bool TryGetUriProperty(object imageSource, out AbstractProperty uriProperty)
{
uriProperty = null;
if (imageSource == null)
{
return(false);
}
MultiImageSource miSource = imageSource as MultiImageSource;
if (miSource != null)
{
uriProperty = miSource.UriSourceProperty;
return(true);
}
BitmapImageSource bSource = imageSource as BitmapImageSource;
if (bSource != null)
{
uriProperty = bSource.UriSourceProperty;
return(true);
}
return(false);
}
public override void DeepCopy(IDeepCopyable source, ICopyManager copyManager)
{
base.DeepCopy(source, copyManager);
Detach();
BitmapImageSource b = (BitmapImageSource)source;
UriSource = b.UriSource;
DecodePixelWidth = b.DecodePixelWidth;
DecodePixelHeight = b.DecodePixelHeight;
Thumbnail = b.Thumbnail;
ThumbnailDimension = b.ThumbnailDimension;
BorderColor = b.BorderColor;
Attach();
FreeData();
}
/// <summary>
/// Loads an ImageSource and allows control of thumbnail use.
/// Morpheus_xx, 2011-12-13: For fallback sources no thumbnails should be used, because ALL thumbs are created as JPG. This currenly causes an issue:
/// Source -> no thumbnail created -> FallbackSource (PNG) -> creates a JPG thumbnail, so Alpha-Channel of FallbackSource is lost.
/// TODO: Image class and thumbnail handling should be refactored to allow more control about image formats and thumbs usage.
/// </summary>
/// <param name="source">Source</param>
/// <param name="allowThumbs">True to allow building a thumbnail of given source</param>
/// <returns>ImageSource or null</returns>
protected ImageSource LoadImageSource(object source, bool allowThumbs)
{
if (source == null)
return null;
bool thumbnail = allowThumbs && Thumbnail;
ImageSource imageSource;
if (ImageSourceFactory.TryCreateImageSource(source, (int)Width, (int)Height, out imageSource))
{
return imageSource;
}
string uriSource = source as string;
if (!string.IsNullOrEmpty(uriSource))
{
// Remember to adapt list of supported extensions for image player plugin...
if (IsValidSource(uriSource))
{
BitmapImageSource bmi = new BitmapImageSource { UriSource = uriSource, Thumbnail = thumbnail };
if (thumbnail)
// Set the requested thumbnail dimension, to use the best matching format.
bmi.ThumbnailDimension = (int)Math.Max(Width, Height);
return bmi;
}
// TODO: More image types
}
string warnSource = source.ToString();
if (_formerWarnURI != warnSource)
{
if (!string.IsNullOrEmpty(warnSource))
ServiceRegistration.Get<ILogger>().Warn("Image: Image source '{0}' is not supported", warnSource);
// Remember if we already wrote a warning to the log to avoid log flooding
_formerWarnURI = uriSource;
}
return null;
}
/// <summary>
/// Loads an ImageSource and allows control of thumbnail use.
/// Morpheus_xx, 2011-12-13: For fallback sources no thumbnails should be used, because ALL thumbs are created as JPG. This currenly causes an issue:
/// Source -> no thumbnail created -> FallbackSource (PNG) -> creates a JPG thumbnail, so Alpha-Channel of FallbackSource is lost.
/// TODO: Image class and thumbnail handling should be refactored to allow more control about image formats and thumbs usage.
/// </summary>
/// <param name="source">Source</param>
/// <param name="allowThumbs">True to allow building a thumbnail of given source</param>
/// <returns>ImageSource or null</returns>
protected ImageSource LoadImageSource(object source, bool allowThumbs)
{
ImageSource result;
bool thumbnail = allowThumbs && Thumbnail;
_invalidateImageSourceOnResize = false;
if (source is MediaItem)
{
result = MediaItemsHelper.CreateThumbnailImageSource((MediaItem) source, (int) Math.Max(Width, Height));
_invalidateImageSourceOnResize = true;
}
else if (source is IResourceLocator)
{
IResourceLocator resourceLocator = (IResourceLocator) source;
result = new ResourceAccessorTextureImageSource(resourceLocator.CreateAccessor(), RightAngledRotation.Zero);
}
else
result = source as ImageSource;
if (result == null)
{
string uriSource = source as string;
if (!string.IsNullOrEmpty(uriSource))
{
// Remember to adapt list of supported extensions for image player plugin...
if (IsValidSource(uriSource))
{
BitmapImageSource bmi = new BitmapImageSource { UriSource = uriSource, Thumbnail = thumbnail };
if (thumbnail)
// Set the requested thumbnail dimension, to use the best matching format.
bmi.ThumbnailDimension = (int) Math.Max(Width, Height);
result = bmi;
}
// TODO: More image types
else
{
if (_formerWarnURI != uriSource)
{
ServiceRegistration.Get<ILogger>().Warn("Image: Image source '{0}' is not supported", uriSource);
// Remember if we already wrote a warning to the log to avoid log flooding
_formerWarnURI = uriSource;
}
}
}
}
return result;
}