Generating Postscript
The postscript operation generates postscript based on the contents of a canvas. One limitation to note is that embedded windows are not captured in the postscript output. Table 34-12 summarizes all the options for generating postscript:
| -colormap varName | The index of varName is a named color, and the contents of each element is the postscript code to generate the RGB values for that color. |
| -colormode mode | mode is one of color, grey, or mono. |
| -file name | The file in which to write the postscript. If not specified, the postscript is returned as the result of the command. |
| -fontmap varName | The index of varName is an X font name. Each element contains a list of two items: a postscript font name ... |
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