![]() I'd suggest to use 4:4:4 (no chroma subsampling) if the imported jpgs have to be re-compressed. 4:2:2 or 4:2:0 are too destructive to be used for this purpose, and even opening and re-saving a file with the same quality setting but one of these subsampling settings result in visible artifacts. They fixed that reading the quality setting for the file, and applying the same quality parameter if the quality setting in the file was higher than the default setting in the program.Īpart from that, I'd like to ask about chroma subsampling in these jpeg. GIMP used to have a problem with JPGs several years ago (there was a default setting that was too destructive and just opening and saving over the same file destroyed its quality). It solves the problem, although I wonder what's the need of re-compressing the jpg file.ĭoes the 100% compression means that the svg will have an uncompressed image embedded? That means that the image will need more disk space after embedded but won't have better quality, so it doesn't seem to make much sense. Inkscape, as a program for artists and designers, should ensure image quality, therefore this bug should be marked as a high importance issue, although it doesn't makes the program crash or loose data. It results in quality loss, and that's something unacceptable for a desiger/artist. ![]() Sometimes the effect isn't evident when the artwork is zoomed or the image is small in the document, and the user could easily miss the detrimental effect of the recompression in the image quality until it's too late.įor someone like me, a graphic designer using inkscape for his job, this is as bad as the cairo downscaling bug or any crasher. It may not sound as a big deal, but this bug has something that makes it worse: It can easily go unnoticed and affects quality. I know this problem has been around for a while, but I think it's quite serious, maybe enough to consider it as a blocker for 0.49. It's quite evident and it's really difficult to miss it in this example. I'm attaching a screenshot showing the problem. The effect is even worse with saturated colors where the chroma subsampling effects are more visible. I wish Inkscape and Inkscape community for further success and expansion. I really prefer Inkscape, and use Inkscape in the University for education and research. Please contact me, if you need sample files. I might have no trouble if I prepare PNG files for Inkscape. It occured with TIF file with large image (1392x1040, 1.4 MB, 254x254dpi), but it didn't occur with This trouble doesn't occured with PNG files.īoth JPG and PNG files are generated from GIMP xcf fils. It seems as if several pixels are gethered into one pixel, in other words, When I copy and paste JPG file into Inkscape, the JPG image become very rough. ![]() It occur with JPG file but not with PNG file. I report trouble with pasting with JPG file.
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