File: MagnifierAnimation.cpp

package info (click to toggle)
android-platform-frameworks-base 1%3A14~beta1-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 326,092 kB
  • sloc: java: 2,032,373; xml: 343,016; cpp: 304,181; python: 3,683; ansic: 2,090; sh: 1,871; makefile: 117; sed: 19
file content (79 lines) | stat: -rw-r--r-- 3,203 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
 * Copyright (C) 2017 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"
#include "renderthread/RenderProxy.h"
#include "utils/Color.h"
#include "hwui/Paint.h"

class MagnifierAnimation;

static TestScene::Registrar _Magnifier(TestScene::Info{
        "magnifier", "A sample magnifier using Readback",
        TestScene::simpleCreateScene<MagnifierAnimation>});

class MagnifierAnimation : public TestScene {
public:
    sp<RenderNode> card;
    sp<RenderNode> zoomImageView;

    void createContent(int width, int height, Canvas& canvas) override {
        magnifier = TestUtils::createBitmap(200, 100);
        SkBitmap temp;
        magnifier->getSkBitmap(&temp);
        temp.eraseColor(Color::White);
        canvas.drawColor(Color::White, SkBlendMode::kSrcOver);
        card = TestUtils::createNode(
                0, 0, width, height, [&](RenderProperties& props, Canvas& canvas) {
                    Paint paint;
                    paint.setAntiAlias(true);
                    paint.getSkFont().setSize(50);

                    paint.setColor(Color::Black);
                    TestUtils::drawUtf8ToCanvas(&canvas, "Test string", paint, 10, 400);
                });
        canvas.drawRenderNode(card.get());
        zoomImageView = TestUtils::createNode(
                100, 100, 500, 300, [&](RenderProperties& props, Canvas& canvas) {
                    props.setElevation(dp(16));
                    props.mutableOutline().setRoundRect(0, 0, props.getWidth(), props.getHeight(),
                                                        dp(6), 1);
                    props.mutableOutline().setShouldClip(true);
                    canvas.drawBitmap(*magnifier, 0.0f, 0.0f, (float)magnifier->width(),
                                      (float)magnifier->height(), 0, 0, (float)props.getWidth(),
                                      (float)props.getHeight(), nullptr);
                });
        canvas.enableZ(true);
        canvas.drawRenderNode(zoomImageView.get());
        canvas.enableZ(false);
    }

    void doFrame(int frameNr) override {
        int curFrame = frameNr % 150;
        card->mutateStagingProperties().setTranslationX(curFrame);
        card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
        if (renderTarget) {
            SkBitmap temp;
            magnifier->getSkBitmap(&temp);
            constexpr int x = 90;
            constexpr int y = 325;
            RenderProxy::copySurfaceInto(renderTarget.get(), x, y, x + magnifier->width(),
                                         y + magnifier->height(), &temp);
        }
    }

    sk_sp<Bitmap> magnifier;
};