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* Don't allow a bit depth of 1.Tavian Barnes2014-05-171-1/+1
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* Add an option to generate an animation.Tavian Barnes2014-05-173-6/+64
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* Refactor main.c to take configuration on the command line instead of #defines.Tavian Barnes2014-05-162-140/+358
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* Document the star pattern better.Tavian Barnes2014-05-111-1/+4
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* Make kdf entirely internal to generate_image.Tavian Barnes2014-05-111-20/+21
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* Refactor main.c.Tavian Barnes2014-05-111-88/+128
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* Allow all possible bit-depths, not just multiples of three.Tavian Barnes2014-05-101-9/+12
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* Use only integer math for hue comparisons.Tavian Barnes2014-03-201-18/+18
| | | | | This is more than 10x faster than how it started, and over 5x faster than the previous commit.
* Fix corner case in color_comparator() and clarify a comment.Tavian Barnes2014-03-201-4/+4
| | | | | | | If anum == 0 and bdenom == 0, we should check anum*sgn(adenom) < bnum*sgn(bdenom), not anum*adenom < bnum*bdenom.
* Use link-time optimization.Tavian Barnes2014-03-201-1/+1
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* Make hue sorting 3x faster by avoiding atan2() calls.Tavian Barnes2014-03-201-16/+51
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* Put -lm -lpng at the end of the command line.Tavian Barnes2014-03-131-3/+6
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* Be more const friendly.Tavian Barnes2014-03-122-5/+5
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* Try to be more even in which neighbor to choose.Tavian Barnes2014-03-121-18/+23
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* Look for strictly better matches in the k-d tree code.Tavian Barnes2014-03-111-2/+2
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* Refactor hue comparator into color.c.Tavian Barnes2014-03-113-28/+27
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* Get rid of some unreachable abort()s.Tavian Barnes2014-03-111-6/+0
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* Allow different color spaces to be used for similarity measurement.Tavian Barnes2014-03-116-64/+216
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* Use a better method of getting rid of HUE_SORT artifacts.Tavian Barnes2014-03-111-9/+6
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* Initial commit.Tavian Barnes2014-03-118-0/+734