path: root/src/doc/ps/ribbon2.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	17	215	192	94	psDrawLine
	globGC	(X)	12	220	psDrawStr
	globalGC1	106.000000	setForeground
	globGC	106.000000	setForeground
	globalGC1	0.000000	setForeground
	globGC	0.000000	setForeground
	globalGC1	202	215	42	94	psDrawLine
	globGC	(Y)	207	220	psDrawStr
	globalGC1	106.000000	setForeground
	globGC	106.000000	setForeground
	globalGC1	0.000000	setForeground
	globGC	0.000000	setForeground
	globalGC1	108	53	119	219	psDrawLine
	globGC	(Z)	103	48	psDrawStr
	globalGC1	106.000000	setForeground
	globGC	106.000000	setForeground
	1	0	0	componentGC	setLineAttributes
	componentGC	0.000000	setForeground
	componentGC
	14	124
	25	133
	34	140
	44	145
	52	150
	60	153
	67	155
	75	157
	81	158
	88	158
	94	157
	100	155
	106	153
	111	150
	117	146
	122	141
	127	136
	133	130
	138	124
	143	116
	148	108
	153	99
	159	89
	164	78
	169	66
	175	53
	180	38
	28	186	23	psDrawLines
	componentGC
	99	195
	108	202
	116	207
	124	211
	131	215
	138	217
	145	218
	151	219
	157	219
	163	217
	169	216
	175	213
	180	210
	186	206
	191	202
	197	196
	202	190
	208	184
	213	176
	219	168
	225	159
	231	149
	237	138
	243	127
	250	114
	256	100
	264	85
	28	271	68	psDrawLines
	componentGC
	271	68
	2	186	23	psDrawLines
	componentGC
	264	85
	2	180	38	psDrawLines
	componentGC
	256	100
	2	175	53	psDrawLines
	componentGC
	250	114
	2	169	66	psDrawLines
	componentGC
	243	127
	2	164	78	psDrawLines
	componentGC
	237	138
	2	159	89	psDrawLines
	componentGC
	231	149
	2	153	99	psDrawLines
	componentGC
	225	159
	2	148	108	psDrawLines
	componentGC
	219	168
	2	143	116	psDrawLines
	componentGC
	213	176
	2	138	124	psDrawLines
	componentGC
	208	184
	2	133	130	psDrawLines
	componentGC
	202	190
	2	127	136	psDrawLines
	componentGC
	197	196
	2	122	141	psDrawLines
	componentGC
	191	202
	2	117	146	psDrawLines
	componentGC
	186	206
	2	111	150	psDrawLines
	componentGC
	180	210
	2	106	153	psDrawLines
	componentGC
	175	213
	2	100	155	psDrawLines
	componentGC
	169	216
	2	94	157	psDrawLines
	componentGC
	163	217
	2	88	158	psDrawLines
	componentGC
	157	219
	2	81	158	psDrawLines
	componentGC
	151	219
	2	75	157	psDrawLines
	componentGC
	145	218
	2	67	155	psDrawLines
	componentGC
	138	217
	2	60	153	psDrawLines
	componentGC
	131	215
	2	52	150	psDrawLines
	componentGC
	124	211
	2	44	145	psDrawLines
	componentGC
	116	207
	2	34	140	psDrawLines
	componentGC
	108	202
	2	25	133	psDrawLines
	componentGC
	99	195
	2	14	124	psDrawLines

    grestore	% restore graphics state


   cleartomark					%% clearing operand stack

end		%% pops mainDict from dictionary stack

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