Re: Pixel color



Le Tue, 29 May 2007 11:01:29 +0200,
"Ole Laursen" <olau hardworking dk> a écrit :

> I have a set of helpers here:
> 
>   http://people.iola.dk/olau/misc/pixbuf-drawing.hpp
> 
> You instantiate a PixelPosition with get_position(pixbuf, x, y). The
> pixel position can be moved around efficiently, and you can get to the
> pixel underneath with PixelPosition::pixel(), e.g.
> 
>   Pixel p = get_position(pixbuf, x, y).pixel();
>   p.red() = 0xFF;
>   p.green() = 0xAF;
>   p.blue() = 0xAF;
>   p.alpha() = 0x50;
> 
> There's also PixelIterator for iterating through all pixels of a
> pixbuf.
> 

Thanks, works great.

Francis



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