rsFont.h revision 2e8665de7c0eb4514c67baf8693d61c892e5303d
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 26d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <ft2build.h> 27d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include FT_FREETYPE_H 28d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 29d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// --------------------------------------------------------------------------- 30d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace android { 31d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 32d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace renderscript { 33d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 34c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk// Gamma (>= 1.0, <= 10.0) 35c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define PROPERTY_TEXT_GAMMA "ro.text_gamma" 36c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "ro.text_gamma.black_threshold" 37c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "ro.text_gamma.white_threshold" 38c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 39c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define DEFAULT_TEXT_GAMMA 1.4f 40c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64 41c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192 42c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 43d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukclass FontState; 44d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 45afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukclass Font : public ObjectBase { 46d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukpublic: 4709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk enum RenderMode { 4809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk FRAMEBUFFER, 4909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk BITMAP, 5009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk MEASURE, 5109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk }; 52d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 5309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk struct Rect { 5409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t left; 5509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t top; 5609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t right; 5709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t bottom; 5809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void set(int32_t l, int32_t r, int32_t t, int32_t b) { 5909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk left = l; 6009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk right = r; 6109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk top = t; 6209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk bottom = b; 6309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 6409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk }; 6509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 6609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk ~Font(); 67d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 68d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Currently files do not get serialized, 69d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // but we need to inherit from ObjectBase for ref tracking 70d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk virtual void serialize(OStream *stream) const { 71d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 72d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk virtual RsA3DClassID getClassId() const { 73d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return RS_A3D_CLASS_ID_UNKNOWN; 74d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 75d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 765224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk static Font * create(Context *rsc, const char *name, float fontSize, uint32_t dpi, 775224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk const void *data = NULL, uint32_t dataLen = 0); 78d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 79d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukprotected: 80d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 81d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk friend class FontState; 82d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 8309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // Pointer to the utf data, length of data, where to start, number of glyphs ot read 8409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // (each glyph may be longer than a char because we are dealing with utf data) 8509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // Last two variables are the initial pen position 8609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void renderUTF(const char *text, uint32_t len, int32_t x, int32_t y, 8709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t start, int32_t numGlyphs, 8809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk RenderMode mode = FRAMEBUFFER, Rect *bounds = NULL, 8909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap = NULL, uint32_t bitmapW = 0, uint32_t bitmapH = 0); 9009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 91d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void invalidateTextureCache(); 92d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk struct CachedGlyphInfo 93d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk { 94d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Has the cache been invalidated? 95d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mIsValid; 96d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Location of the cached glyph in the bitmap 97d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // in case we need to resize the texture 98d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapMinX; 99d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapMinY; 100d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapWidth; 101d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mBitmapHeight; 102d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Also cache texture coords for the quad 103d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMinU; 104d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMinV; 105d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMaxU; 106d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float mBitmapMaxV; 107d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Minimize how much we call freetype 108d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_UInt mGlyphIndex; 109d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Vector mAdvance; 110d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Values below contain a glyph's origin in the bitmap 111d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Int mBitmapLeft; 112d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Int mBitmapTop; 113d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }; 114d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 115d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk String8 mFontName; 116c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk float mFontSize; 117d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mDpi; 118d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 119d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font(Context *rsc); 1205224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bool init(const char *name, float fontSize, uint32_t dpi, const void *data = NULL, uint32_t dataLen = 0); 121d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 1222e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams virtual void preDestroy() const; 123d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Face mFace; 124d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mInitialized; 125d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mHasKerning; 126d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 127d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk DefaultKeyedVector<uint32_t, CachedGlyphInfo* > mCachedGlyphs; 12801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo* getCachedUTFChar(int32_t utfChar); 129d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 130d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *cacheGlyph(uint32_t glyph); 131d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void updateGlyphCache(CachedGlyphInfo *glyph); 13209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void measureCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, Rect *bounds); 13309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y); 13409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, 13509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH); 136d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk}; 137d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 138afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukclass FontState { 139d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukpublic: 140d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState(); 141d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ~FontState(); 142d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 143d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void init(Context *rsc); 144d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void deinit(Context *rsc); 145d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 146d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Font> mDefault; 147d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Font> mLast; 148d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 14909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void renderText(const char *text, uint32_t len, int32_t x, int32_t y, 15009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t startIndex = 0, int numGlyphs = -1, 15109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk Font::RenderMode mode = Font::FRAMEBUFFER, 15209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk Font::Rect *bounds = NULL, 15309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap = NULL, uint32_t bitmapW = 0, uint32_t bitmapH = 0); 15409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 15509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void measureText(const char *text, uint32_t len, Font::Rect *bounds); 156d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 1579fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk void setFontColor(float r, float g, float b, float a); 158ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk void getFontColor(float *r, float *g, float *b, float *a) const; 1599fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 160d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukprotected: 161d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 162d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk friend class Font; 163d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 164afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk struct CacheTextureLine { 165d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxHeight; 166d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxWidth; 167d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentRow; 168d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentCol; 16901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk bool mDirty; 170d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 171afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk CacheTextureLine(uint32_t maxHeight, uint32_t maxWidth, uint32_t currentRow, uint32_t currentCol) 172afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk : mMaxHeight(maxHeight), mMaxWidth(maxWidth), mCurrentRow(currentRow), 173afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk mCurrentCol(currentCol), mDirty(false) { 174d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 175d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 176d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool fitBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) { 177afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if ((uint32_t)bitmap->rows > mMaxHeight) { 178d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 181afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mCurrentCol + (uint32_t)bitmap->width < mMaxWidth) { 182afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk *retOriginX = mCurrentCol; 183afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk *retOriginY = mCurrentRow; 184afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk mCurrentCol += bitmap->width; 185afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk mDirty = true; 186d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 187d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 188d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 189d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 190d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 191d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }; 192d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 193d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<CacheTextureLine*> mCacheLines; 19401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t getRemainingCacheCapacity(); 19501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 19601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk void precacheLatin(Font *font); 19701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk String8 mLatinPrecache; 198d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 199d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Context *mRSC; 200d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 201c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk struct { 202c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mFontColor[4]; 203c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mGamma; 204c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } mConstants; 205c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk bool mConstantsDirty; 206c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 207c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mBlackGamma; 208c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mWhiteGamma; 209c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 210c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mBlackThreshold; 211c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mWhiteThreshold; 2129fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 213d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Free type library, we only need one copy 214d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Library mLibrary; 215a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Library getLib(); 216d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<Font*> mActiveFonts; 217d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 218d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Render state for the font 219e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk ObjectBaseRef<Allocation> mFontShaderFConstant; 220d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<ProgramFragment> mFontShaderF; 221d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Sampler> mFontSampler; 222d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<ProgramStore> mFontProgramStore; 223d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initRenderState(); 224d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 225d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Texture to cache glyph bitmaps 226d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mTextTexture; 227d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initTextTexture(); 22809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk const uint8_t* getTextTextureData() const { 22909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk return (uint8_t*)mTextTexture->getPtr(); 23009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 231d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 232d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool cacheBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY); 233d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Type* getCacheTextureType() { 234d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return mTextTexture->getType(); 235d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 236d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 237d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void flushAllAndInvalidate(); 238d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 239d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Pointer to vertex data to speed up frame to frame work 240d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *mTextMeshPtr; 241d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentQuadIndex; 242d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxNumberOfQuads; 243d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 244d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initVertexArrayBuffers(); 245d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mIndexBuffer; 246d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mVertexArray; 247d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 248d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 249d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mInitialized; 250d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 251d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void checkInit(); 252d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 253d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void issueDrawCommand(); 254d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 255d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void appendMeshQuad(float x1, float y1, float z1, 256afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u1, float v1, 257afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x2, float y2, float z2, 258afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u2, float v2, 259afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x3, float y3, float z3, 260afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u3, float v3, 261afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x4, float y4, float z4, 262afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u4, float v4); 263d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk}; 264d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 265d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 266d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 267d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 268d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#endif 269