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#include "utils/SortedList.h" 2596a5c4c7bab6718524de7253da8309143ab48befChris Craik 26e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#include <utils/LruCache.h> 27694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <utils/Vector.h> 281f5762e646bed2290934280464832782766ee68eMathias Agopian#include <utils/StrongPointer.h> 29694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 30694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkPaint.h> 31694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 32694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <GLES2/gl2.h> 33694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 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 471e546815bbb736c50679a8aefc25f48561026fc5Victoria Leaseclass OpenGLRenderer; 481e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 49828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craikclass TextDrawFunctor { 501e546815bbb736c50679a8aefc25f48561026fc5Victoria Leasepublic: 51828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik TextDrawFunctor(OpenGLRenderer* renderer, float x, float y, bool pureTranslate, 5296a5c4c7bab6718524de7253da8309143ab48befChris Craik int alpha, SkXfermode::Mode mode, const SkPaint* paint) 5396a5c4c7bab6718524de7253da8309143ab48befChris Craik : renderer(renderer) 5496a5c4c7bab6718524de7253da8309143ab48befChris Craik , x(x) 5596a5c4c7bab6718524de7253da8309143ab48befChris Craik , y(y) 5696a5c4c7bab6718524de7253da8309143ab48befChris Craik , pureTranslate(pureTranslate) 5796a5c4c7bab6718524de7253da8309143ab48befChris Craik , alpha(alpha) 5896a5c4c7bab6718524de7253da8309143ab48befChris Craik , mode(mode) 5996a5c4c7bab6718524de7253da8309143ab48befChris Craik , paint(paint) { 601e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease } 611e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 62e2bb380bc26749782c873e5488cfdf4e42b27346Chris Craik void draw(CacheTexture& texture, bool linearFiltering); 631e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 641e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease OpenGLRenderer* renderer; 651e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease float x; 661e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease float y; 671e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease bool pureTranslate; 681e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease int alpha; 691e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease SkXfermode::Mode mode; 70d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint; 711e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease}; 721e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease 73694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer { 74694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 75694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer(); 76694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~FontRenderer(); 77694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 781e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease void flushLargeCaches(Vector<CacheTexture*>& cacheTextures); 799a8245629d69d81e0b62e52970feaf9c02580e75Chet Haase void flushLargeCaches(); 80694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 81b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy void setGammaTable(const uint8_t* gammaTable) { 82b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mGammaTable = gammaTable; 83b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy } 84b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 8559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik void setFont(const SkPaint* paint, const SkMatrix& matrix); 86e816baea651476aca4407200d4a5e629b9ab8dfaChet Haase 8759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik void precache(const SkPaint* paint, const char* text, int numGlyphs, const SkMatrix& matrix); 88cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy void endPrecaching(); 89e816baea651476aca4407200d4a5e629b9ab8dfaChet Haase 90671d6cf460531825a321edb200523d0faa7792c9Romain Guy // bounds is an out parameter 91d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool renderPosText(const SkPaint* paint, const Rect* clip, const char *text, 92d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik uint32_t startIndex, uint32_t len, int numGlyphs, int x, int y, const float* positions, 93828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik Rect* bounds, TextDrawFunctor* functor, bool forceFinish = true); 94527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy // bounds is an out parameter 96d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool renderTextOnPath(const SkPaint* paint, const Rect* clip, const char *text, 97d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik uint32_t startIndex, uint32_t len, int numGlyphs, const SkPath* path, 98828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik float hOffset, float vOffset, Rect* bounds, TextDrawFunctor* functor); 99694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 100f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk struct DropShadow { 101f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t width; 102f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t height; 103f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t* image; 104f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penX; 105f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penY; 106f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 107f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 108f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // After renderDropShadow returns, the called owns the memory in DropShadow.image 109f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // and is responsible for releasing it when it's done with it 110d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik DropShadow renderDropShadow(const SkPaint* paint, const char *text, uint32_t startIndex, 111e392c81f6b8f9ace0c0a48c9d4df117fda31fd13Derek Sollenberger uint32_t len, int numGlyphs, float radius, const float* positions); 112f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 113257ae3502cfad43df681b1783528d645bdabc63fRomain Guy void setTextureFiltering(bool linearFiltering) { 1148087246d9964b11de8ce116bc63b156faa4197e0Romain Guy mLinearFiltering = linearFiltering; 115c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 116c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1171e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease uint32_t getCacheSize(GLenum format) const; 118c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 1199b1204baf4740b4d443e72157dea98571cf84e1fRomain Guyprivate: 120694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class Font; 121694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 122b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy const uint8_t* mGammaTable; 123b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 1242a47c14e2a6f152496b43104bc785c488583fd59Chet Haase void allocateTextureMemory(CacheTexture* cacheTexture); 1259a8245629d69d81e0b62e52970feaf9c02580e75Chet Haase void deallocateTextureMemory(CacheTexture* cacheTexture); 1267de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase void initTextTexture(); 1271e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease CacheTexture* createCacheTexture(int width, int height, GLenum format, bool allocate); 1287de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase void cacheBitmap(const SkGlyph& glyph, CachedGlyphInfo* cachedGlyph, 129f942cf10e04567f6b9456f6258e29c803b8bfb41Chet Haase uint32_t *retOriginX, uint32_t *retOriginY, bool precaching); 1301e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease CacheTexture* cacheBitmapInTexture(Vector<CacheTexture*>& cacheTextures, const SkGlyph& glyph, 1311e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease uint32_t* startX, uint32_t* startY); 132694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 133694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void flushAllAndInvalidate(); 134694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 135694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void checkInit(); 136828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik void initRender(const Rect* clip, Rect* bounds, TextDrawFunctor* functor); 137671d6cf460531825a321edb200523d0faa7792c9Romain Guy void finishRender(); 138694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1391e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease void issueDrawCommand(Vector<CacheTexture*>& cacheTextures); 140694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void issueDrawCommand(); 1419777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy void appendMeshQuadNoClip(float x1, float y1, float u1, float v1, 1429777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x2, float y2, float u2, float v2, 1439777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x3, float y3, float u3, float v3, 1449777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x4, float y4, float u4, float v4, CacheTexture* texture); 145d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy void appendMeshQuad(float x1, float y1, float u1, float v1, 146d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy float x2, float y2, float u2, float v2, 147d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy float x3, float y3, float u3, float v3, 1487de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase float x4, float y4, float u4, float v4, CacheTexture* texture); 1499777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy void appendRotatedMeshQuad(float x1, float y1, float u1, float v1, 1509777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x2, float y2, float u2, float v2, 1519777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x3, float y3, float u3, float v3, 1529777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy float x4, float y4, float u4, float v4, CacheTexture* texture); 153694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1549b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void removeFont(const Font* font); 1559b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1569b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void checkTextureUpdate(); 1579b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1589b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy void setTextureDirty() { 1599b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy mUploadTexture = true; 1609b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy } 1619b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy 1627de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase uint32_t mSmallCacheWidth; 1637de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase uint32_t mSmallCacheHeight; 164eb32a499194119b3783b86c925172df02e5d2685Chet Haase uint32_t mLargeCacheWidth; 165eb32a499194119b3783b86c925172df02e5d2685Chet Haase uint32_t mLargeCacheHeight; 166694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1671e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease Vector<CacheTexture*> mACacheTextures; 1681e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease Vector<CacheTexture*> mRGBACacheTextures; 169694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 17009147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy Font* mCurrentFont; 171e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy LruCache<Font::FontDescription, Font*> mActiveFonts; 172694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1737de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase CacheTexture* mCurrentCacheTexture; 1747de0cb12d0e5fd64811da0b5d1ae0c0d58b86f86Chet Haase 175694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mUploadTexture; 176694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 177828407356dd5c34a3e441604aaf895cbec7c7e66Chris Craik TextDrawFunctor* mFunctor; 17809147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect* mClip; 1795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect* mBounds; 1805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool mDrawn; 18109147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 182694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mInitialized; 18389a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk 184e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy bool mLinearFiltering; 185e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 186e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#ifdef ANDROID_ENABLE_RENDERSCRIPT 187f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik // RS constructs 188250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<RSC::RS> mRs; 189250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<const RSC::Element> mRsElement; 190250b1cfc831fd2a271c09cab547efcc5e3d5f828Tim Murray RSC::sp<RSC::ScriptIntrinsicBlur> mRsScript; 191e4d9a01bfc7451afff1ed399a5801c7aa2af2831Dan Morrill#endif 192f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 1939b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void computeGaussianWeights(float* weights, int32_t radius); 1949b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void horizontalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 1951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 1969b1204baf4740b4d443e72157dea98571cf84e1fRomain Guy static void verticalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 1971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 198f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik 199f2d8ccc15d7272b3416f73605c1f31d1d346bd40Chris Craik // the input image handle may have its pointer replaced (to avoid copies) 200e392c81f6b8f9ace0c0a48c9d4df117fda31fd13Derek Sollenberger void blurImage(uint8_t** image, int32_t width, int32_t height, float radius); 201694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 202694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 203694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 204694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 205694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_FONT_RENDERER_H 207