Hi, On Mon, 2007-07-09 at 18:42 +0200, Raphaël Quinet wrote: > Side note: as suggested by Sven in #gimp, I just had a look at> ImageMagick to try and find out how they retreive or guess the quality> settings from JPEG files. The code is about 100 lines long and can be> found in ImageMagick-6.3.5/coders/jpeg.c, around line 830. It is> based on a comparison of the difference produced by the quantization> tables in the file with the 100 possible tables produced by libjpeg.> If no exact match is found, then the closest one is selected. They> use pre-computed hashes and sums for the libjpeg tables in order to> speed up the comparisons. The license of ImageMagick is compatible> with the GPL so we could even consider re-using their code. We would> only have to include their license with the jpeg plug-in. If it can improve a common workflow, it's probably worth it. Please usethe code from ImageMagick then as it should be well tested already. Andplease place this code into a separate file in the plug-ins/jpeg folder. Sven _______________________________________________Gimp-developer mailing listGimp-developer@xxxxxxxxxxxxxxxxxxxxxxxxxxx://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer
