[PD] [GEM-dev] proper alpha channels in GEM?

Patrice Colet pat at mamalala.org
Mon Oct 22 18:24:12 CEST 2007

  I have another question that is a little bit OT,
inkscape only export bitmaps in png format, then I'd like to use 
imagemagicks for converting png to tiff, or even better svg to tiff,
but it's very tricky, for the moment none of the tries I've done gave 
something satisfaying, the tiff image result after conversion:
"imagemagicks myfile.png myfile.tiff" gives a totally gray result with 
pix_texture, in an image editor there doesn't seem to have an alpha 
channel, even with -channel RGBA option.
  Any hint would be very appreciated.
(I've made these tries with Gem-0.90 dll, the 0.91 crashes too often)

Patrice Colet a écrit :
> This test is successfull, thanks.
> Jack a écrit :
>> Hello,
>> I think that alpha channel only work with TIFF format in RVB 32 bit image.
>> Have a look on the patch.
>> Jack
>> Le 22 oct. 07 à 16:14, Patrice Colet a écrit :
>>> Hello, I've looked into pd-list archive and found this thread.
>>> Is it possible to load a picture with an alpha channel with pix_image?
>>> when I load such picture (both jpg and png) nothing happens (no console
>>> message), no image is loaded.
>>> My RGBA pictures are made with inkscape.

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