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 #include "utils/Color.h" 19 20 class OpPropAnimation; 21 22 static TestScene::Registrar _Shapes(TestScene::Info{ 23 "opprops", 24 "A minimal demonstration of CanvasProperty drawing operations.", 25 TestScene::simpleCreateScene<OpPropAnimation> 26 }); 27 28 class OpPropAnimation : public TestScene { 29 public: 30 sp<CanvasPropertyPaint> mPaint = new CanvasPropertyPaint(SkPaint()); 31 32 sp<CanvasPropertyPrimitive> mRoundRectLeft = new CanvasPropertyPrimitive(0); 33 sp<CanvasPropertyPrimitive> mRoundRectTop = new CanvasPropertyPrimitive(0); 34 sp<CanvasPropertyPrimitive> mRoundRectRight = new CanvasPropertyPrimitive(0); 35 sp<CanvasPropertyPrimitive> mRoundRectBottom = new CanvasPropertyPrimitive(0); 36 sp<CanvasPropertyPrimitive> mRoundRectRx = new CanvasPropertyPrimitive(0); 37 sp<CanvasPropertyPrimitive> mRoundRectRy = new CanvasPropertyPrimitive(0); 38 39 sp<CanvasPropertyPrimitive> mCircleX = new CanvasPropertyPrimitive(0); 40 sp<CanvasPropertyPrimitive> mCircleY = new CanvasPropertyPrimitive(0); 41 sp<CanvasPropertyPrimitive> mCircleRadius = new CanvasPropertyPrimitive(0); 42 43 sp<RenderNode> content; 44 void createContent(int width, int height, Canvas& canvas) override { 45 content = TestUtils::createNode(0, 0, width, height, 46 [this, width, height](RenderProperties& props, Canvas& canvas) { 47 mPaint->value.setAntiAlias(true); 48 mPaint->value.setColor(Color::Blue_500); 49 50 mRoundRectRight->value = width / 2; 51 mRoundRectBottom->value = height / 2; 52 53 mCircleX->value = width * 0.75; 54 mCircleY->value = height * 0.75; 55 56 canvas.drawColor(Color::White, SkBlendMode::kSrcOver); 57 canvas.drawRoundRect(mRoundRectLeft.get(), mRoundRectTop.get(), 58 mRoundRectRight.get(), mRoundRectBottom.get(), 59 mRoundRectRx.get(), mRoundRectRy.get(), mPaint.get()); 60 canvas.drawCircle(mCircleX.get(), mCircleY.get(), mCircleRadius.get(), mPaint.get()); 61 }); 62 canvas.drawRenderNode(content.get()); 63 } 64 65 void doFrame(int frameNr) override { 66 float value = (abs((frameNr % 200) - 100)) / 100.0f; 67 mRoundRectRx->value = dp(10) + value * dp(40); 68 mRoundRectRy->value = dp(10) + value * dp(80); 69 mCircleRadius->value = value * dp(200); 70 content->setPropertyFieldsDirty(RenderNode::GENERIC); 71 } 72 }; 73
