stb/tools/README.footer.md

FAQ
---

#### What's the license?

These libraries are in the public domain (or the equivalent where that is not
possible). You can do anything you want with them. You have no legal obligation
to do anything else, although I appreciate attribution.

#### <a name="other_libs"></a> Are there other single-file public-domain/open source libraries with minimal dependencies out there?

Yes. I'll even tell you about some. However, I haven't used most of these libraries
and can't comment on their quality. (If you use them and aren't their author, feel
free to tell me about their quality.) _Newest additions are in italics._

- **images** [jo_gif.cpp](http://www.jonolick.com/home/gif-writer): animated GIF writer (public domain)
- **images** [gif.h](https://github.com/ginsweater/gif-h): animated GIF writer (public domain)
- **images** [tiny_jpeg.h](https://github.com/serge-rgb/TinyJPEG/blob/master/tiny_jpeg.h): JPEG encoder (public domain)
- **images** [miniexr](https://github.com/aras-p/miniexr): OpenEXR writer (public domain)
- **geometry** [nv_voronoi.h](http://www.icculus.org/~mordred/nvlib/): find voronoi regions on lattice w/ integer inputs (public domain)
- **network** [zed_net](https://github.com/ZedZull/zed_net): cross-platform socket wrapper (public domain)
- **misc** [DG_misc.h](https://github.com/DanielGibson/Snippets/): Daniel Gibson's stb.h-esque cross-platform helpers: path/file, strings (public domain)
- **misc** [MakeID.h](http://www.humus.name/3D/MakeID.h): allocate/deallocate small integer IDs efficiently (public domain)
- _**misc** [gb_string.h](https://github.com/gingerBill/gb): dynamic strings for C_

Not public domain:

- **images** [tinyexr](https://github.com/syoyo/tinyexr): EXR image read/write (BSD license)  *uses miniz internally*
- **images** [lodepng](http://lodev.org/lodepng/): PNG encoder/decoder (zlib license)
- **images** [nanoSVG](https://github.com/memononen/nanosvg): 1-file SVG parser; 1-file SVG rasterizer (zlib license)
- **3D** [tinyobjloader](https://github.com/syoyo/tinyobjloader): wavefront OBJ file loader (BSD license)
- _**2D** [blendish](https://bitbucket.org/duangle/oui-blendish/src): blender-style widget rendering (MIT license)_
- **geometry** [sdf.h](https://github.com/memononen/SDF): compute signed-distance field from antialiased image (MIT license)
- **geometry** [nanoflann](https://github.com/jlblancoc/nanoflann): build KD trees for point clouds (BSD license)
- _**geometry** [jc_voronoi](https://github.com/JCash/voronoi): find voronoi regions on float/double data (MIT license)_
- _**audio** [aw_ima.h](https://github.com/afterwise/aw-ima/blob/master/aw-ima.h): IMA-ADPCM audio decoder (MIT license)_
- **parsing** [SLRE](https://github.com/cesanta/slre): regular expression matcher (GPL v2)
- _**parsing** [PicoJSON](https://github.com/kazuho/picojson): JSON parse/serializer for C++ (BSD license)_
- **tests** [utest](https://github.com/evolutional/utest): unit testing (MIT license)
- **tests** [catch](https://github.com/philsquared/Catch): unit testing (Boost license)
- _**tests** [SPUT](http://www.lingua-systems.com/unit-testing/): unit testing (BSD license)_

There are some that have a source file and require a separate header file (which they may
not even supply). That's twice as many files, and we at nothings/stb cannot condone
this! But you might like them anyway:

- **images** [picopng.cpp](http://lodev.org/lodepng/picopng.cpp): tiny PNG loader (zlib license)
- **images** [jpeg-compressor](https://github.com/richgel999/jpeg-compressor): 2-file jpeg compress, 2-file jpeg decompress (public domain)
- _**3D** [mikktspace](https://svn.blender.org/svnroot/bf-blender/trunk/blender/intern/mikktspace/): compute tangent space for normal mapping (zlib)_
- **2D** [tigr](https://bitbucket.org/rmitton/tigr/src): quick-n-dirty window text/graphics for Windows (public domain)
- _**2D** [noc_turtle](https://github.com/guillaumechereau/noc): procedural graphics generator (public domain)_
- _**geometry** [Tomas Akenine-Moller snippets](http://fileadmin.cs.lth.se/cs/Personal/Tomas_Akenine-Moller/code/): various 3D intersection calculations, not lib-ified (public domain)_
- **geometry** [Clipper](http://www.angusj.com/delphi/clipper.php): line & polygon clipping & offsetting (Boost license)
- **network** [yocto](https://github.com/tom-seddon/yhs): non-production-use http server (public domain)
- **network** [happyhttp](http://scumways.com/happyhttp/happyhttp.html): http client requests (zlib license)
- _**network** [mongoose](https://github.com/cesanta/mongoose): http server (GPL v2)_
- _**AI** [micropather](http://www.grinninglizard.com/MicroPather/): pathfinding with A* (zlib license)_
- **compression** [miniz.c](https://github.com/richgel999/miniz): zlib compression,decompression, zip file, png writing (public domain)
- **compression** [lz4](https://github.com/Cyan4973/lz4): fast but larger LZ compression (BSD license)
- **compression** [fastlz](https://code.google.com/p/fastlz/source/browse/#svn%2Ftrunk): fast but larger LZ compression (MIT license)
- _**compression** [pithy](https://github.com/johnezang/pithy): fast but larger LZ compression (BSD license)_
- **profiling** [Remotery](https://github.com/Celtoys/Remotery): CPU/GPU profiler Win/Mac/Linux, using web browser for viewer (Apache 2.0 license)
- **profiling** [MicroProfile](https://bitbucket.org/jonasmeyer/microprofile): CPU (and GPU?) profiler, 1-3 header files (unlicense) *uses miniz internally*
- **parsing** [json.h](https://github.com/sheredom/json.h): JSON parser (public domain)
- **parsing** [Zange](https://github.com/vurtun/zange/blob/master/json.c): another JSON parser (MIT license)
- _**parsing** [dfa](http://bjoern.hoehrmann.de/utf-8/decoder/dfa/): fast utf8 decoder (MIT license)_
- _**misc** [utf8](https://github.com/sheredom/utf8.h): utf8 string library (zlib license)_
- _**misc** [klib](http://attractivechaos.github.io/klib/) many 2-file libs: hash, sort, b-tree, etc (MIT license)_
- **misc** [whereami](https://github.com/gpakosz/whereami): get path/filename of executable or module (WTFPL v2 license)
- **misc** [dbgtools](https://github.com/wc-duck/dbgtools): cross-platform debug util libraries (zlib license)_
- **tests** [pempek_assert.cpp](https://github.com/gpakosz/Assert/tree/master/src): flexible assertions in C++ (WTFPL v2 license)

There is also these XML libraries, but if you're using XML, shame on you:

- **parsing** [tinyxml2](https://github.com/leethomason/tinyxml2): XML (zlib license)
- **parsing** [pugixml](http://pugixml.org/): XML (MIT license)

There are some libraries that are just _so_ awesome that even though they use more
than two files we're going to give them special dispensation to appear in their own
little list here. If you're a crazy purist, be warned, but otherwise, enjoy!

- _**user interface** [ImGui](https://github.com/ocornut/imgui) an immediate-mode GUI ("imgui") named "ImGui" (MIT license)_

*List FAQ*

###### Can I link directly to this list?

You can use [this URL](https://github.com/nothings/stb#other_libs) to link directly to this list.

###### Why isn't library XXX which is made of 3 or more files on this list?

I draw the line arbitrarily at 2 files at most. (Note that some libraries that appear to
be two files require a separate LICENSE file, which made me leave them out). Some of these
libraries are still easy to drop into your project and build, so you might still be ok with them.
But since people come to stb for single-file public domain libraries, I feel that starts
to get too far from what we do here.

###### Why isn't library XXX which is at most two files and has minimal other dependencies on this list?

Probably because I don't know about it, feel free to submit an issue, email, or tweet it at
me (it can be your own library or somebody else's). But I might not include it for various
other reasons, including subtleties of what is 'minimal other dependencies' and subtleties
about what is 'lightweight'.

###### Why isn't SQLite's amalgamated build on this list?

Come on.

#### If I wrap an stb library in a new library, does the new library have to be public domain?

No.

#### Some of these libraries seem redundant to existing open source libraries. Are they better somehow?

Generally they're only better in that they're easier to integrate,
easier to use, and easier to release (single file; good API; no
attribution requirement). They may be less featureful, slower,
and/or use more memory. If you're already using an equivalent
library, there's probably no good reason to switch.

###### Can I link directly to the table of stb libraries?

You can use [this URL](https://github.com/nothings/stb#stb_libs) to link directly to that list.

#### Why do you list "lines of code"? It's a terrible metric.

Just to give you some idea of the internal complexity of the library,
to help you manage your expectations, or to let you know what you're
getting into. While not all the libraries are written in the same
style, they're certainly similar styles, and so comparisons between
the libraries are probably still meaningful.

Note though that the lines do include both the implementation, the
part that corresponds to a header file, and the documentation.

#### Why single-file headers?

Windows doesn't have standard directories where libraries
live. That makes deploying libraries in Windows a lot more
painful than open source developers on Unix-derivates generally
realize. (It also makes library dependencies a lot worse in Windows.)

There's also a common problem in Windows where a library was built
against a different version of the runtime library, which causes
link conflicts and confusion. Shipping the libs as headers means
you normally just compile them straight into your project without
making libraries, thus sidestepping that problem.

Making them a single file makes it very easy to just
drop them into a project that needs them. (Of course you can
still put them in a proper shared library tree if you want.)

Why not two files, one a header and one an implementation?
The difference between 10 files and 9 files is not a big deal,
but the difference between 2 files and 1 file is a big deal.
You don't need to zip or tar the files up, you don't have to
remember to attach *two* files, etc.

#### Why "stb"? Is this something to do with Set-Top Boxes?

No, they are just the initials for my name, Sean T. Barrett.
This was not chosen out of egomania, but as a moderately sane
way of namespacing the filenames and source function names.

#### Will you add more image types to stb_image.c?

If people submit them, I generally add them, but the goal of stb_image
is less for applications like image viewer apps (which need to support
every type of image under the sun) and more for things like games which
can choose what images to use, so I may decline to add them if they're
too rare or if the size of implementation vs. apparent benefit is too low.

#### Do you have any advice on how to create my own single-file library?

Yes. https://github.com/nothings/stb/blob/master/docs/stb_howto.txt

#### Why public domain?

I prefer it over GPL, LGPL, BSD, zlib, etc. for many reasons.
Some of them are listed here:
https://github.com/nothings/stb/blob/master/docs/why_public_domain.md

#### Why C?

Primarily, because I use C, not C++. But it does also make it easier
for other people to use them from other languages.

#### Why not C99? stdint.h, declare-anywhere, etc.

I still use MSVC 6 (1998) as my IDE because it has better human factors
for me than later versions of MSVC.