1 /* 2 * Copyright (C) 2015 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 #include "TestSceneBase.h" 18 19 class ClippingAnimation; 20 21 static TestScene::Registrar _RectGrid(TestScene::Info{ 22 "clip", 23 "Complex clip cases" 24 "Low CPU/GPU load.", 25 TestScene::simpleCreateScene<ClippingAnimation>}); 26 27 class ClippingAnimation : public TestScene { 28 public: 29 sp<RenderNode> card; createContent(int width,int height,Canvas & canvas)30 void createContent(int width, int height, Canvas& canvas) override { 31 canvas.drawColor(Color::White, SkBlendMode::kSrcOver); 32 card = TestUtils::createNode(0, 0, 200, 400, [](RenderProperties& props, Canvas& canvas) { 33 canvas.save(SaveFlags::MatrixClip); 34 { 35 canvas.clipRect(0, 0, 200, 200, SkClipOp::kIntersect); 36 canvas.translate(100, 100); 37 canvas.rotate(45); 38 canvas.translate(-100, -100); 39 canvas.clipRect(0, 0, 200, 200, SkClipOp::kIntersect); 40 canvas.drawColor(Color::Blue_500, SkBlendMode::kSrcOver); 41 } 42 canvas.restore(); 43 44 canvas.save(SaveFlags::MatrixClip); 45 { 46 SkPath clipCircle; 47 clipCircle.addCircle(100, 300, 100); 48 canvas.clipPath(&clipCircle, SkClipOp::kIntersect); 49 canvas.drawColor(Color::Red_500, SkBlendMode::kSrcOver); 50 } 51 canvas.restore(); 52 53 // put on a layer, to test stencil attachment 54 props.mutateLayerProperties().setType(LayerType::RenderLayer); 55 props.setAlpha(0.9f); 56 }); 57 canvas.drawRenderNode(card.get()); 58 } doFrame(int frameNr)59 void doFrame(int frameNr) override { 60 int curFrame = frameNr % 150; 61 card->mutateStagingProperties().setTranslationX(curFrame); 62 card->mutateStagingProperties().setTranslationY(curFrame); 63 card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y); 64 } 65 }; 66