On Fri, 19 May 2006 17:04:01 +0100 Simon Wistow <[EMAIL PROTECTED]> babbled:
> On Sat, May 20, 2006 at 12:36:23AM +0900, Carsten Haitzler said: > > i am going to have to make your day get worse.... > > > > "works for me" (tm). > > > > imlib2_view display the same results that gimp and imagemagick display for > > both tif files. when imlib2_convert runs it converts to just what i'd expect > > (converting to a png) but png does nuke the pixel values where the alpha > > value is 0 (so for new_ducked its all blank and for the weird_ducked only > > the colorwheel contains useful pixels). > > Well, that's better than having to delve around in tiffio.h :) > > You are, of course right. > > What was confusing me was that I have a image_context_set_alpha(0) so I > was assuming that it would be ignoring the alpha when I saved out as, > say, jpg. ooh no - jpeg cannot contain alpha. when u set alpha to 0 - imlib2 just "ignores" the alpha channel entirely so if there was pixel rgb values where before there was alpha - you get the pixels back :) if that's not what you want - you want to blend the image onto some pre-defined solid background (often image display apps use a grey checkerboard to indicate that those parts were transparent). then save the result :) -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] 裸好多 Tokyo, Japan (東京 日本) ------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ enlightenment-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
