ansir
Convert PNGs to colorful terminal ANSI art
Last updated 5 years ago by themadcreator .
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ANSIR

Build Status

Generate UTF-8 Art from PNG using ANSI color codes.

Similar to oldschool ANSI art, we use UTF-8 block characters and standard terminal color escape sequences.

Supports both the basic and extended ANSI color escape sequences. Note: Full 24-bit RGB escape sequences currently not supported.

Installation

npm install -g ansir

Generate artwork

ansir sample/in.png

Proportionally rescale the png file on the fly

ansir --scale 0.1 sample/in.png > sample/out.ans

Sample

Input

input

Output (10% scale)

output

Renderers

Ansir supports 3 modes of rendering, shown in the following table:

Block Shaded Sub
block shaded sub

Usage

  Usage: ansir <png>

  Generate UTF-8 Art from PNG using ANSI color codes.

  Options:

    -h, --help                 output usage information
    -s, --scale <float>        Proportionally rescale image
    -w, --width <integer>      Target output width (in characters)
    -h, --height <integer>     Target output height (in lines)
    --colors <basic|extended>
          The ANSI colorspace. Use "basic" for the most compatible 8-color
        palette. The default is "extended" for the 256-color palette supported by
        most major terminals that have any color at all.
    --background <light|dark>
          Applies only to "shaded" mode. Specifies whether the target terminal
        will have a light or dark background. This determines color matching for
        shaded UTF-8 block characters. Default is "dark", which means we interpret
        a shaded block character as darker than a solid one.
    --alpha-cutoff <float>
          The minimum alpha value of a pixel that should be converted to a ansi
        color utf-8 block character. Valid values are 0.0-1.0. Default is
        0.95.
    --mode <block|shaded|sub>
          The rendering mode. Default is "block". The options are:

        "block" - Use the ANSI background escape sequence to create seamless blocks.

        "shaded" - Use the ANSI foreground escape sequence on unicode block character.
          ░ LIGHT SHADE
          ▒ MEDIUM SHADE
          ▓ DARK SHADE
          █ FULL BLOCK

        "sub" - Use the ANSI foreground escape sequence on unicode quadrant block
                characters. NOTE: These characters can cause slowness when used
                with some common terminal fonts such as Consolas.
          ▘ QUADRANT UPPER LEFT
          ▝ QUADRANT UPPER RIGHT
          ▖ QUADRANT LOWER LEFT
          ▗ QUADRANT LOWER RIGHT
          ▚ QUADRANT UPPER LEFT AND LOWER RIGHT
          ▞ QUADRANT UPPER RIGHT AND LOWER LEFT
          █ FULL BLOCK

Resources

https://en.wikipedia.org/wiki/ANSI_art

http://ascii-table.com/ansi-escape-sequences.php

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  • 0.5.0                                ...           latest (5 years ago)

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  • 0.5.0                                ...           5 years ago
  • 0.4.0                                ...           5 years ago
  • 0.2.0                                ...           5 years ago
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