private void LoadThumbnail(OperatorPreset preset, bool useCache = true)
{
var imagePath = preset.BuildImagePath();
if (useCache && _cache.ContainsKey(imagePath))
{
XImage.Source = _cache[imagePath];
return;
}
if (File.Exists(imagePath))
{
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.UriSource = new Uri(imagePath, UriKind.RelativeOrAbsolute);
//bitmap.CacheOption = BitmapCacheOption.OnLoad;
//bitmap.CreateOptions = BitmapCreateOptions.IgnoreImageCache;
bitmap.EndInit();
bitmap.Freeze();
XImage.Source = bitmap;
_cache[imagePath] = bitmap;
}
else
{
XImage.Source = null;
Logger.Info("Failed to load thumbnail {0}", imagePath);
_cache[imagePath] = null;
}
}
public void RenderAndSaveThumbnail(OperatorPreset preset)
{
var op = App.Current.MainWindow.XParameterView.ShownOperator; // todo: remove access to parameter view!
if (op == null || !op.Outputs.Any())
{
return;
}
var output = op.Outputs.First();
if (LivePreviewEnabled)
{
if (App.Current.MainWindow.XRenderView.Operator != null && App.Current.MainWindow.XRenderView.Operator.Outputs.Any())
{
output = App.Current.MainWindow.XRenderView.Operator.Outputs[0];
}
}
var currentTime = App.Current.Model.GlobalTime;
var filePath = preset.BuildImagePath();
var result = Regex.Match(filePath, @"(.*)/(.*)\.png");
if (result == null)
{
throw new Exception("Invalid filepath format for thumbnails:" + filePath);
}
var directory = result.Groups[1].Value;
var filename = result.Groups[2].Value;
using (var sequenceCreator = new SequenceCreator())
{
sequenceCreator.Setup(output,
height: THUMB_HEIGHT,
width: THUMB_WIDTH,
startTime: currentTime,
endTime: currentTime,
frameRate: 10000,
fileExtension: "png",
skipExistingFiles: false,
directory: directory,
filenameFormat: filename);
sequenceCreator.RenderFrame();
}
}
