GlyphStressAnimation.cpp revision 06152cdd06da50762716cd455dcf7ab0117f25b0 
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 <cstdio>
24
25class GlyphStressAnimation;
26
27static TestScene::Registrar _GlyphStress(TestScene::Info{
28    "glyphstress",
29    "A stress test for both the glyph cache, and glyph rendering.",
30    TestScene::simpleCreateScene<GlyphStressAnimation>
31});
32
33class GlyphStressAnimation : public TestScene {
34public:
35    sp<RenderNode> container;
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, SkXfermode::kSrcOver_Mode);
41        canvas.drawRenderNode(container.get());
42    }
43
44    void doFrame(int frameNr) override {
45        std::unique_ptr<uint16_t[]> text = TestUtils::asciiToUtf16(
46                "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
47        ssize_t textLength = 26 * 2;
48
49        std::unique_ptr<Canvas> canvas(Canvas::create_recording_canvas(
50                container->stagingProperties().getWidth(),
51                container->stagingProperties().getHeight()));
52
53        Paint paint;
54        paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
55        paint.setAntiAlias(true);
56        paint.setColor(Color::Black);
57        for (int i = 0; i < 5; i++) {
58            paint.setTextSize(10 + (frameNr % 20) + i * 20);
59            canvas->drawText(text.get(), 0, textLength, textLength,
60                    0, 100 * (i + 2), minikin::kBidi_Force_LTR, paint, nullptr);
61        }
62
63        container->setStagingDisplayList(canvas->finishRecording(), nullptr);
64    }
65};
66