public DataImageSurface ToDataImageSurface()
{
PixelFormat pixelformat_src;
SlideImage slide = new SlideImage ();
slide.CopyProperties (this);
slide.pixels = (byte[]) this.Pixels.Clone();
slide.ProcessEffects ();
pixelformat_src = slide.pixel_format; // Pixel format of current buffer
slide.pixel_format = PixelFormat.CAIRO_ARGB; // New target format
slide.LoadFromPixelData (slide.pixels, pixelformat_src,
width, height, width * slide.channels, slide.channels);
return new DataImageSurface (DataImageSurface.Allocate (slide.Pixels),
Cairo.Format.ARGB32, slide.width, slide.height, slide.stride);
}
public DataImageSurface GetThumbnail(int width, int height, bool copy_title)
{
PixelFormat pixelformat_src;
SlideImage slide = new SlideImage ();
slide.CopyProperties (this);
if(copy_title)
slide.Title = Title;
slide.LoadAndScaleImage (width, height);
slide.ProcessEffects ();
slide.ProcessImage ();
pixelformat_src = slide.pixel_format; // Pixel format of current buffer
slide.pixel_format = PixelFormat.CAIRO_ARGB; // New target format
slide.LoadFromPixelData (slide.pixels, pixelformat_src,
width, height, width * slide.channels, slide.channels);
return new DataImageSurface (DataImageSurface.Allocate (slide.Pixels),
Cairo.Format.ARGB32, slide.width, slide.height, slide.stride);
}
