/// <summary>
/// Processes the image.
/// </summary>
/// <param name="processor">
/// The processor.
/// </param>
/// <param name="factory">
/// The factory.
/// </param>
private static void ApplyProcessor(Func<ImageFactory, Image> processor, ImageFactory factory)
{
ImageInfo imageInfo = factory.Image.GetImageInfo(factory.ImageFormat);
if (imageInfo.IsAnimated)
{
OctreeQuantizer quantizer = new OctreeQuantizer(255, 8);
// We don't dispose of the memory stream as that is disposed when a new image is created and doing so
// beforehand will cause an exception.
MemoryStream stream = new MemoryStream();
using (GifEncoder encoder = new GifEncoder(stream, null, null, imageInfo.LoopCount))
{
foreach (GifFrame frame in imageInfo.GifFrames)
{
factory.Update(frame.Image);
frame.Image = quantizer.Quantize(processor.Invoke(factory));
encoder.AddFrame(frame);
}
}
stream.Position = 0;
factory.Update(Image.FromStream(stream));
}
else
{
factory.Update(processor.Invoke(factory));
}
// Set the property item information from any Exif metadata.
// We do this here so that they can be changed between processor methods.
if (factory.PreserveExifData)
{
foreach (KeyValuePair<int, PropertyItem> propertItem in factory.ExifPropertyItems)
{
try
{
factory.Image.SetPropertyItem(propertItem.Value);
}
// ReSharper disable once EmptyGeneralCatchClause
catch
{
// Do nothing. The image format does not handle EXIF data.
// TODO: empty catch is fierce code smell.
}
}
}
}
/// <summary>
/// Applies the given processor the current image.
/// </summary>
/// <param name="processor">
/// The processor delegate.
/// </param>
private void ApplyProcessor(Func<ImageFactory, Image> processor)
{
ImageInfo imageInfo = this.Image.GetImageInfo(this.ImageFormat);
if (imageInfo.IsAnimated)
{
OctreeQuantizer quantizer = new OctreeQuantizer(255, 8);
// We don't dispose of the memory stream as that is disposed when a new image is created and doing so
// beforehand will cause an exception.
MemoryStream stream = new MemoryStream();
using (GifEncoder encoder = new GifEncoder(stream, null, null, imageInfo.LoopCount))
{
foreach (GifFrame frame in imageInfo.GifFrames)
{
this.Image = frame.Image;
frame.Image = quantizer.Quantize(processor.Invoke(this));
encoder.AddFrame(frame);
}
}
stream.Position = 0;
this.Image = Image.FromStream(stream);
}
else
{
this.Image = processor.Invoke(this);
}
}
