53 lines
905 B
PostScript
53 lines
905 B
PostScript
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%
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% Shading support - primarily for ASCII file translators.
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%
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/grays [0.98 0.9 0.75 0.6] def
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/setshade {
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/level exch def
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level 0 le {
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/textgray 0 def
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/backgray 1 def
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}{
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/backgray level grays length gt
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{/textgray 1 def 0}
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{/textgray 0 def grays level 1 sub get}
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ifelse def
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} ifelse
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textgray setgray
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/dY1 0 def
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/dY2 0 def
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} bind def
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/drawrvbox {
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/x2 exch charwidth mul def
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/x1 exch charwidth mul def
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x1 x2 lt {
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dup % expects y on top
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/y1 exch linespace mul def
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/y2 y1 def
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dY1 0 eq dY2 0 eq and {
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currentfont /FontBBox get aload pop
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160 sub
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currentfont /FontMatrix get dtransform /dY2 exch def pop
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100 add
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currentfont /FontMatrix get dtransform /dY1 exch def pop
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} if
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/y1 y1 dY1 add def
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/y2 y2 dY2 add def
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backgray setgray
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newpath
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x1 y1 moveto
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x2 y1 lineto
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x2 y2 lineto
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x1 y2 lineto
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closepath fill
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} if
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textgray setgray
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} bind def
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