Function CreateImageLayer

drawers/src/layertree/SimpleLayerTree.cpp:83–107

}

static std::shared_ptr<tgfx::Layer> CreateImageLayer(const AppHost* host) {
  auto image = host->getImage("bridge");
  if (!image) {
    return nullptr;
  }
  auto card = tgfx::Layer::Make();
  auto cardMatrix = tgfx::Matrix::MakeTrans(24, 150);
  auto imageLayer = tgfx::ImageLayer::Make();
  imageLayer->setImage(image);
  auto imageScale = static_cast<float>(std::min(327.0 / image->width(), 344.0 / image->height()));
  auto maskLayer = tgfx::ShapeLayer::Make();
  maskLayer->setFillStyle(tgfx::SolidColor::Make());
  auto maskPath = tgfx::Path();
  auto radius = 20.f / imageScale;
  maskPath.addRoundRect(tgfx::Rect::MakeWH(image->width(), image->height()), radius, radius);
  maskLayer->setPath(maskPath);
  imageLayer->setMask(maskLayer);
  cardMatrix.preScale(imageScale, imageScale);
  card->setMatrix(cardMatrix);
  card->addChild(imageLayer);
  card->addChild(maskLayer);
  card->setFilters(
      {tgfx::DropShadowFilter::Make(0, 8, 32, 32, tgfx::Color::FromRGBA(6, 0, 71, 51))});
  return card;
}

std::shared_ptr<tgfx::Layer> SimpleLayerTree::buildLayerTree(const AppHost* host) {
  auto root = tgfx::Layer::Make();