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149 Commits

Author SHA1 Message Date
Sean Barrett f547761c15 Fix assert() that should be STBI_ASSERT() 2014-12-14 18:14:14 -08:00
Sean Barrett f9e593c25c Merge branch 'optimize' of https://github.com/rygorous/stb into working 
Conflicts:
	stb_image.h

Also disable VC6 automatic precompiled headers which were enabled in some projects.
 2014-12-14 01:57:22 -08:00
Sean Barrett 8ac015c03f fix 1/2/4-bit png to filter bytes before decoding to pixels; 
rename pngsuite/part1 to pngsuite/primary;
check in pngsuite
 2014-12-14 01:43:23 -08:00
Sean Barrett 01d2c9d957 test program now verifies pngsuite tests against refererence versions 2014-12-14 00:01:50 -08:00
Sean Barrett 8679ce08b7 fix incorrect img_n variable for interlaced files, caused files to be totally incorrect if forcing channel count 2014-12-13 23:35:55 -08:00
Sean Barrett 26439254e8 fix use of stbrp_coord if no stb_rect_pack; 
fix a few assert()s that weren't STBTT_asserts();
fix missing cast for C++
fix typo in C++ test compilation that prevented it from trying to compile stb_truetype
 2014-12-10 00:27:11 -08:00
nothings 8ac41a413d fix typo 2014-12-08 11:42:47 -08:00
nothings 3a5caacaae Update README.md 2014-12-06 23:50:34 -08:00
nothings 49d5456de9 Update README.md 2014-12-06 23:49:29 -08:00
nothings 916800aae5 Update README.md 2014-12-06 23:48:10 -08:00
nothings cd5b5a5684 Update README.md 2014-12-06 23:46:40 -08:00
nothings b62bc08c34 Update README.md 2014-12-06 23:31:12 -08:00
nothings ae5bc8dfe9 Update README.md 2014-12-06 23:30:46 -08:00
nothings 9b1e1c50c0 Update README.md 2014-12-06 23:28:28 -08:00
nothings 7d0cec62c8 Update README.md 2014-12-06 23:28:04 -08:00
nothings 4b87ba76fe Update README.md 2014-12-06 23:22:14 -08:00
nothings 539dc3996b Update README.md 2014-12-06 23:21:11 -08:00
nothings 19b24bba1a Update README.md 2014-12-06 23:19:25 -08:00
nothings c6e1ec0cec Create README.md 2014-12-06 23:17:44 -08:00
Sean Barrett 22dbcffef7 stbtt_Pack* documentation 
oversample test tweaks
 2014-12-06 23:00:59 -08:00
Sean Barrett f03e352093 stb_rect_pack: fix LARGE_RECT bug 
stb_truetype: oversampling, including oversampling demo app
 2014-12-06 12:28:46 -08:00
Sean Barrett b6f8358f47 various fixes for compilation test 2014-12-02 03:00:08 -08:00
Sean Barrett d97c160e4a tilemap editor 0.30 2014-10-19 21:18:07 -07:00
Sean Barrett 17647014b3 fix c++ compilation 2014-09-23 17:56:03 -07:00
Sean Barrett 17e82a4080 Merge branch 'master' into working 2014-09-18 07:10:18 -07:00
Sean Barrett 37faf29f69 Merge branch 'resample' 2014-09-17 07:10:40 -07:00
Sean Barrett 0fc13e997b optimization attempts, no meaningful changes 2014-09-17 06:24:40 -07:00
Jorge Rodriguez cbf5ebbd35 Install ryg's float -> uint8 sRGB conversion code, which is much faster. 2014-09-16 10:36:19 -07:00
Jorge Rodriguez 600d80387e Make a guess at the value before doing the binary search, cuts the number of conditionals by half. Not as much gain as I hoped but something. 2014-09-15 14:01:11 -07:00
Sean Barrett dd28033b34 don't encode alpha channel twice when alpha is different colorspace from other channels 2014-09-15 07:23:22 -07:00
Sean Barrett 9f66b441bd new quickstart docs; 
reformat docs;
new simple uint32 test
 2014-09-14 14:55:23 -07:00
Jorge Rodriguez f0ba7f5f7e Get rid of old perf tests. 2014-09-13 13:42:50 -07:00
Sean Barrett 385d7a417c delete some unused functions; 
get rid of stbir__inline for some functions that don't need it
 2014-09-13 08:50:10 -07:00
Sean Barrett f711fdcb0f disable performance test in test code, back to regression test path 2014-09-13 08:22:15 -07:00
Sean Barrett 9a6af9a8d3 replace int(floor()) with int(), since that produces same results for non-negative values and is much faster on 32-bit x86 2014-09-13 08:12:37 -07:00
Sean Barrett 1dcca19ae0 because of we divide by /255 not /256, we lose numerical precision, so can't guarantee that box filter results round to same results as naive 2014-09-13 08:06:39 -07:00
Sean Barrett 972456cb63 explicit performance tests variants 2014-09-13 06:53:53 -07:00
Sean Barrett c9600c012f unroll channel loops in downsampler 2014-09-13 06:23:07 -07:00
Sean Barrett 0fa5b5c66f rename cubic to cubicbspline; 
tweak filter type documentation
 2014-09-13 05:52:19 -07:00
Sean Barrett 29b36b3dea rename filters, document them 2014-09-12 05:28:24 -07:00
Sean Barrett da2aa8f6b7 checkboard test to verify srgb 2014-09-12 05:04:38 -07:00
Sean Barrett a9778b8dbd tweak docs; fix compile error in UNUSED_PARAM stuff 2014-09-12 04:46:41 -07:00
Sean Barrett 7a4f1f4665 update with new tests for srgb conversion 2014-09-11 02:10:37 -07:00
Sean Barrett 16d68d14f8 fix stbir__linear_to_srgb_uchar: 
1. table stored threshhold of transition from i to i+1, but wants to be i-1 to i
    2. table was computed by dividing uchar by 256.0 instead of 255.0, causing it to be 100% wrong
 2014-09-11 02:05:53 -07:00
Sean Barrett 30c7a981ec compile as C; 
fix some unsigned/signed comparisons;
avoid round() since it's not in pre-C99 C;
remove MAX_CHANNELS since I never ended up needing it;
rename STBIR_EPSILON to STBIR_ALPHA_EPSILON;
don't use STBIR_ALPHA_EPSILON on float input (can't remove it properly due to numeric precision, and they can do it themselves);
optimize subtraction of STBIR_ALPHA_EPSILON;
sorry i forgot to commit these separately!;
 2014-09-11 01:47:50 -07:00
Sean Barrett 1208730e1e Merge branch 'resample' of http://github.com/bsvino/stb into resample 2014-09-11 01:15:09 -07:00
Jorge Rodriguez 953a637841 Use a carefully shaped trapezoid instead of a box filter to avoid jumps between pixel values. 2014-09-10 19:08:11 -07:00
Sean Barrett 671f04bd7e debugging truetype crash 2014-09-10 15:35:06 -07:00
Sean Barrett 4e580cf9ed fix compile 2014-09-10 15:11:35 -07:00
Jorge Rodriguez c9d67446d2 Reverse allocation routines parameter order so that the context is at the back. 2014-09-09 22:57:15 -07:00