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GTK_IMAGE_TRANSP_BACKGROUND or GTK_IMAGE_TRANSP_COLOR, then both colors will be
equal.
=cut
## call as @check_colors = $view->get_check_colors
void
gtk_image_view_get_check_colors (view)
	GtkImageView *	view
	PREINIT:
		int	check_color1;
		int	check_color2;
	PPCODE:
		gtk_image_view_get_check_colors (view, &check_color1, &check_color2);
		XPUSHs(sv_2mortal(newSViv(check_color1)));
		XPUSHs(sv_2mortal(newSViv(check_color2)));


=for apidoc
Converts a rectangle in image space coordinates to widget space coordinates.
If the view is not realized, or if it contains no pixbuf, then the conversion
was unsuccessful, FALSE is returned and rect_out is left unmodified.