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/*
* 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"
#include "utils/Color.h"
class RecentsAnimation;
static TestScene::Registrar _Recents(TestScene::Info{
"recents",
"A recents-like scrolling list of textures. "
"Consists of updating a texture every frame",
TestScene::simpleCreateScene<RecentsAnimation>});
class RecentsAnimation : public TestScene {
public:
void createContent(int width, int height, Canvas& renderer) override {
static SkColor COLORS[] = {
Color::Red_500, Color::Purple_500, Color::Blue_500, Color::Green_500,
};
thumbnailSize = std::min(std::min(width, height) / 2, 720);
int cardsize = std::min(width, height) - dp(64);
renderer.drawColor(Color::White, SkBlendMode::kSrcOver);
renderer.enableZ(true);
int x = dp(32);
for (int i = 0; i < 4; i++) {
int y = (height / 4) * i;
SkBitmap bitmap;
sk_sp<Bitmap> thumb(TestUtils::createBitmap(thumbnailSize, thumbnailSize, &bitmap));
bitmap.eraseColor(COLORS[i]);
sp<RenderNode> card = createCard(x, y, cardsize, cardsize, *thumb);
card->mutateStagingProperties().setElevation(i * dp(8));
renderer.drawRenderNode(card.get());
mThumbnail = bitmap;
mCards.push_back(card);
}
renderer.enableZ(false);
}
void doFrame(int frameNr) override {
int curFrame = frameNr % 150;
for (size_t ci = 0; ci < mCards.size(); ci++) {
mCards[ci]->mutateStagingProperties().setTranslationY(curFrame);
mCards[ci]->setPropertyFieldsDirty(RenderNode::Y);
}
mThumbnail.eraseColor(TestUtils::interpolateColor(curFrame / 150.0f, Color::Green_500,
Color::DeepOrange_500));
}
private:
sp<RenderNode> createCard(int x, int y, int width, int height, Bitmap& thumb) {
return TestUtils::createNode(
x, y, x + width, y + height,
[&thumb, width, height](RenderProperties& props, Canvas& canvas) {
props.setElevation(dp(16));
props.mutableOutline().setRoundRect(0, 0, width, height, dp(10), 1);
props.mutableOutline().setShouldClip(true);
canvas.drawColor(Color::Grey_200, SkBlendMode::kSrcOver);
canvas.drawBitmap(thumb, 0, 0, thumb.width(), thumb.height(), 0, 0, width,
height, nullptr);
});
}
SkBitmap mThumbnail;
std::vector<sp<RenderNode> > mCards;
int thumbnailSize;
};
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