private void GenerateThumbnail(MultimediaLinkViewModel item, int maxDimension)
{
string filename = _tempFileManager.GetContentFileName(item.MultimediaID, item.Extension);
item.TempFilename = filename;
this.InvokeIfRequired(() => {
item.Thumbnail = GraphicsUtils.GenerateThumbnail(filename, maxDimension);
});
}
private void ViewMultimedia(MultimediaLinkViewModel selected)
{
var filename = _tempFileManager.GetContentFileName(selected.MultimediaID, selected.Extension);
if (!string.IsNullOrWhiteSpace(filename))
{
SystemUtils.ShellExecute(filename);
}
}
private void DisplayMultimedia(MultimediaLinkViewModel selected)
{
if (selected != null)
{
JobExecutor.QueueJob(() => {
string filename = _tempFileManager.GetContentFileName(selected.MultimediaID, selected.Extension);
var image = GraphicsUtils.LoadImageFromFile(filename);
imgPreview.InvokeIfRequired(() => {
imgPreview.Stretch = Stretch.Uniform;
imgPreview.StretchDirection = StretchDirection.DownOnly;
imgPreview.Source = image;
gridInfo.DataContext = image;
FileInfo f = new FileInfo(filename);
lblImageInfo.Content = string.Format("{0}x{1} {2} DPI {3}", image.PixelWidth, image.PixelHeight, image.DpiX, ByteLengthConverter.FormatBytes(f.Length));
});
});
}
else
{
imgPreview.Source = null;
lblImageInfo.Content = "";
}
}