SkFontHost_win.cpp revision a767fa06ca28be9df1ff6e08a299e0bec839a2dc
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 9ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 10ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkString.h" 11ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkEndian.h" 12ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkFontHost.h" 13ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkDescriptor.h" 14ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkAdvancedTypefaceMetrics.h" 15ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkStream.h" 16ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkThread.h" 17ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkTypeface_win.h" 1859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com#include "SkTypefaceCache.h" 19ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkUtils.h" 20ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 21ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#ifdef WIN32 22ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "windows.h" 23ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "tchar.h" 24ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "Usp10.h" 25ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 26a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// define this in your Makefile or .gyp to enforce AA requests 27a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// which GDI ignores at small sizes. This flag guarantees AA 28a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// for rotated text, regardless of GDI's notions. 29a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com//#define SK_ENFORCE_ROTATED_TEXT_AA_ON_WINDOWS 30a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 31ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com// client3d has to undefine this for now 32ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#define CAN_USE_LOGFONT_NAME 33ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 3482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.comstatic bool isLCD(const SkScalerContext::Rec& rec) { 3582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return SkMask::kLCD16_Format == rec.fMaskFormat || 3682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SkMask::kLCD32_Format == rec.fMaskFormat; 3782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com} 3882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 39a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.comstatic bool bothZero(SkScalar a, SkScalar b) { 40a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return 0 == a && 0 == b; 41a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com} 42a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 43a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com// returns false if there is any non-90-rotation or skew 44a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.comstatic bool isAxisAligned(const SkScalerContext::Rec& rec) { 45a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return 0 == rec.fPreSkewX && 46a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com (bothZero(rec.fPost2x2[0][1], rec.fPost2x2[1][0]) || 47a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com bothZero(rec.fPost2x2[0][0], rec.fPost2x2[1][1])); 48a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com} 49a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 50a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.comstatic bool needToRenderWithSkia(const SkScalerContext::Rec& rec) { 51a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com#ifdef SK_ENFORCE_ROTATED_TEXT_AA_ON_WINDOWS 52a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // What we really want to catch is when GDI will ignore the AA request and give 53a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // us BW instead. Smallish rotated text is one heuristic, so this code is just 54a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // an approximation. We shouldn't need to do this for larger sizes, but at those 55a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // sizes, the quality difference gets less and less between our general 56a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // scanconverter and GDI's. 57a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com if (SkMask::kA8_Format == rec.fMaskFormat && !isAxisAligned(rec)) { 58a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return true; 59a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com } 60a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com#endif 61a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com // false means allow GDI to generate the bits 62a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com return false; 63a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com} 64a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 65ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comusing namespace skia_advanced_typeface_metrics_utils; 66ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 67ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic const uint16_t BUFFERSIZE = (16384 - 32); 68ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic uint8_t glyphbuf[BUFFERSIZE]; 69ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 70ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com// Give 1MB font cache budget 71ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#define FONT_CACHE_MEMORY_BUDGET (1024 * 1024) 72ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 73ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com/** 745aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org * Since LOGFONT wants its textsize as an int, and we support fractional sizes, 75ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com * and since we have a cache of LOGFONTs for our tyepfaces, we always set the 76ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com * lfHeight to a canonical size, and then we use the 2x2 matrix to achieve the 77ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com * actual requested size. 78ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com */ 79ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic const int gCanonicalTextSize = 64; 80ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 81ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic void make_canonical(LOGFONT* lf) { 825aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org lf->lfHeight = -gCanonicalTextSize; 8359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfQuality = CLEARTYPE_QUALITY;//PROOF_QUALITY; 8459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfCharSet = DEFAULT_CHARSET; 8582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com// lf->lfClipPrecision = 64; 8659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 8759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 8859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic SkTypeface::Style getStyle(const LOGFONT& lf) { 8959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com unsigned style = 0; 9059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com if (lf.lfWeight >= FW_BOLD) { 9159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com style |= SkTypeface::kBold; 9259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 9359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com if (lf.lfItalic) { 9459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com style |= SkTypeface::kItalic; 9559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 9659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return (SkTypeface::Style)style; 9759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 9859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 9959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic void setStyle(LOGFONT* lf, SkTypeface::Style style) { 10059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfWeight = (style & SkTypeface::kBold) != 0 ? FW_BOLD : FW_NORMAL ; 10159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf->lfItalic = ((style & SkTypeface::kItalic) != 0); 102ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 103ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 104ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic inline FIXED SkFixedToFIXED(SkFixed x) { 105ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return *(FIXED*)(&x); 106ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 107ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 108ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic inline FIXED SkScalarToFIXED(SkScalar x) { 109ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkFixedToFIXED(SkScalarToFixed(x)); 110ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 111ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 112ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic unsigned calculateGlyphCount(HDC hdc) { 113ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // The 'maxp' table stores the number of glyphs at offset 4, in 2 bytes. 114f4c2622a1a3489988f2d85a81fdc132b17a92bddctguil@chromium.org const DWORD maxpTag = 115f4c2622a1a3489988f2d85a81fdc132b17a92bddctguil@chromium.org SkEndian_SwapBE32(SkSetFourByteTag('m', 'a', 'x', 'p')); 116ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint16_t glyphs; 117ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GetFontData(hdc, maxpTag, 4, &glyphs, sizeof(glyphs)) != GDI_ERROR) { 118ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkEndian_SwapBE16(glyphs); 119ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 1205aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org 121ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Binary search for glyph count. 122ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com static const MAT2 mat2 = {{0, 1}, {0, 0}, {0, 0}, {0, 1}}; 123ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int32_t max = SK_MaxU16 + 1; 124ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int32_t min = 0; 125ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 126ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com while (min < max) { 127ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int32_t mid = min + ((max - min) / 2); 128ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GetGlyphOutlineW(hdc, mid, GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, 129ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com NULL, &mat2) == GDI_ERROR) { 130ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com max = mid; 131ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 132ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com min = mid + 1; 133ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 134ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 135ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(min == max); 136ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return min; 137ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 138ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 139ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic SkTypeface::Style GetFontStyle(const LOGFONT& lf) { 140ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int style = SkTypeface::kNormal; 141ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (lf.lfWeight == FW_SEMIBOLD || lf.lfWeight == FW_DEMIBOLD || lf.lfWeight == FW_BOLD) 142ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com style |= SkTypeface::kBold; 143ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (lf.lfItalic) 144ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com style |= SkTypeface::kItalic; 145ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 146ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return (SkTypeface::Style)style; 147ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 148ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 149ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comclass LogFontTypeface : public SkTypeface { 150ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.compublic: 15159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LogFontTypeface(SkTypeface::Style style, SkFontID fontID, const LOGFONT& lf) : 15259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com SkTypeface(style, fontID, false), fLogFont(lf) {} 153ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 15459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT fLogFont; 155ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 15659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com static LogFontTypeface* Create(const LOGFONT& lf) { 15759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com SkTypeface::Style style = GetFontStyle(lf); 15859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com SkFontID fontID = SkTypefaceCache::NewFontID(); 15959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return new LogFontTypeface(style, fontID, lf); 160ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 161ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com}; 162ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 163ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic const LOGFONT& get_default_font() { 164ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com static LOGFONT gDefaultFont; 165ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return gDefaultFont; 166ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 167ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 16859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic bool FindByLogFont(SkTypeface* face, SkTypeface::Style requestedStyle, void* ctx) { 16959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LogFontTypeface* lface = reinterpret_cast<LogFontTypeface*>(face); 17059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com const LOGFONT* lf = reinterpret_cast<const LOGFONT*>(ctx); 171ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 17259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return getStyle(lface->fLogFont) == requestedStyle && 17359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com !memcmp(&lface->fLogFont, lf, sizeof(LOGFONT)); 17459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 17559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 17659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com/** 17759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com * This guy is public. It first searches the cache, and if a match is not found, 17859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com * it creates a new face. 17959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com */ 18059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comSkTypeface* SkCreateTypefaceFromLOGFONT(const LOGFONT& origLF) { 18159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT lf = origLF; 18259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com make_canonical(&lf); 18359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com SkTypeface* face = SkTypefaceCache::FindByProc(FindByLogFont, &lf); 18459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com if (face) { 18559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com face->ref(); 186ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 18759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com face = LogFontTypeface::Create(lf); 18859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com SkTypefaceCache::Add(face, getStyle(lf)); 18959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 19059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return face; 191ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 192ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 193db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com/** 194db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com * This guy is public 195db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com */ 196db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.comvoid SkLOGFONTFromTypeface(const SkTypeface* face, LOGFONT* lf) { 197db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com if (NULL == face) { 198db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com *lf = get_default_font(); 199db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com } else { 200db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com *lf = ((const LogFontTypeface*)face)->fLogFont; 201db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com } 202db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com} 203db77a6a9a9bef7033aca9dffa99d52be1f51f8d9reed@google.com 2047d26c590f6bc431a5ecf5c25619b64d058613a4dreed@google.comSkFontID SkFontHost::NextLogicalFont(SkFontID currFontID, SkFontID origFontID) { 205ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Zero means that we don't have any fallback fonts for this fontID. 206ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // This function is implemented on Android, but doesn't have much 207ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // meaning here. 208ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return 0; 209ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 210ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 21159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic void GetLogFontByID(SkFontID fontID, LOGFONT* lf) { 21259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LogFontTypeface* face = (LogFontTypeface*)SkTypefaceCache::FindByID(fontID); 21359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com if (face) { 21459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com *lf = face->fLogFont; 21559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } else { 21659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com sk_bzero(lf, sizeof(LOGFONT)); 21759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } 21859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com} 21959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 2206744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// Construct Glyph to Unicode table. 2216744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// Unicode code points that require conjugate pairs in utf16 are not 2226744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// supported. 2236744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// TODO(arthurhsu): Add support for conjugate pairs. It looks like that may 2246744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// require parsing the TTF cmap table (platform 4, encoding 12) directly instead 2256744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org// of calling GetFontUnicodeRange(). 2266744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.orgstatic void populate_glyph_to_unicode(HDC fontHdc, const unsigned glyphCount, 2276744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkTDArray<SkUnichar>* glyphToUnicode) { 2286744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org DWORD glyphSetBufferSize = GetFontUnicodeRanges(fontHdc, NULL); 2296744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (!glyphSetBufferSize) { 2306744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org return; 2316744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 2326744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 2336744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkAutoTDeleteArray<BYTE> glyphSetBuffer(new BYTE[glyphSetBufferSize]); 2346744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org GLYPHSET* glyphSet = 2356744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org reinterpret_cast<LPGLYPHSET>(glyphSetBuffer.get()); 2366744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (GetFontUnicodeRanges(fontHdc, glyphSet) != glyphSetBufferSize) { 2376744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org return; 2386744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 2396744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 2406744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org glyphToUnicode->setCount(glyphCount); 2416744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org memset(glyphToUnicode->begin(), 0, glyphCount * sizeof(SkUnichar)); 2426744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org for (DWORD i = 0; i < glyphSet->cRanges; ++i) { 2436744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // There is no guarantee that within a Unicode range, the corresponding 2446744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // glyph id in a font file are continuous. So, even if we have ranges, 2456744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // we can't just use the first and last entry of the range to compute 2466744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // result. We need to enumerate them one by one. 2476744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org int count = glyphSet->ranges[i].cGlyphs; 2486744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkAutoTArray<WCHAR> chars(count + 1); 2496744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org chars[count] = 0; // termintate string 2506744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org SkAutoTArray<WORD> glyph(count); 2516744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org for (USHORT j = 0; j < count; ++j) { 2526744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org chars[j] = glyphSet->ranges[i].wcLow + j; 2536744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 2546744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org GetGlyphIndicesW(fontHdc, chars.get(), count, glyph.get(), 2556744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org GGI_MARK_NONEXISTING_GLYPHS); 2566744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // If the glyph ID is valid, and the glyph is not mapped, then we will 2576744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // fill in the char id into the vector. If the glyph is mapped already, 2586744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // skip it. 2596744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // TODO(arthurhsu): better improve this. e.g. Get all used char ids from 2606744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // font cache, then generate this mapping table from there. It's 2616744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // unlikely to have collisions since glyph reuse happens mostly for 2626744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org // different Unicode pages. 2636744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org for (USHORT j = 0; j < count; ++j) { 2646744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (glyph[j] != 0xffff && glyph[j] < glyphCount && 2656744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org (*glyphToUnicode)[glyph[j]] == 0) { 2666744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org (*glyphToUnicode)[glyph[j]] = chars[j]; 2676744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 2686744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 2696744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 2706744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org} 2716744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 27259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com////////////////////////////////////////////////////////////////////////////////////////////// 27359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 274ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comclass SkScalerContext_Windows : public SkScalerContext { 275ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.compublic: 276ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkScalerContext_Windows(const SkDescriptor* desc); 277ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual ~SkScalerContext_Windows(); 278ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 279ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comprotected: 280ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual unsigned generateGlyphCount(); 281ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual uint16_t generateCharToGlyph(SkUnichar uni); 282ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual void generateAdvance(SkGlyph* glyph); 283ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual void generateMetrics(SkGlyph* glyph); 284ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual void generateImage(const SkGlyph& glyph); 285ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual void generatePath(const SkGlyph& glyph, SkPath* path); 286ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com virtual void generateFontMetrics(SkPaint::FontMetrics* mX, SkPaint::FontMetrics* mY); 287ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com //virtual SkDeviceContext getDC() {return ddc;} 288ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comprivate: 2895aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org SkScalar fScale; // to get from canonical size to real size 290ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com MAT2 fMat22; 291ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com XFORM fXform; 292ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HDC fDDC; 293ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT fSavefont; 294ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT fFont; 295ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SCRIPT_CACHE fSC; 296ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int fGlyphCount; 2971dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 2981dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com HFONT fHiResFont; 2991dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com MAT2 fMat22Identity; 3001dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SkMatrix fHiResMatrix; 301ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com}; 302ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 303ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic float mul2float(SkScalar a, SkScalar b) { 304ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkScalarToFloat(SkScalarMul(a, b)); 305ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 306ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 307ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic FIXED float2FIXED(float x) { 308ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkFixedToFIXED(SkFloatToFixed(x)); 309ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 310ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 31159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.comstatic SkMutex gFTMutex; 31259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com 3131dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com#define HIRES_TEXTSIZE 2048 3141dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com#define HIRES_SHIFT 11 3151dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.comstatic inline SkFixed HiResToFixed(int value) { 3161dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com return value << (16 - HIRES_SHIFT); 3171dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com} 3181dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 3191dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.comstatic bool needHiResMetrics(const SkScalar mat[2][2]) { 3201dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com return mat[1][0] || mat[0][1]; 3211dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com} 3221dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 32382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.comstatic BYTE compute_quality(const SkScalerContext::Rec& rec) { 32482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com switch (rec.fMaskFormat) { 32582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com case SkMask::kBW_Format: 32682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return NONANTIALIASED_QUALITY; 32782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com case SkMask::kLCD16_Format: 32882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com case SkMask::kLCD32_Format: 32982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return CLEARTYPE_QUALITY; 33082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com default: 33182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return ANTIALIASED_QUALITY; 33282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } 33382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com} 33482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 335ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkScalerContext_Windows::SkScalerContext_Windows(const SkDescriptor* desc) 336ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com : SkScalerContext(desc), fDDC(0), fFont(0), fSavefont(0), fSC(0) 337ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com , fGlyphCount(-1) { 338ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAutoMutexAcquire ac(gFTMutex); 339ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 3405aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org fScale = fRec.fTextSize / gCanonicalTextSize; 341ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 342ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fXform.eM11 = mul2float(fScale, fRec.fPost2x2[0][0]); 343ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fXform.eM12 = mul2float(fScale, fRec.fPost2x2[1][0]); 344ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fXform.eM21 = mul2float(fScale, fRec.fPost2x2[0][1]); 345ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fXform.eM22 = mul2float(fScale, fRec.fPost2x2[1][1]); 346ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fXform.eDx = 0; 347ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fXform.eDy = 0; 348ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 349ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fMat22.eM11 = float2FIXED(fXform.eM11); 350ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fMat22.eM12 = float2FIXED(fXform.eM12); 351ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fMat22.eM21 = float2FIXED(-fXform.eM21); 352ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fMat22.eM22 = float2FIXED(-fXform.eM22); 353ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 354ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fDDC = ::CreateCompatibleDC(NULL); 3551dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SetGraphicsMode(fDDC, GM_ADVANCED); 356ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SetBkMode(fDDC, TRANSPARENT); 357ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 358ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Scaling by the DPI is inconsistent with how Skia draws elsewhere 359ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com //SkScalar height = -(fRec.fTextSize * GetDeviceCaps(ddc, LOGPIXELSY) / 72); 36059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT lf; 36159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com GetLogFontByID(fRec.fFontID, &lf); 362ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com lf.lfHeight = -gCanonicalTextSize; 36382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com lf.lfQuality = compute_quality(fRec); 364ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fFont = CreateFontIndirect(&lf); 3651dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 3661dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com // if we're rotated, or want fractional widths, create a hires font 3671dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fHiResFont = 0; 3681dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com if (needHiResMetrics(fRec.fPost2x2) || (fRec.fFlags & kSubpixelPositioning_Flag)) { 3691dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com lf.lfHeight = -HIRES_TEXTSIZE; 3701dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fHiResFont = CreateFontIndirect(&lf); 3711dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 3721dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fMat22Identity.eM11 = fMat22Identity.eM22 = SkFixedToFIXED(SK_Fixed1); 3731dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fMat22Identity.eM12 = fMat22Identity.eM21 = SkFixedToFIXED(0); 3741dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 3751dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com // construct a matrix to go from HIRES logical units to our device units 3761dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fRec.getSingleMatrix(&fHiResMatrix); 3771dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SkScalar scale = SkScalarInvert(SkIntToScalar(HIRES_TEXTSIZE)); 3781dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fHiResMatrix.preScale(scale, scale); 3791dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com } 380ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fSavefont = (HFONT)SelectObject(fDDC, fFont); 381a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com 382a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com if (needToRenderWithSkia(fRec)) { 383a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com this->forceGenerateImageFromPath(); 384a767fa06ca28be9df1ff6e08a299e0bec839a2dcreed@google.com } 385ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 386ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 387ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkScalerContext_Windows::~SkScalerContext_Windows() { 388ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fDDC) { 389ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::SelectObject(fDDC, fSavefont); 390ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::DeleteDC(fDDC); 391ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 392ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fFont) { 393ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::DeleteObject(fFont); 394ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 3951dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com if (fHiResFont) { 3961dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com ::DeleteObject(fHiResFont); 3971dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com } 398ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fSC) { 399ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ::ScriptFreeCache(&fSC); 400ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 401ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 402ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 403ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comunsigned SkScalerContext_Windows::generateGlyphCount() { 404ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (fGlyphCount < 0) { 405ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fGlyphCount = calculateGlyphCount(fDDC); 406ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 407ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return fGlyphCount; 408ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 409ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 410ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comuint16_t SkScalerContext_Windows::generateCharToGlyph(SkUnichar uni) { 411ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint16_t index = 0; 412ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com WCHAR c[2]; 413ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // TODO(ctguil): Support characters that generate more than one glyph. 414ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (SkUTF16_FromUnichar(uni, (uint16_t*)c) == 1) { 415ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Type1 fonts fail with uniscribe API. Use GetGlyphIndices for plane 0. 416ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAssertResult(GetGlyphIndicesW(fDDC, c, 1, &index, 0)); 417ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 418ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Use uniscribe to detemine glyph index for non-BMP characters. 419ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Need to add extra item to SCRIPT_ITEM to work around a bug in older 420ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // windows versions. https://bugzilla.mozilla.org/show_bug.cgi?id=366643 421ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SCRIPT_ITEM si[2 + 1]; 422ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int items; 423ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAssertResult( 424ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SUCCEEDED(ScriptItemize(c, 2, 2, NULL, NULL, si, &items))); 425ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 426ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com WORD log[2]; 427ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SCRIPT_VISATTR vsa; 428ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int glyphs; 429ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAssertResult(SUCCEEDED(ScriptShape( 430ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com fDDC, &fSC, c, 2, 1, &si[0].a, &index, log, &vsa, &glyphs))); 431ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 432ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return index; 433ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 434ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 435ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkScalerContext_Windows::generateAdvance(SkGlyph* glyph) { 436ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com this->generateMetrics(glyph); 437ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 438ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 439ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkScalerContext_Windows::generateMetrics(SkGlyph* glyph) { 440ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 441ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 442ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 443ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 4441dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com sk_bzero(&gm, sizeof(gm)); 445ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 446ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fRsbDelta = 0; 447ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fLsbDelta = 0; 448ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 449ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Note: need to use GGO_GRAY8_BITMAP instead of GGO_METRICS because GGO_METRICS returns a smaller 450ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // BlackBlox; we need the bigger one in case we need the image. fAdvance is the same. 451ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint32_t ret = GetGlyphOutlineW(fDDC, glyph->getGlyphID(0), GGO_GRAY8_BITMAP | GGO_GLYPH_INDEX, &gm, 0, NULL, &fMat22); 452ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 453ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GDI_ERROR != ret) { 454ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (ret == 0) { 455ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // for white space, ret is zero and gmBlackBoxX, gmBlackBoxY are 1 incorrectly! 456ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com gm.gmBlackBoxX = gm.gmBlackBoxY = 0; 457ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 458ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fWidth = gm.gmBlackBoxX; 459ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fHeight = gm.gmBlackBoxY; 460ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fTop = SkToS16(gm.gmptGlyphOrigin.y - gm.gmBlackBoxY); 461ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fLeft = SkToS16(gm.gmptGlyphOrigin.x); 462ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fAdvanceX = SkIntToFixed(gm.gmCellIncX); 463ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fAdvanceY = -SkIntToFixed(gm.gmCellIncY); 464ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 46582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // we outset by 1 in all dimensions, since the image may bleed outside 466ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // of the computed bounds returned by GetGlyphOutline. 467ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // This was deduced by trial and error for small text (e.g. 8pt), so there 468ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // maybe a more precise way to make this adjustment... 46982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com glyph->fWidth += 2; 47082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com glyph->fHeight += 2; 47182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com glyph->fTop -= 1; 47282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com glyph->fLeft -= 1; 4731dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com 4741dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com if (fHiResFont) { 4751dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SelectObject(fDDC, fHiResFont); 4761dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com sk_bzero(&gm, sizeof(gm)); 4771dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com ret = GetGlyphOutlineW(fDDC, glyph->getGlyphID(0), GGO_METRICS | GGO_GLYPH_INDEX, &gm, 0, NULL, &fMat22Identity); 4781dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com if (GDI_ERROR != ret) { 4791dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SkPoint advance; 4801dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com fHiResMatrix.mapXY(SkIntToScalar(gm.gmCellIncX), SkIntToScalar(gm.gmCellIncY), &advance); 4811dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com glyph->fAdvanceX = SkScalarToFixed(advance.fX); 4821dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com glyph->fAdvanceY = SkScalarToFixed(advance.fY); 4831dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com } 4841dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com SelectObject(fDDC, fFont); 4851dd17a133f4fa5c5a0c752e6b9a6f7af6f329fb8reed@google.com } 486ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 487ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com glyph->fWidth = 0; 488ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 489ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 490ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 491ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkScalerContext_Windows::generateFontMetrics(SkPaint::FontMetrics* mx, SkPaint::FontMetrics* my) { 492ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com// Note: This code was borrowed from generateLineHeight, which has a note 493ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com// stating that it may be incorrect. 494ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (!(mx || my)) 495ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return; 496ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 497ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 498ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 499ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com OUTLINETEXTMETRIC otm; 500ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 501ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint32_t ret = GetOutlineTextMetrics(fDDC, sizeof(otm), &otm); 502ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (sizeof(otm) != ret) { 503ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return; 504ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 505ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 506ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (mx) { 507ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com mx->fTop = -fScale * otm.otmTextMetrics.tmAscent; 5085aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org mx->fAscent = -fScale * otm.otmAscent; 5095aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org mx->fDescent = -fScale * otm.otmDescent; 5105aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org mx->fBottom = fScale * otm.otmTextMetrics.tmDescent; 5115aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org mx->fLeading = fScale * (otm.otmTextMetrics.tmInternalLeading 5125aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org + otm.otmTextMetrics.tmExternalLeading); 513ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 514ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 515ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (my) { 5165aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org my->fTop = -fScale * otm.otmTextMetrics.tmAscent; 5175aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org my->fAscent = -fScale * otm.otmAscent; 5185aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org my->fDescent = -fScale * otm.otmDescent; 5195aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org my->fBottom = fScale * otm.otmTextMetrics.tmDescent; 5205aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org my->fLeading = fScale * (otm.otmTextMetrics.tmInternalLeading 5215aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org + otm.otmTextMetrics.tmExternalLeading); 522ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 523ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 524ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 525ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#include "SkColorPriv.h" 526ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 52782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.comstatic inline uint8_t rgb_to_a8(uint32_t rgb) { 52882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // can pick any component, since we're grayscale 52982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com int r = (rgb >> 16) & 0xFF; 53082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // invert, since we draw black-on-white, but we want the original 53182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // src mask values. 53282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com return 255 - r; 53382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com} 53482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 535ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic inline uint16_t rgb_to_lcd16(uint32_t rgb) { 536ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int r = (rgb >> 16) & 0xFF; 537ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int g = (rgb >> 8) & 0xFF; 538ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int b = (rgb >> 0) & 0xFF; 539ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 540ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // invert, since we draw black-on-white, but we want the original 541ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // src mask values. 542ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com r = 255 - r; 543ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com g = 255 - g; 544ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com b = 255 - b; 545ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkPackRGB16(SkR32ToR16(r), SkG32ToG16(g), SkB32ToB16(b)); 546ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 547ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 5486271117d826098c1399cf7442f8eea2d665cb78areed@google.comstatic int alignTo32(int n) { 5496271117d826098c1399cf7442f8eea2d665cb78areed@google.com return (n + 31) & ~31; 5506271117d826098c1399cf7442f8eea2d665cb78areed@google.com} 5516271117d826098c1399cf7442f8eea2d665cb78areed@google.com 5526271117d826098c1399cf7442f8eea2d665cb78areed@google.comstruct MyBitmapInfo : public BITMAPINFO { 5536271117d826098c1399cf7442f8eea2d665cb78areed@google.com RGBQUAD fMoreSpaceForColors[1]; 5546271117d826098c1399cf7442f8eea2d665cb78areed@google.com}; 5556271117d826098c1399cf7442f8eea2d665cb78areed@google.com 556ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkScalerContext_Windows::generateImage(const SkGlyph& glyph) { 557ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 558ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAutoMutexAcquire ac(gFTMutex); 559ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 560ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 561ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 5626271117d826098c1399cf7442f8eea2d665cb78areed@google.com const bool isBW = SkMask::kBW_Format == fRec.fMaskFormat; 56382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com const bool isAA = !isLCD(fRec); 56482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com HDC dc = CreateCompatibleDC(0); 56582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com void* bits = 0; 56682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com int biWidth = isBW ? alignTo32(glyph.fWidth) : glyph.fWidth; 56782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 56882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com MyBitmapInfo info; 56982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com sk_bzero(&info, sizeof(info)); 57082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com if (isBW) { 57182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com RGBQUAD blackQuad = { 0, 0, 0, 0 }; 57282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com RGBQUAD whiteQuad = { 0xFF, 0xFF, 0xFF, 0 }; 57382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiColors[0] = blackQuad; 57482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiColors[1] = whiteQuad; 57582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } 57682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biSize = sizeof(info.bmiHeader); 57782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biWidth = biWidth; 57882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biHeight = glyph.fHeight; 57982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biPlanes = 1; 58082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biBitCount = isBW ? 1 : 32; 58182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biCompression = BI_RGB; 58282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com if (isBW) { 58382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com info.bmiHeader.biClrUsed = 2; 58482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } 58582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com HBITMAP bm = CreateDIBSection(dc, &info, DIB_RGB_COLORS, &bits, 0, 0); 58682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SelectObject(dc, bm); 58782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 58882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // erase to white 58982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com size_t srcRB = isBW ? (biWidth >> 3) : (glyph.fWidth << 2); 59082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com size_t size = glyph.fHeight * srcRB; 59182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com memset(bits, isBW ? 0 : 0xFF, size); 59282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 59382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SetGraphicsMode(dc, GM_ADVANCED); 59482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SetBkMode(dc, TRANSPARENT); 59582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SetTextAlign(dc, TA_LEFT | TA_BASELINE); 59682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 59782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com XFORM xform = fXform; 59882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com xform.eDx = (float)-glyph.fLeft; 59982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com xform.eDy = (float)-glyph.fTop; 60082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SetWorldTransform(dc, &xform); 60182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 60282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com HGDIOBJ prevFont = SelectObject(dc, fFont); 60382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com COLORREF color = SetTextColor(dc, isBW ? 0xFFFFFF : 0); 60482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com SkASSERT(color != CLR_INVALID); 60582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com uint16_t glyphID = glyph.getGlyphID(); 606c8ad63e5e42637c65c6b4e0adfacce55730b722dbsalomon@google.com#if defined(UNICODE) 60782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com ExtTextOut(dc, 0, 0, ETO_GLYPH_INDEX, NULL, (LPCWSTR)&glyphID, 1, NULL); 608c8ad63e5e42637c65c6b4e0adfacce55730b722dbsalomon@google.com#else 60982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com ExtTextOut(dc, 0, 0, ETO_GLYPH_INDEX, NULL, (LPCSTR)&glyphID, 1, NULL); 610c8ad63e5e42637c65c6b4e0adfacce55730b722dbsalomon@google.com#endif 61182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com GdiFlush(); 61282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 61382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // downsample from rgba to rgb565 61482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com int width = glyph.fWidth; 61582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com size_t dstRB = glyph.rowBytes(); 61682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com if (isBW) { 61782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com const uint8_t* src = (const uint8_t*)bits; 61882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // gdi's bitmap is upside-down, so we reverse dst walking in Y 61982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com uint8_t* dst = (uint8_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 62082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com for (int y = 0; y < glyph.fHeight; y++) { 62182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com memcpy(dst, src, dstRB); 62282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com src += srcRB; 62382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com dst -= dstRB; 624ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 62582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } else if (isAA) { 62682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com const uint32_t* src = (const uint32_t*)bits; 62782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // gdi's bitmap is upside-down, so we reverse dst walking in Y 62882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com uint8_t* dst = (uint8_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 62982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com for (int y = 0; y < glyph.fHeight; y++) { 63082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com for (int i = 0; i < width; i++) { 63182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com dst[i] = rgb_to_a8(src[i]); 63282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } 63382a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com src = (const uint32_t*)((const char*)src + srcRB); 63482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com dst -= dstRB; 635e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com } 63682a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com } else { // LCD16 63782a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com const uint32_t* src = (const uint32_t*)bits; 63882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com // gdi's bitmap is upside-down, so we reverse dst walking in Y 63982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com uint16_t* dst = (uint16_t*)((char*)glyph.fImage + (glyph.fHeight - 1) * dstRB); 64082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com for (int y = 0; y < glyph.fHeight; y++) { 64182a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com for (int i = 0; i < width; i++) { 64282a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com dst[i] = rgb_to_lcd16(src[i]); 643ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 64482a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com src = (const uint32_t*)((const char*)src + srcRB); 64582a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com dst = (uint16_t*)((char*)dst - dstRB); 646ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 647ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 64882a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com 64982a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com DeleteDC(dc); 65082a34d83f646d069ef2d1d7b649d0a0b1829d62freed@google.com DeleteObject(bm); 651ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 652ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 653ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkScalerContext_Windows::generatePath(const SkGlyph& glyph, SkPath* path) { 654ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 655ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAutoMutexAcquire ac(gFTMutex); 656ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 657ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(&glyph && path); 658ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(fDDC); 659ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 660ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com path->reset(); 661ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 662ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#if 0 663ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com char buf[1024]; 664ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com sprintf(buf, "generatePath: id:%d, w=%d, h=%d, font:%s,fh:%d\n", glyph.fID, glyph.fWidth, glyph.fHeight, lf.lfFaceName, lf.lfHeight); 665ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com OutputDebugString(buf); 666ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#endif 667ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 668ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 669ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com uint32_t total_size = GetGlyphOutlineW(fDDC, glyph.fID, GGO_NATIVE | GGO_GLYPH_INDEX, &gm, BUFFERSIZE, glyphbuf, &fMat22); 670ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 671ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GDI_ERROR != total_size) { 672ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 673ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const uint8_t* cur_glyph = glyphbuf; 674ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const uint8_t* end_glyph = glyphbuf + total_size; 675ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 676ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com while(cur_glyph < end_glyph) { 677ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const TTPOLYGONHEADER* th = (TTPOLYGONHEADER*)cur_glyph; 678ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 679ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const uint8_t* end_poly = cur_glyph + th->cb; 680ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const uint8_t* cur_poly = cur_glyph + sizeof(TTPOLYGONHEADER); 681ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 682ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com path->moveTo(SkFixedToScalar(*(SkFixed*)(&th->pfxStart.x)), SkFixedToScalar(*(SkFixed*)(&th->pfxStart.y))); 683ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 684ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com while(cur_poly < end_poly) { 685ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const TTPOLYCURVE* pc = (const TTPOLYCURVE*)cur_poly; 686ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 687ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (pc->wType == TT_PRIM_LINE) { 688ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com for (uint16_t i = 0; i < pc->cpfx; i++) { 689ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com path->lineTo(SkFixedToScalar(*(SkFixed*)(&pc->apfx[i].x)), SkFixedToScalar(*(SkFixed*)(&pc->apfx[i].y))); 690ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 691ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 692ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 693ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (pc->wType == TT_PRIM_QSPLINE) { 694ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com for (uint16_t u = 0; u < pc->cpfx - 1; u++) { // Walk through points in spline 695ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com POINTFX pnt_b = pc->apfx[u]; // B is always the current point 696ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com POINTFX pnt_c = pc->apfx[u+1]; 697ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 698ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (u < pc->cpfx - 2) { // If not on last spline, compute C 699ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com pnt_c.x = SkFixedToFIXED(SkFixedAve(*(SkFixed*)(&pnt_b.x), *(SkFixed*)(&pnt_c.x))); 700ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com pnt_c.y = SkFixedToFIXED(SkFixedAve(*(SkFixed*)(&pnt_b.y), *(SkFixed*)(&pnt_c.y))); 701ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 702ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 703ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com path->quadTo(SkFixedToScalar(*(SkFixed*)(&pnt_b.x)), SkFixedToScalar(*(SkFixed*)(&pnt_b.y)), SkFixedToScalar(*(SkFixed*)(&pnt_c.x)), SkFixedToScalar(*(SkFixed*)(&pnt_c.y))); 704ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 705ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 706ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com cur_poly += sizeof(uint16_t) * 2 + sizeof(POINTFX) * pc->cpfx; 707ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 708ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com cur_glyph += th->cb; 709ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com path->close(); 710ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 711ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 712ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com else { 713ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(false); 714ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 715ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com //char buf[1024]; 716ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com //sprintf(buf, "generatePath: count:%d\n", count); 717ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com //OutputDebugString(buf); 718ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 719ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 720ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkFontHost::Serialize(const SkTypeface* face, SkWStream* stream) { 721ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(!"SkFontHost::Serialize unimplemented"); 722ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 723ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 724ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkTypeface* SkFontHost::Deserialize(SkStream* stream) { 725ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(!"SkFontHost::Deserialize unimplemented"); 726ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return NULL; 727ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 728ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 729ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comstatic bool getWidthAdvance(HDC hdc, int gId, int16_t* advance) { 730ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Initialize the MAT2 structure to the identify transformation matrix. 731ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com static const MAT2 mat2 = {SkScalarToFIXED(1), SkScalarToFIXED(0), 732ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkScalarToFIXED(0), SkScalarToFIXED(1)}; 733ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int flags = GGO_METRICS | GGO_GLYPH_INDEX; 734ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com GLYPHMETRICS gm; 735ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GDI_ERROR == GetGlyphOutline(hdc, gId, flags, &gm, 0, NULL, &mat2)) { 736ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return false; 737ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 738ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(advance); 739ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com *advance = gm.gmCellIncX; 740ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return true; 741ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 742ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 743ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com// static 744ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics( 745325cb9aa17b94258b362082eb3a799524f4345f3vandebo@chromium.org uint32_t fontID, 746325cb9aa17b94258b362082eb3a799524f4345f3vandebo@chromium.org SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) { 74759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT lf; 74859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com GetLogFontByID(fontID, &lf); 749ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkAdvancedTypefaceMetrics* info = NULL; 750ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 751ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HDC hdc = CreateCompatibleDC(NULL); 752ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT font = CreateFontIndirect(&lf); 753ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 754ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT designFont = NULL; 755ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 756ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // To request design units, create a logical font whose height is specified 757ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // as unitsPerEm. 758ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com OUTLINETEXTMETRIC otm; 759ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (!GetOutlineTextMetrics(hdc, sizeof(otm), &otm) || 760ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com !GetTextFace(hdc, LF_FACESIZE, lf.lfFaceName)) { 761ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com goto Error; 762ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 763ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com lf.lfHeight = -SkToS32(otm.otmEMSquare); 764ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com designFont = CreateFontIndirect(&lf); 765ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SelectObject(hdc, designFont); 766ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (!GetOutlineTextMetrics(hdc, sizeof(otm), &otm)) { 767ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com goto Error; 768ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 769ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const unsigned glyphCount = calculateGlyphCount(hdc); 770ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 771ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info = new SkAdvancedTypefaceMetrics; 772ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fEmSize = otm.otmEMSquare; 773ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fMultiMaster = false; 774ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fLastGlyphID = SkToU16(glyphCount - 1); 775ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle = 0; 776ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#ifdef UNICODE 777ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Get the buffer size needed first. 778ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com size_t str_len = WideCharToMultiByte(CP_UTF8, 0, lf.lfFaceName, -1, NULL, 779ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 0, NULL, NULL); 780ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Allocate a buffer (str_len already has terminating null accounted for). 781ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com char *familyName = new char[str_len]; 782ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Now actually convert the string. 783ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com WideCharToMultiByte(CP_UTF8, 0, lf.lfFaceName, -1, familyName, str_len, 784ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com NULL, NULL); 785ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fFontName.set(familyName); 786ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com delete [] familyName; 787ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#else 788ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fFontName.set(lf.lfFaceName); 789ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#endif 790ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 7916744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org if (perGlyphInfo & SkAdvancedTypefaceMetrics::kToUnicode_PerGlyphInfo) { 7926744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org populate_glyph_to_unicode(hdc, glyphCount, &(info->fGlyphToUnicode)); 7936744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org } 7946744d498fcbbbcf503ec80c4d43dd8f118a88597vandebo@chromium.org 795ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (otm.otmTextMetrics.tmPitchAndFamily & TMPF_TRUETYPE) { 796ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fType = SkAdvancedTypefaceMetrics::kTrueType_Font; 797ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 798ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fType = SkAdvancedTypefaceMetrics::kOther_Font; 799ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fItalicAngle = 0; 800ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fAscent = 0; 801ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fDescent = 0; 802ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStemV = 0; 803ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fCapHeight = 0; 804ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fBBox = SkIRect::MakeEmpty(); 805ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return info; 806ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 8075aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org 808ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // If this bit is clear the font is a fixed pitch font. 809ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (!(otm.otmTextMetrics.tmPitchAndFamily & TMPF_FIXED_PITCH)) { 810ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kFixedPitch_Style; 811ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 812ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (otm.otmTextMetrics.tmItalic) { 813ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kItalic_Style; 814ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 815ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Setting symbolic style by default for now. 816ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kSymbolic_Style; 817ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (otm.otmTextMetrics.tmPitchAndFamily & FF_ROMAN) { 818ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kSerif_Style; 819ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else if (otm.otmTextMetrics.tmPitchAndFamily & FF_SCRIPT) { 820ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStyle |= SkAdvancedTypefaceMetrics::kScript_Style; 821ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 822ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 823ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // The main italic angle of the font, in tenths of a degree counterclockwise 824ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // from vertical. 825ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fItalicAngle = otm.otmItalicAngle / 10; 826ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fAscent = SkToS16(otm.otmTextMetrics.tmAscent); 827ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fDescent = SkToS16(-otm.otmTextMetrics.tmDescent); 828ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // TODO(ctguil): Use alternate cap height calculation. 829ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // MSDN says otmsCapEmHeight is not support but it is returning a value on 830ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // my Win7 box. 831ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fCapHeight = otm.otmsCapEmHeight; 832ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fBBox = 833ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkIRect::MakeLTRB(otm.otmrcFontBox.left, otm.otmrcFontBox.top, 834ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com otm.otmrcFontBox.right, otm.otmrcFontBox.bottom); 835ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 836ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // Figure out a good guess for StemV - Min width of i, I, !, 1. 837ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // This probably isn't very good with an italic font. 838ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int16_t min_width = SHRT_MAX; 839ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStemV = 0; 840ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com char stem_chars[] = {'i', 'I', '!', '1'}; 841ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com for (size_t i = 0; i < SK_ARRAY_COUNT(stem_chars); i++) { 842ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com ABC abcWidths; 843ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (GetCharABCWidths(hdc, stem_chars[i], stem_chars[i], &abcWidths)) { 844ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com int16_t width = abcWidths.abcB; 845ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (width > 0 && width < min_width) { 846ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com min_width = width; 847ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fStemV = min_width; 848ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 849ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 850ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 851ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 852ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // If bit 1 is set, the font may not be embedded in a document. 853ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // If bit 1 is clear, the font can be embedded. 854ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com // If bit 2 is set, the embedding is read-only. 855ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (otm.otmfsType & 0x1) { 856ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com info->fType = SkAdvancedTypefaceMetrics::kNotEmbeddable_Font; 8570e6dc0a320985ffd31f77eed8a41e62132b9ba95ctguil@chromium.org } else if (perGlyphInfo & 8580e6dc0a320985ffd31f77eed8a41e62132b9ba95ctguil@chromium.org SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo) { 8595aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org if (info->fStyle & SkAdvancedTypefaceMetrics::kFixedPitch_Style) { 8605aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org appendRange(&info->fGlyphWidths, 0); 8615aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org info->fGlyphWidths->fAdvance.append(1, &min_width); 8625aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org finishRange(info->fGlyphWidths.get(), 0, 8635aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org SkAdvancedTypefaceMetrics::WidthRange::kDefault); 8645aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org } else { 8655aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org info->fGlyphWidths.reset( 8665aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org getAdvanceData(hdc, glyphCount, &getWidthAdvance)); 8675aa937b300475c956bfad0c34a6daa71d166f6factguil@chromium.org } 868ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 869ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 870ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comError: 871ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SelectObject(hdc, savefont); 872ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteObject(designFont); 873ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteObject(font); 874ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteDC(hdc); 875ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 876ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return info; 877ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 878ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 879ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream* stream) { 880ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 881ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com //Should not be used on Windows, keep linker happy 882ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkASSERT(false); 883ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkCreateTypefaceFromLOGFONT(get_default_font()); 884ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 885ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 886ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkStream* SkFontHost::OpenStream(SkFontID uniqueID) { 887f4c2622a1a3489988f2d85a81fdc132b17a92bddctguil@chromium.org const DWORD kTTCTag = 888f4c2622a1a3489988f2d85a81fdc132b17a92bddctguil@chromium.org SkEndian_SwapBE32(SkSetFourByteTag('t', 't', 'c', 'f')); 88959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT lf; 89059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com GetLogFontByID(uniqueID, &lf); 891ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 892ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HDC hdc = ::CreateCompatibleDC(NULL); 89359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com HFONT font = CreateFontIndirect(&lf); 894ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com HFONT savefont = (HFONT)SelectObject(hdc, font); 895ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 896d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org SkMemoryStream* stream = NULL; 897d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org DWORD tables[2] = {kTTCTag, 0}; 898d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org for (int i = 0; i < SK_ARRAY_COUNT(tables); i++) { 899d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org size_t bufferSize = GetFontData(hdc, tables[i], 0, NULL, 0); 900d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org if (bufferSize != GDI_ERROR) { 901d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org stream = new SkMemoryStream(bufferSize); 902d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org if (GetFontData(hdc, tables[i], 0, (void*)stream->getMemoryBase(), 903d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org bufferSize)) { 904d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org break; 905d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org } else { 906d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org delete stream; 907d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org stream = NULL; 908d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org } 909d604481f7a2587f5b400d2a0a68a6491a0d584c7vandebo@chromium.org } 910ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 911ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 912ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SelectObject(hdc, savefont); 913ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteObject(font); 914ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com DeleteDC(hdc); 915ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 916ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return stream; 917ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 918ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 919ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkScalerContext* SkFontHost::CreateScalerContext(const SkDescriptor* desc) { 920ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return SkNEW_ARGS(SkScalerContext_Windows, (desc)); 921ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 922ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 923ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com/** Return the closest matching typeface given either an existing family 924ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com (specified by a typeface in that family) or by a familyName, and a 925ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com requested style. 926ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1) If familyFace is null, use famillyName. 927ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 2) If famillyName is null, use familyFace. 928ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 3) If both are null, return the default font that best matches style 929ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com This MUST not return NULL. 930ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com */ 931ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 932ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkTypeface* SkFontHost::CreateTypeface(const SkTypeface* familyFace, 933ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const char familyName[], 934ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com const void* data, size_t bytelength, 935ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com SkTypeface::Style style) { 93659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LOGFONT lf; 937ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (NULL == familyFace && NULL == familyName) { 93859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf = get_default_font(); 93959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com } else if (familyFace) { 94059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com LogFontTypeface* face = (LogFontTypeface*)familyFace; 94159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf = face->fLogFont; 942ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } else { 94359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com memset(&lf, 0, sizeof(LOGFONT)); 944ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#ifdef UNICODE 94559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com // Get the buffer size needed first. 94659d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com size_t str_len = ::MultiByteToWideChar(CP_UTF8, 0, familyName, 94759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com -1, NULL, 0); 94859d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com // Allocate a buffer (str_len already has terminating null 94959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com // accounted for). 95059d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com wchar_t *wideFamilyName = new wchar_t[str_len]; 95159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com // Now actually convert the string. 95259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com ::MultiByteToWideChar(CP_UTF8, 0, familyName, -1, 95359d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com wideFamilyName, str_len); 95459d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com ::wcsncpy(lf.lfFaceName, wideFamilyName, LF_FACESIZE); 95559d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com delete [] wideFamilyName; 956ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#else 95759d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com ::strncpy(lf.lfFaceName, familyName, LF_FACESIZE); 958ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#endif 95959d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com lf.lfFaceName[LF_FACESIZE-1] = '\0'; 960ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com } 96159d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com setStyle(&lf, style); 96259d2f63583512b47df579e80f1ae39c74fad5f3ereed@google.com return SkCreateTypefaceFromLOGFONT(lf); 963ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 964ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 965ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comsize_t SkFontHost::ShouldPurgeFontCache(size_t sizeAllocatedSoFar) { 966ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com if (sizeAllocatedSoFar > FONT_CACHE_MEMORY_BUDGET) 967ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return sizeAllocatedSoFar - FONT_CACHE_MEMORY_BUDGET; 968ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com else 969ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return 0; // nothing to do 970ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 971ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 972ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comint SkFontHost::ComputeGammaFlag(const SkPaint& paint) { 973ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return 0; 974ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 975ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 976ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkFontHost::GetGammaTables(const uint8_t* tables[2]) { 977ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com tables[0] = NULL; // black gamma (e.g. exp=1.4) 978ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com tables[1] = NULL; // white gamma (e.g. exp= 1/1.4) 979ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 980ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 981ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comSkTypeface* SkFontHost::CreateTypefaceFromFile(const char path[]) { 982ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com printf("SkFontHost::CreateTypefaceFromFile unimplemented"); 983ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com return NULL; 984ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 985ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 986ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.comvoid SkFontHost::FilterRec(SkScalerContext::Rec* rec) { 987e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com unsigned flagsWeDontSupport = SkScalerContext::kDevKernText_Flag | 988e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kAutohinting_Flag | 989e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kEmbeddedBitmapText_Flag | 990e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kEmbolden_Flag | 991e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kLCD_BGROrder_Flag | 992e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkScalerContext::kLCD_Vertical_Flag; 993e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com rec->fFlags &= ~flagsWeDontSupport; 994e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com 995e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkPaint::Hinting h = rec->getHinting(); 996da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com 997da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com // I think we can support no-hinting, if we get hires outlines and just 998da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com // use skia to rasterize into a gray-scale mask... 999da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com#if 0 1000e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com switch (h) { 1001e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kNo_Hinting: 1002e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kSlight_Hinting: 1003e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com h = SkPaint::kNo_Hinting; 1004e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com break; 1005e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kNormal_Hinting: 1006e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com case SkPaint::kFull_Hinting: 1007e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com h = SkPaint::kNormal_Hinting; 1008e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com break; 1009e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com default: 1010e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com SkASSERT(!"unknown hinting"); 1011e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com } 1012da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com#else 1013da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com h = SkPaint::kNormal_Hinting; 1014da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com#endif 1015e8fab0111d11316a027bc6ae60c62cc6575cdc05reed@google.com rec->setHinting(h); 1016da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com 10179181aa84aa288d2bc3ab079b6b40a79ac87d8807reed@google.com// turn this off since GDI might turn A8 into BW! Need a bigger fix. 10189181aa84aa288d2bc3ab079b6b40a79ac87d8807reed@google.com#if 0 1019da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com // Disable LCD when rotated, since GDI's output is ugly 1020da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com if (isLCD(*rec) && !isAxisAligned(*rec)) { 1021da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com rec->fMaskFormat = SkMask::kA8_Format; 1022da44067ec97fddd3bab52da34e2fc5ddc5241c34reed@google.com } 10239181aa84aa288d2bc3ab079b6b40a79ac87d8807reed@google.com#endif 1024ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com} 1025ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com 1026ac6b97972d3c5a8e10b79c1409818756310e0f12reed@google.com#endif // WIN32 1027