private static ProcessImageResult processImage(PipelineContext ctx, Stream ostm) { var frame = (WicImageFrame)ctx.ImageContainer.GetFrame(ctx.Settings.FrameIndex); ctx.AddFrameDisposer(); ctx.ImageFrame = frame; ctx.Source = frame.Source; MagicTransforms.AddGifFrameBuffer(ctx); ctx.FinalizeSettings(); WicTransforms.AddColorProfileReader(ctx); WicTransforms.AddNativeScaler(ctx); WicTransforms.AddExifFlipRotator(ctx); WicTransforms.AddCropper(ctx); WicTransforms.AddPixelFormatConverter(ctx); WicTransforms.AddHybridScaler(ctx); WicTransforms.AddScaler(ctx); WicTransforms.AddColorspaceConverter(ctx); MagicTransforms.AddMatte(ctx); MagicTransforms.AddPad(ctx); WicTransforms.AddIndexedColorConverter(ctx); using var enc = new WicImageEncoder(ctx.Settings.SaveFormat, ostm); using var frm = new WicImageEncoderFrame(ctx, enc); frm.WriteSource(ctx); enc.Commit(); return(new ProcessImageResult(ctx.UsedSettings, ctx.Stats)); }