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/*
* Copyright (C) 2019 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_GRAPHICS_PAINT_H
#define ANDROID_GRAPHICS_PAINT_H
#include <cutils/compiler.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
/**
* Opaque handle for a native graphics canvas.
*/
typedef struct APaint APaint;
/** Bitmap pixel format. */
enum ABlendMode {
/** replaces destination with zero: fully transparent */
ABLEND_MODE_CLEAR = 0,
/** source over destination */
ABLEND_MODE_SRC_OVER = 1,
/** replaces destination **/
ABLEND_MODE_SRC = 2,
};
ANDROID_API APaint* APaint_createPaint();
ANDROID_API void APaint_destroyPaint(APaint* paint);
ANDROID_API void APaint_setBlendMode(APaint* paint, ABlendMode blendMode);
__END_DECLS
#ifdef __cplusplus
namespace android {
namespace graphics {
class Paint {
public:
Paint() : mPaint(APaint_createPaint()) {}
~Paint() { APaint_destroyPaint(mPaint); }
void setBlendMode(ABlendMode blendMode) { APaint_setBlendMode(mPaint, blendMode); }
const APaint& get() const { return *mPaint; }
private:
APaint* mPaint;
};
}; // namespace graphics
}; // namespace android
#endif // __cplusplus
#endif // ANDROID_GRAPHICS_PAINT_H
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