Re: GdkBitmap

[Sven Neumann <sven gimp org>]

Hi,

Richard Plana <rplana zicorp com> writes:

> Could someone explain the GdkBitmap structure? I need to create a
> shaped window which requires a bitmap of the transparent and visible
> (0 and 1) pixels of a window as a GdkBitmap, but the API reference
> guide doc has nothing on its format. The only bit of info I've found
> on the Internet is a reference to a function which returns a GdkBitmap
> object from an image (using the Imlib library and
> gdk_imlib_copy_mask() function). I actually have a function which
> plots the areas in the window which is transparent and which isn't.
> 
> Better yet, are there functions which allow one to create GdkBitmap
> objects and manipulate it (ie. turn pixels(x,y) on and off)?

A GdkBitmap is a GdkPixmap is a GdkDrawable. The API reference
mentions lots of ways to create and manipulate these.


Sven