ppmlabel

Add text to a PPM image. More information: https://netpbm.sourceforge.net/doc/ppmlabel.html.

• Add text to a PPM image at the specified location:

ppmlabel -x {{pos_x}} -y {{pos_y}} -text {{text}} {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}

• Add multiple texts at different locations:

ppmlabel -x {{pos_x1}} -y {{pos_y1}} -text {{text1}} -x {{pos_x2}} -y {{pos_y2}} -text {{text2}} {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}

• Specify the line color, the background color, the tilt and the size of the added text:

ppmlabel -x {{pos_x}} -y {{pos_y}} -color {{line_color}} -background {{background_color}} -angle {{tilt}} -size {{size}} -text {{text}} {{path/to/input_file.ppm}} > {{path/to/output_file.ppm}}