public PSPFile()
{
this.fileHeader = null;
this.imageAttributes = null;
this.extData = null;
this.creator = null;
this.compImage = null;
this.globalPalette = null;
this.layerBlock = null;
this.v5Thumbnail = null;
}
private void CreateThumbnailBlock(Document input, Surface scratchSurface, ProgressEventHandler callback, ushort majorVersion)
{
Size thumbSize = GetThumbnailDimensions(input.Width, input.Height, 300);
this.v5Thumbnail = new ThumbnailBlock(thumbSize.Width, thumbSize.Height);
scratchSurface.Clear(ColorBgra.White);
using (RenderArgs args = new RenderArgs(scratchSurface))
{
input.Render(args, false);
using (Surface fit = new Surface(thumbSize))
{
fit.FitSurface(ResamplingAlgorithm.SuperSampling, args.Surface);
this.totalProgress += 3;
this.v5Thumbnail.channelBlocks = SplitImageChannels(args.Surface, args.Surface.Bounds, 3, majorVersion, true, callback);
}
}
}
