1 files changed, 59 insertions, 0 deletions
diff --git a/services/surfaceflinger/Effects/Daltonizer.h b/services/surfaceflinger/Effects/Daltonizer.h
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+++ b/services/surfaceflinger/Effects/Daltonizer.h
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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_ */