Re: problem with drawing 32bit image to 16bit screen (works with 32/24 bit screen)

[Patrick Sung <phsung ualberta ca>]

Havoc Pennington wrote:

> Patrick Sung <phsung ualberta ca> writes:
>
> > I have made a XImage dump to a file and compared both the output from the 32bit and 16bit
> > systems.  Well, it seems like the capture card library is not doing the things I want it to
> > do.  In the 16bit system, the bitmap seems to in 16 bpp while the 32bit system gives me a
> > 32bpp bitmap (I already called a function to change the output bitmap to 32bit regardless of
> > what depth the system has).
>
> If the lib is just giving you an image in native XImage format for the
> display, you can just draw the image with XPutImage().
>
> XPutImage (gdk_display,
>           GDK_WINDOW_XWINDOW (drawable),
>           xgc, ximage, .... etc.)
So what is the proper way to obtain 'gdk_display' and 'xgc' (function 
calls, macros?)

Regards,
Patrick