Re: [PD] gem alpha channel q

2009-10-14 Thread rene beekman
that inverts the entire image, not just the alpha channel... On Oct 14, 2009, at 05:35, Jose Luis Santorcuato wrote: [pix_invert]...i think... Cheers Chile 2009/10/11 rene beekman r...@raakvlak.net how does one invert an alpha channel in gem ? i've created an alpha channel from the rgb

Re: [PD] gem alpha channel q

2009-10-13 Thread Jose Luis Santorcuato
[pix_invert]...i think... Cheers Chile 2009/10/11 rene beekman r...@raakvlak.net how does one invert an alpha channel in gem ? i've created an alpha channel from the rgb channels, but need the channel to be inverted. somehow i can't seem to find a way to do this... hope it is just sleep

Re: [PD] gem alpha channel q

2009-10-11 Thread Hans-Christoph Steiner
Maybe you can convert alpha to a color, then invert the colors, then convert back to alpha. .hc On Oct 11, 2009, at 6:42 PM, rene beekman wrote: how does one invert an alpha channel in gem ? i've created an alpha channel from the rgb channels, but need the channel to be inverted.