public void Export(Document document, string fileName, Gtk.Window parent)
{
Cairo.ImageSurface surf = document.GetFlattenedImage();
Pixbuf pb = surf.ToPixbuf();
DoSave(pb, fileName, filetype, parent);
(pb as IDisposable).Dispose();
(surf as IDisposable).Dispose();
}
/// <summary>
/// Returns a thumbnail of an image.
/// If the format provides an efficient way to load a smaller version of
/// the image, it is suggested to use that method to load a thumbnail
/// no larger than the given width and height parameters. Otherwise, the
/// returned pixbuf will need to be rescaled by the calling code if it
/// exceeds the maximum size.
/// </summary>
/// <returns>
/// The thumbnail, or null if the image could not be loaded.
/// </returns>
/// <param name='maxWidth'>
/// The maximum width of the thumbnail.
/// </param>
/// <param name='maxHeight'>
/// The maximum height of the thumbnail.
/// </param>
/// <param name='parent'>
/// Window to be used as a parent for any dialogs that are shown.
/// </param>
public Pixbuf LoadThumbnail(string filename, int maxWidth, int maxHeight, Gtk.Window parent)
{
int width = -1, height = -1, stride = -1;
byte[] image_data = null;
if (!LoadImage(filename, ref image_data, ref width, ref height, ref stride, parent))
{
return(null);
}
using (var surf = new Cairo.ImageSurface(image_data, Cairo.Format.ARGB32, width, height, stride)) {
return(surf.ToPixbuf());
}
}
