FontRenderer.h revision e4db79de127cfe961195f52907af8451026eaa20
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; 50e4db79de127cfe961195f52907af8451026eaa20Chris Craikstruct ClipBase; 51a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#else 521e546815bbb736c50679a8aefc25f48561026fc5Victoria Leaseclass OpenGLRenderer; 53a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 541e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 55828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craikclass TextDrawFunctor { 561e546815bbb736c50679a8aefc25f48561026fc5Victoria Leasepublic: 57a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik TextDrawFunctor( 58a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 59a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik BakedOpRenderer* renderer, 60a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik const BakedOpState* bakedState, 61e4db79de127cfe961195f52907af8451026eaa20Chris Craik const ClipBase* clip, 62a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#else 63a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik OpenGLRenderer* renderer, 64a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 65a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik float x, float y, bool pureTranslate, 6696a5c4c7bab6718524de7253da8309143ab48befChris Craik int alpha, SkXfermode::Mode mode, const SkPaint* paint) 6796a5c4c7bab6718524de7253da8309143ab48befChris Craik : renderer(renderer) 68a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 69a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik , bakedState(bakedState) 7015c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik , clip(clip) 71a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 7296a5c4c7bab6718524de7253da8309143ab48befChris Craik , x(x) 7396a5c4c7bab6718524de7253da8309143ab48befChris Craik , y(y) 7496a5c4c7bab6718524de7253da8309143ab48befChris Craik , pureTranslate(pureTranslate) 7596a5c4c7bab6718524de7253da8309143ab48befChris Craik , alpha(alpha) 7696a5c4c7bab6718524de7253da8309143ab48befChris Craik , mode(mode) 7796a5c4c7bab6718524de7253da8309143ab48befChris Craik , paint(paint) { 781e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease } 791e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 80e2bb380bc26749782c873e5488cfdf4e42b27346Chris Craik void draw(CacheTexture& texture, bool linearFiltering); 811e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 82a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#if HWUI_NEW_OPS 83a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik BakedOpRenderer* renderer; 84a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik const BakedOpState* bakedState; 85e4db79de127cfe961195f52907af8451026eaa20Chris Craik const ClipBase* clip; 86a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#else 871e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease OpenGLRenderer* renderer; 88a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#endif 891e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease float x; 901e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease float y; 911e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease bool pureTranslate; 921e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease int alpha; 931e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease SkXfermode::Mode mode; 94d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint; 951e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease}; 961e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 97694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer { 98694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 99c08820f587ad94698691a6657e87712de07e484cChris Craik FontRenderer(const uint8_t* gammaTable); 100694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~FontRenderer(); 101694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 102272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck void flushLargeCaches(std::vector<CacheTexture*>& cacheTextures); 1039a8245629d69d81e0b62e52970feaf9c02580e75Chet Haase void flushLargeCaches(); 104694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 10559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik void setFont(const SkPaint* paint, const SkMatrix& matrix); 106e816baea651476aca4407200d4a5e629b9ab8dfaChet Haase 10759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik void precache(const SkPaint* paint, const char* text, int numGlyphs, const SkMatrix& matrix); 108cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy void endPrecaching(); 109e816baea651476aca4407200d4a5e629b9ab8dfaChet Haase 110d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool renderPosText(const SkPaint* paint, const Rect* clip, const char *text, 111a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik int numGlyphs, int x, int y, const float* positions, 112a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik Rect* outBounds, TextDrawFunctor* functor, bool forceFinish = true); 113527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 114d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool renderTextOnPath(const SkPaint* paint, const Rect* clip, const char *text, 115a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik int numGlyphs, const SkPath* path, 116a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik float hOffset, float vOffset, Rect* outBounds, TextDrawFunctor* functor); 117694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 118f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk struct DropShadow { 119f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t width; 120f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t height; 121f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t* image; 122f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penX; 123f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penY; 124f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 125f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 126f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // After renderDropShadow returns, the called owns the memory in DropShadow.image 127f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // and is responsible for releasing it when it's done with it 128a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik DropShadow renderDropShadow(const SkPaint* paint, const char *text, int numGlyphs, 129a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik float radius, const float* positions); 130f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 131257ae3502cfad43df681b1783528d645bdabc63fRomain Guy void setTextureFiltering(bool linearFiltering) { 1328087246d9964b11de8ce116bc63b156faa4197e0Romain Guy mLinearFiltering = linearFiltering; 133c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 134c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1351e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease uint32_t getCacheSize(GLenum format) const; 136c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1379b1204baf4740b4d443e72157dea98571cf84e1fRomain Guyprivate: 138694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class Font; 139694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 140b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy const uint8_t* mGammaTable; 141b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 1422a47c14e2a6f152496b43104bc785c488583fd59Chet Haase void allocateTextureMemory(CacheTexture* cacheTexture); 1439a8245629d69d81e0b62e52970feaf9c02580e75Chet Haase void deallocateTextureMemory(CacheTexture* cacheTexture); 1447de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase void initTextTexture(); 1451e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease CacheTexture* createCacheTexture(int width, int height, GLenum format, bool allocate); 1467de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase void cacheBitmap(const SkGlyph& glyph, CachedGlyphInfo* cachedGlyph, 147f942cf10e04567f6b9456f6258e29c803b8bfb41Chet Haase uint32_t *retOriginX, uint32_t *retOriginY, bool precaching); 148272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck CacheTexture* cacheBitmapInTexture(std::vector<CacheTexture*>& cacheTextures, const SkGlyph& glyph, 1491e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease uint32_t* startX, uint32_t* startY); 150694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 151694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void flushAllAndInvalidate(); 152694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 153694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void checkInit(); 154828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik void initRender(const Rect* clip, Rect* bounds, TextDrawFunctor* functor); 155671d6cf460531825a321edb200523d0faa7792c9Romain Guy void finishRender(); 156694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 157272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck void issueDrawCommand(std::vector<CacheTexture*>& cacheTextures); 158694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void issueDrawCommand(); 1599777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy void appendMeshQuadNoClip(float x1, float y1, float u1, float v1, 1609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x2, float y2, float u2, float v2, 1619777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x3, float y3, float u3, float v3, 1629777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x4, float y4, float u4, float v4, CacheTexture* texture); 163d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy void appendMeshQuad(float x1, float y1, float u1, float v1, 164d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy float x2, float y2, float u2, float v2, 165d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy float x3, float y3, float u3, float v3, 1667de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase float x4, float y4, float u4, float v4, CacheTexture* texture); 1679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy void appendRotatedMeshQuad(float x1, float y1, float u1, float v1, 1689777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x2, float y2, float u2, float v2, 1699777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x3, float y3, float u3, float v3, 1709777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x4, float y4, float u4, float v4, CacheTexture* texture); 171694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1729b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void checkTextureUpdate(); 1739b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1749b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void setTextureDirty() { 1759b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mUploadTexture = true; 1769b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy } 1779b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1787de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase uint32_t mSmallCacheWidth; 1797de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase uint32_t mSmallCacheHeight; 180eb32a499194119b3783b86c925172df02e5d2685Chet Haase uint32_t mLargeCacheWidth; 181eb32a499194119b3783b86c925172df02e5d2685Chet Haase uint32_t mLargeCacheHeight; 182694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 183272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck std::vector<CacheTexture*> mACacheTextures; 184272a685f17cc4828257e521a6f62b7b17870f75eJohn Reck std::vector<CacheTexture*> mRGBACacheTextures; 185694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 18609147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy Font* mCurrentFont; 187e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy LruCache<Font::FontDescription, Font*> mActiveFonts; 188694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1897de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase CacheTexture* mCurrentCacheTexture; 1907de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase 191694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mUploadTexture; 192694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 193828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik TextDrawFunctor* mFunctor; 19409147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect* mClip; 1955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect* mBounds; 1965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool mDrawn; 19709147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 198694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mInitialized; 19989a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk 200e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy bool mLinearFiltering; 201e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 202e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#ifdef ANDROID_ENABLE_RENDERSCRIPT 203f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik // RS constructs 204250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<RSC::RS> mRs; 205250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<const RSC::Element> mRsElement; 206250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<RSC::ScriptIntrinsicBlur> mRsScript; 207e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#endif 208f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 2099b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void computeGaussianWeights(float* weights, int32_t radius); 2109b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void horizontalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 2129b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void verticalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 214f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 215f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik // the input image handle may have its pointer replaced (to avoid copies) 216e392c81f6b8f9ace0c0a48c9d4df117fda31fd13Derek Sollenberger void blurImage(uint8_t** image, int32_t width, int32_t height, float radius); 217694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 218694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 219694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 220694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 221694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_FONT_RENDERER_H 223