picttoppm, pnmtops, ppmtopict, ppmtopuzz, ppmtosixel, psidtopgm, pstopnm, qrttoppm: add pages (#11413)

pages/common/picttoppm.md

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+# picttoppm
+
+> Convert a Macintosh PICT file to a PPM image.
+> More information: <https://netpbm.sourceforge.net/doc/picttoppm.html>.
+
+- Convert a PICT file to a PPM image:
+
+`picttoppm {{path/to/file.pict}} > {{path/to/file.ppm}}`
+
+- Force any images in the PICT file to be output at full resolution:
+
+`picttoppm -fullres {{path/to/file.pict}} > {{path/to/file.ppm}}`
+
+- Do not assume that the input file contains a PICT header and execute quickdraw operations only:
+
+`picttoppm -noheader -quickdraw {{path/to/file.pict}} > {{path/to/file.ppm}}`

pages/common/pnmtops.md

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+# pnmtops
+
+> Convert a PNM image to a PostScript file.
+> More information: <https://netpbm.sourceforge.net/doc/pnmtops.html>.
+
+- Convert a PNM image to a PS file:
+
+`pnmtops {{path/to/file.pnm}} > {{path/to/file.ps}}`
+
+- Specify the dimensions of the output image in inches:
+
+`pnmtops -imagewidth {{imagewidth}} -imageheight {{imageheight}} {{path/to/file.pnm}} > {{path/to/file.ps}}`
+
+- Specify the dimensions of the page the output image resides on in inches:
+
+`pnmtops -width {{width}} -height {{height}} {{path/to/file.pnm}} > {{path/to/file.ps}}`

pages/common/ppmtopict.md

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+# ppmtopict
+
+> Convert a PPM image to a Macintosh PICT file.
+> More information: <https://netpbm.sourceforge.net/doc/ppmtopict.html>.
+
+- Convert a PPM image to a PICT file:
+
+`ppmtopict {{path/to/file.ppm}} > {{path/to/file.pict}}`

pages/common/ppmtopuzz.md

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+# ppmtopuzz
+
+> Convert a PPM image to an X11 puzzle file.
+> More information: <https://netpbm.sourceforge.net/doc/ppmtopuzz.html>.
+
+- Convert a PPM image to an X11 puzzle file:
+
+`ppmtopuzz {{path/to/file.ppm}} > {{path/to/file.puzz}}`

pages/common/ppmtosixel.md

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+# ppmtosixel
+
+> Convert a PPM image to DEC sixel format.
+> More information: <https://netpbm.sourceforge.net/doc/ppmtosixel.html>.
+
+- Convert a PPM image to DEC sixel format:
+
+`ppmtosixel {{path/to/file.ppm}} > {{path/to/file.sixel}}`
+
+- Produce an uncompressed SIXEL file that is much slower to print:
+
+`ppmtosixel -raw {{path/to/file.ppm}} > {{path/to/file.sixel}}`
+
+- Add a left margin of 1.5 inches:
+
+`ppmtosixel -margin {{path/to/file.ppm}} > {{path/to/file.sixel}}`
+
+- Encode control codes in a more portable (although less space-efficient) way:
+
+`ppmtosixel -7bit {{path/to/file.ppm}} > {{path/to/file.sixel}}`

pages/common/psidtopgm.md

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+# psidtopgm
+
+> Convert PostScript image data to a PGM image.
+> More information: <https://netpbm.sourceforge.net/doc/psidtopgm.html>.
+
+- Convert the image data in a PS file to a PGM image of the specified dimensions and quality:
+
+`psidtopgm {{width}} {{height}} {{bits_per_sample}} {{path/to/file.ps}} > {{path/to/image.pgm}}`

pages/common/pstopnm.md

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+# pstopnm
+
+> Convert a PostScript file to a PNM image.
+> More information: <https://netpbm.sourceforge.net/doc/pstopnm.html>.
+
+- Convert a PS file to PNM images, storing page N of the input to `path/to/fileN.ppm`:
+
+`pstopnm {{path/to/file.ps}}`
+
+- Explicitly specify the output format:
+
+`pstopnm -{{pbm|pgm|ppm}} {{path/to/file.ps}}`
+
+- Specify the resolution of the output in dots per inch:
+
+`pstopnm -dpi {{n}} {{path/to/file.ps}}`

pages/common/qrttoppm.md

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+# qrttoppm
+
+> Convert a QRT ray tracer file to a PPM image.
+> More information: <https://netpbm.sourceforge.net/doc/qrttoppm.html>.
+
+- Convert a QRT file to a PPM image:
+
+`qrttoppm {{path/to/file.qrt}} > {{path/to/image.ppm}}`