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52 %% Ipe postscript prologue
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66 /np {newpath} bind def
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73 %% x y size dx dy -> ar -> x y [ draws arrowhead, computes new vertex ]
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82 /af {ar moveto} bind def
83 /at {ar lineto} bind def
84 %% x y size dx dy -> arw -> [ draws arrowhead ]
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87 /ci {0 360 arc} bind def
88 /el {gsave concat 0 exch 0 exch 0 360 newpath arc origmatrix
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96 /m2 {marker 0 exch 0 exch 0 360 arc fill grestore} bind def
97 /m3 {marker dup dup moveto dup dup neg lineto dup neg dup lineto dup
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99 /m4 {marker dup dup moveto dup dup neg lineto dup neg dup lineto dup
100 neg exch lineto closepath fill grestore} bind def
101 /m5 {marker dup dup moveto dup neg dup lineto dup dup neg moveto dup
102 neg exch lineto closepath stroke grestore} bind def
105 systemdict /setpacking known {/savepacking currentpacking def false
115 systemdict /setpacking known {savepacking setpacking} if
117 %% x y /qi -> defp -> [/qi [x y] def]
118 /defp {dup 4 1 roll load astore def} bind def
120 /midpoint { exch 4 3 roll add 2 div 3 1 roll add 2 div } bind def
121 /thirdpoint { exch 4 3 roll 2 mul add 3 div 3 1 roll exch 2 mul add 3
124 /prespl {/p3 defp /p2 defp /p1 defp /p0 defp
125 p1 p2 thirdpoint /q1 defp
126 p2 p1 thirdpoint /q2 defp
127 p1 p0 thirdpoint q1 midpoint /q0 defp
128 p2 p3 thirdpoint q2 midpoint /q3 defp } bind def
129 /postspl { q1 q2 q3 curveto p1 p2 p3 } bind def
130 /fspl { prespl q0 moveto postspl } bind def
131 /spl { prespl postspl } bind def
132 /xspl { pop pop pop pop pop pop } bind def
134 /qspl { /p2 defp /p1 defp /p0 defp
135 p1 p0 midpoint /q0 defp
136 p1 p2 midpoint /q3 defp
137 p1 q0 thirdpoint /q1 defp
138 p1 q3 thirdpoint /q2 defp q0 moveto q1 q2 q3 curveto } bind def
140 /cqspl { /p2 defp /p1 defp /p0 defp
141 p1 p0 midpoint /q0 defp
142 p1 p2 midpoint /q3 defp
143 p1 q0 thirdpoint /q1 defp
144 p1 q3 thirdpoint /q2 defp q0 moveto q1 q2 q3 curveto
145 p2 p1 midpoint /q0 defp
146 p2 p0 midpoint /q3 defp
147 p2 q0 thirdpoint /q1 defp
148 p2 q3 thirdpoint /q2 defp q1 q2 q3 curveto
149 p0 p2 midpoint /q0 defp
150 p0 p1 midpoint /q3 defp
151 p0 q0 thirdpoint /q1 defp
152 p0 q3 thirdpoint /q2 defp q1 q2 q3 curveto } bind def
155 /pix { /picstr exch string def } def
156 %% wd ht -> preimg -> ..stuff for image..
157 /preimg { 8 [ 3 index 0 0 5 index neg 0 7 index ]
158 {currentfile picstr readhexstring pop} } def
159 /img { preimg image } bind def
160 /kimg { preimg false 3 colorimage } bind def
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