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stb
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83 Commits (218ecd17a407e353124af4e29282049df22ea896)

Author SHA1 Message Date
Jorge Rodriguez 969ff7c850 Make sure calculate_memory matches with the allocations. Fix some errant asserts. 2014-09-09 20:51:29 -07:00
Jorge Rodriguez 8355ea1184 Use height, not width, for correct progress report. 2014-09-09 18:41:28 -07:00
Jorge Rodriguez 4b69c0637e If alpha is zero then sneakily replace it with a very small nonzero so that the color data is preserved. 
Pre-process n1 so that we don't have to do it later on. Can't do n0 since it's used to find the coefficient index.
 2014-09-09 18:38:05 -07:00
Jorge Rodriguez d510d70b6a Report downsample progress by when we empty the ring buffer, it's more accurate that way. 2014-09-09 16:35:00 -07:00
Jorge Rodriguez 497eab8339 Normalize downsample coefficients. 2014-09-09 15:22:29 -07:00
Jorge Rodriguez 43fbc1d5e3 Rearrange the algebra on two of the filters to avoid repeating decimals which cause precision loss. Use int32 to test filters because it's more accurate. 2014-09-09 14:10:14 -07:00
Jorge Rodriguez ca241daefa Use rounding to try to preserve the original value. Fix test case. 2014-09-09 12:16:23 -07:00
Jorge Rodriguez 145690788c Use input_h + pixel_margin * 2 to prevent progress report from ever going above 1. Always report a 0 before and a 1 at the end of each resize. 2014-09-09 10:58:01 -07:00
Jorge Rodriguez e6c47ec657 Fix kernel lookup for downsampling. 2014-09-07 12:57:53 -07:00
Sean Barrett 7da729bfce restore correct definition of box 2014-09-07 04:07:07 -07:00
Sean Barrett 08ca345839 Merge branch 'resample2' into resample 2014-09-07 03:36:16 -07:00
Sean Barrett cd1fbacbb6 rename NEAREST to BOX 
write test for BOX
 2014-09-07 03:19:18 -07:00
Jorge Rodriguez 38ce5494bc Clarify some comments. Make stbir__resize_arbitrary an internal function. Update test cases to use actual API functions. 2014-09-06 20:17:19 -07:00
Sean Barrett 41555b5d53 update test cases to work on things other than barbara.png 2014-09-06 14:58:32 -07:00
Jorge Rodriguez fb059fcece Progress report. 2014-09-06 10:57:21 -07:00
Jorge Rodriguez 75bdd2da83 Fix malloc context and whitespace. 2014-09-06 08:48:46 -07:00
Sean Barrett 952c26e626 inline stbir__encode_pixel into stbir__encode_scanline 2014-09-01 19:29:28 -07:00
Sean Barrett aee30095c7 refactor internal interfaces to avoid passing things multiple times; 
finish prepping 'stbir__info' even before calculate_memory;
get rid of 'noinfo' functions since now calculate_memory doesn't need 'em;
add new binary-searched sRGB function (untested)
 2014-09-01 16:52:04 -07:00
Sean Barrett 24c540e1b0 rename alpha gamma flag 2014-08-31 10:00:54 -07:00
Sean Barrett 07c35180f7 tweak new API 2014-08-31 09:45:29 -07:00
Sean Barrett 84520de6c4 finish STBI_EDGE_ZERO, untested 2014-08-31 09:32:17 -07:00
Sean Barrett 9a1d34843e STBIR_EDGE_ZERO 2014-08-31 09:10:49 -07:00
Sean Barrett 732fec68ee tweak new API, get it partly working 2014-08-31 08:55:41 -07:00
Sean Barrett 664d8961f5 new API partially in-use 2014-08-31 08:34:05 -07:00
Sean Barrett bbd4e2ee9a new API "finished" but untested 2014-08-31 07:32:10 -07:00
Sean Barrett 034674c142 Merge branch 'resample2' into resample 
Conflicts:
	stb_image_resize.h
 2014-08-31 07:23:22 -07:00
Sean Barrett 1bd9770e75 separate filter for horizontal and vertical 2014-08-31 06:47:45 -07:00
Sean Barrett c1b876768e in progress new API 2014-08-31 06:31:50 -07:00
Sean Barrett 5dfa79fb31 stride doesn't have to be multiples of pixels 2014-08-18 10:18:59 -07:00
Sean Barrett 32b626859d remove most per-pixel switches, beginnings of removing encode_pixel switch 2014-08-18 10:02:00 -07:00
Sean Barrett 5eb0236d9d reverse default behavior of linear/gamma for alpha 2014-08-18 09:33:01 -07:00
Sean Barrett b9bb05b81c minor cleanups 2014-08-18 09:14:11 -07:00
Sean Barrett 6ef563d089 rename to stb_image_resize.h 2014-08-18 09:12:59 -07:00