23 lines
433 B
PostScript
23 lines
433 B
PostScript
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%!
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/sys_setcolorspace /setcolorspace load def
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/sys_setcolor /setcolor load def
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userdict/is_rgb false put
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/setcolorspace
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{
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sys_setcolorspace
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currentcolorspace 0 get /DeviceRGB eq
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userdict/is_rgb 3 -1 roll put
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}bind def
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/setcolor
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{
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userdict/is_rgb get not
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{sys_setcolor}
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{
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3 copy
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2 copy eq 4 1 roll eq exch pop and
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{setgray pop pop (!\n)print flush}
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{/DeviceRGB sys_setcolorspace sys_setcolor}ifelse
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}ifelse
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}bind def
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%
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