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 #include <cstdio> 21 22 class ShapeAnimation; 23 24 static TestScene::Registrar _Shapes(TestScene::Info{ 25 "shapes", 26 "A grid of shape drawing test cases.", 27 TestScene::simpleCreateScene<ShapeAnimation> 28 }); 29 30 class ShapeAnimation : public TestScene { 31 public: 32 sp<RenderNode> card; 33 void createContent(int width, int height, Canvas& canvas) override { 34 card = TestUtils::createNode(0, 0, width, height, 35 [width](RenderProperties& props, Canvas& canvas) { 36 std::function<void(Canvas&, float, const SkPaint&)> ops[] = { 37 [](Canvas& canvas, float size, const SkPaint& paint) { 38 canvas.drawArc(0, 0, size, size, 50, 189, true, paint); 39 }, 40 [](Canvas& canvas, float size, const SkPaint& paint) { 41 canvas.drawOval(0, 0, size, size, paint); 42 }, 43 [](Canvas& canvas, float size, const SkPaint& paint) { 44 SkPath diamondPath; 45 diamondPath.moveTo(size / 2, 0); 46 diamondPath.lineTo(size, size / 2); 47 diamondPath.lineTo(size / 2, size); 48 diamondPath.lineTo(0, size / 2); 49 diamondPath.close(); 50 canvas.drawPath(diamondPath, paint); 51 }, 52 [](Canvas& canvas, float size, const SkPaint& paint) { 53 float data[] = {0, 0, size, size, 0, size, size, 0 }; 54 canvas.drawLines(data, sizeof(data) / sizeof(float), paint); 55 }, 56 [](Canvas& canvas, float size, const SkPaint& paint) { 57 float data[] = {0, 0, size, size, 0, size, size, 0 }; 58 canvas.drawPoints(data, sizeof(data) / sizeof(float), paint); 59 }, 60 [](Canvas& canvas, float size, const SkPaint& paint) { 61 canvas.drawRect(0, 0, size, size, paint); 62 }, 63 [](Canvas& canvas, float size, const SkPaint& paint) { 64 float rad = size / 4; 65 canvas.drawRoundRect(0, 0, size, size, rad, rad, paint); 66 } 67 }; 68 float cellSpace = dp(4); 69 float cellSize = floorf(width / 7 - cellSpace); 70 71 // each combination of strokeWidth + style gets a column 72 int outerCount = canvas.save(SaveFlags::MatrixClip); 73 SkPaint paint; 74 paint.setAntiAlias(true); 75 SkPaint::Style styles[] = { 76 SkPaint::kStroke_Style, SkPaint::kFill_Style, SkPaint::kStrokeAndFill_Style }; 77 for (auto style : styles) { 78 paint.setStyle(style); 79 for (auto strokeWidth : { 0.0f, 0.5f, 8.0f }) { 80 paint.setStrokeWidth(strokeWidth); 81 // fill column with each op 82 int middleCount = canvas.save(SaveFlags::MatrixClip); 83 for (auto op : ops) { 84 int innerCount = canvas.save(SaveFlags::MatrixClip); 85 canvas.clipRect(0, 0, cellSize, cellSize, SkClipOp::kIntersect); 86 canvas.drawColor(Color::White, SkBlendMode::kSrcOver); 87 op(canvas, cellSize, paint); 88 canvas.restoreToCount(innerCount); 89 canvas.translate(cellSize + cellSpace, 0); 90 } 91 canvas.restoreToCount(middleCount); 92 canvas.translate(0, cellSize + cellSpace); 93 } 94 } 95 canvas.restoreToCount(outerCount); 96 }); 97 canvas.drawColor(Color::Grey_500, SkBlendMode::kSrcOver); 98 canvas.drawRenderNode(card.get()); 99 } 100 101 void doFrame(int frameNr) override { 102 card->mutateStagingProperties().setTranslationY(frameNr % 150); 103 card->setPropertyFieldsDirty(RenderNode::Y); 104 } 105 }; 106
