Reference

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chessboard

Arguments:

Description:

Draw chessboard on selected images.

Default values:

size2=size1, offset1=offset2=0, angle=0, opacity=1, color1=0 and color2=255.

Example of use:

$ gmic image.jpg chessboard 32,32,0,0,25,0.3,255,128,0,0,128,255

Command: image.jpg chessboard 32,32,0,0,25,0.3,255,128,0,0,128,255