pamoil, pgmbentley, pgmdeshadow, pgmoil, ppmrainbow, ppmrelief, ppmshadow, ppmshift, ppmspread, ppmtoacad, ppmtobmp, ppmtoicr: add pages (#11433)

pages/common/ppmtoicr.md

@@ -0,0 +1,20 @@
+# ppmtoicr
+
+> Convert a PPM image to NCSA ICR format.
+> More information: <https://netpbm.sourceforge.net/doc/ppmtoicr.html>.
+
+- Convert a PPM image to a ICR file:
+
+`ppmtoicr {{path/to/file.ppm}} > {{path/to/file.icr}}`
+
+- Display the output in name:
+
+`ppmtoicr -windowname {{name}} {{path/to/file.ppm}} > {{path/to/file.icr}}`
+
+- Expand the image by the specified factor:
+
+`ppmtoicr -expand {{factor}} {{path/to/file.ppm}} > {{path/to/file.icr}}`
+
+- Display the output on the screen with the specified number:
+
+`ppmtoicr -display {{number}} {{path/to/file.ppm}} > {{path/to/file.icr}}`