FontRenderer.h revision b45c0c9774bd19a9dbe77d149abae4e124b08bf6
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 17694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#ifndef ANDROID_UI_FONT_RENDERER_H 18694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#define ANDROID_UI_FONT_RENDERER_H 19694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 20694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <utils/String8.h> 2165ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk#include <utils/String16.h> 22694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <utils/Vector.h> 23694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <utils/KeyedVector.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkScalerContext.h> 26694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkPaint.h> 27694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 28694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <GLES2/gl2.h> 29694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 3009147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy#include "Rect.h" 3151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Properties.h" 3209147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 33694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guynamespace android { 34694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guynamespace uirenderer { 35694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 36694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer; 37694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 3851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy/** 3951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Represents a font, defined by a Skia font id and a font size. A font is used 4051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * to generate glyphs and cache them in the FontState. 4151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy */ 42694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass Font { 43694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 44694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~Font(); 45694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 4651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy /** 4751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Renders the specified string of text. 48f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk * If bitmap is specified, it will be used as the render target 4951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy */ 5051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy void renderUTF(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 5189a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk int numGlyphs, int x, int y, 5289a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t *bitmap = NULL, uint32_t bitmapW = 0, uint32_t bitmapH = 0); 5351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy /** 5451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Creates a new font associated with the specified font state. 5551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy */ 56694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy static Font* create(FontRenderer* state, uint32_t fontId, float fontSize); 57694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 58694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyprotected: 59694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class FontRenderer; 60694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 61f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk enum RenderMode { 62f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk FRAMEBUFFER, 63f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk BITMAP, 64f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk MEASURE, 65f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 66f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 67f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void renderUTF(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 68f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int numGlyphs, int x, int y, RenderMode mode, 69f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH, 70f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk Rect *bounds); 71f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 72f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void measureUTF(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 73f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int numGlyphs, Rect *bounds); 74f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 75694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy struct CachedGlyphInfo { 76694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Has the cache been invalidated? 77694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mIsValid; 78694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Location of the cached glyph in the bitmap 7989a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk // in case we need to resize the texture or 8089a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk // render to bitmap 8189a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint32_t mStartX; 8289a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint32_t mStartY; 83694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mBitmapWidth; 84694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mBitmapHeight; 85694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Also cache texture coords for the quad 86694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMinU; 87694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMinV; 88694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMaxU; 89694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMaxV; 90694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Minimize how much we call freetype 91694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mGlyphIndex; 92694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mAdvanceX; 93694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mAdvanceY; 94694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Values below contain a glyph's origin in the bitmap 9589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk int32_t mBitmapLeft; 9689a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk int32_t mBitmapTop; 97694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy }; 98694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 99694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Font(FontRenderer* state, uint32_t fontId, float fontSize); 100694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 101694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy DefaultKeyedVector<int32_t, CachedGlyphInfo*> mCachedGlyphs; 102694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 103bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy void invalidateTextureCache(); 104bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 10565ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk CachedGlyphInfo* cacheGlyph(SkPaint* paint, int32_t glyph); 106694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo *glyph); 107f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, Rect *bounds); 108694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y); 10989a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 11089a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH); 111bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 11265ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk CachedGlyphInfo* getCachedUTFChar(SkPaint* paint, int32_t utfChar); 11365ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk 114bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy FontRenderer* mState; 115bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy uint32_t mFontId; 116bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy float mFontSize; 117694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 118694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 119694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer { 120694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 121694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer(); 122694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~FontRenderer(); 123694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 124694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void init(); 125694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void deinit(); 126694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 127b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy void setGammaTable(const uint8_t* gammaTable) { 128b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mGammaTable = gammaTable; 129b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy } 130b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 13165ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk void setFont(SkPaint* paint, uint32_t fontId, float fontSize); 13251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy void renderText(SkPaint* paint, const Rect* clip, const char *text, uint32_t startIndex, 13351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy uint32_t len, int numGlyphs, int x, int y); 134694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 135f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk struct DropShadow { 1361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy DropShadow() { }; 1371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy DropShadow(const DropShadow& dropShadow): 1391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy width(dropShadow.width), height(dropShadow.height), 1401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy image(dropShadow.image), penX(dropShadow.penX), 1411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy penY(dropShadow.penY) { 1421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 1431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 144f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t width; 145f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t height; 146f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t* image; 147f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penX; 148f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penY; 149f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 150f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 151f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // After renderDropShadow returns, the called owns the memory in DropShadow.image 152f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // and is responsible for releasing it when it's done with it 153f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk DropShadow renderDropShadow(SkPaint* paint, const char *text, uint32_t startIndex, 1541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy uint32_t len, int numGlyphs, uint32_t radius); 155f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 156694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy GLuint getTexture() { 157694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy checkInit(); 158694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return mTextureId; 159694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 160694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 161694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyprotected: 162694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class Font; 163694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 164b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy const uint8_t* mGammaTable; 165b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 166694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy struct CacheTextureLine { 167694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint16_t mMaxHeight; 168694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint16_t mMaxWidth; 169694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentRow; 170694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentCol; 1711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mDirty; 172694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 17351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy CacheTextureLine(uint16_t maxWidth, uint16_t maxHeight, uint32_t currentRow, 174694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t currentCol): 17551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mMaxHeight(maxHeight), 17651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mMaxWidth(maxWidth), 17751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCurrentRow(currentRow), 1789b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mCurrentCol(currentCol), 1799b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mDirty(false) { 180694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 181694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 182694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool fitBitmap(const SkGlyph& glyph, uint32_t *retOriginX, uint32_t *retOriginY) { 183694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (glyph.fHeight > mMaxHeight) { 184694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 185694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 186694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 187694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy if (mCurrentCol + glyph.fWidth < mMaxWidth) { 188694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy *retOriginX = mCurrentCol; 189694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy *retOriginY = mCurrentRow; 190694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy mCurrentCol += glyph.fWidth; 1919b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mDirty = true; 192694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return true; 193694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 194694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 195694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 196694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 197694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy }; 198694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 199694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t getCacheWidth() const { 200694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return mCacheWidth; 201694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 202694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 203694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t getCacheHeight() const { 204694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return mCacheHeight; 205694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 206694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 207694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void initTextTexture(); 208694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool cacheBitmap(const SkGlyph& glyph, uint32_t *retOriginX, uint32_t *retOriginY); 209694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 210694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void flushAllAndInvalidate(); 211694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void initVertexArrayBuffers(); 212694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 213694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void checkInit(); 214694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 21565ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk String16 mLatinPrecache; 21665ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk void precacheLatin(SkPaint* paint); 21765ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk 218694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void issueDrawCommand(); 219694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void appendMeshQuad(float x1, float y1, float z1, float u1, float v1, float x2, float y2, 220694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float z2, float u2, float v2, float x3, float y3, float z3, float u3, float v3, 221694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float x4, float y4, float z4, float u4, float v4); 222694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 223694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCacheWidth; 224694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCacheHeight; 225694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 226694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<CacheTextureLine*> mCacheLines; 22765ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk uint32_t getRemainingCacheCapacity(); 228694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22909147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy Font* mCurrentFont; 230694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<Font*> mActiveFonts; 231694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 232694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Texture to cache glyph bitmaps 23389a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t* mTextTexture; 23489a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk const uint8_t* getTextTextureData() const { 23589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk return mTextTexture; 23689a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk } 237694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy GLuint mTextureId; 2389b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk void checkTextureUpdate(); 239694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mUploadTexture; 240694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 241694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Pointer to vertex data to speed up frame to frame work 242694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float *mTextMeshPtr; 243694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentQuadIndex; 244694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mMaxNumberOfQuads; 245694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 246694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mIndexBufferID; 247694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24809147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect* mClip; 24909147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 250694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mInitialized; 25189a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk 25289a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void computeGaussianWeights(float* weights, int32_t radius); 25389a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void horizontalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 25589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void verticalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 25789a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void blurImage(uint8_t* image, int32_t width, int32_t height, int32_t radius); 258694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 259694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 260694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 261694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 262694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 263694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#endif // ANDROID_UI_FONT_RENDERER_H 264