Kurt, A quick and dirty test of running... cd autotest/gdrivers /sw/bin/optipng data/test.png OptiPNG 0.6.3: Advanced PNG optimizer. Copyright (C) 2001-2009 Cosmin Truta.
** Processing: data/test.png 400x400 pixels, 8 bits/pixel, 16 colors (16 transparent) in palette Reducing image to 2 bits/pixel, 4 colors (1 transparent) in palette Input IDAT size = 8575 bytes Input file size = 8732 bytes Trying: zc = 9 zm = 8 zs = 0 f = 0 IDAT size = 6721 zc = 9 zm = 8 zs = 1 f = 0 IDAT size = 6428 Selecting parameters: zc = 9 zm = 8 zs = 1 f = 0 IDAT size = 6428 Output IDAT size = 6428 bytes (2147 bytes decrease) Output file size = 6522 bytes (2210 bytes = 25.31% decrease) eliminates the "IDAT: invalid distance too far back" failures as described in https://github.com/licq-im/licq/pull/32... % ./png.py TEST: png_1 ... success TEST: png_2 ... success TEST: png_3 ... fail line 66: Wrong colormap entries TEST: png_4 ... success TEST: png_5 ... success TEST: png_6 ... success TEST: png_7 ... success TEST: png_8 ... success TEST: png_9 ... success TEST: png_10 ... success TEST: png_11 ... success Test Script: png Succeeded: 10 Failed: 1 (0 blew exceptions) Skipped: 0 Expected fail:0 Duration: 0.09s I suspect we need to use finer control on the options passed to /sw/bin/optipng to avoid changing the colormap entries. In any case, I think this pretty much proves my hypothesis that these failures in png.py are false positives. Jack ------------------------------------------------------------------------------ November Webinars for C, C++, Fortran Developers Accelerate application performance with scalable programming models. Explore techniques for threading, error checking, porting, and tuning. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60136231&iu=/4140/ostg.clktrk _______________________________________________ Fink-devel mailing list Fink-devel@lists.sourceforge.net List archive: http://news.gmane.org/gmane.os.apple.fink.devel Subscription management: https://lists.sourceforge.net/lists/listinfo/fink-devel