[Bug 902024] Review Request: gdk-pixbuf-psd - GdkPixbuf loader for the PSD file format

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Product: Fedora
https://bugzilla.redhat.com/show_bug.cgi?id=902024

--- Comment #4 from Mamoru TASAKA <mtasaka@xxxxxxxxxxxxxxxxx> ---
(In reply to comment #3)
> The primary reason why I've searched a bit about this is that PSD is (or
> used to be?) a proprietary and undocumented file format. .. <snip>

Fedora already has PSD supporting software (e.g. gimp)


> 
> See also: http://www.coolutils.com/Formats/PSD
> 
> > If some file format is not recognized, I will report it upstream.
> 
> With only having skimmed over the linked specs from Adobe, it is doubtful
> that the 15K C source file supports everything mentioned in Adobe's specs,
> in particular the long(er) list of image resources.
> 
> > The loader supports:
> > - RGB and CYMK images
> 
> Spec mentions: Bitmap = 0; Grayscale = 1; Indexed = 2; RGB = 3; CMYK = 4;
> Multichannel = 7; Duotone = 8; Lab = 9.
Actually this package supports 4 of them
gimp supports 5 of them, not all

> > - RLE compression 
> Spec mentions: 0 = Raw Data, 1 = RLE compressed, 2 = ZIP without prediction,
> 3 = ZIP with prediction
gimp does not support 2 and 3, either

> 
> > - 8 and 16 bit color depths
> Spec mentions: 1, 8, 16 and 32.
gimp only support 1 and 8

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