%!IBM Personal Pageprinter (4216) Adapter Program V1.0 %%DocumentFonts: Times-Roman %%Creator: Axiom %%CreationDate: today %%Pages: 1 %%processing (hard) limit: 250 pts or 500 values for the operand stack. %%EndComments %------------------------------- prologue -------------------------------% %-------------------------- support procedures --------------------------% %--------- first create user dictionary with 100 entries max ------------% % (number can be changed to accomodate definitions) % 100 dict begin %% using 100 entries in top level dictionary /FontHeight 12 def /inch { 72 mul } def % yVal and hVal are necessary because the Xwindow display origin % is at the upper left corner, while the postscript display % origin is at the lower left hand corner. /yVal %% get Y value -- make upper left corner origin { maxY sub abs } %% maxY is viewWindow height def /hVal %% get H value -- used for displaying title text { maxH sub abs } %% maxH is viewWindow height+titleWindow height def % loads in the font /loadFont { /Times-Roman findfont FontHeight scalefont setfont } def % draws a rectangle with input operand: % height % width % notice that this function does not "draw" or ink the rectangle. /drawRect { 1 index 1 add 0 rlineto %% draw first side 0 exch 1 add neg rlineto %% draw second side 1 add neg 0 rlineto %% draw third side closepath } %% draw fourth side def % create a rectangle with input operand in the view window: % y % x % height % width % notice that this function does not "draw" or ink the rectangle. /rectangle { yVal moveto %% set currentpoint for line drawRect } %% draws the rectangle def % These are global variables that every draw procedure uses % THe operand should be as follows: % viewWindow width % viewWindow height % title height /setDim { /maxX exch def %% width of display /maxY exch def %% height of display /titleH exch def %% height of title /maxH maxY titleH add def %% height of display + title } def %-------------------------- major procedures --------------------------% /title %% draws a rectangle around the title of picture { gsave newpath moveto %% lower left of title titleH 1 add 0 exch rlineto %% draw first side 1 add 0 rlineto %% draw second side 1 add neg 0 exch rlineto begin installGC stroke end %% draw third side grestore } def /drawFrame %% draw display frame { gsave newpath maxX maxY 0 0 rectangle begin installGC stroke end grestore } def % updates the foreground color of existing graphics-context dictionary: % foreground color % dictionary name /setForeground { /FGcolor exch put } def % updates the background color of existing graphics-context dictionary: % background color % dictionary name /setBackground { /BGcolor exch put } def % updates the line width, line style, cap style, join style of % existing graphics-context dictionary: % dictionary name % join style % cap style % line width /setLineAttributes { begin /JoinStyle exch def /CapStyle exch def /LineWidth exch def end } def % creates a graphics context dictionary with the following information: % /dictionary name % foreground color % background color % line width % cap style % join style % this creates different graphical contexts for different drawing functions. /makeDict { 5 dict 2 copy def begin pop %% with dict name on top of stack /FGcolor exch def %% define drawing attributes /BGcolor exch def %% not heavily used /LineWidth exch def /CapStyle exch def /JoinStyle exch def end } def % makes the current dictionary attributes effective % this function takes the values in the current dictionary to set the context % these are the values currently being used: foreground, cap, join, and width /installGC { FGcolor currentgray ne {FGcolor setgray} if %% foreground color CapStyle currentlinecap ne {CapStyle setlinecap} if %% cap style JoinStyle currentlinejoin ne {JoinStyle setlinejoin} if %% join style LineWidth currentlinewidth ne {LineWidth setlinewidth} if } %% line width def % operand stack configuration in order to use psDrawLine: % psDrawLine % y0 % x0 % y1 % x1 % graphics-context dictionary % this draws a line from (x0, y0) to (x1, y1). /psDrawLine { gsave newpath yVal moveto yVal lineto begin installGC stroke end grestore } def % operand stack configuration in order to use psFillArc: % psFillArc % y center of rectangle % x center of rectangle % angle2 % angle1 % width % height % y % x % graphics-context dictionary % this draws and fills an arc whose origin is at x, y, and whose width % and height specifies the rectangle which encases the arc. % Origin is at upper left corner of rectangle. % This function uses "scale" to make cricles and ellipses. /psFillArc { gsave newpath yVal moveto /sfactor 4 index 4 index div def 1 sfactor scale 6 5 roll %% x on top of stack 3 index 2 div add %% define x origin 6 5 roll %% y on top of stack 6 5 roll %% h on top of stack 2 div add yVal sfactor div %% define y origin 5 4 roll %% w on top of stack 2 div %% define radius 5 3 roll %% a1 a2 now on top 1 index add arcn %% draw clockwise arc begin installGC fill end %% fills with foreground color grestore } def %-------------------------- script --------------------------% % 1 inch 1 inch translate mark %% mark bottom of our stack 0 0 1 1072693248 0 /globalGC1 makeDict 0 0 1 1072693248 0 /globalGC2 makeDict 0 0 1 1072693248 0 /trashGC makeDict 0 0 1 1072693248 0 /globGC makeDict 0 0 1 1072693248 0 /anotherGC makeDict 0 0 1 1072693248 0 /graphGC makeDict 0 0 1 1072693248 0 /unitGC makeDict gsave % save graphics state for clipping path 24 259 256 setDim maxX maxY 0 0 rectangle clip % set clip path globalGC1 256 129 0 129 psDrawLine globalGC1 127 259 127 0 psDrawLine globalGC1 11 128 3 3 0 360 12 129 psFillArc globalGC1 12 129 12 129 psDrawLine globalGC1 11 128 3 3 0 360 12 129 psFillArc globalGC1 17 144 12 129 psDrawLine globalGC1 16 143 3 3 0 360 17 144 psFillArc globalGC1 22 159 17 144 psDrawLine globalGC1 21 158 3 3 0 360 22 159 psFillArc globalGC1 27 173 22 159 psDrawLine globalGC1 26 172 3 3 0 360 27 173 psFillArc globalGC1 32 187 27 173 psDrawLine globalGC1 31 186 3 3 0 360 32 187 psFillArc globalGC1 36 199 32 187 psDrawLine globalGC1 35 198 3 3 0 360 36 199 psFillArc globalGC1 41 210 36 199 psDrawLine globalGC1 40 209 3 3 0 360 41 210 psFillArc globalGC1 46 220 41 210 psDrawLine globalGC1 45 219 3 3 0 360 46 220 psFillArc globalGC1 51 229 46 220 psDrawLine globalGC1 50 228 3 3 0 360 51 229 psFillArc globalGC1 56 235 51 229 psDrawLine globalGC1 55 234 3 3 0 360 56 235 psFillArc globalGC1 60 240 56 235 psDrawLine globalGC1 59 239 3 3 0 360 60 240 psFillArc globalGC1 63 242 60 240 psDrawLine globalGC1 62 241 3 3 0 360 63 242 psFillArc globalGC1 65 243 63 242 psDrawLine globalGC1 64 242 3 3 0 360 65 243 psFillArc globalGC1 68 244 65 243 psDrawLine globalGC1 67 243 3 3 0 360 68 244 psFillArc globalGC1 70 244 68 244 psDrawLine globalGC1 69 243 3 3 0 360 70 244 psFillArc globalGC1 72 244 70 244 psDrawLine globalGC1 71 243 3 3 0 360 72 244 psFillArc globalGC1 75 243 72 244 psDrawLine globalGC1 74 242 3 3 0 360 75 243 psFillArc globalGC1 77 242 75 243 psDrawLine globalGC1 76 241 3 3 0 360 77 242 psFillArc globalGC1 80 240 77 242 psDrawLine globalGC1 79 239 3 3 0 360 80 240 psFillArc globalGC1 84 235 80 240 psDrawLine globalGC1 83 234 3 3 0 360 84 235 psFillArc globalGC1 89 229 84 235 psDrawLine globalGC1 88 228 3 3 0 360 89 229 psFillArc globalGC1 94 220 89 229 psDrawLine globalGC1 93 219 3 3 0 360 94 220 psFillArc globalGC1 99 210 94 220 psDrawLine globalGC1 98 209 3 3 0 360 99 210 psFillArc globalGC1 104 199 99 210 psDrawLine globalGC1 103 198 3 3 0 360 104 199 psFillArc globalGC1 108 187 104 199 psDrawLine globalGC1 107 186 3 3 0 360 108 187 psFillArc globalGC1 113 173 108 187 psDrawLine globalGC1 112 172 3 3 0 360 113 173 psFillArc globalGC1 118 159 113 173 psDrawLine globalGC1 117 158 3 3 0 360 118 159 psFillArc globalGC1 123 144 118 159 psDrawLine globalGC1 122 143 3 3 0 360 123 144 psFillArc globalGC1 127 129 123 144 psDrawLine globalGC1 126 128 3 3 0 360 127 129 psFillArc globalGC1 132 114 127 129 psDrawLine globalGC1 131 113 3 3 0 360 132 114 psFillArc globalGC1 137 99 132 114 psDrawLine globalGC1 136 98 3 3 0 360 137 99 psFillArc globalGC1 142 85 137 99 psDrawLine globalGC1 141 84 3 3 0 360 142 85 psFillArc globalGC1 147 71 142 85 psDrawLine globalGC1 146 70 3 3 0 360 147 71 psFillArc globalGC1 151 59 147 71 psDrawLine globalGC1 150 58 3 3 0 360 151 59 psFillArc globalGC1 156 48 151 59 psDrawLine globalGC1 155 47 3 3 0 360 156 48 psFillArc globalGC1 161 38 156 48 psDrawLine globalGC1 160 37 3 3 0 360 161 38 psFillArc globalGC1 166 29 161 38 psDrawLine globalGC1 165 28 3 3 0 360 166 29 psFillArc globalGC1 171 23 166 29 psDrawLine globalGC1 170 22 3 3 0 360 171 23 psFillArc globalGC1 175 18 171 23 psDrawLine globalGC1 174 17 3 3 0 360 175 18 psFillArc globalGC1 178 16 175 18 psDrawLine globalGC1 177 15 3 3 0 360 178 16 psFillArc globalGC1 180 15 178 16 psDrawLine globalGC1 179 14 3 3 0 360 180 15 psFillArc globalGC1 183 14 180 15 psDrawLine globalGC1 182 13 3 3 0 360 183 14 psFillArc globalGC1 185 14 183 14 psDrawLine globalGC1 184 13 3 3 0 360 185 14 psFillArc globalGC1 187 14 185 14 psDrawLine globalGC1 186 13 3 3 0 360 187 14 psFillArc globalGC1 190 15 187 14 psDrawLine globalGC1 189 14 3 3 0 360 190 15 psFillArc globalGC1 192 16 190 15 psDrawLine globalGC1 191 15 3 3 0 360 192 16 psFillArc globalGC1 195 18 192 16 psDrawLine globalGC1 194 17 3 3 0 360 195 18 psFillArc globalGC1 199 23 195 18 psDrawLine globalGC1 198 22 3 3 0 360 199 23 psFillArc globalGC1 204 29 199 23 psDrawLine globalGC1 203 28 3 3 0 360 204 29 psFillArc globalGC1 209 38 204 29 psDrawLine globalGC1 208 37 3 3 0 360 209 38 psFillArc globalGC1 214 48 209 38 psDrawLine globalGC1 213 47 3 3 0 360 214 48 psFillArc globalGC1 219 59 214 48 psDrawLine globalGC1 218 58 3 3 0 360 219 59 psFillArc globalGC1 223 71 219 59 psDrawLine globalGC1 222 70 3 3 0 360 223 71 psFillArc globalGC1 228 85 223 71 psDrawLine globalGC1 227 84 3 3 0 360 228 85 psFillArc globalGC1 233 99 228 85 psDrawLine globalGC1 232 98 3 3 0 360 233 99 psFillArc globalGC1 238 114 233 99 psDrawLine globalGC1 237 113 3 3 0 360 238 114 psFillArc globalGC1 243 129 238 114 psDrawLine globalGC1 242 128 3 3 0 360 243 129 psFillArc grestore % restore graphics state cleartomark %% clearing operand stack end %% pops mainDict from dictionary stack showpage %-------------------------- end --------------------------%