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 <hwui/Paint.h>
21 #include <minikin/Layout.h>
22 
23 #include <SkBlendMode.h>
24 
25 #include <cstdio>
26 
27 class GlyphStressAnimation;
28 
29 static TestScene::Registrar _GlyphStress(TestScene::Info{
30         "glyphstress", "A stress test for both the glyph cache, and glyph rendering.",
31         TestScene::simpleCreateScene<GlyphStressAnimation>});
32 
33 class GlyphStressAnimation : public TestScene {
34 public:
35     sp<RenderNode> container;
createContent(int width,int height,Canvas & canvas)36     void createContent(int width, int height, Canvas& canvas) override {
37         container = TestUtils::createNode(0, 0, width, height, nullptr);
38         doFrame(0);  // update container
39 
40         canvas.drawColor(Color::White, SkBlendMode::kSrcOver);
41         canvas.drawRenderNode(container.get());
42     }
43 
doFrame(int frameNr)44     void doFrame(int frameNr) override {
45         const char* text = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
46 
47         std::unique_ptr<Canvas> canvas(
48                 Canvas::create_recording_canvas(container->stagingProperties().getWidth(),
49                                                 container->stagingProperties().getHeight(),
50                                                 container.get()));
51 
52         Paint paint;
53         paint.setAntiAlias(true);
54         paint.setColor(Color::Black);
55         for (int i = 0; i < 5; i++) {
56             paint.getSkFont().setSize(10 + (frameNr % 20) + i * 20);
57             TestUtils::drawUtf8ToCanvas(canvas.get(), text, paint, 0, 100 * (i + 2));
58         }
59 
60         canvas->finishRecording(container.get());
61     }
62 };
63