How are you displaying the image? Is it antialiased?
-- Steve
On Jan 12, 2006, at 6:55 PM, Pontus Ekberg wrote:
I am writing an image viewer that uses PyGTK. The displayed images do
not look as good as expected though. When there should be soft
transitions between colors I get stripes instead, as if the number of
colors that can be displayed is limited to a relativly low number.
For an example look at these two images.
This is how it should look: http://home.student.uu.se/poek7897/
nice.png
This is how it is displayed: http://home.student.uu.se/poek7897/
ugly.png
I know there is nothing wrong with the pixbuf, for if I save it to a
file right before I do the gtk.Image.set_from_pixbuf() it will have
all
the colors intact.
I figured there might be something I should do with
gtk.gdk.colormap or
gtk.gdk.Visual, but I have tried everything I can think of with a few
seg faults as the only results.
I have also noticed that some other GTK image viewers have the exact
same problem, while some others have not. I know some C programs with
the problem and some without, but I have not found any in PyGTK that
have solved it. Looking at the code for these C programs have not
given
me any ideas though.
Any ideas on the cause of this?
Regards,
Pontus Ekberg
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