Font.cpp revision c74f45a334f0e3725c23cdd270cbcb0efac4ea75
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(); 55c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mLookupTransform[SkMatrix::kMScaleX] = matrix.data[mat4::kScaleX]; 56c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mLookupTransform[SkMatrix::kMScaleY] = matrix.data[mat4::kScaleY]; 57c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mLookupTransform[SkMatrix::kMSkewX] = matrix.data[mat4::kSkewX]; 58c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mLookupTransform[SkMatrix::kMSkewY] = matrix.data[mat4::kSkewY]; 59e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 619f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyFont::~Font() { 629b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mState->removeFont(this); 639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 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)); 78c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleX])); 79c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMScaleY])); 80c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMSkewX])); 81c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy hash = JenkinsHashMix(hash, android::hash_type(mLookupTransform[SkMatrix::kMSkewY])); 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 121c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMSkewX] < 122c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMSkewX]) return -1; 123c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMSkewX] > 124c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMSkewX]) return +1; 125c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 126c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMSkewY] < 127c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMSkewY]) return -1; 128c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (lhs.mLookupTransform[SkMatrix::kMSkewY] > 129c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy rhs.mLookupTransform[SkMatrix::kMSkewY]) return +1; 130c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 131e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return 0; 132e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy} 133e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 1348087246d9964b11de8ce116bc63b156faa4197e0Romain Guyvoid Font::invalidateTextureCache(CacheTexture* cacheTexture) { 1359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 1369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueAt(i); 137521dc51fd411285f900c083a4fe560d2ed7c3f8aRomain Guy if (!cacheTexture || cachedGlyph->mCacheTexture == cacheTexture) { 1389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph->mIsValid = false; 1399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 1449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 1459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 1469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 1479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int width = (int) glyph->mBitmapWidth; 1499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int height = (int) glyph->mBitmapHeight; 1509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->bottom > nPenY) { 1529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->bottom = nPenY; 1539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->left > nPenX) { 1559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->left = nPenX; 1569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->right < nPenX + width) { 1589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->right = nPenX + width; 1599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->top < nPenY + height) { 1619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->top = nPenY + height; 1629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int x, int y, 1669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 167e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float nPenX = x + glyph->mBitmapLeft; 168e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float nPenY = y + (glyph->mBitmapTop + glyph->mBitmapHeight); 169e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 170e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float width = (float) glyph->mBitmapWidth; 171e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy float height = (float) glyph->mBitmapHeight; 1729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u1 = glyph->mBitmapMinU; 1749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u2 = glyph->mBitmapMaxU; 1759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v1 = glyph->mBitmapMinV; 1769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v2 = glyph->mBitmapMaxV; 1779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendMeshQuad(nPenX, nPenY, u1, v2, 1799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY, u2, v2, 1809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY - height, u2, v1, 1819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX, nPenY - height, u1, v1, glyph->mCacheTexture); 1829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyphBitmap(CachedGlyphInfo* glyph, int x, int y, 1859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 1869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 1879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 1889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = glyph->mStartX + glyph->mBitmapWidth; 1909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = glyph->mStartY + glyph->mBitmapHeight; 1919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1928087246d9964b11de8ce116bc63b156faa4197e0Romain Guy CacheTexture* cacheTexture = glyph->mCacheTexture; 1938087246d9964b11de8ce116bc63b156faa4197e0Romain Guy uint32_t cacheWidth = cacheTexture->getWidth(); 1948087246d9964b11de8ce116bc63b156faa4197e0Romain Guy const uint8_t* cacheBuffer = cacheTexture->getTexture(); 1959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t cacheX = 0, cacheY = 0; 1979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int32_t bX = 0, bY = 0; 1989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (cacheX = glyph->mStartX, bX = nPenX; cacheX < endX; cacheX++, bX++) { 1999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (cacheY = glyph->mStartY, bY = nPenY; cacheY < endY; cacheY++, bY++) { 2009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t tempCol = cacheBuffer[cacheY * cacheWidth + cacheX]; 2019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bitmap[bY * bitmapW + bX] = tempCol; 2029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, float x, float hOffset, float vOffset, 2079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure& measure, SkPoint* position, SkVector* tangent) { 2089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float halfWidth = glyph->mBitmapWidth * 0.5f; 2099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float height = glyph->mBitmapHeight; 2109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy vOffset += glyph->mBitmapTop + height; 2129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint destination[4]; 214e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy bool ok = measure.getPosTan(x + hOffset + glyph->mBitmapLeft + halfWidth, position, tangent); 215e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy if (!ok) { 216e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy ALOGW("The path for drawTextOnPath is empty or null"); 217e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy } 2189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Move along the tangent and offset by the normal 2209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].set(-tangent->fX * halfWidth - tangent->fY * vOffset, 2219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy -tangent->fY * halfWidth + tangent->fX * vOffset); 2229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].set(tangent->fX * halfWidth - tangent->fY * vOffset, 2239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy tangent->fY * halfWidth + tangent->fX * vOffset); 2249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[2].set(destination[1].fX + tangent->fY * height, 2259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].fY - tangent->fX * height); 2269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[3].set(destination[0].fX + tangent->fY * height, 2279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].fY - tangent->fX * height); 2289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u1 = glyph->mBitmapMinU; 2309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u2 = glyph->mBitmapMaxU; 2319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v1 = glyph->mBitmapMinV; 2329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v2 = glyph->mBitmapMaxV; 2339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendRotatedMeshQuad( 2359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[0].fX, 2369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[0].fY, u1, v2, 2379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[1].fX, 2389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[1].fY, u2, v2, 2399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[2].fX, 2409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[2].fY, u2, v1, 2419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[3].fX, 2429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[3].fY, u1, v1, 2439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mCacheTexture); 2449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2469f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyCachedGlyphInfo* Font::getCachedGlyph(SkPaint* paint, glyph_t textUnit, bool precaching) { 2479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = NULL; 2489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ssize_t index = mCachedGlyphs.indexOfKey(textUnit); 2499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (index >= 0) { 2509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = mCachedGlyphs.valueAt(index); 251c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 252c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy // Is the glyph still in texture cache? 253c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (!cachedGlyph->mIsValid) { 254c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy const SkGlyph& skiaGlyph = GET_METRICS(paint, textUnit, &mDescription.mLookupTransform); 255c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy updateGlyphCache(paint, skiaGlyph, cachedGlyph, precaching); 256c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy } 2579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 2589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = cacheGlyph(paint, textUnit, precaching); 2599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return cachedGlyph; 2629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, const float* positions) { 2669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, x, y, FRAMEBUFFER, NULL, 2679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 0, 0, NULL, positions); 2689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, SkPath* path, float hOffset, float vOffset) { 2729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 2739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 2749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 2779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 2799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkFixed prevRsbDelta = 0; 2809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float penX = 0.0f; 2829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint position; 2849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkVector tangent; 2859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure measure(*path, false); 2879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathLength = SkScalarToFloat(measure.getLength()); 2889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() != SkPaint::kLeft_Align) { 2909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float textWidth = SkScalarToFloat(paint->measureText(text, len)); 2919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathOffset = pathLength; 2929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() == SkPaint::kCenter_Align) { 2939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy textWidth *= 0.5f; 2949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy pathOffset *= 0.5f; 2959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += pathOffset - textWidth; 2979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs && penX < pathLength) { 3009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(AUTO_KERN(prevRsbDelta, cachedGlyph->mLsbDelta)); 3089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy prevRsbDelta = cachedGlyph->mRsbDelta; 3099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (cachedGlyph->mIsValid) { 3119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy drawCachedGlyph(cachedGlyph, penX, hOffset, vOffset, measure, &position, &tangent); 3129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(cachedGlyph->mAdvanceX); 3159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measure(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 3219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, Rect *bounds, const float* positions) { 3229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds == NULL) { 3239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ALOGE("No return rectangle provided to measure text"); 3249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->set(1e6, -1e6, -1e6, 1e6); 3279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, 0, 0, MEASURE, NULL, 0, 0, bounds, positions); 3289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::precache(SkPaint* paint, const char* text, int numGlyphs) { 3319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL) { 3339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 3389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 3419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph, true); 3469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 3529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, RenderMode mode, uint8_t *bitmap, 3539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* positions) { 3549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 3559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy static RenderGlyph gRenderGlyph[] = { 3599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyph, 3609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 3619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::measureCachedGlyph 3629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy }; 3639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy RenderGlyph render = gRenderGlyph[mode]; 3649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 3669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 368e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy const SkPaint::Align align = paint->getTextAlign(); 3699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 370e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy while (glyphsCount < numGlyphs) { 371e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyph_t glyph = GET_GLYPH(text); 3729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 373e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy // Reached the end of the string 374e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (IS_END_OF_STRING(glyph)) { 375e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy break; 3769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 378e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 380e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 381e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (cachedGlyph->mIsValid) { 382c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy float penX = x + positions[(glyphsCount << 1)]; 383c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy float penY = y + positions[(glyphsCount << 1) + 1]; 384c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 385c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy if (!mTransform.isIdentity()) { 386c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mTransform.mapPoint(penX, penY); 3879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 389c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy (*this.*render)(cachedGlyph, roundf(penX), roundf(penY), 390e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy bitmap, bitmapW, bitmapH, bounds, positions); 3919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 392e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 393e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy glyphsCount++; 3949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo* glyph, 3989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bool precaching) { 3999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceX = skiaGlyph.fAdvanceX; 4009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceY = skiaGlyph.fAdvanceY; 4019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapLeft = skiaGlyph.fLeft; 4029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapTop = skiaGlyph.fTop; 4039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mLsbDelta = skiaGlyph.fLsbDelta; 4049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mRsbDelta = skiaGlyph.fRsbDelta; 4059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startX = 0; 4079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startY = 0; 4089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Get the bitmap for the glyph 410b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy if (!skiaGlyph.fImage) { 411c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy paint->findImage(skiaGlyph, &mDescription.mLookupTransform); 412b969a0de65730b071d846f8302e751e2637e6dbeRomain Guy } 4139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->cacheBitmap(skiaGlyph, glyph, &startX, &startY, precaching); 4149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (!glyph->mIsValid) { 4169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 4179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = startX + skiaGlyph.fWidth; 4209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = startY + skiaGlyph.fHeight; 4219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartX = startX; 4239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartY = startY; 4249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapWidth = skiaGlyph.fWidth; 4259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapHeight = skiaGlyph.fHeight; 4269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4278087246d9964b11de8ce116bc63b156faa4197e0Romain Guy uint32_t cacheWidth = glyph->mCacheTexture->getWidth(); 4288087246d9964b11de8ce116bc63b156faa4197e0Romain Guy uint32_t cacheHeight = glyph->mCacheTexture->getHeight(); 4299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMinU = startX / (float) cacheWidth; 4319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMinV = startY / (float) cacheHeight; 4329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMaxU = endX / (float) cacheWidth; 4339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMaxV = endY / (float) cacheHeight; 4349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4359b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mState->setTextureDirty(); 4369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4389f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyCachedGlyphInfo* Font::cacheGlyph(SkPaint* paint, glyph_t glyph, bool precaching) { 4399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* newGlyph = new CachedGlyphInfo(); 4409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mCachedGlyphs.add(glyph, newGlyph); 4419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 442c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy const SkGlyph& skiaGlyph = GET_METRICS(paint, glyph, &mDescription.mLookupTransform); 4439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mGlyphIndex = skiaGlyph.fID; 4449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mIsValid = false; 4459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy updateGlyphCache(paint, skiaGlyph, newGlyph, precaching); 4479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newGlyph; 4499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 451e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain GuyFont* Font::create(FontRenderer* state, const SkPaint* paint, const mat4& matrix) { 452e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontDescription description(paint, matrix); 453e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy Font* font = state->mActiveFonts.get(description); 454e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 455e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (font) { 456c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy font->mTransform.load(matrix); 457e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy return font; 4589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 460e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy Font* newFont = new Font(state, description); 461e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy state->mActiveFonts.put(description, newFont); 4629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newFont; 4639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace uirenderer 4669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace android 467