FontRenderer.h revision c7b25be64f679e78dfa79080b44be18c9974004c
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: 44325a0f969c1d803d7e39a9caee8cc3d400350659Romain Guy enum Style { 45c7b25be64f679e78dfa79080b44be18c9974004cRomain Guy kFakeBold = 1 46325a0f969c1d803d7e39a9caee8cc3d400350659Romain Guy }; 47325a0f969c1d803d7e39a9caee8cc3d400350659Romain Guy 48694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~Font(); 49694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 5051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy /** 5151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Renders the specified string of text. 52f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk * If bitmap is specified, it will be used as the render target 5351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy */ 5451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy void renderUTF(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 5589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk int numGlyphs, int x, int y, 5689a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t *bitmap = NULL, uint32_t bitmapW = 0, uint32_t bitmapH = 0); 5751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy /** 5851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Creates a new font associated with the specified font state. 5951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy */ 602577db1ec135a1470a2c42139772ec97a6c30e78Romain Guy static Font* create(FontRenderer* state, uint32_t fontId, float fontSize, 618668f8a633d9299091556c3b2e5ae07be8dce360Chet Haase int flags, uint32_t italicStyle, uint32_t scaleX); 62694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 63694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyprotected: 64694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class FontRenderer; 65694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 66f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk enum RenderMode { 67f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk FRAMEBUFFER, 68f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk BITMAP, 69f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk MEASURE, 70f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 71f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 72f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void renderUTF(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 73f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int numGlyphs, int x, int y, RenderMode mode, 74f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH, 75f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk Rect *bounds); 76f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 77f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void measureUTF(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 78f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int numGlyphs, Rect *bounds); 79f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 80694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy struct CachedGlyphInfo { 81694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Has the cache been invalidated? 82694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mIsValid; 83694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Location of the cached glyph in the bitmap 8489a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk // in case we need to resize the texture or 8589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk // render to bitmap 8689a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint32_t mStartX; 8789a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint32_t mStartY; 88694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mBitmapWidth; 89694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mBitmapHeight; 90694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Also cache texture coords for the quad 91694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMinU; 92694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMinV; 93694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMaxU; 94694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float mBitmapMaxV; 95694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Minimize how much we call freetype 96694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mGlyphIndex; 97694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mAdvanceX; 98694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mAdvanceY; 99694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Values below contain a glyph's origin in the bitmap 10089a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk int32_t mBitmapLeft; 10189a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk int32_t mBitmapTop; 1022bffd268f135df8308c9e67af110525a5c463424Romain Guy // Auto-kerning 1032bffd268f135df8308c9e67af110525a5c463424Romain Guy SkFixed mLsbDelta; 1042bffd268f135df8308c9e67af110525a5c463424Romain Guy SkFixed mRsbDelta; 105694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy }; 106694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1078668f8a633d9299091556c3b2e5ae07be8dce360Chet Haase Font(FontRenderer* state, uint32_t fontId, float fontSize, int flags, uint32_t italicStyle, 1088668f8a633d9299091556c3b2e5ae07be8dce360Chet Haase uint32_t scaleX); 109694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 110694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy DefaultKeyedVector<int32_t, CachedGlyphInfo*> mCachedGlyphs; 111694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 112bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy void invalidateTextureCache(); 113bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 11465ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk CachedGlyphInfo* cacheGlyph(SkPaint* paint, int32_t glyph); 115694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo *glyph); 116f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk void measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, Rect *bounds); 117694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y); 11889a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 11989a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH); 120bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 12165ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk CachedGlyphInfo* getCachedUTFChar(SkPaint* paint, int32_t utfChar); 12265ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk 123bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy FontRenderer* mState; 124bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy uint32_t mFontId; 125bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy float mFontSize; 126325a0f969c1d803d7e39a9caee8cc3d400350659Romain Guy int mFlags; 1272577db1ec135a1470a2c42139772ec97a6c30e78Romain Guy uint32_t mItalicStyle; 1288668f8a633d9299091556c3b2e5ae07be8dce360Chet Haase uint32_t mScaleX; 129694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 130694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 131694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyclass FontRenderer { 132694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guypublic: 133694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer(); 134694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy ~FontRenderer(); 135694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 136694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void init(); 137694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void deinit(); 138694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 139b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy void setGammaTable(const uint8_t* gammaTable) { 140b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mGammaTable = gammaTable; 141b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy } 142b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 143894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk void setAttributeBindingSlots(int positionSlot, int texCoordSlot) { 144894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk mPositionAttrSlot = positionSlot; 145894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk mTexcoordAttrSlot = texCoordSlot; 146894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk } 147894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 14865ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk void setFont(SkPaint* paint, uint32_t fontId, float fontSize); 1495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool renderText(SkPaint* paint, const Rect* clip, const char *text, uint32_t startIndex, 1505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t len, int numGlyphs, int x, int y, Rect* bounds); 151694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 152f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk struct DropShadow { 1531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy DropShadow() { }; 1541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy DropShadow(const DropShadow& dropShadow): 1561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy width(dropShadow.width), height(dropShadow.height), 1571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy image(dropShadow.image), penX(dropShadow.penX), 1581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy penY(dropShadow.penY) { 1591e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 1601e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 161f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t width; 162f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint32_t height; 163f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk uint8_t* image; 164f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penX; 165f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk int32_t penY; 166f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk }; 167f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 168f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // After renderDropShadow returns, the called owns the memory in DropShadow.image 169f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk // and is responsible for releasing it when it's done with it 170f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk DropShadow renderDropShadow(SkPaint* paint, const char *text, uint32_t startIndex, 1711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy uint32_t len, int numGlyphs, uint32_t radius); 172f18136cb3c881a9d16c1a4f0f341732c276936bfAlex Sakhartchouk 173e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy GLuint getTexture(bool linearFiltering = false) { 174694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy checkInit(); 175e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy if (linearFiltering != mLinearFiltering) { 176e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy mLinearFiltering = linearFiltering; 177e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy const GLenum filtering = linearFiltering ? GL_LINEAR : GL_NEAREST; 178e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 179e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy glBindTexture(GL_TEXTURE_2D, mTextureId); 180e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filtering); 181e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filtering); 182e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy } 183694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return mTextureId; 184694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 185694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 186c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t getCacheWidth() const { 187c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy return mCacheWidth; 188c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 189c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 190c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy uint32_t getCacheHeight() const { 191c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy return mCacheHeight; 192c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy } 193c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy 194694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guyprotected: 195694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy friend class Font; 196694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 197b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy const uint8_t* mGammaTable; 198b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 199694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy struct CacheTextureLine { 200694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint16_t mMaxHeight; 201694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint16_t mMaxWidth; 202694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentRow; 203694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentCol; 2041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mDirty; 205694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 20651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy CacheTextureLine(uint16_t maxWidth, uint16_t maxHeight, uint32_t currentRow, 207694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t currentCol): 20851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mMaxHeight(maxHeight), 20951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mMaxWidth(maxWidth), 21051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCurrentRow(currentRow), 2119b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mCurrentCol(currentCol), 2129b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mDirty(false) { 213694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 214694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 215694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool fitBitmap(const SkGlyph& glyph, uint32_t *retOriginX, uint32_t *retOriginY) { 2167975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy if (glyph.fHeight + 2 > mMaxHeight) { 217694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 218694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 219694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2207975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy if (mCurrentCol + glyph.fWidth + 2 < mMaxWidth) { 2217975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy *retOriginX = mCurrentCol + 1; 2227975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy *retOriginY = mCurrentRow + 1; 2237975fb6d12cb1eb96b75e3a563627cd4c4081bd6Romain Guy mCurrentCol += glyph.fWidth + 2; 2249b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk mDirty = true; 225694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return true; 226694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 227694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 228694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy return false; 229694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy } 230694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy }; 231694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 232694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void initTextTexture(); 233694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool cacheBitmap(const SkGlyph& glyph, uint32_t *retOriginX, uint32_t *retOriginY); 234694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 235694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void flushAllAndInvalidate(); 236694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void initVertexArrayBuffers(); 237694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 238694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void checkInit(); 239694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24065ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk String16 mLatinPrecache; 24165ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk void precacheLatin(SkPaint* paint); 24265ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk 243694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void issueDrawCommand(); 244694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy void appendMeshQuad(float x1, float y1, float z1, float u1, float v1, float x2, float y2, 245694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float z2, float u2, float v2, float x3, float y3, float z3, float u3, float v3, 246694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float x4, float y4, float z4, float u4, float v4); 247694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 248694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCacheWidth; 249694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCacheHeight; 250694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 251694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<CacheTextureLine*> mCacheLines; 25265ef909776c03417d8b597738da54ca211e37e4fAlex Sakhartchouk uint32_t getRemainingCacheCapacity(); 253694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25409147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy Font* mCurrentFont; 255694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy Vector<Font*> mActiveFonts; 256694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 257694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Texture to cache glyph bitmaps 25889a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk uint8_t* mTextTexture; 25989a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk const uint8_t* getTextTextureData() const { 26089a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk return mTextTexture; 26189a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk } 262694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy GLuint mTextureId; 2639b9902ddbb01548f4a0199087b7035e7c10b2ae7Alex Sakhartchouk void checkTextureUpdate(); 264694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mUploadTexture; 265694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 266694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Pointer to vertex data to speed up frame to frame work 267694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy float *mTextMeshPtr; 268694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mCurrentQuadIndex; 269694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mMaxNumberOfQuads; 270694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 271694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy uint32_t mIndexBufferID; 272694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 273894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int32_t mPositionAttrSlot; 274894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int32_t mTexcoordAttrSlot; 275894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 27609147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect* mClip; 2775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect* mBounds; 2785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool mDrawn; 27909147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy 280694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy bool mInitialized; 28189a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk 282e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy bool mLinearFiltering; 283e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy 28489a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void computeGaussianWeights(float* weights, int32_t radius); 28589a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void horizontalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 28789a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void verticalBlur(float* weights, int32_t radius, const uint8_t *source, uint8_t *dest, 2881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int32_t width, int32_t height); 28989a524ac2d4a36739e51b01b336c0bade77e2ee0Alex Sakhartchouk void blurImage(uint8_t* image, int32_t width, int32_t height, int32_t radius); 290694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; 291694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 292694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace uirenderer 293694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy}; // namespace android 294694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_FONT_RENDERER_H 296