FontRenderer.h revision a1717271caac5e8ea3808c331d4141ac01a42134
1694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy/* 2694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * Copyright (C) 2010 The Android Open Source Project 3694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * 4694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * you may not use this file except in compliance with the License. 6694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * You may obtain a copy of the License at 7694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * 8694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * 10694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * Unless required by applicable law or agreed to in writing, software 11694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * See the License for the specific language governing permissions and 14694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy * limitations under the License. 15694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy */ 16694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_FONT_RENDERER_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_FONT_RENDERER_H 19694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2096a5c4c7bab6718524de7253da8309143ab48befChris Craik#include "font/FontUtil.h" 2196a5c4c7bab6718524de7253da8309143ab48befChris Craik#include "font/CacheTexture.h" 2296a5c4c7bab6718524de7253da8309143ab48befChris Craik#include "font/CachedGlyphInfo.h" 2396a5c4c7bab6718524de7253da8309143ab48befChris Craik#include "font/Font.h" 2496a5c4c7bab6718524de7253da8309143ab48befChris Craik 25e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#include <utils/LruCache.h> 261f5762e646bed2290934280464832782766ee68eMathias Agopian#include <utils/StrongPointer.h> 27694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 28694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkPaint.h> 29694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 30694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <GLES2/gl2.h> 31694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 32272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck#include <vector> 33272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck 34e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#ifdef ANDROID_ENABLE_RENDERSCRIPT 35250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray#include "RenderScript.h" 36f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craiknamespace RSC { 37f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik class Element; 38f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik class RS; 39f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik class ScriptIntrinsicBlur; 40250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray class sp; 41f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik} 42e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#endif 43f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 44694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guynamespace android { 45694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guynamespace uirenderer { 46694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 47a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 48a1717271caac5e8ea3808c331d4141ac01a42134Chris Craikclass BakedOpState; 49a1717271caac5e8ea3808c331d4141ac01a42134Chris Craikclass BakedOpRenderer; 50a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#else 511e546815bbb736c50679a8aefc25f48561026fc5Victoria Leaseclass OpenGLRenderer; 52a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 531e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 54828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craikclass TextDrawFunctor { 551e546815bbb736c50679a8aefc25f48561026fc5Victoria Leasepublic: 56a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik TextDrawFunctor( 57a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 58a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik BakedOpRenderer* renderer, 59a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik const BakedOpState* bakedState, 60a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#else 61a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik OpenGLRenderer* renderer, 62a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 63a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik float x, float y, bool pureTranslate, 6496a5c4c7bab6718524de7253da8309143ab48befChris Craik int alpha, SkXfermode::Mode mode, const SkPaint* paint) 6596a5c4c7bab6718524de7253da8309143ab48befChris Craik : renderer(renderer) 66a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 67a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik , bakedState(bakedState) 68a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 6996a5c4c7bab6718524de7253da8309143ab48befChris Craik , x(x) 7096a5c4c7bab6718524de7253da8309143ab48befChris Craik , y(y) 7196a5c4c7bab6718524de7253da8309143ab48befChris Craik , pureTranslate(pureTranslate) 7296a5c4c7bab6718524de7253da8309143ab48befChris Craik , alpha(alpha) 7396a5c4c7bab6718524de7253da8309143ab48befChris Craik , mode(mode) 7496a5c4c7bab6718524de7253da8309143ab48befChris Craik , paint(paint) { 751e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease } 761e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 77e2bb380bc26749782c873e5488cfdf4e42b27346Chris Craik void draw(CacheTexture& texture, bool linearFiltering); 781e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 79a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 80a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik BakedOpRenderer* renderer; 81a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik const BakedOpState* bakedState; 82a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#else 831e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease OpenGLRenderer* renderer; 84a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 851e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease float x; 861e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease float y; 871e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease bool pureTranslate; 881e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease int alpha; 891e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease SkXfermode::Mode mode; 90d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint; 911e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease}; 921e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 93694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer { 94694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 95c08820f587ad94698691a6657e87712de07e484cChris Craik FontRenderer(const uint8_t* gammaTable); 96694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~FontRenderer(); 97694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 98272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck void flushLargeCaches(std::vector<CacheTexture*>& cacheTextures); 999a8245629d69d81e0b62e52970feaf9c02580e75Chet Haase void flushLargeCaches(); 100694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 10159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik void setFont(const SkPaint* paint, const SkMatrix& matrix); 102e816baea651476aca4407200d4a5e629b9ab8dfaChet Haase 10359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik void precache(const SkPaint* paint, const char* text, int numGlyphs, const SkMatrix& matrix); 104cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy void endPrecaching(); 105e816baea651476aca4407200d4a5e629b9ab8dfaChet Haase 106d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool renderPosText(const SkPaint* paint, const Rect* clip, const char *text, 107a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik int numGlyphs, int x, int y, const float* positions, 108a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik Rect* outBounds, TextDrawFunctor* functor, bool forceFinish = true); 109527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 110d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool renderTextOnPath(const SkPaint* paint, const Rect* clip, const char *text, 111a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik int numGlyphs, const SkPath* path, 112a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik float hOffset, float vOffset, Rect* outBounds, TextDrawFunctor* functor); 113694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 114f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk struct DropShadow { 115f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t width; 116f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t height; 117f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t* image; 118f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penX; 119f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penY; 120f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 121f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 122f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // After renderDropShadow returns, the called owns the memory in DropShadow.image 123f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // and is responsible for releasing it when it's done with it 124a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik DropShadow renderDropShadow(const SkPaint* paint, const char *text, int numGlyphs, 125a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik float radius, const float* positions); 126f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 127257ae3502cfad43df681b1783528d645bdabc63fRomain Guy void setTextureFiltering(bool linearFiltering) { 1288087246d9964b11de8ce116bc63b156faa4197e0Romain Guy mLinearFiltering = linearFiltering; 129c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 130c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1311e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease uint32_t getCacheSize(GLenum format) const; 132c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1339b1204baf4740b4d443e72157dea98571cf84e1fRomain Guyprivate: 134694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class Font; 135694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 136b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy const uint8_t* mGammaTable; 137b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 1382a47c14e2a6f152496b43104bc785c488583fd59Chet Haase void allocateTextureMemory(CacheTexture* cacheTexture); 1399a8245629d69d81e0b62e52970feaf9c02580e75Chet Haase void deallocateTextureMemory(CacheTexture* cacheTexture); 1407de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase void initTextTexture(); 1411e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease CacheTexture* createCacheTexture(int width, int height, GLenum format, bool allocate); 1427de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase void cacheBitmap(const SkGlyph& glyph, CachedGlyphInfo* cachedGlyph, 143f942cf10e04567f6b9456f6258e29c803b8bfb41Chet Haase uint32_t *retOriginX, uint32_t *retOriginY, bool precaching); 144272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck CacheTexture* cacheBitmapInTexture(std::vector<CacheTexture*>& cacheTextures, const SkGlyph& glyph, 1451e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease uint32_t* startX, uint32_t* startY); 146694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 147694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void flushAllAndInvalidate(); 148694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 149694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void checkInit(); 150828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik void initRender(const Rect* clip, Rect* bounds, TextDrawFunctor* functor); 151671d6cf460531825a321edb200523d0faa7792c9Romain Guy void finishRender(); 152694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 153272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck void issueDrawCommand(std::vector<CacheTexture*>& cacheTextures); 154694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void issueDrawCommand(); 1559777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy void appendMeshQuadNoClip(float x1, float y1, float u1, float v1, 1569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x2, float y2, float u2, float v2, 1579777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x3, float y3, float u3, float v3, 1589777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x4, float y4, float u4, float v4, CacheTexture* texture); 159d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy void appendMeshQuad(float x1, float y1, float u1, float v1, 160d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy float x2, float y2, float u2, float v2, 161d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy float x3, float y3, float u3, float v3, 1627de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase float x4, float y4, float u4, float v4, CacheTexture* texture); 1639777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy void appendRotatedMeshQuad(float x1, float y1, float u1, float v1, 1649777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x2, float y2, float u2, float v2, 1659777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x3, float y3, float u3, float v3, 1669777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x4, float y4, float u4, float v4, CacheTexture* texture); 167694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1689b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void checkTextureUpdate(); 1699b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1709b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void setTextureDirty() { 1719b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mUploadTexture = true; 1729b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy } 1739b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1747de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase uint32_t mSmallCacheWidth; 1757de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase uint32_t mSmallCacheHeight; 176eb32a499194119b3783b86c925172df02e5d2685Chet Haase uint32_t mLargeCacheWidth; 177eb32a499194119b3783b86c925172df02e5d2685Chet Haase uint32_t mLargeCacheHeight; 178694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 179272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck std::vector<CacheTexture*> mACacheTextures; 180272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck std::vector<CacheTexture*> mRGBACacheTextures; 181694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 18209147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy Font* mCurrentFont; 183e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy LruCache<Font::FontDescription, Font*> mActiveFonts; 184694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1857de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase CacheTexture* mCurrentCacheTexture; 1867de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase 187694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mUploadTexture; 188694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 189828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik TextDrawFunctor* mFunctor; 19009147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect* mClip; 1915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect* mBounds; 1925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool mDrawn; 19309147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 194694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mInitialized; 19589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk 196e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy bool mLinearFiltering; 197e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 198e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#ifdef ANDROID_ENABLE_RENDERSCRIPT 199f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik // RS constructs 200250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<RSC::RS> mRs; 201250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<const RSC::Element> mRsElement; 202250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<RSC::ScriptIntrinsicBlur> mRsScript; 203e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#endif 204f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 2059b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void computeGaussianWeights(float* weights, int32_t radius); 2069b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void horizontalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 2089b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void verticalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 210f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 211f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik // the input image handle may have its pointer replaced (to avoid copies) 212e392c81f6b8f9ace0c0a48c9d4df117fda31fd13Derek Sollenberger void blurImage(uint8_t** image, int32_t width, int32_t height, float radius); 213694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 214694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 215694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 216694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 217694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_FONT_RENDERER_H 219