Font.cpp revision 59744b79ec302000802cd56d30a1bf70f0183c80
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 17a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy#define LOG_TAG "OpenGLRenderer" 18bd3055f95e67a55648fd84a125e939293115171bRomain Guy#define ATRACE_TAG ATRACE_TAG_VIEW 19a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy 209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <cutils/compiler.h> 219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 22e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#include <utils/JenkinsHash.h> 23bd3055f95e67a55648fd84a125e939293115171bRomain Guy#include <utils/Trace.h> 24e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 2514c40b47565778b7185de7655836485f3065877aRomain Guy#include <SkGlyph.h> 2643b692d9a18224e89fc09a0e68d097322e0ef6bbVictoria Lease#include <SkGlyphCache.h> 279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <SkUtils.h> 289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "FontUtil.h" 309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Font.h" 31cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../Debug.h" 32cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../FontRenderer.h" 33cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../PixelBuffer.h" 34cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy#include "../Properties.h" 359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace android { 379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace uirenderer { 389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy// Font 419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 43e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain GuyFont::Font(FontRenderer* state, const Font::FontDescription& desc) : 44e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mState(state), mDescription(desc) { 45b66270eac288de53207e55d10879b070a0ec8b6bVictoria Lease mDeviceProperties = SkDeviceProperties::Make(SkDeviceProperties::Geometry::MakeDefault(), 1.0f); 469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4859744b79ec302000802cd56d30a1bf70f0183c80Chris CraikFont::FontDescription::FontDescription(const SkPaint* paint, const SkMatrix& rasterMatrix) 4959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik : mLookupTransform(rasterMatrix) { 50e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFontId = SkTypeface::UniqueID(paint->getTypeface()); 51e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFontSize = paint->getTextSize(); 52e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFlags = 0; 53e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (paint->isFakeBoldText()) { 54e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFlags |= Font::kFakeBold; 55e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy } 56e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mItalicStyle = paint->getTextSkewX(); 57e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mScaleX = paint->getTextScaleX(); 58e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mStyle = paint->getStyle(); 59e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mStrokeWidth = paint->getStrokeWidth(); 60b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy mAntiAliasing = paint->isAntiAlias(); 612d5945e88731787babce1061f44cd54f02eeefc5Romain Guy mHinting = paint->getHinting(); 62874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy if (!mLookupTransform.invert(&mInverseLookupTransform)) { 63874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy ALOGW("Could not query the inverse lookup transform for this font"); 64874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy } 65e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 679f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyFont::~Font() { 689b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mState->removeFont(this); 699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy delete mCachedGlyphs.valueAt(i); 729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 75e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyhash_t Font::FontDescription::hash() const { 76e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy uint32_t hash = JenkinsHashMix(0, mFontId); 77e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mFontSize)); 78e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mFlags)); 79e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mItalicStyle)); 80e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mScaleX)); 81e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mStyle)); 82e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mStrokeWidth)); 83b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy hash = JenkinsHashMix(hash, int(mAntiAliasing)); 842d5945e88731787babce1061f44cd54f02eeefc5Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mHinting)); 85c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleX])); 86c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleY])); 87e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return JenkinsHashWhiten(hash); 88e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 89e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 90e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyint Font::FontDescription::compare(const Font::FontDescription& lhs, 91e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const Font::FontDescription& rhs) { 92e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy int deltaInt = int(lhs.mFontId) - int(rhs.mFontId); 93e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 94e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 95e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mFontSize < rhs.mFontSize) return -1; 96e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mFontSize > rhs.mFontSize) return +1; 97e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 98e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mItalicStyle < rhs.mItalicStyle) return -1; 99e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mItalicStyle > rhs.mItalicStyle) return +1; 100e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 101e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy deltaInt = int(lhs.mFlags) - int(rhs.mFlags); 102e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 103e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 104e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mScaleX < rhs.mScaleX) return -1; 105e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mScaleX > rhs.mScaleX) return +1; 106e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 107e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy deltaInt = int(lhs.mStyle) - int(rhs.mStyle); 108e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 109e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 110e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mStrokeWidth < rhs.mStrokeWidth) return -1; 111e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mStrokeWidth > rhs.mStrokeWidth) return +1; 112e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 113b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy deltaInt = int(lhs.mAntiAliasing) - int(rhs.mAntiAliasing); 114b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (deltaInt != 0) return deltaInt; 115b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy 1162d5945e88731787babce1061f44cd54f02eeefc5Romain Guy deltaInt = int(lhs.mHinting) - int(rhs.mHinting); 1172d5945e88731787babce1061f44cd54f02eeefc5Romain Guy if (deltaInt != 0) return deltaInt; 1182d5945e88731787babce1061f44cd54f02eeefc5Romain Guy 119c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleX] < 120c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleX]) return -1; 121c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleX] > 122c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleX]) return +1; 123c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 124c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleY] < 125c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleY]) return -1; 126c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleY] > 127c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleY]) return +1; 128c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 129e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return 0; 130e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 131e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 1328087246d9964b11de8ce116bc63b156faa4197e0Romain Guyvoid Font::invalidateTextureCache(CacheTexture* cacheTexture) { 1339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 1349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueAt(i); 135521dc51fd411285f900c083a4fe560d2ed7c3f8aRomain Guy if (!cacheTexture || cachedGlyph->mCacheTexture == cacheTexture) { 1369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph->mIsValid = false; 1379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 1429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 1439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 1449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 1459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int width = (int) glyph->mBitmapWidth; 1479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int height = (int) glyph->mBitmapHeight; 1489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->bottom > nPenY) { 1509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->bottom = nPenY; 1519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->left > nPenX) { 1539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->left = nPenX; 1549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->right < nPenX + width) { 1569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->right = nPenX + width; 1579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->top < nPenY + height) { 1599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->top = nPenY + height; 1609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int x, int y, 1649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 165e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float nPenX = x + glyph->mBitmapLeft; 166a4adcf0239039eb8f005be252409901c41b28839Romain Guy float nPenY = y + glyph->mBitmapTop + glyph->mBitmapHeight; 167e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 168e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float width = (float) glyph->mBitmapWidth; 169e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float height = (float) glyph->mBitmapHeight; 1709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u1 = glyph->mBitmapMinU; 1729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u2 = glyph->mBitmapMaxU; 1739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v1 = glyph->mBitmapMinV; 1749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v2 = glyph->mBitmapMaxV; 1759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendMeshQuad(nPenX, nPenY, u1, v2, 1779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY, u2, v2, 1789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY - height, u2, v1, 1799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX, nPenY - height, u1, v1, glyph->mCacheTexture); 1809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 182624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guyvoid Font::drawCachedGlyphTransformed(CachedGlyphInfo* glyph, int x, int y, 183a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 184a4adcf0239039eb8f005be252409901c41b28839Romain Guy SkPoint p[4]; 185874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[0].iset(glyph->mBitmapLeft, glyph->mBitmapTop + glyph->mBitmapHeight); 186874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[1].iset(glyph->mBitmapLeft + glyph->mBitmapWidth, glyph->mBitmapTop + glyph->mBitmapHeight); 187874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[2].iset(glyph->mBitmapLeft + glyph->mBitmapWidth, glyph->mBitmapTop); 188874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[3].iset(glyph->mBitmapLeft, glyph->mBitmapTop); 189a4adcf0239039eb8f005be252409901c41b28839Romain Guy 190874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy mDescription.mInverseLookupTransform.mapPoints(p, 4); 191a4adcf0239039eb8f005be252409901c41b28839Romain Guy 192a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[0].offset(x, y); 193a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[1].offset(x, y); 194a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[2].offset(x, y); 195a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[3].offset(x, y); 196a4adcf0239039eb8f005be252409901c41b28839Romain Guy 197a4adcf0239039eb8f005be252409901c41b28839Romain Guy float u1 = glyph->mBitmapMinU; 198a4adcf0239039eb8f005be252409901c41b28839Romain Guy float u2 = glyph->mBitmapMaxU; 199a4adcf0239039eb8f005be252409901c41b28839Romain Guy float v1 = glyph->mBitmapMinV; 200a4adcf0239039eb8f005be252409901c41b28839Romain Guy float v2 = glyph->mBitmapMaxV; 201a4adcf0239039eb8f005be252409901c41b28839Romain Guy 202a4adcf0239039eb8f005be252409901c41b28839Romain Guy mState->appendRotatedMeshQuad( 203874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[0].x(), p[0].y(), u1, v2, 204874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[1].x(), p[1].y(), u2, v2, 205874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[2].x(), p[2].y(), u2, v1, 206874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[3].x(), p[3].y(), u1, v1, glyph->mCacheTexture); 207a4adcf0239039eb8f005be252409901c41b28839Romain Guy} 208a4adcf0239039eb8f005be252409901c41b28839Romain Guy 209cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guyvoid Font::drawCachedGlyphBitmap(CachedGlyphInfo* glyph, int x, int y, uint8_t* bitmap, 210cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy uint32_t bitmapWidth, uint32_t bitmapHeight, Rect* bounds, const float* pos) { 211cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy int dstX = x + glyph->mBitmapLeft; 212cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy int dstY = y + glyph->mBitmapTop; 2139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2148087246d9964b11de8ce116bc63b156faa4197e0Romain Guy CacheTexture* cacheTexture = glyph->mCacheTexture; 215b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya PixelBuffer* pixelBuffer = cacheTexture->getPixelBuffer(); 216cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy 217b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t formatSize = PixelBuffer::formatSize(pixelBuffer->getFormat()); 218c62c1cc17ded117433d23ba5dd6c364b05fbcdbdDigish Pandya uint32_t alpha_channel_offset = PixelBuffer::formatAlphaOffset(pixelBuffer->getFormat()); 2198087246d9964b11de8ce116bc63b156faa4197e0Romain Guy uint32_t cacheWidth = cacheTexture->getWidth(); 220b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t srcStride = formatSize * cacheWidth; 221b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t startY = glyph->mStartY * srcStride; 222b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya uint32_t endY = startY + (glyph->mBitmapHeight * srcStride); 223cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy 224cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy const uint8_t* cacheBuffer = pixelBuffer->map(); 225cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy 226cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy for (uint32_t cacheY = startY, bitmapY = dstY * bitmapWidth; cacheY < endY; 227b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya cacheY += srcStride, bitmapY += bitmapWidth) { 228b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya 229b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya if (formatSize == 1) { 230b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya memcpy(&bitmap[bitmapY + dstX], &cacheBuffer[cacheY + glyph->mStartX], glyph->mBitmapWidth); 231b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya } else { 232b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya for (uint32_t i = 0; i < glyph->mBitmapWidth; ++i) { 233c62c1cc17ded117433d23ba5dd6c364b05fbcdbdDigish Pandya bitmap[bitmapY + dstX + i] = cacheBuffer[cacheY + (glyph->mStartX + i)*formatSize + alpha_channel_offset]; 234b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya } 235b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya } 2369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 237b9312a54e49f2f0e35bf65f91d796eeb3a6084bcDigish Pandya 2389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, float x, float hOffset, float vOffset, 2419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure& measure, SkPoint* position, SkVector* tangent) { 2429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float halfWidth = glyph->mBitmapWidth * 0.5f; 2439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float height = glyph->mBitmapHeight; 2449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy vOffset += glyph->mBitmapTop + height; 2469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint destination[4]; 248e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy bool ok = measure.getPosTan(x + hOffset + glyph->mBitmapLeft + halfWidth, position, tangent); 249e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy if (!ok) { 250e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy ALOGW("The path for drawTextOnPath is empty or null"); 251e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy } 2529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Move along the tangent and offset by the normal 2549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].set(-tangent->fX * halfWidth - tangent->fY * vOffset, 2559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy -tangent->fY * halfWidth + tangent->fX * vOffset); 2569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].set(tangent->fX * halfWidth - tangent->fY * vOffset, 2579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy tangent->fY * halfWidth + tangent->fX * vOffset); 2589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[2].set(destination[1].fX + tangent->fY * height, 2599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].fY - tangent->fX * height); 2609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[3].set(destination[0].fX + tangent->fY * height, 2619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].fY - tangent->fX * height); 2629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u1 = glyph->mBitmapMinU; 2649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u2 = glyph->mBitmapMaxU; 2659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v1 = glyph->mBitmapMinV; 2669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v2 = glyph->mBitmapMaxV; 2679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendRotatedMeshQuad( 269874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[0].x(), 270874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[0].y(), u1, v2, 271874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[1].x(), 272874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[1].y(), u2, v2, 273874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[2].x(), 274874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[2].y(), u2, v1, 275874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[3].x(), 276874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[3].y(), u1, v1, 2779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mCacheTexture); 2789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 280d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikCachedGlyphInfo* Font::getCachedGlyph(const SkPaint* paint, glyph_t textUnit, bool precaching) { 281bd3055f95e67a55648fd84a125e939293115171bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueFor(textUnit); 282bd3055f95e67a55648fd84a125e939293115171bRomain Guy if (cachedGlyph) { 283c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy // Is the glyph still in texture cache? 284c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (!cachedGlyph->mIsValid) { 285b66270eac288de53207e55d10879b070a0ec8b6bVictoria Lease SkAutoGlyphCache autoCache(*paint, &mDeviceProperties, &mDescription.mLookupTransform); 28643b692d9a18224e89fc09a0e68d097322e0ef6bbVictoria Lease const SkGlyph& skiaGlyph = GET_METRICS(autoCache.getCache(), textUnit); 2872ee2d59b7d10733e7e11e398d2316035d3b36c73Victoria Lease updateGlyphCache(paint, skiaGlyph, autoCache.getCache(), cachedGlyph, precaching); 288c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy } 2899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 2909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = cacheGlyph(paint, textUnit, precaching); 2919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return cachedGlyph; 2949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 296d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid Font::render(const SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, const float* positions) { 2989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, x, y, FRAMEBUFFER, NULL, 2999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 0, 0, NULL, positions); 3009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 302d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid Font::render(const SkPaint* paint, const char *text, uint32_t start, uint32_t len, 303d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int numGlyphs, const SkPath* path, float hOffset, float vOffset) { 3049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 3059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 3099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkFixed prevRsbDelta = 0; 3129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float penX = 0.0f; 3149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint position; 3169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkVector tangent; 3179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure measure(*path, false); 3199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathLength = SkScalarToFloat(measure.getLength()); 3209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() != SkPaint::kLeft_Align) { 3229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float textWidth = SkScalarToFloat(paint->measureText(text, len)); 3239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathOffset = pathLength; 3249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() == SkPaint::kCenter_Align) { 3259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy textWidth *= 0.5f; 3269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy pathOffset *= 0.5f; 3279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += pathOffset - textWidth; 3299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs && penX < pathLength) { 3329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(AUTO_KERN(prevRsbDelta, cachedGlyph->mLsbDelta)); 3409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy prevRsbDelta = cachedGlyph->mRsbDelta; 3419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 342a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (cachedGlyph->mIsValid && cachedGlyph->mCacheTexture) { 3439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy drawCachedGlyph(cachedGlyph, penX, hOffset, vOffset, measure, &position, &tangent); 3449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(cachedGlyph->mAdvanceX); 3479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 352d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid Font::measure(const SkPaint* paint, const char* text, uint32_t start, uint32_t len, 3539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, Rect *bounds, const float* positions) { 3549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds == NULL) { 3559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ALOGE("No return rectangle provided to measure text"); 3569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->set(1e6, -1e6, -1e6, 1e6); 3599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, 0, 0, MEASURE, NULL, 0, 0, bounds, positions); 3609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 362d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid Font::precache(const SkPaint* paint, const char* text, int numGlyphs) { 363bd3055f95e67a55648fd84a125e939293115171bRomain Guy ATRACE_NAME("precacheText"); 364bd3055f95e67a55648fd84a125e939293115171bRomain Guy 3659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL) { 3669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 369bd3055f95e67a55648fd84a125e939293115171bRomain Guy int glyphsCount = 0; 3709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 3719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 3749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph, true); 3799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 383d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid Font::render(const SkPaint* paint, const char* text, uint32_t start, uint32_t len, 3849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, RenderMode mode, uint8_t *bitmap, 3859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* positions) { 3869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 3879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy static RenderGlyph gRenderGlyph[] = { 3919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyph, 392624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy &android::uirenderer::Font::drawCachedGlyphTransformed, 393a4adcf0239039eb8f005be252409901c41b28839Romain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 3949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 395a4adcf0239039eb8f005be252409901c41b28839Romain Guy &android::uirenderer::Font::measureCachedGlyph, 3969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::measureCachedGlyph 3979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy }; 398624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy RenderGlyph render = gRenderGlyph[(mode << 1) + !mIdentityTransform]; 3999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 4019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 4029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 403e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const SkPaint::Align align = paint->getTextAlign(); 4049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 405e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy while (glyphsCount < numGlyphs) { 406e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyph_t glyph = GET_GLYPH(text); 4079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 408e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy // Reached the end of the string 409e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (IS_END_OF_STRING(glyph)) { 410e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy break; 4119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 413e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 4149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 415a4adcf0239039eb8f005be252409901c41b28839Romain Guy // If it's still not valid, we couldn't cache it, so we shouldn't 416a4adcf0239039eb8f005be252409901c41b28839Romain Guy // draw garbage; also skip empty glyphs (spaces) 417a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (cachedGlyph->mIsValid && cachedGlyph->mCacheTexture) { 4183ed192760314dc976cd02f62ac49798daa89b4b1Alexander Toresson int penX = x + (int) roundf(positions[(glyphsCount << 1)]); 4193ed192760314dc976cd02f62ac49798daa89b4b1Alexander Toresson int penY = y + (int) roundf(positions[(glyphsCount << 1) + 1]); 420c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 4213ed192760314dc976cd02f62ac49798daa89b4b1Alexander Toresson (*this.*render)(cachedGlyph, penX, penY, 422e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy bitmap, bitmapW, bitmapH, bounds, positions); 4239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 424e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 425e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyphsCount++; 4269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 429d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid Font::updateGlyphCache(const SkPaint* paint, const SkGlyph& skiaGlyph, 430d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik SkGlyphCache* skiaGlyphCache, CachedGlyphInfo* glyph, bool precaching) { 4319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceX = skiaGlyph.fAdvanceX; 4329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceY = skiaGlyph.fAdvanceY; 4339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapLeft = skiaGlyph.fLeft; 4349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapTop = skiaGlyph.fTop; 4359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mLsbDelta = skiaGlyph.fLsbDelta; 4369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mRsbDelta = skiaGlyph.fRsbDelta; 4379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startX = 0; 4399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startY = 0; 4409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Get the bitmap for the glyph 442b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (!skiaGlyph.fImage) { 4432ee2d59b7d10733e7e11e398d2316035d3b36c73Victoria Lease skiaGlyphCache->findImage(skiaGlyph); 444b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy } 4459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->cacheBitmap(skiaGlyph, glyph, &startX, &startY, precaching); 4469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (!glyph->mIsValid) { 4489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 4499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = startX + skiaGlyph.fWidth; 4529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = startY + skiaGlyph.fHeight; 4539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartX = startX; 4559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartY = startY; 4569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapWidth = skiaGlyph.fWidth; 4579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapHeight = skiaGlyph.fHeight; 4589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 459a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool empty = skiaGlyph.fWidth == 0 || skiaGlyph.fHeight == 0; 460a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!empty) { 461a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint32_t cacheWidth = glyph->mCacheTexture->getWidth(); 462a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint32_t cacheHeight = glyph->mCacheTexture->getHeight(); 4639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 464a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMinU = startX / (float) cacheWidth; 465a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMinV = startY / (float) cacheHeight; 466a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMaxU = endX / (float) cacheWidth; 467a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMaxV = endY / (float) cacheHeight; 4689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 469a4adcf0239039eb8f005be252409901c41b28839Romain Guy mState->setTextureDirty(); 470a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 4719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 473d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikCachedGlyphInfo* Font::cacheGlyph(const SkPaint* paint, glyph_t glyph, bool precaching) { 4749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* newGlyph = new CachedGlyphInfo(); 4759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mCachedGlyphs.add(glyph, newGlyph); 4769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 477b66270eac288de53207e55d10879b070a0ec8b6bVictoria Lease SkAutoGlyphCache autoCache(*paint, &mDeviceProperties, &mDescription.mLookupTransform); 47843b692d9a18224e89fc09a0e68d097322e0ef6bbVictoria Lease const SkGlyph& skiaGlyph = GET_METRICS(autoCache.getCache(), glyph); 4799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mIsValid = false; 480a4adcf0239039eb8f005be252409901c41b28839Romain Guy newGlyph->mGlyphIndex = skiaGlyph.fID; 4819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4822ee2d59b7d10733e7e11e398d2316035d3b36c73Victoria Lease updateGlyphCache(paint, skiaGlyph, autoCache.getCache(), newGlyph, precaching); 4839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newGlyph; 4859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 48759744b79ec302000802cd56d30a1bf70f0183c80Chris CraikFont* Font::create(FontRenderer* state, const SkPaint* paint, const SkMatrix& matrix) { 488e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontDescription description(paint, matrix); 489e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy Font* font = state->mActiveFonts.get(description); 490e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 491a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!font) { 492a4adcf0239039eb8f005be252409901c41b28839Romain Guy font = new Font(state, description); 493a4adcf0239039eb8f005be252409901c41b28839Romain Guy state->mActiveFonts.put(description, font); 4949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 495624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy font->mIdentityTransform = matrix.isIdentity(); 4969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 497a4adcf0239039eb8f005be252409901c41b28839Romain Guy return font; 4989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 5009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace uirenderer 5019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace android 502