Method onDraw

snap_drawing/src/snap_drawing/cpp/Layers/AnimatedImageLayer.cpp:37–59

}

void AnimatedImageLayer::onDraw(DrawingContext& drawingContext) {
    if (_image == nullptr) {
        return;
    }

    auto drawBounds = drawingContext.drawBounds();

    auto imageWidth = static_cast<Scalar>(_image->getSize().width);
    auto imageHeight = static_cast<Scalar>(_image->getSize().height);
    auto imageRect = Rect::makeLTRB(0, 0, imageWidth, imageHeight);

    auto imageDrawBounds = drawBounds.makeFittingSize(imageRect.size(), _fittingSizeMode);

    // Clip to view bounds. Applied before matrix transform
    auto drawRect = imageDrawBounds.intersection(drawBounds);
    drawingContext.clipRect(drawRect);

    if (_shouldFlip) {
        drawingContext.concat(Matrix::makeScaleTranslate(-1, 1, imageDrawBounds.width(), 0));
    }

    _image->draw(drawingContext.canvas(), imageDrawBounds, _currentTime, _fittingSizeMode);
}

void AnimatedImageLayer::onLoadedAssetChanged(const Ref<Valdi::LoadedAsset>& loadedAsset, bool shouldDrawFlipped) {
    setImage(Valdi::castOrNull<AnimatedImage>(loadedAsset));