/*
* 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.insertReorderBarrier(true);
canvas.drawRenderNode(zoomImageView.get());
canvas.insertReorderBarrier(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, x, y, x + magnifier->width(),
y + magnifier->height(), &temp);
}
}
sk_sp<Bitmap> magnifier;
};