FontRenderer.h revision c15008e72ec00ca20a271c3006dac649fd07533b
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 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; 972bffd268f135df8308c9e67af110525a5c463424Romain Guy // Auto-kerning 982bffd268f135df8308c9e67af110525a5c463424Romain Guy SkFixed mLsbDelta; 992bffd268f135df8308c9e67af110525a5c463424Romain Guy SkFixed mRsbDelta; 100694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy }; 101694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 102694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Font(FontRenderer* state, uint32_t fontId, float fontSize); 103694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 104694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy DefaultKeyedVector<int32_t, CachedGlyphInfo*> mCachedGlyphs; 105694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 106bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy void invalidateTextureCache(); 107bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 10865ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk CachedGlyphInfo* cacheGlyph(SkPaint* paint, int32_t glyph); 109694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo *glyph); 110f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, Rect *bounds); 111694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y); 11289a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 11389a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH); 114bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 11565ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk CachedGlyphInfo* getCachedUTFChar(SkPaint* paint, int32_t utfChar); 11665ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk 117bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy FontRenderer* mState; 118bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy uint32_t mFontId; 119bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy float mFontSize; 120694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 121694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 122694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer { 123694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 124694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer(); 125694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~FontRenderer(); 126694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 127694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void init(); 128694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void deinit(); 129694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 130b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy void setGammaTable(const uint8_t* gammaTable) { 131b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mGammaTable = gammaTable; 132b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy } 133b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 13465ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk void setFont(SkPaint* paint, uint32_t fontId, float fontSize); 1355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool renderText(SkPaint* paint, const Rect* clip, const char *text, uint32_t startIndex, 1365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t len, int numGlyphs, int x, int y, Rect* bounds); 137694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 138f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk struct DropShadow { 1391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy DropShadow() { }; 1401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy DropShadow(const DropShadow& dropShadow): 1421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy width(dropShadow.width), height(dropShadow.height), 1431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy image(dropShadow.image), penX(dropShadow.penX), 1441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy penY(dropShadow.penY) { 1451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 1461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 147f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t width; 148f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t height; 149f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t* image; 150f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penX; 151f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penY; 152f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 153f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 154f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // After renderDropShadow returns, the called owns the memory in DropShadow.image 155f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // and is responsible for releasing it when it's done with it 156f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk DropShadow renderDropShadow(SkPaint* paint, const char *text, uint32_t startIndex, 1571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy uint32_t len, int numGlyphs, uint32_t radius); 158f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 159e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy GLuint getTexture(bool linearFiltering = false) { 160694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy checkInit(); 161e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy if (linearFiltering != mLinearFiltering) { 162e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy mLinearFiltering = linearFiltering; 163e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy const GLenum filtering = linearFiltering ? GL_LINEAR : GL_NEAREST; 164e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 165e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy glBindTexture(GL_TEXTURE_2D, mTextureId); 166e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filtering); 167e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filtering); 168e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy } 169694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return mTextureId; 170694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 171694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 172c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t getCacheWidth() const { 173c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy return mCacheWidth; 174c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 175c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 176c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t getCacheHeight() const { 177c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy return mCacheHeight; 178c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 179c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 180694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyprotected: 181694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class Font; 182694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 183b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy const uint8_t* mGammaTable; 184b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 185694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy struct CacheTextureLine { 186694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint16_t mMaxHeight; 187694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint16_t mMaxWidth; 188694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentRow; 189694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentCol; 1901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mDirty; 191694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 19251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy CacheTextureLine(uint16_t maxWidth, uint16_t maxHeight, uint32_t currentRow, 193694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t currentCol): 19451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mMaxHeight(maxHeight), 19551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mMaxWidth(maxWidth), 19651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCurrentRow(currentRow), 1979b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mCurrentCol(currentCol), 1989b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mDirty(false) { 199694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 200694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 201694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool fitBitmap(const SkGlyph& glyph, uint32_t *retOriginX, uint32_t *retOriginY) { 2027975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy if (glyph.fHeight + 2 > mMaxHeight) { 203694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 204694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 205694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2067975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy if (mCurrentCol + glyph.fWidth + 2 < mMaxWidth) { 2077975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy *retOriginX = mCurrentCol + 1; 2087975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy *retOriginY = mCurrentRow + 1; 2097975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy mCurrentCol += glyph.fWidth + 2; 2109b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mDirty = true; 211694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return true; 212694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 213694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 214694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 215694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 216694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy }; 217694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 218694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void initTextTexture(); 219694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool cacheBitmap(const SkGlyph& glyph, uint32_t *retOriginX, uint32_t *retOriginY); 220694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 221694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void flushAllAndInvalidate(); 222694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void initVertexArrayBuffers(); 223694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 224694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void checkInit(); 225694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22665ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk String16 mLatinPrecache; 22765ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk void precacheLatin(SkPaint* paint); 22865ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk 229694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void issueDrawCommand(); 230694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void appendMeshQuad(float x1, float y1, float z1, float u1, float v1, float x2, float y2, 231694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float z2, float u2, float v2, float x3, float y3, float z3, float u3, float v3, 232694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float x4, float y4, float z4, float u4, float v4); 233694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 234694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCacheWidth; 235694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCacheHeight; 236694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 237694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<CacheTextureLine*> mCacheLines; 23865ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk uint32_t getRemainingCacheCapacity(); 239694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24009147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy Font* mCurrentFont; 241694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<Font*> mActiveFonts; 242694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 243694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Texture to cache glyph bitmaps 24489a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t* mTextTexture; 24589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk const uint8_t* getTextTextureData() const { 24689a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk return mTextTexture; 24789a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk } 248694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy GLuint mTextureId; 2499b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk void checkTextureUpdate(); 250694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mUploadTexture; 251694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 252694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Pointer to vertex data to speed up frame to frame work 253694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float *mTextMeshPtr; 254694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentQuadIndex; 255694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mMaxNumberOfQuads; 256694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 257694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mIndexBufferID; 258694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25909147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect* mClip; 2605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect* mBounds; 2615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool mDrawn; 26209147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 263694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mInitialized; 26489a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk 265e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy bool mLinearFiltering; 266e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 26789a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void computeGaussianWeights(float* weights, int32_t radius); 26889a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void horizontalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 27089a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void verticalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 27289a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void blurImage(uint8_t* image, int32_t width, int32_t height, int32_t radius); 273694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 274694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 275694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 276694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 277694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_FONT_RENDERER_H 279