Initial commit.
Signed-off-by: Andreas Widen <aw@luflow.net>
This commit is contained in:
commit
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author: Andreas
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published: 2026-06-10 10:41:00
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updated: 2026-06-10 10:41:00
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topics: flow-web, Static web site, generator, Rust
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title: flow-web: A program that will allow you to generate static website
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snippet: flow-web is a program written in Rust that will allow you to generate luflow.net static website.
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---
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This static website is generated with a program written in [Rust](https://rust-lang.org/)
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called [flow-web](https://luflow.net/git/hfsoulz/flow-web.git).
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`flow-web` is specifically written to generate this static website.
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### Installing Rust
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Install `Rust` from your package manager or by downloading from here:
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[https://rust-lang.org/](https://rust-lang.org/).
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### Getting the code
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Install `git` from your package manager or by downloading from here:
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[https://git-scm.com/install](https://git-scm.com/install). The [git repository](https://luflow.net/git/hfsoulz/flow-web.git)
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can also be browsed online.
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Clone the `git` repository:
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```sh
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git clone https://luflow.net/git/hfsoulz/flow-web.git
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```
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### Compiling the code
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cd into the cloned dir:
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```sh
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cd flow-web
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```
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Build using release mode:
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```sh
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cargo build --release
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```
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### Generating the site
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Generate the site using release mode:
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```sh
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cargo run --release
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```
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The generated output can be found in '**output**' folder.
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### Serve locally
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Run the following command to serve locally using **[servez](https://www.npmjs.com/package/servez)** as an example:
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```sh
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servez output
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```
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Then, visit the following url in a web browser:
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[http://localhost:8080/](http://localhost:8080)
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You can stop the server pressing CTRL+c.
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servez can be installed through [Node.js](https://nodejs.org/en) like so:
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```sh
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npm install -g servez
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```
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### License
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[flow-web](https://luflow.net/git/hfsoulz/flow-web.git) is licensed under the
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[GNU AGPL](https://gnu.org/licenses/agpl-3.0.html) license.
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author: Andreas
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published: 2026-06-10 11:31:00
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updated: 2026-06-10 11:31:00
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topics: flow-rbp, Rect bin packing, Rust
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title: flow-rbp: A library for packing rectangles into two-dimensional finite bins
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snippet: flow-rbp is a library for packing rectangles into two-dimensional finite bins using different heuristic methods for placement.
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---
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[flow-rbp](https://luflow.net/git/hfsoulz/flow-rbp.git) is a library for packing
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rectangles into two-dimensional finite bins using different heuristic methods
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for placement.
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The two-dimensional rectangle bin packing is a classical problem in
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combinatorial optimization. In this problem, one is given a sequence of
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rectangles `(R1, R2, ... Rn), Ri = (wi, hi)` and the task is to find a packing
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of these items into a minimum number of bins of size `(W, H)`. No two
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rectangles may intersect or be contained inside one another. This library uses
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an algorithm sometimes referred as `The Maximal Rectangles ALgorithm`. This
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algorithm stores a list of free rectangles that represents the free area of the
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bin.
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[flow-texpack](https://luflow.net/git/hfsoulz/flow-texpack.git) is a program that
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uses [flow-rbp](https://luflow.net/git/hfsoulz/flow-rbp.git) to generate texture
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atlas.
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### Installing Rust
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Install `Rust` from your package manager or by downloading from here:
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[https://rust-lang.org/](https://rust-lang.org/).
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### Getting the code
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Install `git` from your package manager or by downloading from here:
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[https://git-scm.com/install](https://git-scm.com/install). The [git
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repository](https://luflow.net/git/hfsoulz/flow-rbp.git) can also be browsed
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online.
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Clone the `git` repository:
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```sh
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git clone https://luflow.net/git/hfsoulz/flow-rbp.git
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```
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### Usage
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Add this to your `Cargo.toml`:
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```
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[dependencies]
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flow-rbp = { git = "https://luflow.net/git/hfsoulz/flow-rbp.git", tag = "v0.1.0" }
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```
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Then:
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```rust
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use flow_rbp::FreeRectHeuristic;
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use flow_rbp::RectsBinPack;
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// create a new bin of size 32x32 which allows rotation:
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let mut rbp = RectsBinPack::new(32, 32, true).unwrap();
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// make sure occupancy is zero:
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assert_eq!(rbp.get_occupancy(), 0.0);
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// add a few rects that should fit:
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assert_eq!(rbp.insert(16, 16, FreeRectHeuristic::BottomLeft).is_some(), true);
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assert_eq!(rbp.insert(16, 16, FreeRectHeuristic::BottomLeft).is_some(), true);
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assert_eq!(rbp.get_occupancy(), 0.5);
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assert_eq!(rbp.insert(16, 16, FreeRectHeuristic::BottomLeft).is_some(), true);
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assert_eq!(rbp.insert(16, 16, FreeRectHeuristic::BottomLeft).is_some(), true);
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assert_eq!(rbp.get_occupancy(), 1.0);
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// this rect will not fit and therefore returns None:
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assert_eq!(rbp.insert(1, 1, FreeRectHeuristic::BottomLeft).is_none(), true);
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```
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### License
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[flow-rbp](https://luflow.net/git/hfsoulz/flow-rbp.git) is licensed under the
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zlib license. This license allows you to use `flow-rbp` freely in any software.
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@ -0,0 +1,109 @@
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author: Andreas
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published: 2026-06-10 14:01:00
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updated: 2026-06-10 14:01:00
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topics: flow-texpack, Texture Atlas, Image Atlas, generator, Rust
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title: flow-texpack: A program that will allow you to generate texture atlas.
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snippet: flow-texpack is a program that will allow you to generate texture atlas from input images (BMP, HDR, JPG, PNG, TGA, TIFF, WEBP).
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---
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[flow-texpack](https://luflow.net/git/hfsoulz/flow-texpack.git) is a program that
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will allow you to generate texture atlas from input images (BMP, HDR, JPG, PNG,
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TGA, TIFF, WEBP). The application generates both texture atlas and descriptions
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file that can be read by a game.
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### Installing Rust
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Install `Rust` from your package manager or by downloading from here:
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[https://rust-lang.org/](https://rust-lang.org/).
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### Getting the code
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Install `git` from your package manager or by downloading from here:
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[https://git-scm.com/install](https://git-scm.com/install). The [git
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repository](https://luflow.net/git/hfsoulz/flow-texpack.git) can also be browsed
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online.
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Clone the `git` repository:
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```sh
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git clone https://luflow.net/git/hfsoulz/flow-texpack.git
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```
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### Compiling the code
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Build using release mode and install locally:
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```sh
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cargo install --locked --path .
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```
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The binary produced should be located here: `~/.cargo/bin/flow-texpack` (on
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GNU/Linux). Make sure `~/.cargo/bin` is in your `PATH`.
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### Usage
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Show available options:
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```sh
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flow-texpack -h
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```
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or
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```sh
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flow-texpack --help
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```
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### Examples
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Generate from input `data/characters` and `data/tiles`, write output to
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`out/atlas` and enable the options: `premultiply` pixels by their alpha
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channel, `trim` excess transparency off the textures, `remove duplicate
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textures` from the atlas, enable `rotation` of textures 90 degrees clockwise,
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`pad` each texture by 2 pixels and finally enable `verbose` output mode.
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```sh
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flow-texpack -i data/characters data/tiles -o out/atlas -m -t -u -r -p 2 -v
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```
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Enable `load filter` so that only `TGA` images are included in the texture atlas:
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```sh
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flow-texpack -i data/tiles -o out/atlas --load-filter tga -v
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```
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Enable rect heuristic `AreaFit`:
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```sh
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flow-texpack -i data/tiles -o out/atlas --rect-heuristic area-fit -v
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```
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Enable output `atlas size` of **2048x2048**:
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```sh
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flow-texpack -i data/tiles -o out/atlas --atlas-size pot2048 -v
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```
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Read input files/directories from `input.txt` but exclude all in `exclude.txt`:
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```sh
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flow-texpack --input-file input.txt --exlude-file exclude.txt -o out/atlas -v
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```
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`Adjust atlas size` automatically so that texture will fit:
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```sh
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flow-texpack -i data/characters -o out/atlas --adjust-size -v
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```
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`Adjust texture size` so that it will fit given atlas size:
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```sh
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flow-texpack -i data/characters -o out/atlas --adjust-fit -v
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```
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### License
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[flow-texpack](https://luflow.net/git/hfsoulz/flow-texpack.git) is licensed under the
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zlib license. This license allows you to use `flow-texpack` freely in any software.
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