public bool TryConvert(object? @from, Type toType, object?conversionHint, out object?result)
{
result = @from;
if (@from is string path)
{
var ext = Path.GetExtension(path);
if (ext?.Equals(".svg") == true)
{
result = new SvgImageExtension(path).ProvideValue(null) as ImageSource;
}
else
{
result = new BitmapImage(new Uri(path));
}
return(true);
}
return(false);
}
public static ImageSource GetSVGOrBitmapImageSource(string filepath)
{
string localpath = FileDataProvider.EnsureLocalFilePathDownloadTempDirectory(filepath);
if (localpath == null && !File.Exists(localpath))
{
return(null);
}
ImageSource imageSource = null;
string ext = Path.GetExtension(localpath);
if (string.Equals(ext, DataProviderFactory.IMAGE_SVG_EXTENSION, StringComparison.OrdinalIgnoreCase) ||
string.Equals(ext, DataProviderFactory.IMAGE_SVGZ_EXTENSION, StringComparison.OrdinalIgnoreCase))
{
try
{
SvgImageExtension svgImageExt = new SvgImageExtension(localpath);
svgImageExt.TextAsGeometry = true;
svgImageExt.OptimizePath = true;
svgImageExt.IncludeRuntime = true;
imageSource = (DrawingImage)svgImageExt.ProvideValue(null);
}
catch (Exception e1)
{
return(null);
}
}
else
{
try
{
//new BitmapImage(new Uri(path, UriKind.Absolute));
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.UriSource = new Uri(localpath, UriKind.Absolute);
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.CreateOptions = BitmapCreateOptions.None;
bitmap.EndInit();
imageSource = bitmap;
}
catch (Exception e2)
{
return(null);
}
/*
* stream = new FileStream(fullImagePath, FileMode.Open, FileAccess.Read, FileShare.Read);
*
*
* if (fullImagePath.EndsWith(DataProviderFactory.IMAGE_JPG_EXTENSION) || fullImagePath.EndsWith(DataProviderFactory.IMAGE_JPEG_EXTENSION))
* {
* BitmapDecoder dec = new JpegBitmapDecoder(stream, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.OnLoad);
* image.Source = dec.Frames[0];
* }
* else if (fullImagePath.EndsWith(DataProviderFactory.IMAGE_PNG_EXTENSION))
* {
* BitmapDecoder dec = new PngBitmapDecoder(stream, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.OnLoad);
* image.Source = dec.Frames[0];
* }
* else if (fullImagePath.EndsWith(DataProviderFactory.IMAGE_BMP_EXTENSION))
* {
* BitmapDecoder dec = new BmpBitmapDecoder(stream, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.OnLoad);
* image.Source = dec.Frames[0];
* }
* else if (fullImagePath.EndsWith(DataProviderFactory.IMAGE_GIF_EXTENSION))
* {
* BitmapDecoder dec = new GifBitmapDecoder(stream, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.OnLoad);
* image.Source = dec.Frames[0];
* }
*/
}
return(imageSource);
}
