On Thu 17 Jan 2002 13:38, Havoc Pennington wrote:
> Edscott Wilson García <[EMAIL PROTECTED]> writes:
> > After looking at a book by Barkakati, (X Window System Programming, 1991)
> > he says that bitmaps should be copied into pixmaps by XCopyPlane(), not
> > XCopyArea() (the latter being used by gdk_draw_pixmap()).
>
> That's right, but I thought you were copying between two bitmaps.
> CopyArea() should work OK for that AFAIK.

But isn't a bitmap nothing more than a pixmap of depth 1? If 
gdk_pixmap_new(window,pix_w,pix_h,1);
is not the correct way to create an empty bitmap with gtk, how should it be 
created?

edscott

>
> The bad match is caused by copying between two pixmaps with a
> different bit depth.
>
> Havoc
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