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/*
* Copyright (C) 2021 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.
*/
#pragma once
#include <include/core/SkCanvas.h>
#include "SkPaintFilterCanvas.h"
#include <effects/StretchEffect.h>
class TransformCanvas : public SkPaintFilterCanvas {
public:
TransformCanvas(SkCanvas* target, SkBlendMode blendmode) :
SkPaintFilterCanvas(target), mWrappedCanvas(target), mHolePunchBlendMode(blendmode) {}
protected:
bool onFilter(SkPaint& paint) const override;
protected:
void onDrawAnnotation(const SkRect& rect, const char* key, SkData* value) override;
void onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) override;
private:
// We don't own the canvas so just maintain a raw pointer to it
SkCanvas* mWrappedCanvas;
const SkBlendMode mHolePunchBlendMode;
};
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