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/*
* Copyright 2013 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 SF_EFFECTS_DALTONIZER_H_
#define SF_EFFECTS_DALTONIZER_H_
#include <ui/mat4.h>
namespace android {
class Daltonizer {
public:
enum ColorBlindnessTypes {
protanopia, // L (red) cone missing
deuteranopia, // M (green) cone missing
tritanopia, // S (blue) cone missing
protanomaly, // L (red) cone deficient
deuteranomaly, // M (green) cone deficient (most common)
tritanomaly // S (blue) cone deficient
};
enum Mode {
simulation,
correction
};
Daltonizer();
~Daltonizer();
void setType(ColorBlindnessTypes type);
void setMode(Mode mode);
// returns the color transform to apply in the shader
const mat4& operator()();
private:
void update();
ColorBlindnessTypes mType;
Mode mMode;
bool mDirty;
mat4 mColorTransform;
};
} /* namespace android */
#endif /* SF_EFFECTS_DALTONIZER_H_ */
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