File: postscpt.hh

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gri 2.4.2-1
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// BUG: change the "n" and "S" in symbol drawing later.  gr.cc:gr_drawsymbol
#if !defined(_postscpt_)

#define _postscpt_

#define PS_break_path           "stroke newpath\n%.1f %.1f m\n"
#define	PS_closepath		"h\n"
#define	PS_comment		"%%%s\n"
#define	PS_fill			"F\n"
#define	PS_fillrect		"%.1f %.1f %.1f %.1f fr\n"
#define	PS_lineto		"%.1f %.1f l\n"
#define	PS_rlineto		"%.1f %.1f rl\n"
#define	PS_moveto		"%.1f %.1f m\n"
#define	PS_rmoveto		"%.1f %.1f rm\n"
#define	PS_weak_newpath		"n\n"
#define	PS_newpath		"newpath\n"
#define	PS_setgray		"%.3f g\n"
#define	PS_setlinewidth		"%.3f w\n"
#define	PS_showc		"(%c) sh\n"
#define	PS_showpage		"showpage\n"
#define	PS_stroke		"S\n"

// Commands to retire, when get a chance to recode next:
// rl rm ALL TEXT COMMANDS
static char    *PS_dict[] =
{
    "% NOTE: The Gri postscript dictionary is being converted to the Adobe",
    "% Illustrator 3.0 dialect of PostScript, as described in the Adobe",
    "% documents stored at URL",
    "%   http://www.adobe.com/Support/TechNotes.html",
    "% (as of Jan 1996, this doc is number 5007).  When the conversion",
    "% is complete, the Adobe Illustrator drawing program -- and any",
    "% program compatible with AI -- will be able to edit Gri output.",
    "%",
    "% The IslandDraw (TM) program is able to read Gri output",
    "% at this time; remarkably, it can read/edit arbitrary PostScript.",
    "%",
    "% The definitions below are presented in the same order as the Adobe",
    "% manual.  The stack configuration before and after is shown in curly",
    "% brackets.  All the operators are listed, but only some are defined",
    "% here. Most things are faithful, except that no distinction is made",
    "% between colors for stroking and filling paths.  The string 'WRONGLY'",
    "% appears with commands that are approximations.",
    "%",
    "% PDF-style abbreviations:",
    "/rg {setrgbcolor} def   % {red green blue}            {-} set RGB color",
    "/RG {setrgbcolor} def   % {red green blue}            {-} set RGB color",
    "/q {gsave} def",
    "/Q {grestore} def",
    "/W {clip} def",
    "/W* {eoclip} def",
    "%",
    "% Gri-specific abbreviations:",
    "/hsb {sethsbcolor} def  % {hue saturation brightness} {-} set HSB color",
    "%",
    "% Following all try to mimic Adobe Illustrator",
    "%",
    "% Mimicking section 5.1 of Adobe manual:",
    "%A                      % {flag A}          {-} Determine whether",
    "                        %                       following object can",
    "                        %                       be selected. Flag=1",
    "                        %                       prevents selection;",
    "                        %                       flag=0 allows it.",
    "",
    "% Mimicking section 5.2 of Adobe manual:",
    "%u                      % {u}               {-} start group",
    "%U                      % end group",
    "%q                      % as 'u' but first item is a clip path",
    "%Q                      % as 'U' but first item is a clip path",
    "",
    "% Mimicking section 5.3 of Adobe manual:",
    "/g {setgray} def        % {gray g}          {-} Set gray for fill",
    "                        %                       path, WRONGLY used",
    "                        %                       for stroking also. ",
    "/G {setgray} def        % As 'g', but for filling path.",
    "%k                      % Set cmyk color for filling path.",
    "%K                      % As 'k', but for stroking path.",
    "%x                      % Set cmyk custom color for filling path.",
    "%X                      % As 'x' but for stroking path.",
    "%p                      % Define pattern for filling path.",
    "%P                      % As 'p' but for stroking path.",
    "%O                      % Specify whether overprinting for fill paths",
    "%R                      % As 'O' but for stroking path.",
    "",
    "% Mimicking section 5.4 of Adobe manual:",
    "/d {setdash} def        % {[array] phase d} {-} Set dash.",
    "/i {setflat} def        % {flatness i}      {-} Set flatness.",
    "/j {setlinejoin} def    % {linejoin j}      {-} Set line join.",
    "/J {setlinecap} def     % {linecap J}       {-} Set line cap.",
    "/M {setmiterlimit} def  % {miterlimit M}    {-} Set miter limit.",
    "/w {setlinewidth} def   % {linewidth w}     {-} Set line width.",
    "",
    "% Mimicking section 5.5 of Adobe manual:",
    "/m {moveto} def         % {x y m}           {-} Move to locn",
    "/l {lineto} def         % {x y l}           {-} Draw line to locn",
    "                        %                       not a smooth point.",
    "                        %                       WRONGLY, no",
    "                        %                       distinction is made",
    "                        %                       between smooth and",
    "                        %                       corner. ",
    "%L                      % {x y L}           {-} As 'l' but a corner",
    "%c                      % Bezier curve to smooth point.",
    "%C                      % As 'c' but to corner point.",
    "%v                      % Something else to do with Bezier.",
    "%V                      % ",
    "%y                      % ",
    "%Y                      % ",
    "",
    "% Mimicking section 5.6 of Adobe manual:",
    "%N                      % {N}               {-} As 'n' for nondrawn stuff",
    "/n {newpath} def        % {n}               {-} WRONGLY interpreted",
    "                        %                       as path constructor",
    "/F {fill} def           % {F}               {-} Fill current path.",
    "%f                      % {f}               {-} 'F' but close first",
    "/S {stroke} def         % {S}               {-} Stroke current path.",
    "%s                      % {s}               {-} 'S' but close first",
    "%B                      % {B}               {-} As 's' but don't empty path.",
    "%b                      % {b}               {-} As 'f' but don't empty path.",
    "%H                      % no-op (weird huh?)",
    "/h {closepath} def      % {h}               {-} Close  current path",
    "%W                      % Used to create masks.",
    "",
    "% Mimicking section 5.7 of Adobe manual:",
    "%a                      % Begin text block ...",
    "%e                      % Similar to 'a' but ...",
    "%I                      % Similar to 'a' but ...",
    "%o                      % Similar to 'a' but ...",
    "%r                      % Similar to 'a' but ...",
    "%t                      % {len (string) t}  {-} Render string.",
    "%T                      % End block of text",
    "",
    "% That's the end of the Illustrator stuff. Following are some Gri",
    "% definitions which provide a temporary way of handling fonts. ",
    "/sf {setfont} def       % {fontname sf}     {-} Set font name.",
    "/sh {show} def          % {(text) sh}       {-} Show text.",
    "/sc {scalefont} def     % {size sc}         {-} Scale font.",
    "% Gri items which should be translated to Illustrator format:",
    "/rl {rlineto} def",
    "/rm {rmoveto} def",
    
    "% Procedures",
    "/cimdict 7 dict def",
    "/cim {",
    " cimdict begin",
    " /cl exch def",
    " /rw exch def",
    " /yur exch def",
    " /xur exch def",
    " /yll exch def",
    " /xll exch def",
    " q",
    " xll yll translate",
    " xur xll sub yur yll sub scale",
    " /do cl 3 mul string def",
    " cl rw 8 [cl 0 0 rw neg 0 rw] {currentfile do readhexstring pop} false 3 colorimage",
    " Q",
    " end",
    "} def",
    
    "/imdict 14 dict def",
    "/im {",
    " imdict begin",
    " /cl exch def",
    " /rw exch def",
    " /yur exch def",
    " /xur exch def",
    " /yll exch def",
    " /xll exch def",
    " /imagemap exch def",
    " q",
    " % Add the mapping to the transfer function (ref: white book, p 743.",
    " [{255 mul cvi imagemap exch get} /exec load currenttransfer /exec load]",
    "   cvx settransfer",
    " xll yll translate",
    " xur xll sub yur yll sub scale",
    " /do cl string def",
    " cl rw 8 [cl 0 0 rw neg 0 rw] {currentfile do readhexstring pop}image",
    " Q",
    " end",
    "} def",
    
    "/frdict  5 dict def",
    "/fr {",
    " frdict begin",
    " /yt exch def",
    " /xr exch def",
    " /yb exch def",
    " /xl exch def",
    " n",
    " xl yb m",
    " xl yt l",
    " xr yt l",
    " xr yb l",
    " h",
    " F",
    " n",
    " end",
    "} def",
    "/plusdict 3 dict def",
    "/_plus {",
    " plusdict begin",
    " dup 0.5 mul /t0 exch def",
    " /t1 exch def",
    " 0 t0 rm",
    " 0 t1 neg rl",
    " t0 neg t0 rm",
    " t1 0 rl",
    " t0 neg 0 rm",
    " end",
    "} def",
    "/timesdict 3 dict def",
    "/_times {",
    " timesdict begin",
    " dup 0.353553 mul /t0 exch def",
    " 0.707106 mul /t1 exch def",
    " t0 neg t0 rm",		// upper left
    " t1 dup neg rl",		// lower right
    " t1 neg 0 rm",		// lower left
    " t1 dup rl",		// upper right
    " t0 neg dup rm",		// centre
    " end",
    "} def",
    "/boxdict 3 dict def",
    "/_box {",
    " boxdict begin",
    " dup 0.5 mul /t0 exch def",
    " 1 mul /t1 exch def",
    " t0 neg t0 rm",		// top left
    " t1 0 rl",			// top right 
    " 0 t1 neg rl",		// bottom right 
    " t1 neg 0 rl",		// bottom left 
    " h",			// back to top left 
    " t0 dup neg rm",		// end at centre 
    " end",
    "} def",
    "/filledboxdict 3 dict def",
    "/_filledbox {",
    " filledboxdict begin",
    " dup 0.5 mul /t0 exch def",
    " 1 mul /t1 exch def",
    " t0 neg t0 rm",		// top left 
    " t1 0 rl",			// top right 
    " 0 t1 neg rl",		// bottom right 
    " t1 neg 0 rl",		// bottom left 
    " h",			// back to top left 
    " t0 dup neg rm",		// end at centre 
    " F end",
    "} def",
    "/diamonddict 2 dict def",
    "/_diamond {",
    " diamonddict begin",
    " 0.5 mul /t0 exch def",
    " t0 neg 0 rm",		// left 
    " t0 dup rl",		// top 
    " t0 dup neg rl",		// right 
    " t0 neg dup rl",		// bottom 
    " h",			// back to left 
    " t0 0 rm",			// end at centre 
    " end",
    "} def",
    "/filleddiamonddict 2 dict def",
    "/_filleddiamond {",
    " filleddiamonddict begin",
    " 0.5 mul /t0 exch def",
    " t0 neg 0 rm",		// left 
    " t0 dup rl",		// top 
    " t0 dup neg rl",		// right 
    " t0 neg dup rl",		// bottom 
    " h",			// back to left 
    " t0 0 rm",			// end at centre 
    " F end",
    "} def",
    "/triangleupdict 5 dict def",
    "/_triangleup {",
    " triangleupdict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t1 neg t0 neg rm",	// bottom left 
    " t1 t2 rl",		// top 
    " t1 t2 neg rl",		// bottom right 
    " h",			// back to bottom left 
    " t1 t0 rm",		// end at centre 
    " end",
    "} def",

    "/filledtriangleupdict 5 dict def",
    "/_filledtriangleup {",
    " filledtriangleupdict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t1 neg t0 neg rm",	// bottom left 
    " t1 t2 rl",		// top 
    " t1 t2 neg rl",		// bottom right 
    " h",			// back to bottom left 
    " t1 t0 rm",		// end at centre 
    " F end",
    "} def",

    "/trianglerightdict 5 dict def",
    "/_triangleright {",
    " trianglerightdict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t0 neg t1 rm",		// top 
    " t2 t1 neg rl",		// right 
    " t2 neg t1 neg rl",	// bottom 
    " h",			// back to top 
    " t0 t1 neg rm",		// end at centre 
    " end",
    "} def",

    "/filledtrianglerightdict 5 dict def",
    "/_filledtriangleright {",
    " filledtrianglerightdict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t0 neg t1 rm",		// top 
    " t2 t1 neg rl",		// right 
    " t2 neg t1 neg rl",	// bottom 
    " h",			// back to top 
    " t0 t1 neg rm",		// end at centre 
    " F end",
    "} def",

    "/triangledowndict 5 dict def",
    "/_triangledown {",
    " triangledowndict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t1 neg t0 rm",		// top left 
    " t3 0 rl",			// top right 
    " t1 neg t2 neg rl",	// bottom 
    " h",			// back to top left 
    " t1 t0 neg rm",		// end at centre 
    " end",
    "} def",

    "/filledtriangledowndict 5 dict def",
    "/_filledtriangledown {",
    " filledtriangledowndict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t1 neg t0 rm",		// top left 
    " t3 0 rl",			// top right 
    " t1 neg t2 neg rl",	// bottom 
    " h",			// back to top left 
    " t1 t0 neg rm",		// end at centre 
    " F end",
    "} def",

    "/triangleleftdict 5 dict def",
    "/_triangleleft {",
    " triangleleftdict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t0 t1 rm",		// top 
    " 0 t3 neg rl",		// bottom 
    " t2 neg t1 rl",		// left 
    " h",			// back to top 
    " t0 neg t1 neg rm",	// end at centre 
    " end",
    "} def",

    "/filledtriangleleftdict 5 dict def",
    "/_filledtriangleleft {",
    " filledtriangleleftdict begin",
    " dup 0.25 mul /t0 exch def",
    " dup 0.433013 mul /t1 exch def",
    " dup 0.75 mul /t2 exch def",
    " 0.866026 mul /t3 exch def",
    " t0 t1 rm",		// top 
    " 0 t3 neg rl",		// bottom 
    " t2 neg t1 rl",		// left 
    " h",			// back to top 
    " t0 neg t1 neg rm",	// end at centre 
    " F end",
    "} def",

    "/circdict 5 dict def",
    "/_circ {",
    " circdict begin",
    " 0.5 mul /t0 exch def",
    " currentpoint",
    " /t2 exch def",
    " /t1 exch def",
    " S n t1 t2 t0 0 360 arc",
    " t1 t2 m",
    " end",
    "} def",

    "/bulldict 3 dict def",	// stack: diameter 
    "/_bull {",
    " bulldict begin",
    " 0.5 mul /r exch def",
    " currentpoint /y exch def /x exch def",
    " S n x y r 0 360 arc h F S",
    " end",
    "} def",

    "/filledhalfmoonupdict 3 dict def",	// stack: diameter 
    "/_filledhalfmoonup {",
    " bulldict begin",
    " 0.5 mul /r exch def",
    " currentpoint /y exch def /x exch def",
    " S n x y r 0 180 arc h F S",
    " end",
    "} def",

    "/filledhalfmoondowndict 3 dict def",	// stack: diameter 
    "/_filledhalfmoondown {",
    " bulldict begin",
    " 0.5 mul /r exch def",
    " currentpoint /y exch def /x exch def",
    " S n x y r 180 360 arc h F S",
    " end",
    "} def",
    NULL
    };

#endif				// _postscpt_