| /* |
| * Copyright (C) 2015 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. |
| */ |
| |
| #include "TestSceneBase.h" |
| |
| class SaveLayerAnimation; |
| |
| static TestScene::Registrar _SaveLayer(TestScene::Info{ |
| "savelayer", |
| "A nested pair of clipped saveLayer operations. " |
| "Tests the clipped saveLayer codepath. Draws content into offscreen buffers and back " |
| "again.", |
| TestScene::simpleCreateScene<SaveLayerAnimation>}); |
| |
| class SaveLayerAnimation : public TestScene { |
| public: |
| sp<RenderNode> card; |
| void createContent(int width, int height, Canvas& canvas) override { |
| canvas.drawColor(Color::White, SkBlendMode::kSrcOver); // background |
| |
| card = TestUtils::createNode(0, 0, 400, 800, [](RenderProperties& props, Canvas& canvas) { |
| // nested clipped saveLayers |
| canvas.saveLayerAlpha(0, 0, 400, 400, 200, SaveFlags::ClipToLayer); |
| canvas.drawColor(Color::Green_700, SkBlendMode::kSrcOver); |
| canvas.clipRect(50, 50, 350, 350, SkClipOp::kIntersect); |
| canvas.saveLayerAlpha(100, 100, 300, 300, 128, SaveFlags::ClipToLayer); |
| canvas.drawColor(Color::Blue_500, SkBlendMode::kSrcOver); |
| canvas.restore(); |
| canvas.restore(); |
| |
| // single unclipped saveLayer |
| canvas.save(SaveFlags::MatrixClip); |
| canvas.translate(0, 400); |
| canvas.saveLayerAlpha(100, 100, 300, 300, 128, SaveFlags::Flags(0)); // unclipped |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setColor(Color::Green_700); |
| canvas.drawCircle(200, 200, 200, paint); |
| canvas.restore(); |
| canvas.restore(); |
| }); |
| |
| canvas.drawRenderNode(card.get()); |
| } |
| void doFrame(int frameNr) override { |
| int curFrame = frameNr % 150; |
| card->mutateStagingProperties().setTranslationX(curFrame); |
| card->mutateStagingProperties().setTranslationY(curFrame); |
| card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y); |
| } |
| }; |