | GGO_GLYPH_INDEX, &gm, 0, NULL, &fMat22); 937d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com empty = (0 == bufferSize); 938d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com } 9391dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 940d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fTop = SkToS16(-gm.gmptGlyphOrigin.y); 941d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fLeft = SkToS16(gm.gmptGlyphOrigin.x); 942d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (empty) { 943d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fWidth = 0; 944d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fHeight = 0; 945ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 946d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // Outset, since the image may bleed out of the black box. 947d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // For embedded bitmaps the black box should be exact. 948d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // For outlines we need to outset by 1 in all directions for bleed. 949d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // For ClearType we need to outset by 2 for bleed. 950d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fWidth = gm.gmBlackBoxX + 4; 951d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fHeight = gm.gmBlackBoxY + 4; 952d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fTop -= 2; 953d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fLeft -= 2; 954d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com } 955d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fAdvanceX = SkIntToFixed(gm.gmCellIncX); 956d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fAdvanceY = SkIntToFixed(gm.gmCellIncY); 957d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fRsbDelta = 0; 958d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fLsbDelta = 0; 959d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com 9606a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com if (this->isSubpixel()) { 961d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com sk_bzero(&gm, sizeof(gm)); 9626a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.com status = GetGlyphOutlineW(fDDC, glyphId, GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, NULL, &fHighResMat22); 963d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (GDI_ERROR != status) { 964d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkPoint advance; 965d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com fHiResMatrix.mapXY(SkIntToScalar(gm.gmCellIncX), SkIntToScalar(gm.gmCellIncY), &advance); 966d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fAdvanceX = SkScalarToFixed(advance.fX); 967d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com glyph->fAdvanceY = SkScalarToFixed(advance.fY); 968d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com } 9690abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } else if (!isAxisAligned(this->fRec)) { 9700abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com status = GetGlyphOutlineW(fDDC, glyphId, GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, NULL, &fGsA); 9710abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (GDI_ERROR != status) { 9720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkPoint advance; 9730abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fG_inv.mapXY(SkIntToScalar(gm.gmCellIncX), SkIntToScalar(gm.gmCellIncY), &advance); 9740abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com glyph->fAdvanceX = SkScalarToFixed(advance.fX); 9750abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com glyph->fAdvanceY = SkScalarToFixed(advance.fY); 9760abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 977ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 978ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 979ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 9806a774a1f266070f304199ee31b8d1f4c0138b6cfbungeman@google.comstatic const MAT2 gMat2Identity = {{0, 1}, {0, 0}, {0, 0}, {0, 1}}; 98130ddd615c447fed73286151b463af20d309c85f1reed@google.comvoid SkScalerContext_GDI::generateFontMetrics(SkPaint::FontMetrics* mx, SkPaint::FontMetrics* my) { 98260af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com if (!(mx || my)) { 983ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return; 98460af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com } 98560af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com 98660af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com if (mx) { 98760af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com sk_bzero(mx, sizeof(*mx)); 98860af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com } 98960af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com if (my) { 99060af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com sk_bzero(my, sizeof(*my)); 99160af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com } 992ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 993ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 994ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 995e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com#ifndef SK_GDI_ALWAYS_USE_TEXTMETRICS_FOR_FONT_METRICS 9964732df69415fbece99b3d4c033dc3bebe73d0117bungeman@google.com if (fType == SkScalerContext_GDI::kBitmap_Type || fType == SkScalerContext_GDI::kLine_Type) { 997e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com#endif 998a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com if (mx) { 999a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com mx->fTop = SkIntToScalar(-fTM.tmAscent); 1000a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com mx->fAscent = SkIntToScalar(-fTM.tmAscent); 10010abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com mx->fDescent = SkIntToScalar(fTM.tmDescent); 1002a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com mx->fBottom = SkIntToScalar(fTM.tmDescent); 100360af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com mx->fLeading = SkIntToScalar(fTM.tmExternalLeading); 1004a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 1005a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 1006a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com if (my) { 1007a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com my->fTop = SkIntToScalar(-fTM.tmAscent); 1008a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com my->fAscent = SkIntToScalar(-fTM.tmAscent); 10090abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fDescent = SkIntToScalar(fTM.tmDescent); 1010a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com my->fBottom = SkIntToScalar(fTM.tmDescent); 101160af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com my->fLeading = SkIntToScalar(fTM.tmExternalLeading); 101260af92cb6de814b14ee5d40b71bfbd79227597ecreed@google.com my->fAvgCharWidth = SkIntToScalar(fTM.tmAveCharWidth); 1013e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com my->fMaxCharWidth = SkIntToScalar(fTM.tmMaxCharWidth); 1014e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com my->fXMin = 0; 1015e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com my->fXMax = my->fMaxCharWidth; 1016e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com //my->fXHeight = 0; 1017a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 1018e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com#ifndef SK_GDI_ALWAYS_USE_TEXTMETRICS_FOR_FONT_METRICS 1019a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com return; 1020a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com } 1021e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com#endif 1022a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com 1023ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com OUTLINETEXTMETRIC otm; 1024ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1025ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint32_t ret = GetOutlineTextMetrics(fDDC, sizeof(otm), &otm); 10260abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (0 == ret) { 1027055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com LogFontTypeface::EnsureAccessible(this->getTypeface()); 102839698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com ret = GetOutlineTextMetrics(fDDC, sizeof(otm), &otm); 102939698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com } 10300abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (0 == ret) { 1031a0319f6d071bb8298e56ace043ea6c623fb358f7bungeman@google.com return; 1032ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1033ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1034ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (mx) { 10350abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com mx->fTop = SkIntToScalar(-otm.otmrcFontBox.left); 10360abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com mx->fAscent = SkIntToScalar(-otm.otmAscent); 10370abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com mx->fDescent = SkIntToScalar(-otm.otmDescent); 10380abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com mx->fBottom = SkIntToScalar(otm.otmrcFontBox.right); 10390abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com mx->fLeading = SkIntToScalar(otm.otmLineGap); 10400bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org mx->fUnderlineThickness = SkIntToScalar(otm.otmsUnderscoreSize); 10410bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org mx->fUnderlinePosition = -SkIntToScalar(otm.otmsUnderscorePosition); 10420bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org 10430bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org mx->fFlags |= SkPaint::FontMetrics::kUnderlineThinknessIsValid_Flag; 10440bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org mx->fFlags |= SkPaint::FontMetrics::kUnderlinePositionIsValid_Flag; 1045ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1046ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1047ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (my) { 1048e9d831957602e3fa46fc4b609ae6d2da46654915bungeman@google.com#ifndef SK_GDI_ALWAYS_USE_TEXTMETRICS_FOR_FONT_METRICS 10490abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fTop = SkIntToScalar(-otm.otmrcFontBox.top); 10500abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fAscent = SkIntToScalar(-otm.otmAscent); 10510abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fDescent = SkIntToScalar(-otm.otmDescent); 10520abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fBottom = SkIntToScalar(-otm.otmrcFontBox.bottom); 10530abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fLeading = SkIntToScalar(otm.otmLineGap); 10540abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fAvgCharWidth = SkIntToScalar(otm.otmTextMetrics.tmAveCharWidth); 10550abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fMaxCharWidth = SkIntToScalar(otm.otmTextMetrics.tmMaxCharWidth); 10560abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fXMin = SkIntToScalar(otm.otmrcFontBox.left); 10570abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fXMax = SkIntToScalar(otm.otmrcFontBox.right); 1058d3031aa5ae90b796593a04c0da062024198e4769commit-bot@chromium.org#endif 10590bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org my->fUnderlineThickness = SkIntToScalar(otm.otmsUnderscoreSize); 10600bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org my->fUnderlinePosition = -SkIntToScalar(otm.otmsUnderscorePosition); 10610bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org 10620bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org my->fFlags |= SkPaint::FontMetrics::kUnderlineThinknessIsValid_Flag; 10630bc406df48ac6f358ab8dcff08f71fe9c32b79decommit-bot@chromium.org my->fFlags |= SkPaint::FontMetrics::kUnderlinePositionIsValid_Flag; 10644a867a6356e05a09186a16c1c8ffc3f2cafbbe59bungeman@google.com 10650abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fXHeight = SkIntToScalar(otm.otmsXHeight); 10660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 10670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GLYPHMETRICS gm; 10680abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com sk_bzero(&gm, sizeof(gm)); 10690abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com DWORD len = GetGlyphOutlineW(fDDC, 'x', GGO_METRICS, &gm, 0, 0, &gMat2Identity); 10700abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (len != GDI_ERROR && gm.gmBlackBoxY > 0) { 10710abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com my->fXHeight = SkIntToScalar(gm.gmBlackBoxY); 10720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 1073ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1074ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1075ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 10767430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com//////////////////////////////////////////////////////////////////////////////////////// 10777430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com 10780abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#define SK_SHOW_TEXT_BLIT_COVERAGE 0 10790abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 10807430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.comstatic void build_power_table(uint8_t table[], float ee) { 10817430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com for (int i = 0; i < 256; i++) { 10827430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com float x = i / 255.f; 108397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com x = sk_float_pow(x, ee); 1084e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int xx = SkScalarRoundToInt(x * 255); 10857430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com table[i] = SkToU8(xx); 10867430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com } 10877430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com} 10887430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com 108997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com/** 109097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * This will invert the gamma applied by GDI (gray-scale antialiased), so we 109197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * can get linear values. 109297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * 109397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * GDI grayscale appears to use a hard-coded gamma of 2.3. 109497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * 109597efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * GDI grayscale appears to draw using the black and white rasterizer at four 109697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * times the size and then downsamples to compute the coverage mask. As a 109797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * result there are only seventeen total grays. This lack of fidelity means 109897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * that shifting into other color spaces is imprecise. 109997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com */ 110097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic const uint8_t* getInverseGammaTableGDI() { 110105a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Since build_power_table is idempotent, many threads can build gTableGdi 110205a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // simultaneously. 110305a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com 110405a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Microsoft Specific: 110505a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Making gInited volatile provides read-aquire and write-release in vc++. 110605a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // In VS2012, see compiler option /volatile:(ms|iso). 110705a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Replace with C++11 atomics when possible. 110805a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com static volatile bool gInited; 110997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com static uint8_t gTableGdi[256]; 111005a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com if (gInited) { 111105a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Need a L/L (read) barrier (full acquire not needed). If gInited is observed 111205a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // true then gTableGdi is observable, but it must be requested. 111305a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com } else { 111497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com build_power_table(gTableGdi, 2.3f); 111505a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Need a S/S (write) barrier (full release not needed) here so that this 111605a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // write to gInited becomes observable after gTableGdi. 111797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com gInited = true; 111897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } 111997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com return gTableGdi; 112097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com} 112197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com 112297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com/** 112397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * This will invert the gamma applied by GDI ClearType, so we can get linear 112497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * values. 112597efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * 112697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * GDI ClearType uses SPI_GETFONTSMOOTHINGCONTRAST / 1000 as the gamma value. 112797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com * If this value is not specified, the default is a gamma of 1.4. 112897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com */ 112997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic const uint8_t* getInverseGammaTableClearType() { 113005a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // We don't expect SPI_GETFONTSMOOTHINGCONTRAST to ever change, so building 113105a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // gTableClearType with build_power_table is effectively idempotent. 113205a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com 113305a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Microsoft Specific: 113405a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Making gInited volatile provides read-aquire and write-release in vc++. 113505a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // In VS2012, see compiler option /volatile:(ms|iso). 113605a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Replace with C++11 atomics when possible. 113705a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com static volatile bool gInited; 113897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com static uint8_t gTableClearType[256]; 113905a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com if (gInited) { 114005a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Need a L/L (read) barrier (acquire not needed). If gInited is observed 114105a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // true then gTableClearType is observable, but it must be requested. 114205a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com } else { 11437430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com UINT level = 0; 11447430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com if (!SystemParametersInfo(SPI_GETFONTSMOOTHINGCONTRAST, 0, &level, 0) || !level) { 11457430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com // can't get the data, so use a default 11467430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com level = 1400; 11477430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com } 114897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com build_power_table(gTableClearType, level / 1000.0f); 114905a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // Need a S/S (write) barrier (release not needed) here so that this 115005a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com // write to gInited becomes observable after gTableClearType. 11517430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com gInited = true; 11527430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com } 115397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com return gTableClearType; 11547430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com} 11557430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com 1156ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkColorPriv.h" 1157ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 11586385314686875ecb484d95b33fcbf08890b5144dbungeman@google.com//Cannot assume that the input rgb is gray due to possible setting of kGenA8FromLCD_Flag. 115997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comtemplate<bool APPLY_PREBLEND> 116097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic inline uint8_t rgb_to_a8(SkGdiRGB rgb, const uint8_t* table8) { 11616385314686875ecb484d95b33fcbf08890b5144dbungeman@google.com U8CPU r = (rgb >> 16) & 0xFF; 11626385314686875ecb484d95b33fcbf08890b5144dbungeman@google.com U8CPU g = (rgb >> 8) & 0xFF; 11636385314686875ecb484d95b33fcbf08890b5144dbungeman@google.com U8CPU b = (rgb >> 0) & 0xFF; 11641bfe01d06b896eca94c80d9af9a6bb30216b5e42bungeman@google.com return sk_apply_lut_if<APPLY_PREBLEND>(SkComputeLuminance(r, g, b), table8); 116582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com} 116682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 116797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comtemplate<bool APPLY_PREBLEND> 116897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic inline uint16_t rgb_to_lcd16(SkGdiRGB rgb, const uint8_t* tableR, 116997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const uint8_t* tableG, 117097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const uint8_t* tableB) { 117197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com U8CPU r = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 16) & 0xFF, tableR); 117297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com U8CPU g = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 8) & 0xFF, tableG); 117397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com U8CPU b = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 0) & 0xFF, tableB); 11740abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#if SK_SHOW_TEXT_BLIT_COVERAGE 11750abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com r = SkMax32(r, 10); g = SkMax32(g, 10); b = SkMax32(b, 10); 11760abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#endif 117797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com return SkPack888ToRGB16(r, g, b); 1178ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1179ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 118097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comtemplate<bool APPLY_PREBLEND> 118197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic inline SkPMColor rgb_to_lcd32(SkGdiRGB rgb, const uint8_t* tableR, 118297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const uint8_t* tableG, 118397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const uint8_t* tableB) { 118497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com U8CPU r = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 16) & 0xFF, tableR); 118597efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com U8CPU g = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 8) & 0xFF, tableG); 118697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com U8CPU b = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 0) & 0xFF, tableB); 11870abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#if SK_SHOW_TEXT_BLIT_COVERAGE 11880abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com r = SkMax32(r, 10); g = SkMax32(g, 10); b = SkMax32(b, 10); 11890abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#endif 119097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com return SkPackARGB32(0xFF, r, g, b); 1191754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com} 1192754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com 119382cff020b7e055f2d01686f060a884df842306edreed@google.com// Is this GDI color neither black nor white? If so, we have to keep this 119482cff020b7e055f2d01686f060a884df842306edreed@google.com// image as is, rather than smashing it down to a BW mask. 119582cff020b7e055f2d01686f060a884df842306edreed@google.com// 119682cff020b7e055f2d01686f060a884df842306edreed@google.com// returns int instead of bool, since we don't want/have to pay to convert 119782cff020b7e055f2d01686f060a884df842306edreed@google.com// the zero/non-zero value into a bool 119882cff020b7e055f2d01686f060a884df842306edreed@google.comstatic int is_not_black_or_white(SkGdiRGB c) { 119982cff020b7e055f2d01686f060a884df842306edreed@google.com // same as (but faster than) 120082cff020b7e055f2d01686f060a884df842306edreed@google.com // c &= 0x00FFFFFF; 120182cff020b7e055f2d01686f060a884df842306edreed@google.com // return 0 == c || 0x00FFFFFF == c; 120282cff020b7e055f2d01686f060a884df842306edreed@google.com return (c + (c & 1)) & 0x00FFFFFF; 12035e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com} 12045e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 12054b18f5767ab1df7fedf0ff2e3a9eac7f7c500c36bungeman@google.comstatic bool is_rgb_really_bw(const SkGdiRGB* src, int width, int height, size_t srcRB) { 12065e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int y = 0; y < height; ++y) { 12075e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int x = 0; x < width; ++x) { 120882cff020b7e055f2d01686f060a884df842306edreed@google.com if (is_not_black_or_white(src[x])) { 12095e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com return false; 12105e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12115e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 121205a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com src = SkTAddOffset<const SkGdiRGB>(src, srcRB); 12135e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12145e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com return true; 12155e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com} 12165e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 121797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com// gdi's bitmap is upside-down, so we reverse dst walking in Y 121897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com// whenever we copy it into skia's buffer 12195e2df64215f12660ab26b96816f40ad8e32bf16freed@google.comstatic void rgb_to_bw(const SkGdiRGB* SK_RESTRICT src, size_t srcRB, 122097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const SkGlyph& glyph) { 12215e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const int width = glyph.fWidth; 12225e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const size_t dstRB = (width + 7) >> 3; 12235e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com uint8_t* SK_RESTRICT dst = (uint8_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 12245e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 12255e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com int byteCount = width >> 3; 12265e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com int bitCount = width & 7; 12275e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 12285e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com // adjust srcRB to skip the values in our byteCount loop, 12295e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com // since we increment src locally there 12305e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com srcRB -= byteCount * 8 * sizeof(SkGdiRGB); 12315e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 12325e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int y = 0; y < glyph.fHeight; ++y) { 12335e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com if (byteCount > 0) { 12345e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int i = 0; i < byteCount; ++i) { 12357a230142e01c5a8cf955be12a5f287589b551634reed@google.com unsigned byte = 0; 123697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[0] & (1 << 7); 123797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[1] & (1 << 6); 123897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[2] & (1 << 5); 123997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[3] & (1 << 4); 124097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[4] & (1 << 3); 124197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[5] & (1 << 2); 124297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[6] & (1 << 1); 124397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[7] & (1 << 0); 12446a8f14d9633b330fb8051581828a0aaf4403d1a9reed@google.com dst[i] = byte; 12455e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com src += 8; 12465e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12475e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12485e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com if (bitCount > 0) { 12495e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com unsigned byte = 0; 12505e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com unsigned mask = 0x80; 12515e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int i = 0; i < bitCount; i++) { 125297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com byte |= src[i] & mask; 12535e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com mask >>= 1; 12545e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12555e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com dst[byteCount] = byte; 12565e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 125705a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com src = SkTAddOffset<const SkGdiRGB>(src, srcRB); 12585e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com dst -= dstRB; 12595e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12600abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#if SK_SHOW_TEXT_BLIT_COVERAGE 12610abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (glyph.fWidth > 0 && glyph.fHeight > 0) { 12620abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com uint8_t* first = (uint8_t*)glyph.fImage; 12630abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com uint8_t* last = (uint8_t*)((char*)glyph.fImage + glyph.fHeight * dstRB - 1); 12640abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com *first |= 1 << 7; 12650abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com *last |= bitCount == 0 ? 1 : 1 << (8 - bitCount); 12660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 12670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#endif 12685e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com} 12695e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 127097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comtemplate<bool APPLY_PREBLEND> 12715e2df64215f12660ab26b96816f40ad8e32bf16freed@google.comstatic void rgb_to_a8(const SkGdiRGB* SK_RESTRICT src, size_t srcRB, 127297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const SkGlyph& glyph, const uint8_t* table8) { 12735e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const size_t dstRB = glyph.rowBytes(); 12745e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const int width = glyph.fWidth; 12755e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com uint8_t* SK_RESTRICT dst = (uint8_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 12765e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 12775e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int y = 0; y < glyph.fHeight; y++) { 12785e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int i = 0; i < width; i++) { 127997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com dst[i] = rgb_to_a8<APPLY_PREBLEND>(src[i], table8); 12800abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#if SK_SHOW_TEXT_BLIT_COVERAGE 12810abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com dst[i] = SkMax32(dst[i], 10); 12820abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#endif 12835e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 128405a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com src = SkTAddOffset<const SkGdiRGB>(src, srcRB); 12855e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com dst -= dstRB; 12865e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 12875e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com} 12885e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 128997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comtemplate<bool APPLY_PREBLEND> 129097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic void rgb_to_lcd16(const SkGdiRGB* SK_RESTRICT src, size_t srcRB, const SkGlyph& glyph, 129197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const uint8_t* tableR, const uint8_t* tableG, const uint8_t* tableB) { 12925e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const size_t dstRB = glyph.rowBytes(); 12935e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const int width = glyph.fWidth; 12945e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com uint16_t* SK_RESTRICT dst = (uint16_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 12955e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 12965e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int y = 0; y < glyph.fHeight; y++) { 12975e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com for (int i = 0; i < width; i++) { 129897efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com dst[i] = rgb_to_lcd16<APPLY_PREBLEND>(src[i], tableR, tableG, tableB); 12995e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 130005a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com src = SkTAddOffset<const SkGdiRGB>(src, srcRB); 13015e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com dst = (uint16_t*)((char*)dst - dstRB); 13025e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } 13035e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com} 13045e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com 130597efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comtemplate<bool APPLY_PREBLEND> 130697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.comstatic void rgb_to_lcd32(const SkGdiRGB* SK_RESTRICT src, size_t srcRB, const SkGlyph& glyph, 130797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const uint8_t* tableR, const uint8_t* tableG, const uint8_t* tableB) { 1308754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com const size_t dstRB = glyph.rowBytes(); 1309754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com const int width = glyph.fWidth; 131097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com uint32_t* SK_RESTRICT dst = (uint32_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 1311754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com 1312754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com for (int y = 0; y < glyph.fHeight; y++) { 1313754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com for (int i = 0; i < width; i++) { 131497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com dst[i] = rgb_to_lcd32<APPLY_PREBLEND>(src[i], tableR, tableG, tableB); 1315754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com } 131605a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com src = SkTAddOffset<const SkGdiRGB>(src, srcRB); 131797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com dst = (uint32_t*)((char*)dst - dstRB); 1318754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com } 1319754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com} 1320754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com 13216f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.comstatic inline unsigned clamp255(unsigned x) { 13226f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com SkASSERT(x <= 256); 13236f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com return x - (x >> 8); 13246f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com} 13256f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com 132630ddd615c447fed73286151b463af20d309c85f1reed@google.comvoid SkScalerContext_GDI::generateImage(const SkGlyph& glyph) { 1327ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 1328ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 13296271117d826098c1399cf7442f8eea2d665cb78areed@google.com const bool isBW = SkMask::kBW_Format == fRec.fMaskFormat; 133082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com const bool isAA = !isLCD(fRec); 133182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 133299edd43813b7f1a8f02146cbd8c783d3c82be4abreed@google.com size_t srcRB; 133397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com const void* bits = fOffscreen.draw(glyph, isBW, &srcRB); 133439698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com if (NULL == bits) { 1335055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com LogFontTypeface::EnsureAccessible(this->getTypeface()); 133697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com bits = fOffscreen.draw(glyph, isBW, &srcRB); 133739698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com if (NULL == bits) { 133839698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com sk_bzero(glyph.fImage, glyph.computeImageSize()); 133939698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com return; 134039698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com } 134182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } 134282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 134397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com if (!isBW) { 13441bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com const uint8_t* table; 13451bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com //The offscreen contains a GDI blit if isAA and kGenA8FromLCD_Flag is not set. 13461bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com //Otherwise the offscreen contains a ClearType blit. 13471bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com if (isAA && !(fRec.fFlags & SkScalerContext::kGenA8FromLCD_Flag)) { 13481bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com table = getInverseGammaTableGDI(); 13491bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com } else { 13501bd2d67702a5c14011f02e23b3724965f82c4780bungeman@google.com table = getInverseGammaTableClearType(); 135197efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } 135297efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com //Note that the following cannot really be integrated into the 135397efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com //pre-blend, since we may not be applying the pre-blend; when we aren't 135497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com //applying the pre-blend it means that a filter wants linear anyway. 135597efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com //Other code may also be applying the pre-blend, so we'd need another 135697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com //one with this and one without. 13576f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com SkGdiRGB* addr = (SkGdiRGB*)bits; 13586f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com for (int y = 0; y < glyph.fHeight; ++y) { 13596f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com for (int x = 0; x < glyph.fWidth; ++x) { 13606f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com int r = (addr[x] >> 16) & 0xFF; 13616f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com int g = (addr[x] >> 8) & 0xFF; 13626f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com int b = (addr[x] >> 0) & 0xFF; 13637430a3376c0f4e0c2809fedecd12765034f9e3a8reed@google.com addr[x] = (table[r] << 16) | (table[g] << 8) | table[b]; 13646f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com } 136505a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com addr = SkTAddOffset<SkGdiRGB>(addr, srcRB); 13666f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com } 13676f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com } 13686f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com 136982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com int width = glyph.fWidth; 137082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com size_t dstRB = glyph.rowBytes(); 137182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com if (isBW) { 137282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com const uint8_t* src = (const uint8_t*)bits; 137382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com uint8_t* dst = (uint8_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 137482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com for (int y = 0; y < glyph.fHeight; y++) { 137582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com memcpy(dst, src, dstRB); 137682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com src += srcRB; 137782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com dst -= dstRB; 1378ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 13790abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#if SK_SHOW_TEXT_BLIT_COVERAGE 13800abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (glyph.fWidth > 0 && glyph.fHeight > 0) { 13810abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com int bitCount = width & 7; 13820abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com uint8_t* first = (uint8_t*)glyph.fImage; 13830abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com uint8_t* last = (uint8_t*)((char*)glyph.fImage + glyph.fHeight * dstRB - 1); 13840abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com *first |= 1 << 7; 13850abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com *last |= bitCount == 0 ? 1 : 1 << (8 - bitCount); 13860abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 13870abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com#endif 138882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } else if (isAA) { 13896f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com // since the caller may require A8 for maskfilters, we can't check for BW 13906f5df48c1d07295b75c1955a69142fb5e66b8647reed@google.com // ... until we have the caller tell us that explicitly 13915e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const SkGdiRGB* src = (const SkGdiRGB*)bits; 1392a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com if (fPreBlend.isApplicable()) { 1393a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com rgb_to_a8<true>(src, srcRB, glyph, fPreBlend.fG); 139497efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } else { 1395a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com rgb_to_a8<false>(src, srcRB, glyph, fPreBlend.fG); 139697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } 139782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } else { // LCD16 13985e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com const SkGdiRGB* src = (const SkGdiRGB*)bits; 13995e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com if (is_rgb_really_bw(src, width, glyph.fHeight, srcRB)) { 140097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com rgb_to_bw(src, srcRB, glyph); 14015e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com ((SkGlyph*)&glyph)->fMaskFormat = SkMask::kBW_Format; 14025e2df64215f12660ab26b96816f40ad8e32bf16freed@google.com } else { 1403754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com if (SkMask::kLCD16_Format == glyph.fMaskFormat) { 1404a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com if (fPreBlend.isApplicable()) { 1405a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com rgb_to_lcd16<true>(src, srcRB, glyph, 1406a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com fPreBlend.fR, fPreBlend.fG, fPreBlend.fB); 140797efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } else { 1408a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com rgb_to_lcd16<false>(src, srcRB, glyph, 1409a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com fPreBlend.fR, fPreBlend.fG, fPreBlend.fB); 141097efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } 1411754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com } else { 1412754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com SkASSERT(SkMask::kLCD32_Format == glyph.fMaskFormat); 1413a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com if (fPreBlend.isApplicable()) { 1414a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com rgb_to_lcd32<true>(src, srcRB, glyph, 1415a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com fPreBlend.fR, fPreBlend.fG, fPreBlend.fB); 141697efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } else { 1417a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com rgb_to_lcd32<false>(src, srcRB, glyph, 1418a76de72a6036da0a6b051b14411b80941971f881bungeman@google.com fPreBlend.fR, fPreBlend.fG, fPreBlend.fB); 141997efada074e4806479f1350ab1508939c2fdcb53bungeman@google.com } 1420754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com } 1421ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1422ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1423ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1424ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 14250abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.comclass GDIGlyphbufferPointIter { 14260abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.compublic: 142727e21fe577211c1c40cbf40d0385b02c69d04522skia.committer@gmail.com GDIGlyphbufferPointIter(const uint8_t* glyphbuf, DWORD total_size) 14280abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com : fHeaderIter(glyphbuf, total_size), fCurveIter(), fPointIter() 14290abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com { } 14300abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 1431dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com POINTFX const * next() { 14320abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.comnextHeader: 14330abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (!fCurveIter.isSet()) { 14340abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYGONHEADER* header = fHeaderIter.next(); 1435dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com if (NULL == header) { 1436dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com return NULL; 1437dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com } 14380abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurveIter.set(header); 14390abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* curve = fCurveIter.next(); 1440dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com if (NULL == curve) { 1441dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com return NULL; 1442dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com } 14430abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fPointIter.set(curve); 1444dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com return &header->pfxStart; 14450abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 1446ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 14470abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const POINTFX* nextPoint = fPointIter.next(); 14480abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (NULL == nextPoint) { 14490abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* curve = fCurveIter.next(); 14500abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (NULL == curve) { 14510abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurveIter.set(); 14520abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com goto nextHeader; 14530abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } else { 14540abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fPointIter.set(curve); 14550abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 14560abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com nextPoint = fPointIter.next(); 14570abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 1458dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com return nextPoint; 14590abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 1460ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 14610abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com WORD currentCurveType() { 14620abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return fPointIter.fCurveType; 14630abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 146405a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com 14650abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.comprivate: 14660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com /** Iterates over all of the polygon headers in a glyphbuf. */ 14670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com class GDIPolygonHeaderIter { 14680abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com public: 146927e21fe577211c1c40cbf40d0385b02c69d04522skia.committer@gmail.com GDIPolygonHeaderIter(const uint8_t* glyphbuf, DWORD total_size) 14700abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com : fCurPolygon(reinterpret_cast<const TTPOLYGONHEADER*>(glyphbuf)) 14710abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com , fEndPolygon(SkTAddOffset<const TTPOLYGONHEADER>(glyphbuf, total_size)) 14720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com { } 14730abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 14740abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYGONHEADER* next() { 14750abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (fCurPolygon >= fEndPolygon) { 14760abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return NULL; 14770abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 14780abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYGONHEADER* thisPolygon = fCurPolygon; 14790abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurPolygon = SkTAddOffset<const TTPOLYGONHEADER>(fCurPolygon, fCurPolygon->cb); 14800abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return thisPolygon; 14810abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 14820abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com private: 14830abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYGONHEADER* fCurPolygon; 14840abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYGONHEADER* fEndPolygon; 14850abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com }; 148605a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com 14870abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com /** Iterates over all of the polygon curves in a polygon header. */ 14880abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com class GDIPolygonCurveIter { 14890abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com public: 14900abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonCurveIter() : fCurCurve(NULL), fEndCurve(NULL) { } 14910abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 14920abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonCurveIter(const TTPOLYGONHEADER* curPolygon) 14930abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com : fCurCurve(SkTAddOffset<const TTPOLYCURVE>(curPolygon, sizeof(TTPOLYGONHEADER))) 14940abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com , fEndCurve(SkTAddOffset<const TTPOLYCURVE>(curPolygon, curPolygon->cb)) 14950abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com { } 14960abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 14970abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com bool isSet() { return fCurCurve != NULL; } 14980abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 14990abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com void set(const TTPOLYGONHEADER* curPolygon) { 15000abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurCurve = SkTAddOffset<const TTPOLYCURVE>(curPolygon, sizeof(TTPOLYGONHEADER)); 15010abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fEndCurve = SkTAddOffset<const TTPOLYCURVE>(curPolygon, curPolygon->cb); 15020abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 15030abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com void set() { 15040abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurCurve = NULL; 15050abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fEndCurve = NULL; 15060abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 15070abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 15080abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* next() { 15090abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (fCurCurve >= fEndCurve) { 15100abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return NULL; 151105a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com } 15120abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* thisCurve = fCurCurve; 15130abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurCurve = SkTAddOffset<const TTPOLYCURVE>(fCurCurve, size_of_TTPOLYCURVE(*fCurCurve)); 15140abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return thisCurve; 15150abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 15160abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com private: 15170abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com size_t size_of_TTPOLYCURVE(const TTPOLYCURVE& curve) { 15180abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return 2*sizeof(WORD) + curve.cpfx*sizeof(POINTFX); 151905a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com } 15200abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* fCurCurve; 15210abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* fEndCurve; 15220abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com }; 152305a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com 15240abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com /** Iterates over all of the polygon points in a polygon curve. */ 15250abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com class GDIPolygonCurvePointIter { 15260abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com public: 15270abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonCurvePointIter() : fCurveType(0), fCurPoint(NULL), fEndPoint(NULL) { } 152805a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com 15290abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonCurvePointIter(const TTPOLYCURVE* curPolygon) 15300abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com : fCurveType(curPolygon->wType) 15310abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com , fCurPoint(&curPolygon->apfx[0]) 15320abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com , fEndPoint(&curPolygon->apfx[curPolygon->cpfx]) 15330abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com { } 15340abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 15350abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com bool isSet() { return fCurPoint != NULL; } 15360abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 15370abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com void set(const TTPOLYCURVE* curPolygon) { 15380abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurveType = curPolygon->wType; 15390abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurPoint = &curPolygon->apfx[0]; 15400abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fEndPoint = &curPolygon->apfx[curPolygon->cpfx]; 15410abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 15420abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com void set() { 15430abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fCurPoint = NULL; 15440abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com fEndPoint = NULL; 15450abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 15460abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 15470abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const POINTFX* next() { 15480abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (fCurPoint >= fEndPoint) { 15490abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return NULL; 155005a729ff90f75ac013873742ee0e4ae7e5e6e415bungeman@google.com } 15510abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const POINTFX* thisPoint = fCurPoint; 15520abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com ++fCurPoint; 15530abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return thisPoint; 1554d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com } 1555ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 15560abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com WORD fCurveType; 15570abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com private: 15580abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const POINTFX* fCurPoint; 15590abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const POINTFX* fEndPoint; 15600abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com }; 15610abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 15620abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonHeaderIter fHeaderIter; 15630abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonCurveIter fCurveIter; 15640abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIPolygonCurvePointIter fPointIter; 15650abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com}; 15660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 15670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.comstatic void sk_path_from_gdi_path(SkPath* path, const uint8_t* glyphbuf, DWORD total_size) { 1568d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com const uint8_t* cur_glyph = glyphbuf; 1569d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com const uint8_t* end_glyph = glyphbuf + total_size; 1570ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1571d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com while (cur_glyph < end_glyph) { 1572d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com const TTPOLYGONHEADER* th = (TTPOLYGONHEADER*)cur_glyph; 1573ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1574d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com const uint8_t* end_poly = cur_glyph + th->cb; 1575d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com const uint8_t* cur_poly = cur_glyph + sizeof(TTPOLYGONHEADER); 1576ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1577d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com path->moveTo(SkFixedToScalar( SkFIXEDToFixed(th->pfxStart.x)), 1578d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(th->pfxStart.y))); 1579ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1580d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com while (cur_poly < end_poly) { 1581d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com const TTPOLYCURVE* pc = (const TTPOLYCURVE*)cur_poly; 1582ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1583d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (pc->wType == TT_PRIM_LINE) { 1584d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com for (uint16_t i = 0; i < pc->cpfx; i++) { 1585d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com path->lineTo(SkFixedToScalar( SkFIXEDToFixed(pc->apfx[i].x)), 1586d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(pc->apfx[i].y))); 1587ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1588d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com } 1589ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1590d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (pc->wType == TT_PRIM_QSPLINE) { 1591d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com for (uint16_t u = 0; u < pc->cpfx - 1; u++) { // Walk through points in spline 1592d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com POINTFX pnt_b = pc->apfx[u]; // B is always the current point 1593d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com POINTFX pnt_c = pc->apfx[u+1]; 1594ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1595d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com if (u < pc->cpfx - 2) { // If not on last spline, compute C 1596d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com pnt_c.x = SkFixedToFIXED(SkFixedAve(SkFIXEDToFixed(pnt_b.x), 1597d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFIXEDToFixed(pnt_c.x))); 1598d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com pnt_c.y = SkFixedToFIXED(SkFixedAve(SkFIXEDToFixed(pnt_b.y), 1599d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFIXEDToFixed(pnt_c.y))); 1600ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1601d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com 1602d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com path->quadTo(SkFixedToScalar( SkFIXEDToFixed(pnt_b.x)), 1603d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(pnt_b.y)), 1604d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFixedToScalar( SkFIXEDToFixed(pnt_c.x)), 1605d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(pnt_c.y))); 1606ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1607ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1608d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com // Advance past this TTPOLYCURVE. 1609d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com cur_poly += sizeof(WORD) * 2 + sizeof(POINTFX) * pc->cpfx; 1610ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1611d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com cur_glyph += th->cb; 1612d1c7f71ee371738a8c7896a4f06d28b32e3c713ebungeman@google.com path->close(); 1613ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1614ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1615ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1616dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com#define move_next_expected_hinted_point(iter, pElem) do {\ 1617dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com pElem = iter.next(); \ 1618dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com if (NULL == pElem) return false; \ 1619dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com} while(0) 1620dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com 1621dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com// It is possible for the hinted and unhinted versions of the same path to have 1622dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com// a different number of points due to GDI's handling of flipped points. 1623dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com// If this is detected, this will return false. 1624dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.comstatic bool sk_path_from_gdi_paths(SkPath* path, const uint8_t* glyphbuf, DWORD total_size, 16250abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GDIGlyphbufferPointIter hintedYs) { 16260abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const uint8_t* cur_glyph = glyphbuf; 16270abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const uint8_t* end_glyph = glyphbuf + total_size; 16280abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 1629dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com POINTFX const * hintedPoint; 1630dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com 16310abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com while (cur_glyph < end_glyph) { 16320abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYGONHEADER* th = (TTPOLYGONHEADER*)cur_glyph; 16330abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16340abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const uint8_t* end_poly = cur_glyph + th->cb; 16350abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const uint8_t* cur_poly = cur_glyph + sizeof(TTPOLYGONHEADER); 16360abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 1637dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com move_next_expected_hinted_point(hintedYs, hintedPoint); 16380abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com path->moveTo(SkFixedToScalar( SkFIXEDToFixed(th->pfxStart.x)), 1639dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(hintedPoint->y))); 16400abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16410abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com while (cur_poly < end_poly) { 16420abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com const TTPOLYCURVE* pc = (const TTPOLYCURVE*)cur_poly; 16430abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16440abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (pc->wType == TT_PRIM_LINE) { 16450abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com for (uint16_t i = 0; i < pc->cpfx; i++) { 1646dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com move_next_expected_hinted_point(hintedYs, hintedPoint); 16470abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com path->lineTo(SkFixedToScalar( SkFIXEDToFixed(pc->apfx[i].x)), 1648dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(hintedPoint->y))); 16490abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16500abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16510abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16520abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (pc->wType == TT_PRIM_QSPLINE) { 16530abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com POINTFX currentPoint = pc->apfx[0]; 1654dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com move_next_expected_hinted_point(hintedYs, hintedPoint); 16550abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // only take the hinted y if it wasn't flipped 16560abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (hintedYs.currentCurveType() == TT_PRIM_QSPLINE) { 1657dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com currentPoint.y = hintedPoint->y; 16580abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16590abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com for (uint16_t u = 0; u < pc->cpfx - 1; u++) { // Walk through points in spline 16600abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com POINTFX pnt_b = currentPoint;//pc->apfx[u]; // B is always the current point 16610abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com POINTFX pnt_c = pc->apfx[u+1]; 1662dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com move_next_expected_hinted_point(hintedYs, hintedPoint); 16630abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // only take the hinted y if it wasn't flipped 16640abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (hintedYs.currentCurveType() == TT_PRIM_QSPLINE) { 1665dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com pnt_c.y = hintedPoint->y; 16660abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16670abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com currentPoint.x = pnt_c.x; 16680abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com currentPoint.y = pnt_c.y; 16690abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16700abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (u < pc->cpfx - 2) { // If not on last spline, compute C 16710abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com pnt_c.x = SkFixedToFIXED(SkFixedAve(SkFIXEDToFixed(pnt_b.x), 16720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkFIXEDToFixed(pnt_c.x))); 16730abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com pnt_c.y = SkFixedToFIXED(SkFixedAve(SkFIXEDToFixed(pnt_b.y), 16740abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkFIXEDToFixed(pnt_c.y))); 16750abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16760abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16770abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com path->quadTo(SkFixedToScalar( SkFIXEDToFixed(pnt_b.x)), 16780abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(pnt_b.y)), 16790abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkFixedToScalar( SkFIXEDToFixed(pnt_c.x)), 16800abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkFixedToScalar(-SkFIXEDToFixed(pnt_c.y))); 16810abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16820abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16830abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // Advance past this TTPOLYCURVE. 16840abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com cur_poly += sizeof(WORD) * 2 + sizeof(POINTFX) * pc->cpfx; 16850abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 16860abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com cur_glyph += th->cb; 16870abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com path->close(); 16880abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 1689dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com return true; 16900abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com} 16910abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 169230ddd615c447fed73286151b463af20d309c85f1reed@google.comDWORD SkScalerContext_GDI::getGDIGlyphPath(const SkGlyph& glyph, UINT flags, 16930abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkAutoSTMalloc<BUFFERSIZE, uint8_t>* glyphbuf) 16940abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com{ 16950abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com GLYPHMETRICS gm; 16960abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 16970abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com DWORD total_size = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, BUFFERSIZE, glyphbuf->get(), &fMat22); 16980abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // Sometimes GetGlyphOutlineW returns a number larger than BUFFERSIZE even if BUFFERSIZE > 0. 16990abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // It has been verified that this does not involve a buffer overrun. 17000abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (GDI_ERROR == total_size || total_size > BUFFERSIZE) { 17010abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // GDI_ERROR because the BUFFERSIZE was too small, or because the data was not accessible. 17020abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // When the data is not accessable GetGlyphOutlineW fails rather quickly, 17030abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // so just try to get the size. If that fails then ensure the data is accessible. 17040abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com total_size = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, 0, NULL, &fMat22); 17050abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (GDI_ERROR == total_size) { 17060abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com LogFontTypeface::EnsureAccessible(this->getTypeface()); 17070abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com total_size = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, 0, NULL, &fMat22); 17080abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (GDI_ERROR == total_size) { 17090abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkASSERT(false); 17100abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return 0; 17110abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17120abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17130abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17140abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com glyphbuf->reset(total_size); 17150abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17160abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com DWORD ret = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, total_size, glyphbuf->get(), &fMat22); 17170abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (GDI_ERROR == ret) { 17180abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com LogFontTypeface::EnsureAccessible(this->getTypeface()); 17190abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com ret = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, total_size, glyphbuf->get(), &fMat22); 17200abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (GDI_ERROR == ret) { 17210abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkASSERT(false); 17220abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return 0; 17230abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17240abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17250abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17260abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return total_size; 17270abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com} 17280abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 172930ddd615c447fed73286151b463af20d309c85f1reed@google.comvoid SkScalerContext_GDI::generatePath(const SkGlyph& glyph, SkPath* path) { 17300abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkASSERT(&glyph && path); 17310abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkASSERT(fDDC); 17320abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17330abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com path->reset(); 17340abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17350abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // Out of all the fonts on a typical Windows box, 17360abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // 25% of glyphs require more than 2KB. 17370abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // 1% of glyphs require more than 4KB. 17380abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // 0.01% of glyphs require more than 8KB. 17390abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // 8KB is less than 1% of the normal 1MB stack on Windows. 17400abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // Note that some web fonts glyphs require more than 20KB. 17410abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com //static const DWORD BUFFERSIZE = (1 << 13); 17420abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17430abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com //GDI only uses hinted outlines when axis aligned. 17440abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com UINT format = GGO_NATIVE | GGO_GLYPH_INDEX; 17450abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (fRec.getHinting() == SkPaint::kNo_Hinting || fRec.getHinting() == SkPaint::kSlight_Hinting){ 17460abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com format |= GGO_UNHINTED; 17470abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17480abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkAutoSTMalloc<BUFFERSIZE, uint8_t> glyphbuf(BUFFERSIZE); 17490abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com DWORD total_size = getGDIGlyphPath(glyph, format, &glyphbuf); 17500abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (0 == total_size) { 17510abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return; 17520abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17530abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17540abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (fRec.getHinting() != SkPaint::kSlight_Hinting) { 17550abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com sk_path_from_gdi_path(path, glyphbuf, total_size); 17560abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } else { 17570abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com //GDI only uses hinted outlines when axis aligned. 17580abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com UINT format = GGO_NATIVE | GGO_GLYPH_INDEX; 17590abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 17600abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com SkAutoSTMalloc<BUFFERSIZE, uint8_t> hintedGlyphbuf(BUFFERSIZE); 17610abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com DWORD hinted_total_size = getGDIGlyphPath(glyph, format, &hintedGlyphbuf); 17620abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com if (0 == hinted_total_size) { 17630abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com return; 17640abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17650abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 1766dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com if (!sk_path_from_gdi_paths(path, glyphbuf, total_size, 1767dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com GDIGlyphbufferPointIter(hintedGlyphbuf, hinted_total_size))) 1768dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com { 1769dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com path->reset(); 1770dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com sk_path_from_gdi_path(path, glyphbuf, total_size); 1771dd88eccb22bd2cafcf0c0facf674a8aaaacca7febungeman@google.com } 17720abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com } 17730abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com} 17740abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com 1775484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comstatic void logfont_for_name(const char* familyName, LOGFONT* lf) { 1776484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com sk_bzero(lf, sizeof(LOGFONT)); 1777e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com#ifdef UNICODE 1778484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com // Get the buffer size needed first. 1779484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com size_t str_len = ::MultiByteToWideChar(CP_UTF8, 0, familyName, 1780484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com -1, NULL, 0); 1781484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com // Allocate a buffer (str_len already has terminating null 1782484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com // accounted for). 1783484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com wchar_t *wideFamilyName = new wchar_t[str_len]; 1784484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com // Now actually convert the string. 1785484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ::MultiByteToWideChar(CP_UTF8, 0, familyName, -1, 1786484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com wideFamilyName, str_len); 1787484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ::wcsncpy(lf->lfFaceName, wideFamilyName, LF_FACESIZE - 1); 1788484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com delete [] wideFamilyName; 1789484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com lf->lfFaceName[LF_FACESIZE-1] = L'\0'; 1790e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com#else 1791484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ::strncpy(lf->lfFaceName, familyName, LF_FACESIZE - 1); 1792484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com lf->lfFaceName[LF_FACESIZE - 1] = '\0'; 1793e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com#endif 1794e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com} 1795e70f798ebca1a66f0b568fa46065ebbad9a13b2fbungeman@google.com 17965526ede94a2fc58bcf6b578b12a29f6addad776dreed@google.comvoid LogFontTypeface::onGetFontDescriptor(SkFontDescriptor* desc, 17975526ede94a2fc58bcf6b578b12a29f6addad776dreed@google.com bool* isLocalStream) const { 17987103f182ce61280eacb35f1832df350b642a5381bungeman@google.com // Get the actual name of the typeface. The logfont may not know this. 17995526ede94a2fc58bcf6b578b12a29f6addad776dreed@google.com HFONT font = CreateFontIndirect(&fLogFont); 18007103f182ce61280eacb35f1832df350b642a5381bungeman@google.com 18017103f182ce61280eacb35f1832df350b642a5381bungeman@google.com HDC deviceContext = ::CreateCompatibleDC(NULL); 18027103f182ce61280eacb35f1832df350b642a5381bungeman@google.com HFONT savefont = (HFONT)SelectObject(deviceContext, font); 18037103f182ce61280eacb35f1832df350b642a5381bungeman@google.com 1804a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkString familyName; 1805a980269c2498836101146adc729ef780fb89824ebungeman@google.com dcfontname_to_skstring(deviceContext, fLogFont, &familyName); 18067103f182ce61280eacb35f1832df350b642a5381bungeman@google.com 18077103f182ce61280eacb35f1832df350b642a5381bungeman@google.com if (deviceContext) { 18087103f182ce61280eacb35f1832df350b642a5381bungeman@google.com ::SelectObject(deviceContext, savefont); 18097103f182ce61280eacb35f1832df350b642a5381bungeman@google.com ::DeleteDC(deviceContext); 18107103f182ce61280eacb35f1832df350b642a5381bungeman@google.com } 18117103f182ce61280eacb35f1832df350b642a5381bungeman@google.com if (font) { 18127103f182ce61280eacb35f1832df350b642a5381bungeman@google.com ::DeleteObject(font); 18137103f182ce61280eacb35f1832df350b642a5381bungeman@google.com } 18147103f182ce61280eacb35f1832df350b642a5381bungeman@google.com 18155526ede94a2fc58bcf6b578b12a29f6addad776dreed@google.com desc->setFamilyName(familyName.c_str()); 18165526ede94a2fc58bcf6b578b12a29f6addad776dreed@google.com *isLocalStream = this->fSerializeAsStream; 1817ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1818ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1819ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic bool getWidthAdvance(HDC hdc, int gId, int16_t* advance) { 1820ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Initialize the MAT2 structure to the identify transformation matrix. 1821ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com static const MAT2 mat2 = {SkScalarToFIXED(1), SkScalarToFIXED(0), 1822ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkScalarToFIXED(0), SkScalarToFIXED(1)}; 1823ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int flags = GGO_METRICS | GGO_GLYPH_INDEX; 1824ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 1825ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GDI_ERROR == GetGlyphOutline(hdc, gId, flags, &gm, 0, NULL, &mat2)) { 1826ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return false; 1827ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1828ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(advance); 1829ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com *advance = gm.gmCellIncX; 1830ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return true; 1831ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1832ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 18332689f615e364dc48ad73826564f5b13d2329179dreed@google.comSkAdvancedTypefaceMetrics* LogFontTypeface::onGetAdvancedTypefaceMetrics( 183437ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo, 183537ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org const uint32_t* glyphIDs, 18362689f615e364dc48ad73826564f5b13d2329179dreed@google.com uint32_t glyphIDsCount) const { 18372689f615e364dc48ad73826564f5b13d2329179dreed@google.com LOGFONT lf = fLogFont; 1838ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAdvancedTypefaceMetrics* info = NULL; 1839ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1840ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HDC hdc = CreateCompatibleDC(NULL); 1841ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT font = CreateFontIndirect(&lf); 1842ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 1843ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT designFont = NULL; 1844ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 184505b6f3a5a94de475d3a9dcfdd1833e24d933f207reed@google.com const char stem_chars[] = {'i', 'I', '!', '1'}; 184605b6f3a5a94de475d3a9dcfdd1833e24d933f207reed@google.com int16_t min_width; 184705b6f3a5a94de475d3a9dcfdd1833e24d933f207reed@google.com unsigned glyphCount; 184805b6f3a5a94de475d3a9dcfdd1833e24d933f207reed@google.com 1849ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // To request design units, create a logical font whose height is specified 1850ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // as unitsPerEm. 1851ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com OUTLINETEXTMETRIC otm; 185239698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com unsigned int otmRet = GetOutlineTextMetrics(hdc, sizeof(otm), &otm); 185339698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com if (0 == otmRet) { 1854055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com call_ensure_accessible(lf); 185539698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com otmRet = GetOutlineTextMetrics(hdc, sizeof(otm), &otm); 185639698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com } 185739698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com if (!otmRet || !GetTextFace(hdc, LF_FACESIZE, lf.lfFaceName)) { 1858ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com goto Error; 1859ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1860ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com lf.lfHeight = -SkToS32(otm.otmEMSquare); 1861ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com designFont = CreateFontIndirect(&lf); 1862ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SelectObject(hdc, designFont); 1863ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (!GetOutlineTextMetrics(hdc, sizeof(otm), &otm)) { 1864ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com goto Error; 1865ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 18667bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com glyphCount = calculateGlyphCount(hdc, fLogFont); 1867ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1868ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info = new SkAdvancedTypefaceMetrics; 1869ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fEmSize = otm.otmEMSquare; 1870ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fLastGlyphID = SkToU16(glyphCount - 1); 1871ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle = 0; 18727103f182ce61280eacb35f1832df350b642a5381bungeman@google.com tchar_to_skstring(lf.lfFaceName, &info->fFontName); 18730f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo info->fFlags = SkAdvancedTypefaceMetrics::kEmpty_FontFlag; 18740f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo // If bit 1 is set, the font may not be embedded in a document. 18750f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo // If bit 1 is clear, the font can be embedded. 18760f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo // If bit 2 is set, the embedding is read-only. 18770f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo if (otm.otmfsType & 0x1) { 18780f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo info->fFlags = SkTBitOr<SkAdvancedTypefaceMetrics::FontFlags>( 18790f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo info->fFlags, 18800f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo SkAdvancedTypefaceMetrics::kNotEmbeddable_FontFlag); 18810f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo } 1882ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 18836744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (perGlyphInfo & SkAdvancedTypefaceMetrics::kToUnicode_PerGlyphInfo) { 18846744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org populate_glyph_to_unicode(hdc, glyphCount, &(info->fGlyphToUnicode)); 18856744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 18866744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 1887d41e70de196e78e21e1001d23a7259785cbd0835vandebo@chromium.org if (glyphCount > 0 && 1888d41e70de196e78e21e1001d23a7259785cbd0835vandebo@chromium.org (otm.otmTextMetrics.tmPitchAndFamily & TMPF_TRUETYPE)) { 1889ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fType = SkAdvancedTypefaceMetrics::kTrueType_Font; 1890ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 1891ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fType = SkAdvancedTypefaceMetrics::kOther_Font; 1892ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fItalicAngle = 0; 1893ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fAscent = 0; 1894ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fDescent = 0; 1895ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStemV = 0; 1896ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fCapHeight = 0; 1897ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fBBox = SkIRect::MakeEmpty(); 1898390c6d7a9018e233a6519397ac6c739fb21a99efedisonn@google.com goto ReturnInfo; 1899ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 19005aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org 1901ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // If this bit is clear the font is a fixed pitch font. 1902ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (!(otm.otmTextMetrics.tmPitchAndFamily & TMPF_FIXED_PITCH)) { 1903ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kFixedPitch_Style; 1904ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1905ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (otm.otmTextMetrics.tmItalic) { 1906ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kItalic_Style; 1907ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1908ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (otm.otmTextMetrics.tmPitchAndFamily & FF_ROMAN) { 1909ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kSerif_Style; 1910ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else if (otm.otmTextMetrics.tmPitchAndFamily & FF_SCRIPT) { 1911ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kScript_Style; 1912ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1913ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1914ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // The main italic angle of the font, in tenths of a degree counterclockwise 1915ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // from vertical. 1916ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fItalicAngle = otm.otmItalicAngle / 10; 1917ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fAscent = SkToS16(otm.otmTextMetrics.tmAscent); 1918ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fDescent = SkToS16(-otm.otmTextMetrics.tmDescent); 1919ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // TODO(ctguil): Use alternate cap height calculation. 1920ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // MSDN says otmsCapEmHeight is not support but it is returning a value on 1921ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // my Win7 box. 1922ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fCapHeight = otm.otmsCapEmHeight; 1923ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fBBox = 1924ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkIRect::MakeLTRB(otm.otmrcFontBox.left, otm.otmrcFontBox.top, 1925ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com otm.otmrcFontBox.right, otm.otmrcFontBox.bottom); 1926ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1927ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Figure out a good guess for StemV - Min width of i, I, !, 1. 1928ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // This probably isn't very good with an italic font. 192905b6f3a5a94de475d3a9dcfdd1833e24d933f207reed@google.com min_width = SHRT_MAX; 1930ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStemV = 0; 1931ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com for (size_t i = 0; i < SK_ARRAY_COUNT(stem_chars); i++) { 1932ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ABC abcWidths; 1933ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GetCharABCWidths(hdc, stem_chars[i], stem_chars[i], &abcWidths)) { 1934ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int16_t width = abcWidths.abcB; 1935ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (width > 0 && width < min_width) { 1936ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com min_width = width; 1937ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStemV = min_width; 1938ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1939ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1940ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1941ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 19420f9bad01b0e7ad592ffb342dcf1d238b15329be1vandebo if (perGlyphInfo & SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo) { 19435aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org if (info->fStyle & SkAdvancedTypefaceMetrics::kFixedPitch_Style) { 19445aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org appendRange(&info->fGlyphWidths, 0); 19455aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org info->fGlyphWidths->fAdvance.append(1, &min_width); 19465aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org finishRange(info->fGlyphWidths.get(), 0, 19475aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org SkAdvancedTypefaceMetrics::WidthRange::kDefault); 19485aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org } else { 19495aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org info->fGlyphWidths.reset( 195037ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org getAdvanceData(hdc, 195137ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org glyphCount, 195237ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org glyphIDs, 195337ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org glyphIDsCount, 195437ad8fb72ff1b3faac93b01ead2c79e1a06fc172vandebo@chromium.org &getWidthAdvance)); 19555aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org } 1956ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1957ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1958ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comError: 1959390c6d7a9018e233a6519397ac6c739fb21a99efedisonn@google.comReturnInfo: 1960ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SelectObject(hdc, savefont); 1961ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteObject(designFont); 1962ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteObject(font); 1963ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteDC(hdc); 1964ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1965ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return info; 1966ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1967ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1968a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com//Dummy representation of a Base64 encoded GUID from create_unique_font_name. 1969a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#define BASE64_GUID_ID "XXXXXXXXXXXXXXXXXXXXXXXX" 1970a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com//Length of GUID representation from create_id, including NULL terminator. 1971a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com#define BASE64_GUID_ID_LEN SK_ARRAY_COUNT(BASE64_GUID_ID) 1972a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 1973a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comSK_COMPILE_ASSERT(BASE64_GUID_ID_LEN < LF_FACESIZE, GUID_longer_than_facesize); 1974a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 1975a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com/** 1976a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com NameID 6 Postscript names cannot have the character '/'. 1977a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com It would be easier to hex encode the GUID, but that is 32 bytes, 1978a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com and many systems have issues with names longer than 28 bytes. 1979a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com The following need not be any standard base64 encoding. 1980a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com The encoded value is never decoded. 1981a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com*/ 1982d6176b0dcacb124539e0cfd051e6d93a9782f020rmistry@google.comstatic const char postscript_safe_base64_encode[] = 1983a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com "ABCDEFGHIJKLMNOPQRSTUVWXYZ" 1984a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com "abcdefghijklmnopqrstuvwxyz" 1985a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com "0123456789-_="; 1986a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 1987a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com/** 1988a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com Formats a GUID into Base64 and places it into buffer. 1989a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com buffer should have space for at least BASE64_GUID_ID_LEN characters. 1990a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com The string will always be null terminated. 1991a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com XXXXXXXXXXXXXXXXXXXXXXXX0 1992a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com */ 1993a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comstatic void format_guid_b64(const GUID& guid, char* buffer, size_t bufferSize) { 1994a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com SkASSERT(bufferSize >= BASE64_GUID_ID_LEN); 1995a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com size_t written = SkBase64::Encode(&guid, sizeof(guid), buffer, postscript_safe_base64_encode); 1996a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com SkASSERT(written < LF_FACESIZE); 1997a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com buffer[written] = '\0'; 1998a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com} 1999a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2000a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com/** 2001a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com Creates a Base64 encoded GUID and places it into buffer. 2002a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com buffer should have space for at least BASE64_GUID_ID_LEN characters. 2003a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com The string will always be null terminated. 2004a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com XXXXXXXXXXXXXXXXXXXXXXXX0 2005a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com */ 2006a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comstatic HRESULT create_unique_font_name(char* buffer, size_t bufferSize) { 2007a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com GUID guid = {}; 2008a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com if (FAILED(CoCreateGuid(&guid))) { 2009a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return E_UNEXPECTED; 2010a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 2011a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com format_guid_b64(guid, buffer, bufferSize); 2012a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2013a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return S_OK; 2014a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com} 2015a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2016a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com/** 2017a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com Introduces a font to GDI. On failure will return NULL. The returned handle 2018a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com should eventually be passed to RemoveFontMemResourceEx. 2019a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com*/ 2020a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.comstatic HANDLE activate_font(SkData* fontData) { 2021a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com DWORD numFonts = 0; 2022a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com //AddFontMemResourceEx just copies the data, but does not specify const. 2023a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com HANDLE fontHandle = AddFontMemResourceEx(const_cast<void*>(fontData->data()), 20244b18f5767ab1df7fedf0ff2e3a9eac7f7c500c36bungeman@google.com static_cast<DWORD>(fontData->size()), 2025a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 0, 2026a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com &numFonts); 2027a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2028a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com if (fontHandle != NULL && numFonts < 1) { 2029a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com RemoveFontMemResourceEx(fontHandle); 2030a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return NULL; 2031a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 2032a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2033a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return fontHandle; 2034a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com} 2035a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2036437eea160b2f605d9074106891288e85baaecfefreed@google.comstatic SkTypeface* create_from_stream(SkStream* stream) { 2037a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com // Create a unique and unpredictable font name. 2038a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com // Avoids collisions and access from CSS. 2039a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com char familyName[BASE64_GUID_ID_LEN]; 2040a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com const int familyNameSize = SK_ARRAY_COUNT(familyName); 2041a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com if (FAILED(create_unique_font_name(familyName, familyNameSize))) { 2042a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return NULL; 2043a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 2044d6176b0dcacb124539e0cfd051e6d93a9782f020rmistry@google.com 2045a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com // Change the name of the font. 2046e9bbee397ce96aa6642a42823feb1d7c4a8ffd8bbungeman@google.com SkAutoTUnref<SkData> rewrittenFontData(SkOTUtils::RenameFont(stream, familyName, familyNameSize-1)); 2047e9bbee397ce96aa6642a42823feb1d7c4a8ffd8bbungeman@google.com if (NULL == rewrittenFontData.get()) { 2048a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return NULL; 2049a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 2050ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 2051a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com // Register the font with GDI. 2052e9bbee397ce96aa6642a42823feb1d7c4a8ffd8bbungeman@google.com HANDLE fontReference = activate_font(rewrittenFontData.get()); 2053a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com if (NULL == fontReference) { 2054a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return NULL; 2055a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com } 2056a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2057a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com // Create the typeface. 2058a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com LOGFONT lf; 2059484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com logfont_for_name(familyName, &lf); 2060a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com 2061a550199c6f37e1b05a386ea57eee4c40cc91d84dbungeman@google.com return SkCreateFontMemResourceTypefaceFromLOGFONT(lf, fontReference); 2062ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 2063ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 20640042b9c2a2e6fe954cdfbcd5a5b7449cdf41a4c3reed@google.comSkStream* LogFontTypeface::onOpenStream(int* ttcIndex) const { 20650042b9c2a2e6fe954cdfbcd5a5b7449cdf41a4c3reed@google.com *ttcIndex = 0; 20660042b9c2a2e6fe954cdfbcd5a5b7449cdf41a4c3reed@google.com 2067f4c2622a1a3489988f2d85a81fdc132b17a92bddctguil@chromium.org const DWORD kTTCTag = 2068f4c2622a1a3489988f2d85a81fdc132b17a92bddctguil@chromium.org SkEndian_SwapBE32(SkSetFourByteTag('t', 't', 'c', 'f')); 20690042b9c2a2e6fe954cdfbcd5a5b7449cdf41a4c3reed@google.com LOGFONT lf = fLogFont; 2070ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 2071ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HDC hdc = ::CreateCompatibleDC(NULL); 207259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com HFONT font = CreateFontIndirect(&lf); 2073ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 2074ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 2075d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org SkMemoryStream* stream = NULL; 2076d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org DWORD tables[2] = {kTTCTag, 0}; 2077d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org for (int i = 0; i < SK_ARRAY_COUNT(tables); i++) { 20784b18f5767ab1df7fedf0ff2e3a9eac7f7c500c36bungeman@google.com DWORD bufferSize = GetFontData(hdc, tables[i], 0, NULL, 0); 207939698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com if (bufferSize == GDI_ERROR) { 2080055180cb9c47c87e5ee8c9fa6d3f6a6079ad6f35reed@google.com call_ensure_accessible(lf); 208139698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com bufferSize = GetFontData(hdc, tables[i], 0, NULL, 0); 208239698b1bd71fd54c7c44ae8d7224afdaf93c0ddabungeman@google.com } 2083d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org if (bufferSize != GDI_ERROR) { 2084d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org stream = new SkMemoryStream(bufferSize); 20854b18f5767ab1df7fedf0ff2e3a9eac7f7c500c36bungeman@google.com if (GetFontData(hdc, tables[i], 0, (void*)stream->getMemoryBase(), bufferSize)) { 2086d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org break; 2087d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org } else { 2088d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org delete stream; 2089d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org stream = NULL; 2090d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org } 2091d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org } 2092ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 2093ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 2094ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SelectObject(hdc, savefont); 2095ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteObject(font); 2096ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteDC(hdc); 2097ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 2098ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return stream; 2099ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 2100ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 21013c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.comstatic void bmpCharsToGlyphs(HDC hdc, const WCHAR* bmpChars, int count, uint16_t* glyphs, 21023c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com bool Ox1FHack) 21033c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com{ 21043c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com DWORD result = GetGlyphIndicesW(hdc, bmpChars, count, glyphs, GGI_MARK_NONEXISTING_GLYPHS); 21053c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (GDI_ERROR == result) { 21063c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com for (int i = 0; i < count; ++i) { 21073c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs[i] = 0; 21083c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21093c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com return; 21103c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21113c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21123c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (Ox1FHack) { 21133c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com for (int i = 0; i < count; ++i) { 21143c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (0xFFFF == glyphs[i] || 0x1F == glyphs[i]) { 21153c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs[i] = 0; 21163c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21173c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21183c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } else { 21193c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com for (int i = 0; i < count; ++i) { 21203c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (0xFFFF == glyphs[i]){ 21213c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs[i] = 0; 21223c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21233c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21243c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21253c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com} 21263c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21273c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.comstatic uint16_t nonBmpCharToGlyph(HDC hdc, SCRIPT_CACHE* scriptCache, const WCHAR utf16[2]) { 21283c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com uint16_t index = 0; 21293c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Use uniscribe to detemine glyph index for non-BMP characters. 21303c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com static const int numWCHAR = 2; 21313c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com static const int maxItems = 2; 21323c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // MSDN states that this can be NULL, but some things don't work then. 21333c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SCRIPT_CONTROL scriptControl = { 0 }; 21343c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Add extra item to SCRIPT_ITEM to work around a bug (now documented). 21353c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // https://bugzilla.mozilla.org/show_bug.cgi?id=366643 21363c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SCRIPT_ITEM si[maxItems + 1]; 21373c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int numItems; 21383c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com HRZM(ScriptItemize(utf16, numWCHAR, maxItems, &scriptControl, NULL, si, &numItems), 21393c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com "Could not itemize character."); 21403c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21413c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Sometimes ScriptShape cannot find a glyph for a non-BMP and returns 2 space glyphs. 21423c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com static const int maxGlyphs = 2; 21433c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SCRIPT_VISATTR vsa[maxGlyphs]; 21443c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com WORD outGlyphs[maxGlyphs]; 21453c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com WORD logClust[numWCHAR]; 21463c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int numGlyphs; 21473c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com HRZM(ScriptShape(hdc, scriptCache, utf16, numWCHAR, maxGlyphs, &si[0].a, 21483c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com outGlyphs, logClust, vsa, &numGlyphs), 21493c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com "Could not shape character."); 21503c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (1 == numGlyphs) { 21513c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com index = outGlyphs[0]; 21523c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21533c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com return index; 21543c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com} 21553c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21563c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.comclass SkAutoHDC { 21573c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.compublic: 21583c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkAutoHDC(const LOGFONT& lf) 21593c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com : fHdc(::CreateCompatibleDC(NULL)) 21603c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com , fFont(::CreateFontIndirect(&lf)) 21613c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com , fSavefont((HFONT)SelectObject(fHdc, fFont)) 21623c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com { } 21633c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ~SkAutoHDC() { 21643c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SelectObject(fHdc, fSavefont); 21653c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com DeleteObject(fFont); 21663c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com DeleteDC(fHdc); 21673c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21683c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com operator HDC() { return fHdc; } 21693c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.comprivate: 21703c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com HDC fHdc; 21713c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com HFONT fFont; 21723c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com HFONT fSavefont; 21733c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com}; 2174e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoHDC(...) SK_REQUIRE_LOCAL_VAR(SkAutoHDC) 21753c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21763c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.comint LogFontTypeface::onCharsToGlyphs(const void* chars, Encoding encoding, 21773c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com uint16_t userGlyphs[], int glyphCount) const 21783c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com{ 21793c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkAutoHDC hdc(fLogFont); 21803c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21813c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com TEXTMETRIC tm; 21823c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (0 == GetTextMetrics(hdc, &tm)) { 21833c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com call_ensure_accessible(fLogFont); 21843c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (0 == GetTextMetrics(hdc, &tm)) { 21853c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com tm.tmPitchAndFamily = TMPF_TRUETYPE; 21863c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21873c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21883c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com bool Ox1FHack = !(tm.tmPitchAndFamily & TMPF_VECTOR) /*&& winVer < Vista */; 21893c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21903c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkAutoSTMalloc<256, uint16_t> scratchGlyphs; 21913c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com uint16_t* glyphs; 21923c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (userGlyphs != NULL) { 21933c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs = userGlyphs; 21943c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } else { 21953c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs = scratchGlyphs.reset(glyphCount); 21963c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 21973c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 21983c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SCRIPT_CACHE sc = 0; 21993c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com switch (encoding) { 22003c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com case SkTypeface::kUTF8_Encoding: { 22013c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com static const int scratchCount = 256; 22023c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com WCHAR scratch[scratchCount]; 22033c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int glyphIndex = 0; 22043c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com const char* currentUtf8 = reinterpret_cast<const char*>(chars); 22053c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkUnichar currentChar; 22063c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (glyphCount) { 22073c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com currentChar = SkUTF8_NextUnichar(¤tUtf8); 22083c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22093c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (glyphIndex < glyphCount) { 22103c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Try a run of bmp. 22113c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int glyphsLeft = SkTMin(glyphCount - glyphIndex, scratchCount); 22123c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int runLength = 0; 22133c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (runLength < glyphsLeft && currentChar <= 0xFFFF) { 22143c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com scratch[runLength] = static_cast<WCHAR>(currentChar); 22153c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ++runLength; 22163c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (runLength < glyphsLeft) { 22173c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com currentChar = SkUTF8_NextUnichar(¤tUtf8); 22183c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22193c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22203c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (runLength) { 22213c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com bmpCharsToGlyphs(hdc, scratch, runLength, &glyphs[glyphIndex], Ox1FHack); 22223c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphIndex += runLength; 22233c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22243c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 22253c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Try a run of non-bmp. 22263c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (glyphIndex < glyphCount && currentChar > 0xFFFF) { 22273c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkUTF16_FromUnichar(currentChar, reinterpret_cast<uint16_t*>(scratch)); 22283c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs[glyphIndex] = nonBmpCharToGlyph(hdc, &sc, scratch); 22293c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ++glyphIndex; 22303c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (glyphIndex < glyphCount) { 22313c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com currentChar = SkUTF8_NextUnichar(¤tUtf8); 22323c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22333c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22343c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22353c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com break; 22363c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22373c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com case SkTypeface::kUTF16_Encoding: { 22383c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int glyphIndex = 0; 22393c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com const WCHAR* currentUtf16 = reinterpret_cast<const WCHAR*>(chars); 22403c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (glyphIndex < glyphCount) { 22413c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Try a run of bmp. 22423c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int glyphsLeft = glyphCount - glyphIndex; 22433c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int runLength = 0; 22443c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (runLength < glyphsLeft && !SkUTF16_IsHighSurrogate(currentUtf16[runLength])) { 22453c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ++runLength; 22463c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22473c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (runLength) { 22483c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com bmpCharsToGlyphs(hdc, currentUtf16, runLength, &glyphs[glyphIndex], Ox1FHack); 22493c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphIndex += runLength; 22503c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com currentUtf16 += runLength; 22513c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22523c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 22533c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Try a run of non-bmp. 22543c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (glyphIndex < glyphCount && SkUTF16_IsHighSurrogate(*currentUtf16)) { 22553c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs[glyphIndex] = nonBmpCharToGlyph(hdc, &sc, currentUtf16); 22563c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ++glyphIndex; 22573c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com currentUtf16 += 2; 22583c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22593c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22603c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com break; 22613c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22623c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com case SkTypeface::kUTF32_Encoding: { 22633c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com static const int scratchCount = 256; 22643c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com WCHAR scratch[scratchCount]; 22653c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int glyphIndex = 0; 22663c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com const uint32_t* utf32 = reinterpret_cast<const uint32_t*>(chars); 22673c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (glyphIndex < glyphCount) { 22683c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Try a run of bmp. 22693c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int glyphsLeft = SkTMin(glyphCount - glyphIndex, scratchCount); 22703c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com int runLength = 0; 22713c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (runLength < glyphsLeft && utf32[glyphIndex + runLength] <= 0xFFFF) { 22723c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com scratch[runLength] = static_cast<WCHAR>(utf32[glyphIndex + runLength]); 22733c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ++runLength; 22743c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22753c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (runLength) { 22763c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com bmpCharsToGlyphs(hdc, scratch, runLength, &glyphs[glyphIndex], Ox1FHack); 22773c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphIndex += runLength; 22783c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22793c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 22803c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com // Try a run of non-bmp. 22813c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com while (glyphIndex < glyphCount && utf32[glyphIndex] > 0xFFFF) { 22823c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkUTF16_FromUnichar(utf32[glyphIndex], reinterpret_cast<uint16_t*>(scratch)); 22833c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com glyphs[glyphIndex] = nonBmpCharToGlyph(hdc, &sc, scratch); 22843c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ++glyphIndex; 22853c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22863c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22873c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com break; 22883c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22893c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com default: 22903c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SK_CRASH(); 22913c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22923c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 22933c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (sc) { 22943c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com ::ScriptFreeCache(&sc); 22953c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 22963c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 22973c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com for (int i = 0; i < glyphCount; ++i) { 22983c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com if (0 == glyphs[i]) { 22993c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com return i; 23003c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 23013c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com } 23023c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com return glyphCount; 23033c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com} 23043c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com 23057bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.comint LogFontTypeface::onCountGlyphs() const { 23067bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com HDC hdc = ::CreateCompatibleDC(NULL); 23077bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com HFONT font = CreateFontIndirect(&fLogFont); 23087bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 23097bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23107bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com unsigned int glyphCount = calculateGlyphCount(hdc, fLogFont); 23117bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23127bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com SelectObject(hdc, savefont); 23137bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com DeleteObject(font); 23147bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com DeleteDC(hdc); 23157bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23167bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com return glyphCount; 23177bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com} 23187bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23197bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.comint LogFontTypeface::onGetUPEM() const { 23207bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com HDC hdc = ::CreateCompatibleDC(NULL); 23217bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com HFONT font = CreateFontIndirect(&fLogFont); 23227bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 23237bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23247bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com unsigned int upem = calculateUPEM(hdc, fLogFont); 23257bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23267bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com SelectObject(hdc, savefont); 23277bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com DeleteObject(font); 23287bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com DeleteDC(hdc); 23297bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 23307bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com return upem; 23317bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com} 23327bdd614a1940935d3badeb54f7aae75d76ea830dbungeman@google.com 2333839702b61934914118ec557dd641be322eba3b5fbungeman@google.comSkTypeface::LocalizedStrings* LogFontTypeface::onCreateFamilyNameIterator() const { 2334a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkTypeface::LocalizedStrings* nameIter = 2335a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkOTUtils::LocalizedStrings_NameTable::CreateForFamilyNames(*this); 2336a980269c2498836101146adc729ef780fb89824ebungeman@google.com if (NULL == nameIter) { 2337a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkString familyName; 2338a980269c2498836101146adc729ef780fb89824ebungeman@google.com this->getFamilyName(&familyName); 2339a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkString language("und"); //undetermined 2340a980269c2498836101146adc729ef780fb89824ebungeman@google.com nameIter = new SkOTUtils::LocalizedStrings_SingleName(familyName, language); 2341a980269c2498836101146adc729ef780fb89824ebungeman@google.com } 2342a980269c2498836101146adc729ef780fb89824ebungeman@google.com return nameIter; 2343a980269c2498836101146adc729ef780fb89824ebungeman@google.com} 2344a980269c2498836101146adc729ef780fb89824ebungeman@google.com 2345b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.comint LogFontTypeface::onGetTableTags(SkFontTableTag tags[]) const { 2346b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com SkSFNTHeader header; 2347b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com if (sizeof(header) != this->onGetTableData(0, 0, sizeof(header), &header)) { 2348b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com return 0; 2349b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com } 2350b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2351b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com int numTables = SkEndian_SwapBE16(header.numTables); 2352b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2353b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com if (tags) { 2354b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com size_t size = numTables * sizeof(SkSFNTHeader::TableDirectoryEntry); 2355b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com SkAutoSTMalloc<0x20, SkSFNTHeader::TableDirectoryEntry> dir(numTables); 2356b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com if (size != this->onGetTableData(0, sizeof(header), size, dir.get())) { 2357b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com return 0; 2358b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com } 2359b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2360b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com for (int i = 0; i < numTables; ++i) { 2361b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com tags[i] = SkEndian_SwapBE32(dir[i].tag); 2362b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com } 2363b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com } 2364b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com return numTables; 2365b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com} 2366b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2367b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.comsize_t LogFontTypeface::onGetTableData(SkFontTableTag tag, size_t offset, 2368b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com size_t length, void* data) const 2369b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com{ 2370b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com LOGFONT lf = fLogFont; 2371b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2372b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com HDC hdc = ::CreateCompatibleDC(NULL); 2373b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com HFONT font = CreateFontIndirect(&lf); 2374b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 2375b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2376b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com tag = SkEndian_SwapBE32(tag); 2377b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com if (NULL == data) { 2378b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com length = 0; 2379b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com } 23808b169311b59ab84e8ca6f3630a1e960cc1be751erobertphillips@google.com DWORD bufferSize = GetFontData(hdc, tag, (DWORD) offset, data, (DWORD) length); 2381b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com if (bufferSize == GDI_ERROR) { 2382b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com call_ensure_accessible(lf); 23838b169311b59ab84e8ca6f3630a1e960cc1be751erobertphillips@google.com bufferSize = GetFontData(hdc, tag, (DWORD) offset, data, (DWORD) length); 2384b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com } 2385b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2386b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com SelectObject(hdc, savefont); 2387b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com DeleteObject(font); 2388b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com DeleteDC(hdc); 2389b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 2390b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com return bufferSize == GDI_ERROR ? 0 : bufferSize; 2391b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com} 2392b10b51f64dbd1cf44571a1eedb412378702d8cd4bungeman@google.com 23930da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.comSkScalerContext* LogFontTypeface::onCreateScalerContext(const SkDescriptor* desc) const { 239430ddd615c447fed73286151b463af20d309c85f1reed@google.com SkScalerContext_GDI* ctx = SkNEW_ARGS(SkScalerContext_GDI, 239584e22d847fc84727bc220947162363ee1fe068fcreed@google.com (const_cast<LogFontTypeface*>(this), desc)); 239684e22d847fc84727bc220947162363ee1fe068fcreed@google.com if (!ctx->isValid()) { 239784e22d847fc84727bc220947162363ee1fe068fcreed@google.com SkDELETE(ctx); 239884e22d847fc84727bc220947162363ee1fe068fcreed@google.com ctx = NULL; 239984e22d847fc84727bc220947162363ee1fe068fcreed@google.com } 240084e22d847fc84727bc220947162363ee1fe068fcreed@google.com return ctx; 2401ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 2402ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 24030da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.comvoid LogFontTypeface::onFilterRec(SkScalerContextRec* rec) const { 2404c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org if (rec->fFlags & SkScalerContext::kLCD_BGROrder_Flag || 2405c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org rec->fFlags & SkScalerContext::kLCD_Vertical_Flag) 2406c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org { 2407c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org rec->fMaskFormat = SkMask::kA8_Format; 2408c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org rec->fFlags |= SkScalerContext::kGenA8FromLCD_Flag; 2409c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org } 2410c5fd46171841711973b9433c726ff8608335940ccommit-bot@chromium.org 2411e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com unsigned flagsWeDontSupport = SkScalerContext::kDevKernText_Flag | 2412f6f56878bc96386882721b15ba610984185d3dc9bungeman@google.com SkScalerContext::kForceAutohinting_Flag | 2413e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kEmbeddedBitmapText_Flag | 2414e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kEmbolden_Flag | 2415e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kLCD_BGROrder_Flag | 2416e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kLCD_Vertical_Flag; 2417e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com rec->fFlags &= ~flagsWeDontSupport; 2418e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com 2419e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkPaint::Hinting h = rec->getHinting(); 2420e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com switch (h) { 2421e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kNo_Hinting: 24220abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com break; 2423e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kSlight_Hinting: 24240abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // Only do slight hinting when axis aligned. 24257c86d8eb3a61eae188bc8af2cd0363858eaea07ebungeman@google.com // TODO: re-enable slight hinting when FontHostTest can pass. 24267c86d8eb3a61eae188bc8af2cd0363858eaea07ebungeman@google.com //if (!isAxisAligned(*rec)) { 24270abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com h = SkPaint::kNo_Hinting; 24287c86d8eb3a61eae188bc8af2cd0363858eaea07ebungeman@google.com //} 2429e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com break; 2430e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kNormal_Hinting: 2431e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kFull_Hinting: 24320abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // TODO: need to be able to distinguish subpixel positioned glyphs 24330abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com // and linear metrics. 24340abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com //rec->fFlags &= ~SkScalerContext::kSubpixelPositioning_Flag; 2435e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com h = SkPaint::kNormal_Hinting; 2436e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com break; 2437e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com default: 24380c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("unknown hinting"); 2439e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com } 24400abbff9987b9452fd30cce198bea34fdb210ac41bungeman@google.com //TODO: if this is a bitmap font, squash hinting and subpixel. 2441e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com rec->setHinting(h); 2442da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com 24439181aa84aa288d2bc3ab079b6b40a79ac87d8807reed@google.com// turn this off since GDI might turn A8 into BW! Need a bigger fix. 24449181aa84aa288d2bc3ab079b6b40a79ac87d8807reed@google.com#if 0 2445da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com // Disable LCD when rotated, since GDI's output is ugly 2446da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com if (isLCD(*rec) && !isAxisAligned(*rec)) { 2447da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com rec->fMaskFormat = SkMask::kA8_Format; 2448da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com } 24499181aa84aa288d2bc3ab079b6b40a79ac87d8807reed@google.com#endif 2450754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com 24510da48618a758ef46c2174bdc1eaeb6dd8a693a2ereed@google.com if (!fCanBeLCD && isLCD(*rec)) { 2452cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com rec->fMaskFormat = SkMask::kA8_Format; 2453cb1bbb375aa4fdd099dc60302ca1712f04607782bungeman@google.com rec->fFlags &= ~SkScalerContext::kGenA8FromLCD_Flag; 2454754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com } 2455754e4ebd10d7353ce55be7dfe0a417e502ef4047reed@google.com} 2456070da5edcb1c6e9b9507f06a5e2c270e1c1fd796reed@google.com 2457070da5edcb1c6e9b9507f06a5e2c270e1c1fd796reed@google.com/////////////////////////////////////////////////////////////////////////////// 2458070da5edcb1c6e9b9507f06a5e2c270e1c1fd796reed@google.com 2459070da5edcb1c6e9b9507f06a5e2c270e1c1fd796reed@google.com#include "SkFontMgr.h" 2460484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com#include "SkDataTable.h" 2461484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2462a980269c2498836101146adc729ef780fb89824ebungeman@google.comstatic bool valid_logfont_for_enum(const LOGFONT& lf) { 2463a980269c2498836101146adc729ef780fb89824ebungeman@google.com // TODO: Vector FON is unsupported and should not be listed. 2464a980269c2498836101146adc729ef780fb89824ebungeman@google.com return 2465a980269c2498836101146adc729ef780fb89824ebungeman@google.com // Ignore implicit vertical variants. 2466a980269c2498836101146adc729ef780fb89824ebungeman@google.com lf.lfFaceName[0] && lf.lfFaceName[0] != '@' 2467a980269c2498836101146adc729ef780fb89824ebungeman@google.com 2468a980269c2498836101146adc729ef780fb89824ebungeman@google.com // DEFAULT_CHARSET is used to get all fonts, but also implies all 2469a980269c2498836101146adc729ef780fb89824ebungeman@google.com // character sets. Filter assuming all fonts support ANSI_CHARSET. 2470a980269c2498836101146adc729ef780fb89824ebungeman@google.com && ANSI_CHARSET == lf.lfCharSet 2471a980269c2498836101146adc729ef780fb89824ebungeman@google.com ; 2472a980269c2498836101146adc729ef780fb89824ebungeman@google.com} 2473a980269c2498836101146adc729ef780fb89824ebungeman@google.com 2474a980269c2498836101146adc729ef780fb89824ebungeman@google.com/** An EnumFontFamExProc implementation which interprets builderParam as 2475a980269c2498836101146adc729ef780fb89824ebungeman@google.com * an SkTDArray<ENUMLOGFONTEX>* and appends logfonts which 2476a980269c2498836101146adc729ef780fb89824ebungeman@google.com * pass the valid_logfont_for_enum predicate. 2477a980269c2498836101146adc729ef780fb89824ebungeman@google.com */ 2478a980269c2498836101146adc729ef780fb89824ebungeman@google.comstatic int CALLBACK enum_family_proc(const LOGFONT* lf, const TEXTMETRIC*, 2479a980269c2498836101146adc729ef780fb89824ebungeman@google.com DWORD fontType, LPARAM builderParam) { 2480a980269c2498836101146adc729ef780fb89824ebungeman@google.com if (valid_logfont_for_enum(*lf)) { 2481a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com SkTDArray<ENUMLOGFONTEX>* array = (SkTDArray<ENUMLOGFONTEX>*)builderParam; 2482a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com *array->append() = *(ENUMLOGFONTEX*)lf; 2483484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2484484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return 1; // non-zero means continue 2485484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com} 2486484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2487484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comstatic SkFontStyle compute_fontstyle(const LOGFONT& lf) { 2488484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return SkFontStyle(lf.lfWeight, SkFontStyle::kNormal_Width, 2489484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com lf.lfItalic ? SkFontStyle::kItalic_Slant 2490484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com : SkFontStyle::kUpright_Slant); 2491484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com} 2492484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2493484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comclass SkFontStyleSetGDI : public SkFontStyleSet { 2494484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.compublic: 2495a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com SkFontStyleSetGDI(const TCHAR familyName[]) { 2496a980269c2498836101146adc729ef780fb89824ebungeman@google.com LOGFONT lf; 2497a980269c2498836101146adc729ef780fb89824ebungeman@google.com sk_bzero(&lf, sizeof(lf)); 2498a980269c2498836101146adc729ef780fb89824ebungeman@google.com lf.lfCharSet = DEFAULT_CHARSET; 2499a980269c2498836101146adc729ef780fb89824ebungeman@google.com _tcscpy_s(lf.lfFaceName, familyName); 2500a980269c2498836101146adc729ef780fb89824ebungeman@google.com 2501484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com HDC hdc = ::CreateCompatibleDC(NULL); 2502a980269c2498836101146adc729ef780fb89824ebungeman@google.com ::EnumFontFamiliesEx(hdc, &lf, enum_family_proc, (LPARAM)&fArray, 0); 2503484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ::DeleteDC(hdc); 2504484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2505484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2506484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com virtual int count() SK_OVERRIDE { 2507484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return fArray.count(); 2508484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2509484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2510484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com virtual void getStyle(int index, SkFontStyle* fs, SkString* styleName) SK_OVERRIDE { 2511484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com if (fs) { 2512a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com *fs = compute_fontstyle(fArray[index].elfLogFont); 2513a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com } 2514a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com if (styleName) { 2515a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com const ENUMLOGFONTEX& ref = fArray[index]; 2516a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com // For some reason, ENUMLOGFONTEX and LOGFONT disagree on their type in the 2517a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com // non-unicode version. 2518a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com // ENUMLOGFONTEX uses BYTE 2519a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com // LOGFONT uses CHAR 2520a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com // Here we assert they that the style name is logically the same (size) as 2521a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com // a TCHAR, so we can use the same converter function. 2522a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com SkASSERT(sizeof(TCHAR) == sizeof(ref.elfStyle[0])); 2523a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com tchar_to_skstring((const TCHAR*)ref.elfStyle, styleName); 2524484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2525484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2526484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2527484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com virtual SkTypeface* createTypeface(int index) SK_OVERRIDE { 2528a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com return SkCreateTypefaceFromLOGFONT(fArray[index].elfLogFont); 2529484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2530484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2531484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com virtual SkTypeface* matchStyle(const SkFontStyle& pattern) SK_OVERRIDE { 2532484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com // todo: 2533a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com return SkCreateTypefaceFromLOGFONT(fArray[0].elfLogFont); 2534484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2535484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2536484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comprivate: 2537a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com SkTDArray<ENUMLOGFONTEX> fArray; 2538484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com}; 2539484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2540484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comclass SkFontMgrGDI : public SkFontMgr { 2541a980269c2498836101146adc729ef780fb89824ebungeman@google.compublic: 2542a980269c2498836101146adc729ef780fb89824ebungeman@google.com SkFontMgrGDI() { 2543484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com LOGFONT lf; 2544484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com sk_bzero(&lf, sizeof(lf)); 2545484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com lf.lfCharSet = DEFAULT_CHARSET; 2546484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2547484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com HDC hdc = ::CreateCompatibleDC(NULL); 2548484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ::EnumFontFamiliesEx(hdc, &lf, enum_family_proc, (LPARAM)&fLogFontArray, 0); 2549484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ::DeleteDC(hdc); 2550484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2551484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2552484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comprotected: 2553967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual int onCountFamilies() const SK_OVERRIDE { 2554484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return fLogFontArray.count(); 2555484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2556484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2557967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual void onGetFamilyName(int index, SkString* familyName) const SK_OVERRIDE { 2558484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com SkASSERT((unsigned)index < (unsigned)fLogFontArray.count()); 2559a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com tchar_to_skstring(fLogFontArray[index].elfLogFont.lfFaceName, familyName); 2560484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2561484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2562967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual SkFontStyleSet* onCreateStyleSet(int index) const SK_OVERRIDE { 2563484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com SkASSERT((unsigned)index < (unsigned)fLogFontArray.count()); 2564a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com return SkNEW_ARGS(SkFontStyleSetGDI, (fLogFontArray[index].elfLogFont.lfFaceName)); 2565484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2566484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2567967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual SkFontStyleSet* onMatchFamily(const char familyName[]) const SK_OVERRIDE { 2568484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com if (NULL == familyName) { 2569484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com familyName = ""; // do we need this check??? 2570484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2571484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com LOGFONT lf; 2572484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com logfont_for_name(familyName, &lf); 2573a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com return SkNEW_ARGS(SkFontStyleSetGDI, (lf.lfFaceName)); 2574484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2575484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2576484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com virtual SkTypeface* onMatchFamilyStyle(const char familyName[], 2577967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org const SkFontStyle& fontstyle) const SK_OVERRIDE { 2578437eea160b2f605d9074106891288e85baaecfefreed@google.com // could be in base impl 2579484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com SkAutoTUnref<SkFontStyleSet> sset(this->matchFamily(familyName)); 2580484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return sset->matchStyle(fontstyle); 2581484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2582484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2583484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com virtual SkTypeface* onMatchFaceStyle(const SkTypeface* familyMember, 2584967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org const SkFontStyle& fontstyle) const SK_OVERRIDE { 2585437eea160b2f605d9074106891288e85baaecfefreed@google.com // could be in base impl 2586484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com SkString familyName; 2587484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com ((LogFontTypeface*)familyMember)->getFamilyName(&familyName); 2588484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return this->matchFamilyStyle(familyName.c_str(), fontstyle); 2589484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2590484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 2591967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual SkTypeface* onCreateFromStream(SkStream* stream, int ttcIndex) const SK_OVERRIDE { 2592437eea160b2f605d9074106891288e85baaecfefreed@google.com return create_from_stream(stream); 2593484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2594437eea160b2f605d9074106891288e85baaecfefreed@google.com 2595967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const SK_OVERRIDE { 2596437eea160b2f605d9074106891288e85baaecfefreed@google.com // could be in base impl 2597437eea160b2f605d9074106891288e85baaecfefreed@google.com SkAutoTUnref<SkStream> stream(SkNEW_ARGS(SkMemoryStream, (data))); 2598437eea160b2f605d9074106891288e85baaecfefreed@google.com return this->createFromStream(stream); 2599484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2600437eea160b2f605d9074106891288e85baaecfefreed@google.com 2601967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org virtual SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERRIDE { 2602437eea160b2f605d9074106891288e85baaecfefreed@google.com // could be in base impl 2603437eea160b2f605d9074106891288e85baaecfefreed@google.com SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path)); 2604437eea160b2f605d9074106891288e85baaecfefreed@google.com return this->createFromStream(stream); 2605484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com } 2606484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com 260730ddd615c447fed73286151b463af20d309c85f1reed@google.com virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], 2608967dee32ef540b7c0fed6d0cd518d42b9b345c78commit-bot@chromium.org unsigned styleBits) const SK_OVERRIDE { 2609f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com LOGFONT lf; 2610f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com if (NULL == familyName) { 2611f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com lf = get_default_font(); 2612f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com } else { 2613f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com logfont_for_name(familyName, &lf); 2614f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com } 2615f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com setStyle(&lf, (SkTypeface::Style)styleBits); 2616f7159bba8efc13f6b3a9a86e92b48451b6aa8073bungeman@google.com return SkCreateTypefaceFromLOGFONT(lf); 261730ddd615c447fed73286151b463af20d309c85f1reed@google.com } 261830ddd615c447fed73286151b463af20d309c85f1reed@google.com 2619484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.comprivate: 2620a65a681d43a8e9f5d8726a389832e957b07ee16breed@google.com SkTDArray<ENUMLOGFONTEX> fLogFontArray; 2621484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com}; 2622070da5edcb1c6e9b9507f06a5e2c270e1c1fd796reed@google.com 262330ddd615c447fed73286151b463af20d309c85f1reed@google.com/////////////////////////////////////////////////////////////////////////////// 262430ddd615c447fed73286151b463af20d309c85f1reed@google.com 2625bfc6cc4b6c41e99d3887d268fbf798aa3abc9a27bungeman@google.comSkFontMgr* SkFontMgr_New_GDI() { 2626484f5bcf07c965e84cf021a6272aff73e2d7c1ecreed@google.com return SkNEW(SkFontMgrGDI); 2627070da5edcb1c6e9b9507f06a5e2c270e1c1fd796reed@google.com} 2628