After installing 10.4.1, I ran some of my Java applications (with Java
1.4.2) and got very strange graphical results. Some images appear with
red and blue component swapped, some display just fine. This problem has
already been reported (*) but it seems that no workaround was proposed.
After some checks on these images (**), I discovered that PNG with alpha
channel are correctly rendered whereas PNG without alpha channel are
rendered with red and blue swapped.
Then addition of an alpha channel to files lacking one fixed the problem
in all my applications.
Addition of such an alpha channel is simple to do in GIMP using the menu
"Layer>Transparency>Add alpha channel ...".
This workaround appears to work on 10.4.1 with Java 1.4.2 on my
computer. Could anyone validate or invalidate it on other OS/Java version ?
(**) all the images I use are using RGB encoding (neither palette nor
grayscale)
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