rsFont.h revision 09c67356bbeee0a97a20a06c95b66756838cb541
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 45d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukclass Font : public ObjectBase 46d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 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 77d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk static Font * create(Context *rsc, const char *name, uint32_t fontSize, uint32_t dpi); 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; 116d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mFontSize; 117d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mDpi; 118d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 119d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font(Context *rsc); 120d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool init(const char *name, uint32_t fontSize, uint32_t dpi); 121d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 122d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Face mFace; 123d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mInitialized; 124d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mHasKerning; 125d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 126d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk DefaultKeyedVector<uint32_t, CachedGlyphInfo* > mCachedGlyphs; 12701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo* getCachedUTFChar(int32_t utfChar); 128d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 129d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *cacheGlyph(uint32_t glyph); 130d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void updateGlyphCache(CachedGlyphInfo *glyph); 13109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void measureCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, Rect *bounds); 13209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y); 13309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk void drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, 13409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH); 135d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk}; 136d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 137d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukclass FontState 138d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk{ 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 164d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk struct CacheTextureLine 165d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk { 166d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxHeight; 167d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxWidth; 168d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentRow; 169d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentCol; 17001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk bool mDirty; 171d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 172d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CacheTextureLine(uint32_t maxHeight, uint32_t maxWidth, uint32_t currentRow, uint32_t currentCol) : 17301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk mMaxHeight(maxHeight), mMaxWidth(maxWidth), mCurrentRow(currentRow), mCurrentCol(currentCol), 17401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk mDirty(false) { 175d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 176d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 177d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool fitBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) { 178d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if((uint32_t)bitmap->rows > mMaxHeight) { 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 181d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 182d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if(mCurrentCol + (uint32_t)bitmap->width < mMaxWidth) { 183d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginX = mCurrentCol; 184d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginY = mCurrentRow; 185d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentCol += bitmap->width; 18601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk mDirty = true; 187d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 188d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 189d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 190d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 191d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 192d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }; 193d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 194d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<CacheTextureLine*> mCacheLines; 19501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t getRemainingCacheCapacity(); 19601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 19701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk void precacheLatin(Font *font); 19801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk String8 mLatinPrecache; 199d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 200d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Context *mRSC; 201d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 202c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk struct { 203c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mFontColor[4]; 204c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mGamma; 205c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } mConstants; 206c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk bool mConstantsDirty; 207c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 208c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mBlackGamma; 209c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mWhiteGamma; 210c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 211c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mBlackThreshold; 212c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float mWhiteThreshold; 2139fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 214d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Free type library, we only need one copy 215d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Library mLibrary; 216a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Library getLib(); 217d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<Font*> mActiveFonts; 218d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 219d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Render state for the font 220e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk ObjectBaseRef<Allocation> mFontShaderFConstant; 221d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<ProgramFragment> mFontShaderF; 222d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Sampler> mFontSampler; 223d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<ProgramStore> mFontProgramStore; 224d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initRenderState(); 225d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 226d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Texture to cache glyph bitmaps 227d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mTextTexture; 228d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initTextTexture(); 22909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk const uint8_t* getTextTextureData() const { 23009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk return (uint8_t*)mTextTexture->getPtr(); 23109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 232d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 233d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool cacheBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY); 234d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Type* getCacheTextureType() { 235d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return mTextTexture->getType(); 236d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 237d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 238d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void flushAllAndInvalidate(); 239d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 240d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Pointer to vertex data to speed up frame to frame work 241d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *mTextMeshPtr; 242d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mCurrentQuadIndex; 243d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t mMaxNumberOfQuads; 244d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 245d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void initVertexArrayBuffers(); 246d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mIndexBuffer; 247d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk ObjectBaseRef<Allocation> mVertexArray; 248d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 249d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 250d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool mInitialized; 251d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 252d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void checkInit(); 253d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 254d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void issueDrawCommand(); 255d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 256d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk void appendMeshQuad(float x1, float y1, float z1, 257d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u1, float v1, 258d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x2, float y2, float z2, 259d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u2, float v2, 260d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x3, float y3, float z3, 261d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u3, float v3, 262d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float x4, float y4, float z4, 263d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float u4, float v4); 264d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 265d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk}; 266d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 267d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 268d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 269d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 270d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 271d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#endif 272