12 Commits

Author	SHA1	Message	Date
jst	3e06045c3f	Speed up computation: Try to avoid Image.At() as much as possible -> specialized color access for some image types	2012-09-21 20:02:25 +02:00
jst	e548f52385	Blur input image during downscaling by scaling the filter kernel to prevent moires in the output image	2012-09-19 21:03:56 +02:00
jst	d0b2b9bc39	Added MitchellNetravali, changed Lanczos a bit	2012-09-19 19:32:00 +02:00
jst	c980eecff5	Small simplification	2012-09-16 09:20:11 +02:00
jst	e96bbe5547	Unify filters and their dependencies	2012-09-15 20:24:14 +02:00
jst	3fc31c95cc	Kernel simplified	2012-09-15 19:30:32 +02:00
jst	eaf9383af0	filters.go simplified	2012-09-14 23:12:05 +02:00
jst	524fd851ea	Casting float to int has the same properties as math.Floor	2012-09-04 22:51:19 +02:00
jst	d93161631c	Use Kernel normalization for more accurate Lanczos resampling. Lanczos2 filter added	2012-09-04 18:49:04 +02:00
jst	339b8fd43a	Speed up calculation by avoiding dynamic casting	2012-09-01 00:21:10 +02:00
jst	14d51db8b4	Changed function signature to include error handling. Filters simplified.	2012-08-08 21:32:51 +02:00
nfnt	428642c9f1	initial commit	2012-08-02 21:59:40 +02:00