Legacy ImageMagick Discussions Archive

Hello everyone

( Please see this thread: http://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=22374 )

An example image can be obtained here: http://www.speedyshare.com/gPzgE/image.rgba
Click on the large text "Download image.rgba".

I'm using ImageMagick 6.8.0-7 2012-11-30 Q16 on Ubuntu ...

I also got ImageMagick 6.8.0-7 2012-11-30 Q16, on Ubuntu Linux. This is the output of 'identify -verbose' on the image for me:

(Maybe it would be an idea to post the information for the generated image as well?)

Image: image.rgba
Format: SGI (Irix RGB image)
Class: PseudoClass
Geometry ...

Hello fmw42 and thanks for your advice. Unfortunately it didn't work, transparency was seemingly not preserved in the generated image.

I suppose it would be best if I uploaded an image for people to test with. An image can be downloaded from here: http://speedy.sh/gPzgE/image.rgba Click on the ...

Hello everyone

I have a number of .rgb and .rgba files which I would like to modify, specifically change brightness and contrast. This is what identify tells me about the images (same info for rgb and rgba):
identify image.rgba
image.rgba SGI 64x32 64x32+0+0 8-bit sRGB 256c 4.61KB 0.000u 0:00.000 ...