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Text File  |  1994-06-20  |  843b  |  15 lines
  1. %%DSIDICT:_cv
  2. userdict /_cv known not currentdict /bu known and{bu}{save}ifelse
  3. userdict /_cv known not dup {userdict /_cv 20 dict put}if
  4. _cv begin
  5. /bdf{bind def}bind def
  6. /isDeviceColor {/currentcolorspace where{pop currentcolorspace 0 get dup /DeviceGray eq exch dup /DeviceRGB eq exch /DeviceCMYK eq or or}{T}ifelse}bdf
  7. /setcmykcolor where{/setcmykcolor get /cvcmyk exch def}{/cvcmyk{1 sub 4 1 roll 3{3 index add neg dup 0 lt{pop 0}if 3 1 roll}repeat setrgbcolor pop}bdf }ifelse
  8. /stg{isDeviceColor {cf ca /cs load setscreen setgray}{pop}ifelse}bdf
  9. /strgb{isDeviceColor {cf ca /cs load setscreen setrgbcolor}{pop pop pop}ifelse}bdf
  10. /stcmyk{isDeviceColor {cf ca /cs load setscreen cvcmyk}{pop pop pop pop}ifelse}bdf
  11. /min1{dup 0 eq{pop 1}if}bdf
  12. currentscreen/cs exch def/ca exch def/cf exch def
  13. end
  14. currentdict /bn known and{bn}{restore}ifelse
  15.