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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 <SkPaint.h>
#include "FontRenderer.h"
namespace android {
namespace uirenderer {
struct GammaFontRenderer {
GammaFontRenderer();
FontRenderer& getFontRenderer(const SkPaint* paint);
uint32_t getFontRendererCount() const {
return 3;
}
uint32_t getFontRendererSize(uint32_t fontRenderer) const {
switch (fontRenderer) {
case 0:
return mDefaultRenderer.getCacheHeight() * mDefaultRenderer.getCacheWidth();
case 1:
return mBlackGammaRenderer.getCacheHeight() * mBlackGammaRenderer.getCacheWidth();
case 2:
return mWhiteGammaRenderer.getCacheHeight() * mWhiteGammaRenderer.getCacheWidth();
}
return 0;
}
private:
FontRenderer mDefaultRenderer;
FontRenderer mBlackGammaRenderer;
FontRenderer mWhiteGammaRenderer;
int mBlackThreshold;
int mWhiteThreshold;
uint8_t mDefault[256];
uint8_t mBlackGamma[256];
uint8_t mWhiteGamma[256];
};
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_GAMMA_FONT_RENDERER_H
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