private static IImageSourceHandler GetHandler(ImageSource source)
{
IImageSourceHandler returnValue = null;
switch (source)
{
case UriImageSource _:
returnValue = new ImageLoaderSourceHandler();
break;
case FileImageSource _:
returnValue = new FileImageSourceHandler();
break;
case StreamImageSource _:
returnValue = new StreamImagesourceHandler();
break;
case SKBitmapImageSource _:
returnValue = new SKImageSourceHandler();
break;
}
return(returnValue);
}
public object ConvertToNative(Brush brush, object context)
{
winMedia.Brush winBrush = null;
// SolidColorBrush
if (brush is SolidColorBrush)
{
SolidColorBrush xamBrush = brush as SolidColorBrush;
winBrush = new winMedia.SolidColorBrush
{
Color = ConvertColor(xamBrush.Color)
};
}
// LinearGradientBrush
else if (brush is LinearGradientBrush)
{
LinearGradientBrush xamBrush = brush as LinearGradientBrush;
winBrush = new winMedia.LinearGradientBrush
{
StartPoint = ConvertPoint(xamBrush.StartPoint),
EndPoint = ConvertPoint(xamBrush.EndPoint),
SpreadMethod = ConvertGradientSpread(xamBrush.SpreadMethod)
};
foreach (GradientStop xamGradientStop in xamBrush.GradientStops)
{
winMedia.GradientStop winGradientStop = new winMedia.GradientStop
{
Color = ConvertColor(xamGradientStop.Color),
Offset = xamGradientStop.Offset
};
(winBrush as winMedia.LinearGradientBrush).GradientStops.Add(winGradientStop);
}
}
else if (brush is ImageBrush)
{
ImageBrush xamBrush = brush as ImageBrush;
winBrush = new winMedia.ImageBrush
{
Stretch = (winMedia.Stretch)(int) xamBrush.Stretch,
AlignmentX = (winMedia.AlignmentX)(int) xamBrush.AlignmentX,
AlignmentY = (winMedia.AlignmentY)(int) xamBrush.AlignmentY,
};
ImageSource xamImageSource = (brush as ImageBrush).ImageSource;
if (xamImageSource != null)
{
IImageSourceHandler handler = null;
if (xamImageSource.GetType() == typeof(FileImageSource))
{
handler = new FileImageSourceHandler();
}
else if (xamImageSource.GetType() == typeof(StreamImageSource))
{
handler = new StreamImageSourceHandler();
}
else if (xamImageSource.GetType() == typeof(UriImageSource))
{
handler = new UriImageSourceHandler();
}
if (handler != null)
{
Task <winMedia.ImageSource> winImageSourceTask = handler.LoadImageAsync(xamImageSource);
winImageSourceTask.ContinueWith((task) =>
{
winFound.IAsyncAction asyncAction = winBrush.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
(winBrush as winMedia.ImageBrush).ImageSource = task.Result;
});
});
}
}
}
if (winBrush != null)
{
winBrush.Transform = brush.Transform?.GetNativeObject() as winMedia.MatrixTransform;
// TODO: RelativeTransform and Opacity
}
return(winBrush);
}
public static Task <UIImage> ToUIImage(this ImageSource imageSource)
{
IImageSourceHandler handler = imageSource.GetHandler();
return(handler.LoadImageAsync(imageSource));
}
