pgm converter

Convert and clop pgm image.

Build

[NOTE] You don't need to build. Executable files are available on github action's artifact.

1. install rustup
2. $ cargo build --release
3. find executable: ./target/release/build/pgm_converter

Usage

$ ./pgm_converter --help

to see help

pgm_converter 0.1.0

USAGE:
    pgm_converter [OPTIONS] --dst <dst> --mode <mode> --src <src>

FLAGS:
        --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
    -m, --mode <mode>        Output PGM Type (b: Binary, a: Ascii)
    -s, --src <src>          Source file path
    -d, --dst <dst>          Output file path
    -l, --left <left>        left corrdinate [default: 0]
    -t, --top <top>          top cordinate [default: 0]
    -w, --width <width>      width (Optional)
    -h, --height <height>    height (Optional)

Example

• Convert ./example.pgm into Ascii.

  $ ./pgm_converter -m a -s ./example.pgm -d ./example_cloped_ascii.pgm

• Convert ./example.pgm into Ascii and clop (3,3)-(9,9).

  $ ./pgm_converter -m a -s ./example.pgm -d ./example_cloped_ascii.pgm -l 3 -t 3 -w 6 -h 6

• Without specify -w, -l, they are assumed image size max.

  $ ./pgm_converter -m a -s ./example.pgm -d ./example_cloped_ascii.pgm -l 3 -t 3