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# brlines
simple bresenham line drawing algorithm demonstration implemented with golang,
this was my last week lesson in computer graphics class with Dr. Behzad Zamani
### how to compile
in order to compile and run this project you need to install [go compiler](https://go.dev/dl),
after that run `go build` in project directory to compile brline binary
```
# git clone https://git.snix.ir/brlines
# cd brlines && go build
# ./brlines
```
### how to use
use `./brlines --help` to print help banner, you need to provide 2 points as start and end of the line
each point has x and y coordinate, so for starting point you should use -xa and -ya flags and for ending point -xb and -yb
```
# ./brlines --help
usage of bresenham line simulator:
./brlines options...
options:
--pt <file> named png file to save bresenham output
default path for this file is br_resualt.png
--xa <uint> x coordinate of starting point
--xb <uint> x coordinate of ending point
--ya <uint> y coordinate of starting point
--yb <uint> y coordinate of ending point
example:
./brlines --pt mytest.png --xa 8 --ya 3 --xb 2 --yb 10
Copyright (c) 2022 snix.ir, All rights reserved.
Developed BY <Sina Ghaderi> sina@snix.ir
This work is licensed under the terms of GNU General Public license.
Github: github.com/sina-ghaderi and Source: git.snix.ir
```
### testing results
these images has been produced by brlines, output is a png file in 530*530 pixel
![](br_resualt_a.png) ![](br_resualt_b.png) ![](br_resualt_c.png) ![](br_resualt_d.png)
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