19f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/* 29f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * Copyright (C) 2012 The Android Open Source Project 39f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * 49f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 59f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * you may not use this file except in compliance with the License. 69f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * You may obtain a copy of the License at 79f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * 89f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 99f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * 109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * Unless required by applicable law or agreed to in writing, software 119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * See the License for the specific language governing permissions and 149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * limitations under the License. 159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy */ 169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <cutils/compiler.h> 189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 19e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#include <utils/JenkinsHash.h> 20bd3055f95e67a55648fd84a125e939293115171bRomain Guy#include <utils/Trace.h> 21e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 220e9059b4549b6ada1fa6d4db50217b26d104da95Leon Scroggins III#include <SkSurfaceProps.h> 2314c40b47565778b7185de7655836485f3065877aRomain Guy#include <SkGlyph.h> 2443b692d9a18224e89fc09a0e68d097322e0ef6bbVictoria Lease#include <SkGlyphCache.h> 259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <SkUtils.h> 269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "FontUtil.h" 289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Font.h" 29cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../Debug.h" 30cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../FontRenderer.h" 31cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../PixelBuffer.h" 32cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../Properties.h" 339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace android { 359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace uirenderer { 369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy// Font 399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 41e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain GuyFont::Font(FontRenderer* state, const Font::FontDescription& desc) : 42413995e0be970a39cc03580e3efb302e17425b4bDerek Sollenberger mState(state), mDescription(desc) { } 439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4459744b79ec302000802cd56d30a1bf70f0183c80Chris CraikFont::FontDescription::FontDescription(const SkPaint* paint, const SkMatrix& rasterMatrix) 4559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik : mLookupTransform(rasterMatrix) { 46e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFontId = SkTypeface::UniqueID(paint->getTypeface()); 47e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFontSize = paint->getTextSize(); 48e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFlags = 0; 49e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (paint->isFakeBoldText()) { 50e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFlags |= Font::kFakeBold; 51e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy } 52e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mItalicStyle = paint->getTextSkewX(); 53e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mScaleX = paint->getTextScaleX(); 54e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mStyle = paint->getStyle(); 55e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mStrokeWidth = paint->getStrokeWidth(); 56b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy mAntiAliasing = paint->isAntiAlias(); 572d5945e88731787babce1061f44cd54f02eeefc5Romain Guy mHinting = paint->getHinting(); 58874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy if (!mLookupTransform.invert(&mInverseLookupTransform)) { 59874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy ALOGW("Could not query the inverse lookup transform for this font"); 60874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy } 61e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 639f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyFont::~Font() { 649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy delete mCachedGlyphs.valueAt(i); 669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 69e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyhash_t Font::FontDescription::hash() const { 70e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy uint32_t hash = JenkinsHashMix(0, mFontId); 71e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mFontSize)); 72e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mFlags)); 73e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mItalicStyle)); 74e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mScaleX)); 75e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mStyle)); 76e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mStrokeWidth)); 77b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy hash = JenkinsHashMix(hash, int(mAntiAliasing)); 782d5945e88731787babce1061f44cd54f02eeefc5Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mHinting)); 79c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleX])); 80c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleY])); 81e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return JenkinsHashWhiten(hash); 82e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 83e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 84e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyint Font::FontDescription::compare(const Font::FontDescription& lhs, 85e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const Font::FontDescription& rhs) { 86e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy int deltaInt = int(lhs.mFontId) - int(rhs.mFontId); 87e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 88e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 89e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mFontSize < rhs.mFontSize) return -1; 90e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mFontSize > rhs.mFontSize) return +1; 91e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 92e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mItalicStyle < rhs.mItalicStyle) return -1; 93e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mItalicStyle > rhs.mItalicStyle) return +1; 94e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 95e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy deltaInt = int(lhs.mFlags) - int(rhs.mFlags); 96e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 97e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 98e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mScaleX < rhs.mScaleX) return -1; 99e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mScaleX > rhs.mScaleX) return +1; 100e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 101e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy deltaInt = int(lhs.mStyle) - int(rhs.mStyle); 102e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 103e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 104e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mStrokeWidth < rhs.mStrokeWidth) return -1; 105e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mStrokeWidth > rhs.mStrokeWidth) return +1; 106e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 107b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy deltaInt = int(lhs.mAntiAliasing) - int(rhs.mAntiAliasing); 108b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (deltaInt != 0) return deltaInt; 109b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy 1102d5945e88731787babce1061f44cd54f02eeefc5Romain Guy deltaInt = int(lhs.mHinting) - int(rhs.mHinting); 1112d5945e88731787babce1061f44cd54f02eeefc5Romain Guy if (deltaInt != 0) return deltaInt; 1122d5945e88731787babce1061f44cd54f02eeefc5Romain Guy 113c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleX] < 114c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleX]) return -1; 115c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleX] > 116c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleX]) return +1; 117c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 118c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleY] < 119c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleY]) return -1; 120c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleY] > 121c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleY]) return +1; 122c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 123e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return 0; 124e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 125e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 1268087246d9964b11de8ce116bc63b156faa4197e0Romain Guyvoid Font::invalidateTextureCache(CacheTexture* cacheTexture) { 1279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 1289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueAt(i); 129521dc51fd411285f900c083a4fe560d2ed7c3f8aRomain Guy if (!cacheTexture || cachedGlyph->mCacheTexture == cacheTexture) { 1309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph->mIsValid = false; 1319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 13664bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampe uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 1379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int width = (int) glyph->mBitmapWidth; 1389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int height = (int) glyph->mBitmapHeight; 1399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 14039c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik int nPenX = x + glyph->mBitmapLeft; 14139c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik int nPenY = y + glyph->mBitmapTop; 14239c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik 1439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->bottom > nPenY) { 1449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->bottom = nPenY; 1459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->left > nPenX) { 1479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->left = nPenX; 1489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->right < nPenX + width) { 1509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->right = nPenX + width; 1519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->top < nPenY + height) { 1539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->top = nPenY + height; 1549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int x, int y, 15864bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampe uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 159e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float width = (float) glyph->mBitmapWidth; 160e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float height = (float) glyph->mBitmapHeight; 1619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 16239c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik float nPenX = x + glyph->mBitmapLeft; 16339c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik float nPenY = y + glyph->mBitmapTop + height; 16439c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik 1659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u1 = glyph->mBitmapMinU; 1669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u2 = glyph->mBitmapMaxU; 1679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v1 = glyph->mBitmapMinV; 1689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v2 = glyph->mBitmapMaxV; 1699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendMeshQuad(nPenX, nPenY, u1, v2, 1719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY, u2, v2, 1729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY - height, u2, v1, 1739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX, nPenY - height, u1, v1, glyph->mCacheTexture); 1749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 176624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guyvoid Font::drawCachedGlyphTransformed(CachedGlyphInfo* glyph, int x, int y, 17764bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampe uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 17839c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik float width = (float) glyph->mBitmapWidth; 17939c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik float height = (float) glyph->mBitmapHeight; 18039c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik 181a4adcf0239039eb8f005be252409901c41b28839Romain Guy SkPoint p[4]; 18239c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik p[0].iset(glyph->mBitmapLeft, glyph->mBitmapTop + height); 18339c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik p[1].iset(glyph->mBitmapLeft + width, glyph->mBitmapTop + height); 18439c5e7cbdfdc0c74eb5746467d9975dbaba3da61Chris Craik p[2].iset(glyph->mBitmapLeft + width, glyph->mBitmapTop); 185874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[3].iset(glyph->mBitmapLeft, glyph->mBitmapTop); 186a4adcf0239039eb8f005be252409901c41b28839Romain Guy 187874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy mDescription.mInverseLookupTransform.mapPoints(p, 4); 188a4adcf0239039eb8f005be252409901c41b28839Romain Guy 189a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[0].offset(x, y); 190a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[1].offset(x, y); 191a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[2].offset(x, y); 192a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[3].offset(x, y); 193a4adcf0239039eb8f005be252409901c41b28839Romain Guy 194a4adcf0239039eb8f005be252409901c41b28839Romain Guy float u1 = glyph->mBitmapMinU; 195a4adcf0239039eb8f005be252409901c41b28839Romain Guy float u2 = glyph->mBitmapMaxU; 196a4adcf0239039eb8f005be252409901c41b28839Romain Guy float v1 = glyph->mBitmapMinV; 197a4adcf0239039eb8f005be252409901c41b28839Romain Guy float v2 = glyph->mBitmapMaxV; 198a4adcf0239039eb8f005be252409901c41b28839Romain Guy 199a4adcf0239039eb8f005be252409901c41b28839Romain Guy mState->appendRotatedMeshQuad( 200874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[0].x(), p[0].y(), u1, v2, 201874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[1].x(), p[1].y(), u2, v2, 202874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[2].x(), p[2].y(), u2, v1, 203874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[3].x(), p[3].y(), u1, v1, glyph->mCacheTexture); 204a4adcf0239039eb8f005be252409901c41b28839Romain Guy} 205a4adcf0239039eb8f005be252409901c41b28839Romain Guy 206cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guyvoid Font::drawCachedGlyphBitmap(CachedGlyphInfo* glyph, int x, int y, uint8_t* bitmap, 20764bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampe uint32_t bitmapWidth, uint32_t bitmapHeight, Rect* bounds, const float* pos) { 208cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy int dstX = x + glyph->mBitmapLeft; 209cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy int dstY = y + glyph->mBitmapTop; 2109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2118087246d9964b11de8ce116bc63b156faa4197e0Romain Guy CacheTexture* cacheTexture = glyph->mCacheTexture; 212b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya PixelBuffer* pixelBuffer = cacheTexture->getPixelBuffer(); 213cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy 214b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t formatSize = PixelBuffer::formatSize(pixelBuffer->getFormat()); 215c62c1cc17ded117433d23ba5dd6c364b05fbcdbdDigish Pandya uint32_t alpha_channel_offset = PixelBuffer::formatAlphaOffset(pixelBuffer->getFormat()); 2168087246d9964b11de8ce116bc63b156faa4197e0Romain Guy uint32_t cacheWidth = cacheTexture->getWidth(); 217b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t srcStride = formatSize * cacheWidth; 218b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t startY = glyph->mStartY * srcStride; 219b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t endY = startY + (glyph->mBitmapHeight * srcStride); 220cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy 221cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy const uint8_t* cacheBuffer = pixelBuffer->map(); 222cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy 223cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy for (uint32_t cacheY = startY, bitmapY = dstY * bitmapWidth; cacheY < endY; 224b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya cacheY += srcStride, bitmapY += bitmapWidth) { 225b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya 226de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik for (uint32_t i = 0; i < glyph->mBitmapWidth; ++i) { 227de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik uint8_t* dst = &(bitmap[bitmapY + dstX + i]); 228de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik const uint8_t& src = cacheBuffer[ 229de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik cacheY + (glyph->mStartX + i)*formatSize + alpha_channel_offset]; 230de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik // Add alpha values to a max of 255, full opacity. This is done to handle 231de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik // fonts/strings where glyphs overlap. 232de25a672b18171a3d14315b34dc7c8fcf46ae91eChris Craik *dst = std::min(*dst + src, 255); 233b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya } 2349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, float x, float hOffset, float vOffset, 2389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure& measure, SkPoint* position, SkVector* tangent) { 2399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float halfWidth = glyph->mBitmapWidth * 0.5f; 2409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float height = glyph->mBitmapHeight; 2419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy vOffset += glyph->mBitmapTop + height; 2439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint destination[4]; 245e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy bool ok = measure.getPosTan(x + hOffset + glyph->mBitmapLeft + halfWidth, position, tangent); 246e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy if (!ok) { 247e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy ALOGW("The path for drawTextOnPath is empty or null"); 248e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy } 2499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Move along the tangent and offset by the normal 2519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].set(-tangent->fX * halfWidth - tangent->fY * vOffset, 2529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy -tangent->fY * halfWidth + tangent->fX * vOffset); 2539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].set(tangent->fX * halfWidth - tangent->fY * vOffset, 2549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy tangent->fY * halfWidth + tangent->fX * vOffset); 2559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[2].set(destination[1].fX + tangent->fY * height, 2569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].fY - tangent->fX * height); 2579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[3].set(destination[0].fX + tangent->fY * height, 2589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].fY - tangent->fX * height); 2599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u1 = glyph->mBitmapMinU; 2619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u2 = glyph->mBitmapMaxU; 2629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v1 = glyph->mBitmapMinV; 2639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v2 = glyph->mBitmapMaxV; 2649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendRotatedMeshQuad( 266874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[0].x(), 267874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[0].y(), u1, v2, 268874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[1].x(), 269874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[1].y(), u2, v2, 270874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[2].x(), 271874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[2].y(), u2, v1, 272874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[3].x(), 273874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[3].y(), u1, v1, 2749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mCacheTexture); 2759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 277d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikCachedGlyphInfo* Font::getCachedGlyph(const SkPaint* paint, glyph_t textUnit, bool precaching) { 278bd3055f95e67a55648fd84a125e939293115171bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueFor(textUnit); 279bd3055f95e67a55648fd84a125e939293115171bRomain Guy if (cachedGlyph) { 280c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy // Is the glyph still in texture cache? 281c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (!cachedGlyph->mIsValid) { 2820e9059b4549b6ada1fa6d4db50217b26d104da95Leon Scroggins III SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 2830e9059b4549b6ada1fa6d4db50217b26d104da95Leon Scroggins III SkAutoGlyphCacheNoGamma autoCache(*paint, &surfaceProps, &mDescription.mLookupTransform); 28443b692d9a18224e89fc09a0e68d097322e0ef6bbVictoria Lease const SkGlyph& skiaGlyph = GET_METRICS(autoCache.getCache(), textUnit); 2852ee2d59b7d10733e7e11e398d2316035d3b36c73Victoria Lease updateGlyphCache(paint, skiaGlyph, autoCache.getCache(), cachedGlyph, precaching); 286c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy } 2879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 2889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = cacheGlyph(paint, textUnit, precaching); 2899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return cachedGlyph; 2929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 294e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid Font::render(const SkPaint* paint, const glyph_t* glyphs, 2959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, const float* positions) { 296e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik render(paint, glyphs, numGlyphs, x, y, FRAMEBUFFER, nullptr, 297d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik 0, 0, nullptr, positions); 2989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 300e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid Font::render(const SkPaint* paint, const glyph_t* glyphs, int numGlyphs, 301a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik const SkPath* path, float hOffset, float vOffset) { 302e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik if (numGlyphs == 0 || glyphs == nullptr) { 3039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 307f4f18a25b305bb16355e3e1883d9bd454b36cdf7Ben Wagner int prevRsbDelta = 0; 3089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float penX = 0.0f; 3109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint position; 3129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkVector tangent; 3139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure measure(*path, false); 3159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathLength = SkScalarToFloat(measure.getLength()); 3169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() != SkPaint::kLeft_Align) { 318e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik float textWidth = SkScalarToFloat(paint->measureText(glyphs, numGlyphs * 2)); 3199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathOffset = pathLength; 3209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() == SkPaint::kCenter_Align) { 3219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy textWidth *= 0.5f; 3229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy pathOffset *= 0.5f; 3239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += pathOffset - textWidth; 3259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs && penX < pathLength) { 328e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik glyph_t glyph = *(glyphs++); 3299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 335f4f18a25b305bb16355e3e1883d9bd454b36cdf7Ben Wagner penX += AUTO_KERN(prevRsbDelta, cachedGlyph->mLsbDelta); 3369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy prevRsbDelta = cachedGlyph->mRsbDelta; 3379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 338a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (cachedGlyph->mIsValid && cachedGlyph->mCacheTexture) { 3399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy drawCachedGlyph(cachedGlyph, penX, hOffset, vOffset, measure, &position, &tangent); 3409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 342f4f18a25b305bb16355e3e1883d9bd454b36cdf7Ben Wagner penX += cachedGlyph->mAdvanceX; 3439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 348e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid Font::measure(const SkPaint* paint, const glyph_t* glyphs, 3499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, Rect *bounds, const float* positions) { 350d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik if (bounds == nullptr) { 3519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ALOGE("No return rectangle provided to measure text"); 3529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->set(1e6, -1e6, -1e6, 1e6); 355e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik render(paint, glyphs, numGlyphs, 0, 0, MEASURE, nullptr, 0, 0, bounds, positions); 3569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 358e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid Font::precache(const SkPaint* paint, const glyph_t* glyphs, int numGlyphs) { 359e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik if (numGlyphs == 0 || glyphs == nullptr) { 3609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 363bd3055f95e67a55648fd84a125e939293115171bRomain Guy int glyphsCount = 0; 3649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 365e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik glyph_t glyph = *(glyphs++); 3669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 3689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 372edaecc1db0584fa017822dfc2da0c968b53967e6Andreas Gampe getCachedGlyph(paint, glyph, true); 3739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 377e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craikvoid Font::render(const SkPaint* paint, const glyph_t* glyphs, 3789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, RenderMode mode, uint8_t *bitmap, 3799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* positions) { 380e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik if (numGlyphs == 0 || glyphs == nullptr) { 3819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy static RenderGlyph gRenderGlyph[] = { 3859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyph, 386624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy &android::uirenderer::Font::drawCachedGlyphTransformed, 387a4adcf0239039eb8f005be252409901c41b28839Romain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 3889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 389a4adcf0239039eb8f005be252409901c41b28839Romain Guy &android::uirenderer::Font::measureCachedGlyph, 3909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::measureCachedGlyph 3919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy }; 392624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy RenderGlyph render = gRenderGlyph[(mode << 1) + !mIdentityTransform]; 3939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 396e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy while (glyphsCount < numGlyphs) { 397e8c3c813b0e3ac98304b17a751ce6e436e252bd9Chris Craik glyph_t glyph = *(glyphs++); 3989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 399e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy // Reached the end of the string 400e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (IS_END_OF_STRING(glyph)) { 401e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy break; 4029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 404e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 4059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 406a4adcf0239039eb8f005be252409901c41b28839Romain Guy // If it's still not valid, we couldn't cache it, so we shouldn't 407a4adcf0239039eb8f005be252409901c41b28839Romain Guy // draw garbage; also skip empty glyphs (spaces) 408a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (cachedGlyph->mIsValid && cachedGlyph->mCacheTexture) { 4093ed192760314dc976cd02f62ac49798daa89b4b1Alexander Toresson int penX = x + (int) roundf(positions[(glyphsCount << 1)]); 4103ed192760314dc976cd02f62ac49798daa89b4b1Alexander Toresson int penY = y + (int) roundf(positions[(glyphsCount << 1) + 1]); 411af102bee518191f1e6ad843f06dcd7a64611462dsergeyv#ifdef BUGREPORT_FONT_CACHE_USAGE 412af102bee518191f1e6ad843f06dcd7a64611462dsergeyv mState->historyTracker().glyphRendered(cachedGlyph, penX, penY); 413af102bee518191f1e6ad843f06dcd7a64611462dsergeyv#endif 4143ed192760314dc976cd02f62ac49798daa89b4b1Alexander Toresson (*this.*render)(cachedGlyph, penX, penY, 415e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy bitmap, bitmapW, bitmapH, bounds, positions); 416af102bee518191f1e6ad843f06dcd7a64611462dsergeyv } else { 417af102bee518191f1e6ad843f06dcd7a64611462dsergeyv#ifdef BUGREPORT_FONT_CACHE_USAGE 418af102bee518191f1e6ad843f06dcd7a64611462dsergeyv mState->historyTracker().glyphRendered(cachedGlyph, -1, -1); 419af102bee518191f1e6ad843f06dcd7a64611462dsergeyv#endif 4209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 421e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 422e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyphsCount++; 4239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 42664bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampevoid Font::updateGlyphCache(const SkPaint* paint, const SkGlyph& skiaGlyph, 427d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik SkGlyphCache* skiaGlyphCache, CachedGlyphInfo* glyph, bool precaching) { 4289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceX = skiaGlyph.fAdvanceX; 4299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceY = skiaGlyph.fAdvanceY; 4309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapLeft = skiaGlyph.fLeft; 4319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapTop = skiaGlyph.fTop; 4329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mLsbDelta = skiaGlyph.fLsbDelta; 4339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mRsbDelta = skiaGlyph.fRsbDelta; 4349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startX = 0; 4369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startY = 0; 4379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Get the bitmap for the glyph 439b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (!skiaGlyph.fImage) { 4402ee2d59b7d10733e7e11e398d2316035d3b36c73Victoria Lease skiaGlyphCache->findImage(skiaGlyph); 441b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy } 4429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->cacheBitmap(skiaGlyph, glyph, &startX, &startY, precaching); 4439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (!glyph->mIsValid) { 4459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 4469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = startX + skiaGlyph.fWidth; 4499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = startY + skiaGlyph.fHeight; 4509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartX = startX; 4529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartY = startY; 4539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapWidth = skiaGlyph.fWidth; 4549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapHeight = skiaGlyph.fHeight; 4559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 456a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool empty = skiaGlyph.fWidth == 0 || skiaGlyph.fHeight == 0; 457a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!empty) { 458a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint32_t cacheWidth = glyph->mCacheTexture->getWidth(); 459a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint32_t cacheHeight = glyph->mCacheTexture->getHeight(); 4609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 461a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMinU = startX / (float) cacheWidth; 462a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMinV = startY / (float) cacheHeight; 463a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMaxU = endX / (float) cacheWidth; 464a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMaxV = endY / (float) cacheHeight; 4659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 466a4adcf0239039eb8f005be252409901c41b28839Romain Guy mState->setTextureDirty(); 467a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 4689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 470d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikCachedGlyphInfo* Font::cacheGlyph(const SkPaint* paint, glyph_t glyph, bool precaching) { 4719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* newGlyph = new CachedGlyphInfo(); 4729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mCachedGlyphs.add(glyph, newGlyph); 4739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4740e9059b4549b6ada1fa6d4db50217b26d104da95Leon Scroggins III SkSurfaceProps surfaceProps(0, kUnknown_SkPixelGeometry); 4750e9059b4549b6ada1fa6d4db50217b26d104da95Leon Scroggins III SkAutoGlyphCacheNoGamma autoCache(*paint, &surfaceProps, &mDescription.mLookupTransform); 47643b692d9a18224e89fc09a0e68d097322e0ef6bbVictoria Lease const SkGlyph& skiaGlyph = GET_METRICS(autoCache.getCache(), glyph); 4779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mIsValid = false; 478a4adcf0239039eb8f005be252409901c41b28839Romain Guy newGlyph->mGlyphIndex = skiaGlyph.fID; 4799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4802ee2d59b7d10733e7e11e398d2316035d3b36c73Victoria Lease updateGlyphCache(paint, skiaGlyph, autoCache.getCache(), newGlyph, precaching); 4819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newGlyph; 4839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 48559744b79ec302000802cd56d30a1bf70f0183c80Chris CraikFont* Font::create(FontRenderer* state, const SkPaint* paint, const SkMatrix& matrix) { 486e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontDescription description(paint, matrix); 487e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy Font* font = state->mActiveFonts.get(description); 488e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 489a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!font) { 490a4adcf0239039eb8f005be252409901c41b28839Romain Guy font = new Font(state, description); 491a4adcf0239039eb8f005be252409901c41b28839Romain Guy state->mActiveFonts.put(description, font); 4929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 493624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy font->mIdentityTransform = matrix.isIdentity(); 4949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 495a4adcf0239039eb8f005be252409901c41b28839Romain Guy return font; 4969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace uirenderer 4999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace android 500