image-to-ascii

Program for generating ASCII art from images. Allows specification of output image dimensions (with aspect ratio preservation), image brightness inversion and gamma correction.

Compilation

Use compiler directly or use make.

Command line arguments:

• -w - ASCII image width (default 80).
• -h - ASCII image height (ignored if image aspect ratio is preserved) (default 40).
• -inv - Invert image luma values (default false).
• -gc - Gamma correction. (default 1.0)
• -par - Preserve image aspect ratio (default false).
• -car - Character aspect ratio (default 0.5).
• -in - Input image file name (default input.png).
• -out - Output text file name (default output.txt).
• -v - Prints verbose information about parameters used. (default false)
• -help - Prints help manual. (default false)

Examples:

Inversion (without gamma correction):