1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <SkCanvas.h> 20 #include <SkDrawable.h> 21 #include <SkPaint.h> 22 23 namespace android { 24 namespace uirenderer { 25 26 class RenderNode; 27 class RenderProperties; 28 29 namespace skiapipeline { 30 31 /** 32 * This drawable captures it's backdrop content and render it with a 33 * image filter. 34 */ 35 class BackdropFilterDrawable : public SkDrawable { 36 public: BackdropFilterDrawable(RenderNode * renderNode,SkCanvas * canvas)37 BackdropFilterDrawable(RenderNode* renderNode, SkCanvas* canvas) 38 : mTargetRenderNode(renderNode), mBounds(canvas->getLocalClipBounds()) {} 39 40 ~BackdropFilterDrawable() = default; 41 42 private: 43 RenderNode* mTargetRenderNode; 44 45 protected: 46 void onDraw(SkCanvas* canvas) override; 47 onGetBounds()48 virtual SkRect onGetBounds() override { return mBounds; } 49 const SkRect mBounds; 50 }; 51 52 } // namespace skiapipeline 53 } // namespace uirenderer 54 } // namespace android 55