| Syntax |
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pngtoppm --help
pngtoppm [-bgcol rrggbb] [-alpha alphaname] [name]
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| Synopsis |
| Convert a Portable Network Graphics (PNG) image to Portable PixMap (PPM). |
| Options |
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--help | print the help message and exit. |
-bgcol rrggbb | set the background color of the output image to rrggbb, specified as the hexadecimal value for the 24-bit red,green and blue component color. |
-alpha alphaname | save the alpha channel of the file as the file alphaname. |
name | input image filename. If this is omitted the image will be read from standard input. |
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| Description |
| Convert a Portable Network Graphics (PNG) image to Portable PixMap (PPM).
The PPM image file is written to standard output.
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| Examples |
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pngtoppm inp.png > out.ppm |
Convert PNG file inp.png to the PPM file out.ppm.
pngtoppm -bgcol ff0000 inp.png > out.ppm |
Convert PNG file inp.png to the PPM file out.ppm. Set the background color to ff0000 (Red).
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