1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_HWUI_GAMMA_FONT_RENDERER_H 18#define ANDROID_HWUI_GAMMA_FONT_RENDERER_H 19 20#include "FontRenderer.h" 21#include "Program.h" 22 23#include <SkPaint.h> 24 25namespace android { 26namespace uirenderer { 27 28class GammaFontRenderer { 29public: 30 GammaFontRenderer(); 31 32 void clear() { 33 mRenderer.reset(nullptr); 34 } 35 36 void flush() { 37 if (mRenderer) { 38 mRenderer->flushLargeCaches(); 39 } 40 } 41 42 FontRenderer& getFontRenderer() { 43 if (!mRenderer) { 44 mRenderer.reset(new FontRenderer(&mGammaTable[0])); 45 } 46 return *mRenderer; 47 } 48 49 uint32_t getFontRendererSize(GLenum format) const { 50 return mRenderer ? mRenderer->getCacheSize(format) : 0; 51 } 52 53 void endPrecaching(); 54 55private: 56 std::unique_ptr<FontRenderer> mRenderer; 57 uint8_t mGammaTable[256]; 58}; 59 60}; // namespace uirenderer 61}; // namespace android 62 63#endif // ANDROID_HWUI_GAMMA_FONT_RENDERER_H 64