Font.cpp revision 624234f69b2a4781d24f3e4c6ae6450729e38397
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" 18a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy 199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <cutils/compiler.h> 209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 21e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#include <utils/JenkinsHash.h> 22e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 2314c40b47565778b7185de7655836485f3065877aRomain Guy#include <SkGlyph.h> 249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <SkUtils.h> 259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Debug.h" 279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "FontUtil.h" 289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Font.h" 299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "FontRenderer.h" 309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Properties.h" 319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace android { 339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace uirenderer { 349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy// Font 379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 39e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain GuyFont::Font(FontRenderer* state, const Font::FontDescription& desc) : 40e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mState(state), mDescription(desc) { 419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 43e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain GuyFont::FontDescription::FontDescription(const SkPaint* paint, const mat4& matrix) { 44e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFontId = SkTypeface::UniqueID(paint->getTypeface()); 45e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFontSize = paint->getTextSize(); 46e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFlags = 0; 47e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (paint->isFakeBoldText()) { 48e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mFlags |= Font::kFakeBold; 49e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy } 50e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mItalicStyle = paint->getTextSkewX(); 51e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mScaleX = paint->getTextScaleX(); 52e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mStyle = paint->getStyle(); 53e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy mStrokeWidth = paint->getStrokeWidth(); 54b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy mAntiAliasing = paint->isAntiAlias(); 55a4adcf0239039eb8f005be252409901c41b28839Romain Guy mLookupTransform.reset(); 56624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mLookupTransform[SkMatrix::kMScaleX] = matrix[mat4::kScaleX]; 57624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mLookupTransform[SkMatrix::kMScaleY] = matrix[mat4::kScaleY]; 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() { 649b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mState->removeFont(this); 659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy delete mCachedGlyphs.valueAt(i); 689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 71e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyhash_t Font::FontDescription::hash() const { 72e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy uint32_t hash = JenkinsHashMix(0, mFontId); 73e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mFontSize)); 74e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mFlags)); 75e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mItalicStyle)); 76e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mScaleX)); 77e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mStyle)); 78e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mStrokeWidth)); 79b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy hash = JenkinsHashMix(hash, int(mAntiAliasing)); 80c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleX])); 81c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleY])); 82e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return JenkinsHashWhiten(hash); 83e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 84e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 85e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guyint Font::FontDescription::compare(const Font::FontDescription& lhs, 86e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const Font::FontDescription& rhs) { 87e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy int deltaInt = int(lhs.mFontId) - int(rhs.mFontId); 88e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 89e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 90e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mFontSize < rhs.mFontSize) return -1; 91e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mFontSize > rhs.mFontSize) return +1; 92e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 93e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mItalicStyle < rhs.mItalicStyle) return -1; 94e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mItalicStyle > rhs.mItalicStyle) return +1; 95e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 96e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy deltaInt = int(lhs.mFlags) - int(rhs.mFlags); 97e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 98e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 99e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mScaleX < rhs.mScaleX) return -1; 100e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mScaleX > rhs.mScaleX) return +1; 101e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 102e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy deltaInt = int(lhs.mStyle) - int(rhs.mStyle); 103e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (deltaInt != 0) return deltaInt; 104e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 105e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mStrokeWidth < rhs.mStrokeWidth) return -1; 106e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (lhs.mStrokeWidth > rhs.mStrokeWidth) return +1; 107e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 108b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy deltaInt = int(lhs.mAntiAliasing) - int(rhs.mAntiAliasing); 109b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (deltaInt != 0) return deltaInt; 110b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy 111c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleX] < 112c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleX]) return -1; 113c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleX] > 114c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleX]) return +1; 115c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 116c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleY] < 117c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleY]) return -1; 118c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMScaleY] > 119c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMScaleY]) return +1; 120c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 121e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return 0; 122e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 123e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 1248087246d9964b11de8ce116bc63b156faa4197e0Romain Guyvoid Font::invalidateTextureCache(CacheTexture* cacheTexture) { 1259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 1269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueAt(i); 127521dc51fd411285f900c083a4fe560d2ed7c3f8aRomain Guy if (!cacheTexture || cachedGlyph->mCacheTexture == cacheTexture) { 1289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph->mIsValid = false; 1299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 1349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 1359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 1369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 1379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int width = (int) glyph->mBitmapWidth; 1399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int height = (int) glyph->mBitmapHeight; 1409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->bottom > nPenY) { 1429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->bottom = nPenY; 1439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->left > nPenX) { 1459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->left = nPenX; 1469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->right < nPenX + width) { 1489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->right = nPenX + width; 1499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->top < nPenY + height) { 1519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->top = nPenY + height; 1529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int x, int y, 1569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 157e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float nPenX = x + glyph->mBitmapLeft; 158a4adcf0239039eb8f005be252409901c41b28839Romain Guy float nPenY = y + glyph->mBitmapTop + glyph->mBitmapHeight; 159e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 160e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float width = (float) glyph->mBitmapWidth; 161e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float height = (float) glyph->mBitmapHeight; 1629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u1 = glyph->mBitmapMinU; 1649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u2 = glyph->mBitmapMaxU; 1659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v1 = glyph->mBitmapMinV; 1669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v2 = glyph->mBitmapMaxV; 1679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendMeshQuad(nPenX, nPenY, u1, v2, 1699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY, u2, v2, 1709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY - height, u2, v1, 1719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX, nPenY - height, u1, v1, glyph->mCacheTexture); 1729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 174624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guyvoid Font::drawCachedGlyphTransformed(CachedGlyphInfo* glyph, int x, int y, 175a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 176a4adcf0239039eb8f005be252409901c41b28839Romain Guy SkPoint p[4]; 177874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[0].iset(glyph->mBitmapLeft, glyph->mBitmapTop + glyph->mBitmapHeight); 178874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[1].iset(glyph->mBitmapLeft + glyph->mBitmapWidth, glyph->mBitmapTop + glyph->mBitmapHeight); 179874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[2].iset(glyph->mBitmapLeft + glyph->mBitmapWidth, glyph->mBitmapTop); 180874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[3].iset(glyph->mBitmapLeft, glyph->mBitmapTop); 181a4adcf0239039eb8f005be252409901c41b28839Romain Guy 182874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy mDescription.mInverseLookupTransform.mapPoints(p, 4); 183a4adcf0239039eb8f005be252409901c41b28839Romain Guy 184a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[0].offset(x, y); 185a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[1].offset(x, y); 186a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[2].offset(x, y); 187a4adcf0239039eb8f005be252409901c41b28839Romain Guy p[3].offset(x, y); 188a4adcf0239039eb8f005be252409901c41b28839Romain Guy 189a4adcf0239039eb8f005be252409901c41b28839Romain Guy float u1 = glyph->mBitmapMinU; 190a4adcf0239039eb8f005be252409901c41b28839Romain Guy float u2 = glyph->mBitmapMaxU; 191a4adcf0239039eb8f005be252409901c41b28839Romain Guy float v1 = glyph->mBitmapMinV; 192a4adcf0239039eb8f005be252409901c41b28839Romain Guy float v2 = glyph->mBitmapMaxV; 193a4adcf0239039eb8f005be252409901c41b28839Romain Guy 194a4adcf0239039eb8f005be252409901c41b28839Romain Guy mState->appendRotatedMeshQuad( 195874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[0].x(), p[0].y(), u1, v2, 196874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[1].x(), p[1].y(), u2, v2, 197874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[2].x(), p[2].y(), u2, v1, 198874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy p[3].x(), p[3].y(), u1, v1, glyph->mCacheTexture); 199a4adcf0239039eb8f005be252409901c41b28839Romain Guy} 200a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyphBitmap(CachedGlyphInfo* glyph, int x, int y, 2029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 2039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 2049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 2059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = glyph->mStartX + glyph->mBitmapWidth; 2079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = glyph->mStartY + glyph->mBitmapHeight; 2089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2098087246d9964b11de8ce116bc63b156faa4197e0Romain Guy CacheTexture* cacheTexture = glyph->mCacheTexture; 2108087246d9964b11de8ce116bc63b156faa4197e0Romain Guy uint32_t cacheWidth = cacheTexture->getWidth(); 2118087246d9964b11de8ce116bc63b156faa4197e0Romain Guy const uint8_t* cacheBuffer = cacheTexture->getTexture(); 2129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t cacheX = 0, cacheY = 0; 2149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int32_t bX = 0, bY = 0; 2159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (cacheX = glyph->mStartX, bX = nPenX; cacheX < endX; cacheX++, bX++) { 2169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (cacheY = glyph->mStartY, bY = nPenY; cacheY < endY; cacheY++, bY++) { 2179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t tempCol = cacheBuffer[cacheY * cacheWidth + cacheX]; 2189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bitmap[bY * bitmapW + bX] = tempCol; 2199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, float x, float hOffset, float vOffset, 2249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure& measure, SkPoint* position, SkVector* tangent) { 2259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float halfWidth = glyph->mBitmapWidth * 0.5f; 2269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float height = glyph->mBitmapHeight; 2279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy vOffset += glyph->mBitmapTop + height; 2299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint destination[4]; 231e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy bool ok = measure.getPosTan(x + hOffset + glyph->mBitmapLeft + halfWidth, position, tangent); 232e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy if (!ok) { 233e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy ALOGW("The path for drawTextOnPath is empty or null"); 234e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy } 2359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Move along the tangent and offset by the normal 2379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].set(-tangent->fX * halfWidth - tangent->fY * vOffset, 2389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy -tangent->fY * halfWidth + tangent->fX * vOffset); 2399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].set(tangent->fX * halfWidth - tangent->fY * vOffset, 2409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy tangent->fY * halfWidth + tangent->fX * vOffset); 2419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[2].set(destination[1].fX + tangent->fY * height, 2429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].fY - tangent->fX * height); 2439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[3].set(destination[0].fX + tangent->fY * height, 2449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].fY - tangent->fX * height); 2459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u1 = glyph->mBitmapMinU; 2479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u2 = glyph->mBitmapMaxU; 2489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v1 = glyph->mBitmapMinV; 2499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v2 = glyph->mBitmapMaxV; 2509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendRotatedMeshQuad( 252874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[0].x(), 253874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[0].y(), u1, v2, 254874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[1].x(), 255874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[1].y(), u2, v2, 256874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[2].x(), 257874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[2].y(), u2, v1, 258874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->x() + destination[3].x(), 259874f5c6e4ac655b4f118074c90d51e6a44abe50cRomain Guy position->y() + destination[3].y(), u1, v1, 2609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mCacheTexture); 2619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2639f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyCachedGlyphInfo* Font::getCachedGlyph(SkPaint* paint, glyph_t textUnit, bool precaching) { 2649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = NULL; 2659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ssize_t index = mCachedGlyphs.indexOfKey(textUnit); 2669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (index >= 0) { 2679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = mCachedGlyphs.valueAt(index); 268c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 269c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy // Is the glyph still in texture cache? 270c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (!cachedGlyph->mIsValid) { 2710f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy const SkGlyph& skiaGlyph = GET_METRICS(paint, textUnit, 2720f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy &mDescription.mLookupTransform); 273c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy updateGlyphCache(paint, skiaGlyph, cachedGlyph, precaching); 274c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy } 2759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 2769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = cacheGlyph(paint, textUnit, precaching); 2779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return cachedGlyph; 2809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, const float* positions) { 2849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, x, y, FRAMEBUFFER, NULL, 2859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 0, 0, NULL, positions); 2869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, SkPath* path, float hOffset, float vOffset) { 2909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 2919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 2929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 2959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 2979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkFixed prevRsbDelta = 0; 2989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float penX = 0.0f; 3009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint position; 3029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkVector tangent; 3039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure measure(*path, false); 3059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathLength = SkScalarToFloat(measure.getLength()); 3069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() != SkPaint::kLeft_Align) { 3089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float textWidth = SkScalarToFloat(paint->measureText(text, len)); 3099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathOffset = pathLength; 3109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() == SkPaint::kCenter_Align) { 3119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy textWidth *= 0.5f; 3129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy pathOffset *= 0.5f; 3139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += pathOffset - textWidth; 3159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs && penX < pathLength) { 3189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(AUTO_KERN(prevRsbDelta, cachedGlyph->mLsbDelta)); 3269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy prevRsbDelta = cachedGlyph->mRsbDelta; 3279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 328a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (cachedGlyph->mIsValid && cachedGlyph->mCacheTexture) { 3299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy drawCachedGlyph(cachedGlyph, penX, hOffset, vOffset, measure, &position, &tangent); 3309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(cachedGlyph->mAdvanceX); 3339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measure(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 3399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, Rect *bounds, const float* positions) { 3409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds == NULL) { 3419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ALOGE("No return rectangle provided to measure text"); 3429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->set(1e6, -1e6, -1e6, 1e6); 3459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, 0, 0, MEASURE, NULL, 0, 0, bounds, positions); 3469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::precache(SkPaint* paint, const char* text, int numGlyphs) { 3499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL) { 3509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 3559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 3589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph, true); 3639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 3699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, RenderMode mode, uint8_t *bitmap, 3709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* positions) { 3719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 3729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy static RenderGlyph gRenderGlyph[] = { 3769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyph, 377624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy &android::uirenderer::Font::drawCachedGlyphTransformed, 378a4adcf0239039eb8f005be252409901c41b28839Romain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 3799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 380a4adcf0239039eb8f005be252409901c41b28839Romain Guy &android::uirenderer::Font::measureCachedGlyph, 3819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::measureCachedGlyph 3829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy }; 383624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy RenderGlyph render = gRenderGlyph[(mode << 1) + !mIdentityTransform]; 3849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 3869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 388e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const SkPaint::Align align = paint->getTextAlign(); 3899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 390e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy while (glyphsCount < numGlyphs) { 391e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyph_t glyph = GET_GLYPH(text); 3929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 393e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy // Reached the end of the string 394e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (IS_END_OF_STRING(glyph)) { 395e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy break; 3969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 398e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 400a4adcf0239039eb8f005be252409901c41b28839Romain Guy // If it's still not valid, we couldn't cache it, so we shouldn't 401a4adcf0239039eb8f005be252409901c41b28839Romain Guy // draw garbage; also skip empty glyphs (spaces) 402a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (cachedGlyph->mIsValid && cachedGlyph->mCacheTexture) { 403c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy float penX = x + positions[(glyphsCount << 1)]; 404c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy float penY = y + positions[(glyphsCount << 1) + 1]; 405c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 406c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy (*this.*render)(cachedGlyph, roundf(penX), roundf(penY), 407e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy bitmap, bitmapW, bitmapH, bounds, positions); 4089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 409e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 410e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyphsCount++; 4119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo* glyph, 4159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bool precaching) { 4169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceX = skiaGlyph.fAdvanceX; 4179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceY = skiaGlyph.fAdvanceY; 4189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapLeft = skiaGlyph.fLeft; 4199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapTop = skiaGlyph.fTop; 4209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mLsbDelta = skiaGlyph.fLsbDelta; 4219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mRsbDelta = skiaGlyph.fRsbDelta; 4229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startX = 0; 4249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startY = 0; 4259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Get the bitmap for the glyph 427b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (!skiaGlyph.fImage) { 428c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy paint->findImage(skiaGlyph, &mDescription.mLookupTransform); 429b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy } 4309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->cacheBitmap(skiaGlyph, glyph, &startX, &startY, precaching); 4319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (!glyph->mIsValid) { 4339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 4349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = startX + skiaGlyph.fWidth; 4379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = startY + skiaGlyph.fHeight; 4389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartX = startX; 4409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartY = startY; 4419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapWidth = skiaGlyph.fWidth; 4429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapHeight = skiaGlyph.fHeight; 4439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 444a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool empty = skiaGlyph.fWidth == 0 || skiaGlyph.fHeight == 0; 445a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!empty) { 446a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint32_t cacheWidth = glyph->mCacheTexture->getWidth(); 447a4adcf0239039eb8f005be252409901c41b28839Romain Guy uint32_t cacheHeight = glyph->mCacheTexture->getHeight(); 4489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 449a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMinU = startX / (float) cacheWidth; 450a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMinV = startY / (float) cacheHeight; 451a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMaxU = endX / (float) cacheWidth; 452a4adcf0239039eb8f005be252409901c41b28839Romain Guy glyph->mBitmapMaxV = endY / (float) cacheHeight; 4539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 454a4adcf0239039eb8f005be252409901c41b28839Romain Guy mState->setTextureDirty(); 455a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 4569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4589f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyCachedGlyphInfo* Font::cacheGlyph(SkPaint* paint, glyph_t glyph, bool precaching) { 4599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* newGlyph = new CachedGlyphInfo(); 4609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mCachedGlyphs.add(glyph, newGlyph); 4619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 462c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy const SkGlyph& skiaGlyph = GET_METRICS(paint, glyph, &mDescription.mLookupTransform); 4639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mIsValid = false; 464a4adcf0239039eb8f005be252409901c41b28839Romain Guy newGlyph->mGlyphIndex = skiaGlyph.fID; 4659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy updateGlyphCache(paint, skiaGlyph, newGlyph, precaching); 4679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newGlyph; 4699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 471e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain GuyFont* Font::create(FontRenderer* state, const SkPaint* paint, const mat4& matrix) { 472e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontDescription description(paint, matrix); 473e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy Font* font = state->mActiveFonts.get(description); 474e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 475a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!font) { 476a4adcf0239039eb8f005be252409901c41b28839Romain Guy font = new Font(state, description); 477a4adcf0239039eb8f005be252409901c41b28839Romain Guy state->mActiveFonts.put(description, font); 4789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 479624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy font->mIdentityTransform = matrix.isIdentity(); 4809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 481a4adcf0239039eb8f005be252409901c41b28839Romain Guy return font; 4829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace uirenderer 4859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace android 486