%!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 256 244 0 244 psDrawLine globalGC1 128 259 128 0 psDrawLine globalGC1 11 13 3 3 0 360 12 14 psFillArc globalGC1 12 14 12 14 psDrawLine globalGC1 11 13 3 3 0 360 12 14 psFillArc globalGC1 17 33 12 14 psDrawLine globalGC1 16 32 3 3 0 360 17 33 psFillArc globalGC1 22 51 17 33 psDrawLine globalGC1 21 50 3 3 0 360 22 51 psFillArc globalGC1 27 68 22 51 psDrawLine globalGC1 26 67 3 3 0 360 27 68 psFillArc globalGC1 32 84 27 68 psDrawLine globalGC1 31 83 3 3 0 360 32 84 psFillArc globalGC1 36 100 32 84 psDrawLine globalGC1 35 99 3 3 0 360 36 100 psFillArc globalGC1 41 115 36 100 psDrawLine globalGC1 40 114 3 3 0 360 41 115 psFillArc globalGC1 46 129 41 115 psDrawLine globalGC1 45 128 3 3 0 360 46 129 psFillArc globalGC1 51 142 46 129 psDrawLine globalGC1 50 141 3 3 0 360 51 142 psFillArc globalGC1 56 154 51 142 psDrawLine globalGC1 55 153 3 3 0 360 56 154 psFillArc globalGC1 60 166 56 154 psDrawLine globalGC1 59 165 3 3 0 360 60 166 psFillArc globalGC1 65 177 60 166 psDrawLine globalGC1 64 176 3 3 0 360 65 177 psFillArc globalGC1 70 187 65 177 psDrawLine globalGC1 69 186 3 3 0 360 70 187 psFillArc globalGC1 75 196 70 187 psDrawLine globalGC1 74 195 3 3 0 360 75 196 psFillArc globalGC1 80 204 75 196 psDrawLine globalGC1 79 203 3 3 0 360 80 204 psFillArc globalGC1 84 212 80 204 psDrawLine globalGC1 83 211 3 3 0 360 84 212 psFillArc globalGC1 89 219 84 212 psDrawLine globalGC1 88 218 3 3 0 360 89 219 psFillArc globalGC1 94 225 89 219 psDrawLine globalGC1 93 224 3 3 0 360 94 225 psFillArc globalGC1 99 230 94 225 psDrawLine globalGC1 98 229 3 3 0 360 99 230 psFillArc globalGC1 104 234 99 230 psDrawLine globalGC1 103 233 3 3 0 360 104 234 psFillArc globalGC1 108 238 104 234 psDrawLine globalGC1 107 237 3 3 0 360 108 238 psFillArc globalGC1 113 241 108 238 psDrawLine globalGC1 112 240 3 3 0 360 113 241 psFillArc globalGC1 118 243 113 241 psDrawLine globalGC1 117 242 3 3 0 360 118 243 psFillArc globalGC1 123 244 118 243 psDrawLine globalGC1 122 243 3 3 0 360 123 244 psFillArc globalGC1 127 244 123 244 psDrawLine globalGC1 126 243 3 3 0 360 127 244 psFillArc globalGC1 132 244 127 244 psDrawLine globalGC1 131 243 3 3 0 360 132 244 psFillArc globalGC1 137 243 132 244 psDrawLine globalGC1 136 242 3 3 0 360 137 243 psFillArc globalGC1 142 241 137 243 psDrawLine globalGC1 141 240 3 3 0 360 142 241 psFillArc globalGC1 147 238 142 241 psDrawLine globalGC1 146 237 3 3 0 360 147 238 psFillArc globalGC1 151 234 147 238 psDrawLine globalGC1 150 233 3 3 0 360 151 234 psFillArc globalGC1 156 230 151 234 psDrawLine globalGC1 155 229 3 3 0 360 156 230 psFillArc globalGC1 161 225 156 230 psDrawLine globalGC1 160 224 3 3 0 360 161 225 psFillArc globalGC1 166 219 161 225 psDrawLine globalGC1 165 218 3 3 0 360 166 219 psFillArc globalGC1 171 212 166 219 psDrawLine globalGC1 170 211 3 3 0 360 171 212 psFillArc globalGC1 175 204 171 212 psDrawLine globalGC1 174 203 3 3 0 360 175 204 psFillArc globalGC1 180 196 175 204 psDrawLine globalGC1 179 195 3 3 0 360 180 196 psFillArc globalGC1 185 187 180 196 psDrawLine globalGC1 184 186 3 3 0 360 185 187 psFillArc globalGC1 190 177 185 187 psDrawLine globalGC1 189 176 3 3 0 360 190 177 psFillArc globalGC1 195 166 190 177 psDrawLine globalGC1 194 165 3 3 0 360 195 166 psFillArc globalGC1 199 154 195 166 psDrawLine globalGC1 198 153 3 3 0 360 199 154 psFillArc globalGC1 204 142 199 154 psDrawLine globalGC1 203 141 3 3 0 360 204 142 psFillArc globalGC1 209 129 204 142 psDrawLine globalGC1 208 128 3 3 0 360 209 129 psFillArc globalGC1 214 115 209 129 psDrawLine globalGC1 213 114 3 3 0 360 214 115 psFillArc globalGC1 219 100 214 115 psDrawLine globalGC1 218 99 3 3 0 360 219 100 psFillArc globalGC1 223 84 219 100 psDrawLine globalGC1 222 83 3 3 0 360 223 84 psFillArc globalGC1 228 68 223 84 psDrawLine globalGC1 227 67 3 3 0 360 228 68 psFillArc globalGC1 233 51 228 68 psDrawLine globalGC1 232 50 3 3 0 360 233 51 psFillArc globalGC1 238 33 233 51 psDrawLine globalGC1 237 32 3 3 0 360 238 33 psFillArc globalGC1 243 14 238 33 psDrawLine globalGC1 242 13 3 3 0 360 243 14 psFillArc grestore % restore graphics state cleartomark %% clearing operand stack end %% pops mainDict from dictionary stack showpage %-------------------------- end --------------------------%