path: root/src/doc/ps/ribbons.ps

%!PS-Adobe-2.0
%%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 psDrawLines:
%		psDrawLines
%		points[0].y
%		points[0].x
%		n
%		...
%		points[n].y
%		points[n].x
%		graphics-context dictionary
% this draws lines connecting all the points.

/psDrawLines
        {	gsave
                newpath
                yVal moveto
                1 sub {
                        yVal lineto
                } repeat
		begin installGC stroke end
		grestore }
        def

% operand stack configuration in order to use psDrawStr:
%		psDrawStr
%		y
%		x
%		string
%		graphics-context dictionary
% this function draws a text string at (x,y).

/psDrawStr
        {	gsave
		newpath
                loadFont
                yVal moveto
		exch begin installGC show end
                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	/componentGC	makeDict
	0	0	1
	1072693248	0	/opaqueGC	makeDict
	0	0	1
	1072693248	0	/renderGC	makeDict
	0	0	1
	1072693248	0	/globGC	makeDict
	0	0	1
	1072693248	0	/anotherGC	makeDict
	1	0	1
	1072693248	0	/renderGC	makeDict

    gsave	% save graphics state for clipping path

	1.000000	1.000000	scale

	24	276	300	setDim
	maxX maxY	0 0	rectangle	clip	% set clip path

	globalGC1	0.000000	setForeground
	globGC	0.000000	setForeground
	globalGC1	11	180	180	81	psDrawLine
	globGC	(X)	6	185	psDrawStr
	globalGC1	106.000000	setForeground
	globGC	106.000000	setForeground
	globalGC1	0.000000	setForeground
	globGC	0.000000	setForeground
	globalGC1	182	180	42	81	psDrawLine
	globGC	(Y)	187	185	psDrawStr
	globalGC1	106.000000	setForeground
	globGC	106.000000	setForeground
	globalGC1	0.000000	setForeground
	globGC	0.000000	setForeground
	globalGC1	93	27	113	198	psDrawLine
	globGC	(Z)	88	22	psDrawStr
	globalGC1	106.000000	setForeground
	globGC	106.000000	setForeground
	1	0	0	componentGC	setLineAttributes
	componentGC	0.000000	setForeground
	componentGC
	3	88
	14	98
	24	106
	34	113
	42	119
	51	123
	58	127
	66	129
	72	131
	79	132
	85	132
	91	131
	97	129
	102	127
	107	124
	112	120
	117	115
	122	110
	127	104
	132	97
	137	89
	141	81
	146	71
	151	61
	155	49
	160	37
	165	23
	28	170	8	psDrawLines
	componentGC
	75	144
	85	153
	95	161
	103	167
	111	172
	119	175
	126	178
	132	180
	139	181
	145	181
	151	180
	156	179
	162	176
	167	173
	173	170
	178	165
	183	160
	188	154
	193	147
	199	139
	204	131
	209	122
	215	111
	220	100
	226	88
	232	74
	238	60
	28	245	44	psDrawLines
	componentGC
	245	44
	2	170	8	psDrawLines
	componentGC
	238	60
	2	165	23	psDrawLines
	componentGC
	232	74
	2	160	37	psDrawLines
	componentGC
	226	88
	2	155	49	psDrawLines
	componentGC
	220	100
	2	151	61	psDrawLines
	componentGC
	215	111
	2	146	71	psDrawLines
	componentGC
	209	122
	2	141	81	psDrawLines
	componentGC
	204	131
	2	137	89	psDrawLines
	componentGC
	199	139
	2	132	97	psDrawLines
	componentGC
	193	147
	2	127	104	psDrawLines
	componentGC
	188	154
	2	122	110	psDrawLines
	componentGC
	183	160
	2	117	115	psDrawLines
	componentGC
	178	165
	2	112	120	psDrawLines
	componentGC
	173	170
	2	107	124	psDrawLines
	componentGC
	167	173
	2	102	127	psDrawLines
	componentGC
	162	176
	2	97	129	psDrawLines
	componentGC
	156	179
	2	91	131	psDrawLines
	componentGC
	151	180
	2	85	132	psDrawLines
	componentGC
	145	181
	2	79	132	psDrawLines
	componentGC
	139	181
	2	72	131	psDrawLines
	componentGC
	132	180
	2	66	129	psDrawLines
	componentGC
	126	178
	2	58	127	psDrawLines
	componentGC
	119	175
	2	51	123	psDrawLines
	componentGC
	111	172
	2	42	119	psDrawLines
	componentGC
	103	167
	2	34	113	psDrawLines
	componentGC
	95	161
	2	24	106	psDrawLines
	componentGC
	85	153
	2	14	98	psDrawLines
	componentGC
	75	144
	2	3	88	psDrawLines
	componentGC
	75	144
	86	159
	96	170
	105	178
	113	184
	120	187
	127	189
	133	189
	139	188
	145	186
	151	184
	156	181
	162	177
	167	173
	173	170
	178	166
	183	163
	188	160
	193	158
	198	156
	202	156
	207	157
	211	159
	215	162
	219	167
	222	172
	225	180
	28	228	188	psDrawLines
	componentGC
	170	217
	178	230
	185	240
	191	246
	197	250
	203	252
	209	253
	214	252
	220	250
	226	247
	231	243
	236	239
	242	235
	247	230
	252	226
	258	221
	263	217
	267	213
	272	210
	276	208
	280	207
	284	207
	287	208
	290	211
	292	215
	294	220
	295	226
	28	296	234	psDrawLines
	componentGC
	296	234
	2	228	188	psDrawLines
	componentGC
	295	226
	2	225	180	psDrawLines
	componentGC
	294	220
	2	222	172	psDrawLines
	componentGC
	292	215
	2	219	167	psDrawLines
	componentGC
	290	211
	2	215	162	psDrawLines
	componentGC
	287	208
	2	211	159	psDrawLines
	componentGC
	284	207
	2	207	157	psDrawLines
	componentGC
	280	207
	2	202	156	psDrawLines
	componentGC
	276	208
	2	198	156	psDrawLines
	componentGC
	272	210
	2	193	158	psDrawLines
	componentGC
	267	213
	2	188	160	psDrawLines
	componentGC
	263	217
	2	183	163	psDrawLines
	componentGC
	258	221
	2	178	166	psDrawLines
	componentGC
	252	226
	2	173	170	psDrawLines
	componentGC
	247	230
	2	167	173	psDrawLines
	componentGC
	242	235
	2	162	177	psDrawLines
	componentGC
	236	239
	2	156	181	psDrawLines
	componentGC
	231	243
	2	151	184	psDrawLines
	componentGC
	226	247
	2	145	186	psDrawLines
	componentGC
	220	250
	2	139	188	psDrawLines
	componentGC
	214	252
	2	133	189	psDrawLines
	componentGC
	209	253
	2	127	189	psDrawLines
	componentGC
	203	252
	2	120	187	psDrawLines
	componentGC
	197	250
	2	113	184	psDrawLines
	componentGC
	191	246
	2	105	178	psDrawLines
	componentGC
	185	240
	2	96	170	psDrawLines
	componentGC
	178	230
	2	86	159	psDrawLines
	componentGC
	170	217
	2	75	144	psDrawLines

    grestore	% restore graphics state


   cleartomark					%% clearing operand stack

end		%% pops mainDict from dictionary stack

showpage

%-------------------------- end --------------------------%