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An open source implementation of a texture bin packing algorithm. It's similar to texture tools like the TexturePacker.
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paladin-t/framepacker
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framepacker is a freeware which implements a texture bin packing algorithm. It's similar to texture tools like the TexturePacker. You are free to use, copy, modify or distribute it under the MIT license.
It implements a bin packer algorithm refer to theBinary Tree Bin Packing Algorithm.
A C++ 11 compiler is required to compile the source code. Theframepacker::packer template class inframepacker.hpp is the algorithm implementation. And it offers a specialization inframepacker.cpp using stb image.
It works as a command line tool:
- framepacker FILE_LIST [-o output_file] [OPTIONS] - Packs some images
- FILE_LIST
- := file * : Eg. file1.png file2.png
- OPTIONS
- := -p N : Padding, default to 1
- := -s MxN : Expected texture size, eg. 256x512, may enlarge result
- := -t : Disable rotation
- := -w : Disable forcing texture to POT (Power of 2)
- := -m : Disable alpha trim
Eg. "framepacker foo.png bar.png -o out", it generates a packedout.png image and anotherout.json meta data which includes packing information to look up slices from the image.
framepacker is fast, it packs 200 textures in less than 0.15s on common desktop machines at 2015.