gifwedge − create a GIF test pattern
gifwedge [−v] [−l lvls] [−s sizex sizey] [−h] [gif−file] |
A program to create a test GIF image with intensity levels of the RGB colors YCM colors and white.
−v
Verbose mode (show progress). Enables printout of running scan lines.
−l lvls
Set number of intensity levels per color. This number must be power of two up to 32, as Gif format can only have 256 color simultaneously and 7 basic colors are to be displayed.
−s sizex sizey
Force image size to be SizeX by SizeY pixels. Image size will be rounded down to be a multiple of number of intensities horizontally, and 7 (colors) vertically.
−h
Print one line command line help, similar to Usage above.
Gershon Elber.