On Tue, 2013-12-10 at 21:22 +0100, tomw wrote:
> Hi,
> 
> trying to use the Cogl.read_pixels to get a copy of the framebuffer 
> like:
> 
> uint8 *data;
> data = GLib.malloc (width * height * 4);
> Cogl.read_pixels (0,
>                   0,
>                   width,                                     
>                   height,                                    
>                   Cogl.ReadPixelsFlags.BUFFER,               
>                   Cogl.PixelFormat.ARGB_8888,                
>                   (uchar) data);
> 
> I was runing into permanent segfaults due to out of bounds errors.
> Looking into the vapi I realized, that the read_pixels method is stated
> like this:
> 
> public static void read_pixels (int x, int y, int width, int height,
> Cogl.ReadPixelsFlags source, Cogl.PixelFormat format, uchar pixels);
> 
> according to the C [1] documentation it should be rather:
> 
> public static void read_pixels (int x, int y, int width, int height,
> Cogl.ReadPixelsFlags source, Cogl.PixelFormat format, uchar *pixels);
> 
> Is this a bug or am I missing something?

It's a bug, and I just pushed a fix.  Thanks for reporting it, but in
the future please submit bug reports to
https://bugzilla.gnome.org/browse.cgi?product=vala


-Evan

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