67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_GRAPHICS_PAINT_H
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#define ANDROID_GRAPHICS_PAINT_H
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#include <cutils/compiler.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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/**
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* Opaque handle for a native graphics canvas.
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*/
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typedef struct APaint APaint;
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/** Bitmap pixel format. */
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enum ABlendMode {
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/** replaces destination with zero: fully transparent */
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ABLEND_MODE_CLEAR = 0,
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/** source over destination */
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ABLEND_MODE_SRC_OVER = 1,
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/** replaces destination **/
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ABLEND_MODE_SRC = 2,
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};
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ANDROID_API APaint* APaint_createPaint();
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ANDROID_API void APaint_destroyPaint(APaint* paint);
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ANDROID_API void APaint_setBlendMode(APaint* paint, ABlendMode blendMode);
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__END_DECLS
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#ifdef __cplusplus
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namespace android {
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namespace graphics {
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class Paint {
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public:
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Paint() : mPaint(APaint_createPaint()) {}
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~Paint() { APaint_destroyPaint(mPaint); }
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void setBlendMode(ABlendMode blendMode) { APaint_setBlendMode(mPaint, blendMode); }
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const APaint& get() const { return *mPaint; }
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private:
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APaint* mPaint;
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};
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}; // namespace graphics
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}; // namespace android
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#endif // __cplusplus
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#endif // ANDROID_GRAPHICS_PAINT_H
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