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/*
* Copyright (C) 2016 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 "SkiaCanvas.h"
#include "SkiaDisplayList.h"
#include "ReorderBarrierDrawables.h"
#include <SkLiteRecorder.h>
namespace android {
namespace uirenderer {
namespace skiapipeline {
/**
* A SkiaCanvas implementation that records drawing operations for deferred rendering backed by a
* SkLiteRecorder and a SkiaDisplayList.
*/
class SkiaRecordingCanvas : public SkiaCanvas {
public:
explicit SkiaRecordingCanvas(uirenderer::RenderNode* renderNode, int width, int height) {
initDisplayList(renderNode, width, height);
}
virtual void setBitmap(const SkBitmap& bitmap) override {
LOG_ALWAYS_FATAL("DisplayListCanvas is not backed by a bitmap.");
}
virtual void resetRecording(int width, int height,
uirenderer::RenderNode* renderNode) override {
initDisplayList(renderNode, width, height);
}
virtual uirenderer::DisplayList* finishRecording() override;
virtual void drawBitmap(Bitmap& bitmap, float left, float top,
const SkPaint* paint) override;
virtual void drawBitmap(Bitmap& bitmap, const SkMatrix& matrix,
const SkPaint* paint) override;
virtual void drawBitmap(Bitmap& bitmap, float srcLeft, float srcTop,
float srcRight, float srcBottom, float dstLeft, float dstTop,
float dstRight, float dstBottom, const SkPaint* paint) override;
virtual void drawNinePatch(Bitmap& hwuiBitmap, const android::Res_png_9patch& chunk,
float dstLeft, float dstTop, float dstRight, float dstBottom,
const SkPaint* paint) override;
virtual void drawRoundRect(uirenderer::CanvasPropertyPrimitive* left,
uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right,
uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx,
uirenderer::CanvasPropertyPrimitive* ry,
uirenderer::CanvasPropertyPaint* paint) override;
virtual void drawCircle(uirenderer::CanvasPropertyPrimitive* x,
uirenderer::CanvasPropertyPrimitive* y, uirenderer::CanvasPropertyPrimitive* radius,
uirenderer::CanvasPropertyPaint* paint) override;
virtual void drawVectorDrawable(VectorDrawableRoot* vectorDrawable) override;
virtual void insertReorderBarrier(bool enableReorder) override;
virtual void drawLayer(uirenderer::DeferredLayerUpdater* layerHandle) override;
virtual void drawRenderNode(uirenderer::RenderNode* renderNode) override;
virtual void callDrawGLFunction(Functor* functor,
uirenderer::GlFunctorLifecycleListener* listener) override;
private:
SkLiteRecorder mRecorder;
std::unique_ptr<SkiaDisplayList> mDisplayList;
StartReorderBarrierDrawable* mCurrentBarrier;
/**
* A new SkiaDisplayList is created or recycled if available.
*
* @param renderNode is optional and used to recycle an old display list.
* @param width used to calculate recording bounds.
* @param height used to calculate recording bounds.
*/
void initDisplayList(uirenderer::RenderNode* renderNode, int width, int height);
};
}; // namespace skiapipeline
}; // namespace uirenderer
}; // namespace android
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