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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HWUI_GAMMA_FONT_RENDERER_H
#define ANDROID_HWUI_GAMMA_FONT_RENDERER_H
#include "FontRenderer.h"
namespace android {
namespace uirenderer {
class GammaFontRenderer {
public:
GammaFontRenderer();
void clear() { mRenderer.reset(nullptr); }
void flush() {
if (mRenderer) {
mRenderer->flushLargeCaches();
}
}
FontRenderer& getFontRenderer() {
if (!mRenderer) {
const uint8_t* table = nullptr;
#ifndef ANDROID_ENABLE_LINEAR_BLENDING
table = &mGammaTable[0];
#endif
mRenderer.reset(new FontRenderer(table));
}
return *mRenderer;
}
void dumpMemoryUsage(String8& log) const {
if (mRenderer) {
mRenderer->dumpMemoryUsage(log);
} else {
log.appendFormat("FontRenderer doesn't exist.\n");
}
}
uint32_t getSize() const { return mRenderer ? mRenderer->getSize() : 0; }
void endPrecaching();
private:
std::unique_ptr<FontRenderer> mRenderer;
#ifndef ANDROID_ENABLE_LINEAR_BLENDING
uint8_t mGammaTable[256];
#endif
};
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_GAMMA_FONT_RENDERER_H
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