Sean Barrett
d97c160e4a
tilemap editor 0.30
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Sean Barrett
2b5d5d9cf4
various updates
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Sean Barrett
c6c767f7aa
properties and links
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Sean Barrett
283bc54c90
update version number
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Sean Barrett
b46b49d935
colorpicker;
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new color scheme
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Sean Barrett
3ab22d3750
fix bug in paste to protected layer;
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add eraser tool
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Sean Barrett
655d24552a
tiny bit of documentation
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Sean Barrett
17647014b3
fix c++ compilation
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Sean Barrett
43fb9942de
Merge branch 'master' of https://github.com/nothings/stb
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Sean Barrett
8252a94f02
add stb_tilemap_editor.h
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nothings
891f6d7720
Removing bitpacking warning for srgb conversion
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nothings
941ace7f22
Delete stb_resample_ideas.txt
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Sean Barrett
b49d5180ca
version numbers
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Sean Barrett
c32d5c40d2
update version number & contributors
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Sean Barrett
69d4c6738b
Merge branch 'master' of http://github.com/rygorous/stb into working
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Sean Barrett
17e82a4080
Merge branch 'master' into working
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Fabian Giesen
f36b7116e2
Fix a few bugs with subpixel shifts, shift_y in particular.
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1. In the presence of nonzero shift_x / shift_y,
stbtt_GetGlyphBitmapBoxSubpixel would return a nonzero-sized bounding
box for empty glyphs (e.g. spaces). Since such glyphs don't have any
outlines, the rasterizer wouldn't do anything, resulting in a 1x1-pixel
image with uninitialized memory.
2. GetGlyphBitmapBoxSubpixel added shift_y then flipped the y axis,
whereas the rasterizer flipped the y axis then added shift_y.
Consistently flip-then-add in both places. This also makes the pattern
of floors/ceils in GetGlyphBitmapBoxSubpixel simpler.
3. The rasterizer added shift_y after multiplying by the vertical
oversampling factor, instead of before.
Vertical shifts now work much better, in my tests anyway.
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Sean Barrett
dea604b896
add stb_image_resize
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Sean Barrett
37faf29f69
Merge branch 'resample'
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Sean Barrett
7c0ae19a42
documentation, release data
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Sean Barrett
0fc13e997b
optimization attempts, no meaningful changes
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Sean Barrett
8024673461
switch srgb convert to second ryg method, which is a bit faster (8% total speedup on upsampling test);
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remove extra table in slowpath
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Jorge Rodriguez
a12d3dedf0
Some todo notes.
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Jorge Rodriguez
cbf5ebbd35
Install ryg's float -> uint8 sRGB conversion code, which is much faster.
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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.
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Jorge Rodriguez
7602c99e77
Quick formatting fix.
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Sean Barrett
dd28033b34
don't encode alpha channel twice when alpha is different colorspace from other channels
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Sean Barrett
bdbf1e0ef4
uint32 images need to round with uint32 cast, not int cast
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Sean Barrett
9f66b441bd
new quickstart docs;
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reformat docs;
new simple uint32 test
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Jorge Rodriguez
3c261481a6
Add a very quick guide.
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Jorge Rodriguez
f0ba7f5f7e
Get rid of old perf tests.
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Jorge Rodriguez
a0d4f79074
Merge pull request #7 from nothings/resample
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Resample
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Sean Barrett
385d7a417c
delete some unused functions;
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get rid of stbir__inline for some functions that don't need it
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Sean Barrett
f711fdcb0f
disable performance test in test code, back to regression test path
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Sean Barrett
8849501a3f
add documentation explaining why even a 64K table for srgb_to_uint8 would be inaccurate
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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
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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
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Sean Barrett
adbbe8dabd
move x loop inside switch in horizontal_downsample
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Sean Barrett
7a8c9196d1
unroll vertical_upsample inner loop, and reverse loop nesting to minimize work
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Sean Barrett
9c2ae9bdb8
cache filter-width derived computations that use floor/ceil because those were showing up like crazy on VC6 profile despite only being per-scanline-ish?!?
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unroll inner loop in horizontal_resample
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Sean Barrett
972456cb63
explicit performance tests variants
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Sean Barrett
c9600c012f
unroll channel loops in downsampler
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Sean Barrett
3ee97c221f
compile as C
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Sean Barrett
59898db411
tweak grammar
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Sean Barrett
a2f1cadde8
convert tabs to spaces so it's consistent with other stb libs
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Sean Barrett
60064f9803
add stb_image_resize.h to readme
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Sean Barrett
0fa5b5c66f
rename cubic to cubicbspline;
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tweak filter type documentation
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Sean Barrett
29b36b3dea
rename filters, document them
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Sean Barrett
da2aa8f6b7
checkboard test to verify srgb
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Sean Barrett
a9778b8dbd
tweak docs; fix compile error in UNUSED_PARAM stuff
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