Re: Get & Set pixel from a pixmap.
- From: Oliver Singla <oliver-singla nc rr com>
- To: Eleni Ryan <eleni ryan caris com>
- Cc: gtk-list gnome org
- Subject: Re: Get & Set pixel from a pixmap.
- Date: Tue, 05 Mar 2002 17:33:22 -0500
Eleni Ryan wrote:
I want to get & then set a pixel value from a GdkPixmap, but can't seem to
find where to start. I see that pixels can be manipulated in a GdkImage
using gdk_image_get_pixel() & gdk_image_put_pixel(), however I need to
manipulate an off-screen pixmap rather than a copy of the window.
Does anybody have any idea how to do this or an example?
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Months ago I started a life game under the GTK, and I used a GdkPixmap
to hold the cells. I used gdk_draw_points() inside the pixmap.
Surprisly, I found this pretty fast. In case that would be useful,
here is the source:
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