rsFont.h revision a04e30dbb5ab11592b03666bb3d102070759c58e
1d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk/* 2d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Copyright (C) 2009 The Android Open Source Project 3d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 4d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Licensed under the Apache License, Version 2.0 (the "License"); 5d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * you may not use this file except in compliance with the License. 6d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * You may obtain a copy of the License at 7d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 8d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * http://www.apache.org/licenses/LICENSE-2.0 9d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 10d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Unless required by applicable law or agreed to in writing, software 11d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * distributed under the License is distributed on an "AS IS" BASIS, 12d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * See the License for the specific language governing permissions and 14d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * limitations under the License. 15d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk */ 16d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 17d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#ifndef ANDROID_RS_FONT_H 18d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#define ANDROID_RS_FONT_H 19d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 20d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "RenderScript.h" 21d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsStream.h" 22d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <utils/String8.h> 23d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <utils/Vector.h> 24d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <utils/KeyedVector.h> 25d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 2602000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchoukstruct FT_LibraryRec_; 2702000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchoukstruct FT_FaceRec_; 2802000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchoukstruct FT_Bitmap_; 29d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 30d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// --------------------------------------------------------------------------- 31d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace android { 32d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 33d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace renderscript { 34d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 35c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk// Gamma (>= 1.0, <= 10.0) 36c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define PROPERTY_TEXT_GAMMA "ro.text_gamma" 37c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "ro.text_gamma.black_threshold" 38c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "ro.text_gamma.white_threshold" 39c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 40c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define DEFAULT_TEXT_GAMMA 1.4f 41c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64 42c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192 43c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 44d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukclass FontState; 45d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 46afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukclass Font : public ObjectBase { 47d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukpublic: 4809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk enum RenderMode { 4909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk FRAMEBUFFER, 5009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk BITMAP, 5109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk MEASURE, 5209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk }; 53d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 5409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk struct Rect { 5509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t left; 5609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t top; 5709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t right; 5809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t bottom; 5909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void set(int32_t l, int32_t r, int32_t t, int32_t b) { 6009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk left = l; 6109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk right = r; 6209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk top = t; 6309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk bottom = b; 6409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 6509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk }; 6609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 6709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk ~Font(); 68d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 69d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Currently files do not get serialized, 70d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // but we need to inherit from ObjectBase for ref tracking 71d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk virtual void serialize(OStream *stream) const { 72d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 73d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk virtual RsA3DClassID getClassId() const { 74d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return RS_A3D_CLASS_ID_UNKNOWN; 75d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 76d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 775224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk static Font * create(Context *rsc, const char *name, float fontSize, uint32_t dpi, 785224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk const void *data = NULL, uint32_t dataLen = 0); 79d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 80d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukprotected: 81d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 82d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk friend class FontState; 83d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 8409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // Pointer to the utf data, length of data, where to start, number of glyphs ot read 8509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // (each glyph may be longer than a char because we are dealing with utf data) 8609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // Last two variables are the initial pen position 8709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void renderUTF(const char *text, uint32_t len, int32_t x, int32_t y, 8809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t start, int32_t numGlyphs, 8909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk RenderMode mode = FRAMEBUFFER, Rect *bounds = NULL, 9009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap = NULL, uint32_t bitmapW = 0, uint32_t bitmapH = 0); 9109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 92d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void invalidateTextureCache(); 93d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk struct CachedGlyphInfo 94d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk { 95d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Has the cache been invalidated? 96d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mIsValid; 97d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Location of the cached glyph in the bitmap 98d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // in case we need to resize the texture 99d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapMinX; 100d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapMinY; 101d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapWidth; 102d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapHeight; 103d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Also cache texture coords for the quad 104d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMinU; 105d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMinV; 106d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMaxU; 107d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMaxV; 108d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Minimize how much we call freetype 10902000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk int32_t mGlyphIndex; 11002000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk int32_t mAdvanceX; 11102000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk int32_t mAdvanceY; 112d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Values below contain a glyph's origin in the bitmap 11302000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk int32_t mBitmapLeft; 11402000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk int32_t mBitmapTop; 115d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }; 116d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 117d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 mFontName; 118c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk float mFontSize; 119d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mDpi; 120d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 121d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font(Context *rsc); 1225224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bool init(const char *name, float fontSize, uint32_t dpi, const void *data = NULL, uint32_t dataLen = 0); 123d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 1242e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams virtual void preDestroy() const; 12502000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk FT_FaceRec_ *mFace; 126d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mInitialized; 127d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mHasKerning; 128d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 129d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk DefaultKeyedVector<uint32_t, CachedGlyphInfo* > mCachedGlyphs; 13001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo* getCachedUTFChar(int32_t utfChar); 131d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 132d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *cacheGlyph(uint32_t glyph); 133d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void updateGlyphCache(CachedGlyphInfo *glyph); 13409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void measureCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, Rect *bounds); 13509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y); 13609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, 13709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH); 138d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk}; 139d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 140afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukclass FontState { 141d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukpublic: 142d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState(); 143d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ~FontState(); 144d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 145d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void init(Context *rsc); 146d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void deinit(Context *rsc); 147d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 148d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Font> mDefault; 149d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Font> mLast; 150d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 15109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void renderText(const char *text, uint32_t len, int32_t x, int32_t y, 15209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t startIndex = 0, int numGlyphs = -1, 15309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk Font::RenderMode mode = Font::FRAMEBUFFER, 15409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk Font::Rect *bounds = NULL, 15509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap = NULL, uint32_t bitmapW = 0, uint32_t bitmapH = 0); 15609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 15709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void measureText(const char *text, uint32_t len, Font::Rect *bounds); 158d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 1599fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk void setFontColor(float r, float g, float b, float a); 160ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk void getFontColor(float *r, float *g, float *b, float *a) const; 1619fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 162d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukprotected: 163d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 164d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk friend class Font; 165d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 166afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk struct CacheTextureLine { 167d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxHeight; 168d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxWidth; 169d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentRow; 170d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentCol; 17101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk bool mDirty; 172d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 173afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk CacheTextureLine(uint32_t maxHeight, uint32_t maxWidth, uint32_t currentRow, uint32_t currentCol) 174afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk : mMaxHeight(maxHeight), mMaxWidth(maxWidth), mCurrentRow(currentRow), 175afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk mCurrentCol(currentCol), mDirty(false) { 176d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 177d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 17802000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk bool fitBitmap(FT_Bitmap_ *bitmap, uint32_t *retOriginX, uint32_t *retOriginY); 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }; 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 181d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<CacheTextureLine*> mCacheLines; 18201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t getRemainingCacheCapacity(); 18301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 18401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk void precacheLatin(Font *font); 18501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk String8 mLatinPrecache; 186d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 187d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Context *mRSC; 188d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 189c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk struct { 190c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mFontColor[4]; 191c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mGamma; 192c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } mConstants; 193c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk bool mConstantsDirty; 194c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 195c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mBlackGamma; 196c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mWhiteGamma; 197c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 198c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mBlackThreshold; 199c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mWhiteThreshold; 2009fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 201d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Free type library, we only need one copy 20202000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk FT_LibraryRec_ *mLibrary; 20302000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk FT_LibraryRec_ *getLib(); 204d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<Font*> mActiveFonts; 205d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 206d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Render state for the font 207e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk ObjectBaseRef<Allocation> mFontShaderFConstant; 208d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<ProgramFragment> mFontShaderF; 209d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Sampler> mFontSampler; 210d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<ProgramStore> mFontProgramStore; 211d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initRenderState(); 212d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 213d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Texture to cache glyph bitmaps 214d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mTextTexture; 215d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initTextTexture(); 21609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk const uint8_t* getTextTextureData() const { 21709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk return (uint8_t*)mTextTexture->getPtr(); 21809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 219d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 22002000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk bool cacheBitmap(FT_Bitmap_ *bitmap, uint32_t *retOriginX, uint32_t *retOriginY); 221d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Type* getCacheTextureType() { 222d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return mTextTexture->getType(); 223d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 224d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 225d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void flushAllAndInvalidate(); 226d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 227d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Pointer to vertex data to speed up frame to frame work 228d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *mTextMeshPtr; 229d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentQuadIndex; 230d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxNumberOfQuads; 231d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 232d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initVertexArrayBuffers(); 233a04e30dbb5ab11592b03666bb3d102070759c58eAlex Sakhartchouk ObjectBaseRef<Mesh> mMesh; 234d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 235d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mInitialized; 236d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 237d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void checkInit(); 238d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 239d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void issueDrawCommand(); 240d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 241d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void appendMeshQuad(float x1, float y1, float z1, 242afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u1, float v1, 243afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x2, float y2, float z2, 244afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u2, float v2, 245afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x3, float y3, float z3, 246afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u3, float v3, 247afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x4, float y4, float z4, 248afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u4, float v4); 249d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk}; 250d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 251d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 252d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 253d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 254d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#endif 255