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Diffstat (limited to 'tkblt/generic/tkbltGrPSOutput.C')
| -rw-r--r-- | tkblt/generic/tkbltGrPSOutput.C | 931 |
1 files changed, 0 insertions, 931 deletions
diff --git a/tkblt/generic/tkbltGrPSOutput.C b/tkblt/generic/tkbltGrPSOutput.C deleted file mode 100644 index 01a3101..0000000 --- a/tkblt/generic/tkbltGrPSOutput.C +++ /dev/null @@ -1,931 +0,0 @@ -/* - * Smithsonian Astrophysical Observatory, Cambridge, MA, USA - * This code has been modified under the terms listed below and is made - * available under the same terms. - */ - -/* - * Copyright 1991-2004 George A Howlett. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include <stdlib.h> -#include <string.h> -#include <time.h> - -#include <cmath> - -#include "tk.h" - -// copied from tk3d.h - -typedef struct TkBorder { - Screen *screen; /* Screen on which the border will be used. */ - Visual *visual; /* Visual for all windows and pixmaps using - * the border. */ - int depth; /* Number of bits per pixel of drawables where - * the border will be used. */ - Colormap colormap; /* Colormap out of which pixels are - * allocated. */ - int resourceRefCount; /* Number of active uses of this color (each - * active use corresponds to a call to - * Tk_Alloc3DBorderFromObj or Tk_Get3DBorder). - * If this count is 0, then this structure is - * no longer valid and it isn't present in - * borderTable: it is being kept around only - * because there are objects referring to it. - * The structure is freed when objRefCount and - * resourceRefCount are both 0. */ - int objRefCount; /* The number of Tcl objects that reference - * this structure. */ - XColor *bgColorPtr; /* Background color (intensity between - * lightColorPtr and darkColorPtr). */ - XColor *darkColorPtr; /* Color for darker areas (must free when - * deleting structure). NULL means shadows - * haven't been allocated yet.*/ - XColor *lightColorPtr; /* Color used for lighter areas of border - * (must free this when deleting structure). - * NULL means shadows haven't been allocated - * yet. */ - Pixmap shadow; /* Stipple pattern to use for drawing shadows - * areas. Used for displays with <= 64 colors - * or where colormap has filled up. */ - GC bgGC; /* Used (if necessary) to draw areas in the - * background color. */ - GC darkGC; /* Used to draw darker parts of the border. - * None means the shadow colors haven't been - * allocated yet.*/ - GC lightGC; /* Used to draw lighter parts of the border. - * None means the shadow colors haven't been - * allocated yet. */ - Tcl_HashEntry *hashPtr; /* Entry in borderTable (needed in order to - * delete structure). */ - struct TkBorder *nextPtr; /* Points to the next TkBorder structure with - * the same color name. Borders with the same - * name but different screens or colormaps are - * chained together off a single entry in - * borderTable. */ -} TkBorder; - -#include "tkbltGraph.h" -#include "tkbltGrPostscript.h" -#include "tkbltGrPSOutput.h" - -using namespace Blt; - -PSOutput::PSOutput(Graph* graphPtr) -{ - graphPtr_ = graphPtr; - - Tcl_DStringInit(&dString_); -} - -PSOutput::~PSOutput() -{ - Tcl_DStringFree(&dString_); -} - -void PSOutput::printPolyline(Point2d* screenPts, int nScreenPts) -{ - Point2d* pp = screenPts; - append("newpath\n"); - format(" %g %g moveto\n", pp->x, pp->y); - - Point2d* pend; - for (pp++, pend = screenPts + nScreenPts; pp < pend; pp++) - format(" %g %g lineto\n", pp->x, pp->y); -} - -void PSOutput::printMaxPolyline(Point2d* points, int nPoints) -{ - if (nPoints <= 0) - return; - - for (int nLeft = nPoints; nLeft > 0; nLeft -= 1500) { - int length = MIN(1500, nLeft); - printPolyline(points, length); - append("DashesProc stroke\n"); - points += length; - } -} - -void PSOutput::printSegments(Segment2d* segments, int nSegments) -{ - append("newpath\n"); - - for (Segment2d *sp = segments, *send = sp + nSegments; sp < send; sp++) { - format(" %g %g moveto %g %g lineto\n", sp->p.x, sp->p.y, sp->q.x, sp->q.y); - append("DashesProc stroke\n"); - } -} - -void PSOutput::computeBBox(int width, int height) -{ - Postscript* setupPtr = graphPtr_->postscript_; - PostscriptOptions* pops = (PostscriptOptions*)setupPtr->ops_; - - // scale from points to pica - double pica = 25.4 / 72 * - WidthOfScreen(Tk_Screen(graphPtr_->tkwin_)) / - WidthMMOfScreen(Tk_Screen(graphPtr_->tkwin_)); - - double hBorder = 2*pops->xPad/pica; - double vBorder = 2*pops->yPad/pica; - int hSize = !pops->landscape ? width : height; - int vSize = !pops->landscape ? height : width; - - // If the paper size wasn't specified, set it to the graph size plus the - // paper border. - double paperWidth = pops->reqPaperWidth > 0 ? pops->reqPaperWidth/pica : - hSize + hBorder; - double paperHeight = pops->reqPaperHeight > 0 ? pops->reqPaperHeight/pica : - vSize + vBorder; - - // Scale the plot size if it's bigger than the paper - double hScale = (hSize+hBorder)>paperWidth ? (paperWidth-hBorder)/hSize - : 1.0; - double vScale = (vSize+vBorder)>paperHeight ? (paperHeight-vBorder)/vSize - : 1.0; - - double scale = MIN(hScale, vScale); - if (scale != 1.0) { - hSize = (int)(hSize*scale + 0.5); - vSize = (int)(vSize*scale + 0.5); - } - - int x = (int)((paperWidth > hSize) && pops->center ? - (paperWidth - hSize) / 2 : pops->xPad/pica); - int y = (int)((paperHeight > vSize) && pops->center ? - (paperHeight - vSize) / 2 : pops->yPad/pica); - - setupPtr->left = x; - setupPtr->bottom = y; - setupPtr->right = x + hSize - 1; - setupPtr->top = y + vSize - 1; - setupPtr->scale = scale; - setupPtr->paperHeight = (int)paperHeight; - setupPtr->paperWidth = (int)paperWidth; -} - -const char* PSOutput::getValue(int* lengthPtr) -{ - *lengthPtr = strlen(Tcl_DStringValue(&dString_)); - return Tcl_DStringValue(&dString_); -} - -void PSOutput::append(const char* string) -{ - Tcl_DStringAppend(&dString_, string, -1); -} - -void PSOutput::format(const char* fmt, ...) -{ - va_list argList; - - va_start(argList, fmt); - vsnprintf(scratchArr_, POSTSCRIPT_BUFSIZ, fmt, argList); - va_end(argList); - Tcl_DStringAppend(&dString_, scratchArr_, -1); -} - -void PSOutput::setLineWidth(int lineWidth) -{ - if (lineWidth < 1) - lineWidth = 1; - format("%d setlinewidth\n", lineWidth); -} - -void PSOutput::printRectangle(double x, double y, int width, int height) -{ - append("newpath\n"); - format(" %g %g moveto\n", x, y); - format(" %d %d rlineto\n", width, 0); - format(" %d %d rlineto\n", 0, height); - format(" %d %d rlineto\n", -width, 0); - append("closepath\n"); - append("stroke\n"); -} - -void PSOutput::fillRectangle(double x, double y, int width, int height) -{ - append("newpath\n"); - format(" %g %g moveto\n", x, y); - format(" %d %d rlineto\n", width, 0); - format(" %d %d rlineto\n", 0, height); - format(" %d %d rlineto\n", -width, 0); - append("closepath\n"); - append("fill\n"); -} - -void PSOutput::fillRectangles(Rectangle* rectangles, int nRectangles) -{ - for (Rectangle *rp = rectangles, *rend = rp + nRectangles; rp < rend; rp++) - fillRectangle((double)rp->x, (double)rp->y, (int)rp->width,(int)rp->height); -} - -void PSOutput::setBackground(XColor* colorPtr) -{ - PostscriptOptions* pops = (PostscriptOptions*)graphPtr_->postscript_->ops_; - printXColor(colorPtr); - append(" setrgbcolor\n"); - if (pops->greyscale) - append(" currentgray setgray\n"); -} - -void PSOutput::setForeground(XColor* colorPtr) -{ - PostscriptOptions* pops = (PostscriptOptions*)graphPtr_->postscript_->ops_; - printXColor(colorPtr); - append(" setrgbcolor\n"); - if (pops->greyscale) - append(" currentgray setgray\n"); -} - -void PSOutput::setBackground(Tk_3DBorder border) -{ - TkBorder* borderPtr = (TkBorder*)border; - setBackground(borderPtr->bgColorPtr); -} - -void PSOutput::setFont(Tk_Font font) -{ - Tcl_DString psdstr; - Tcl_DStringInit(&psdstr); - int psSize = Tk_PostscriptFontName(font, &psdstr); - format("%d /%s SetFont\n", psSize, Tcl_DStringValue(&psdstr)); - Tcl_DStringFree(&psdstr); -} - -void PSOutput::setLineAttributes(XColor* colorPtr,int lineWidth, - Dashes* dashesPtr, int capStyle, - int joinStyle) -{ - setJoinStyle(joinStyle); - setCapStyle(capStyle); - setForeground(colorPtr); - setLineWidth(lineWidth); - setDashes(dashesPtr); - append("/DashesProc {} def\n"); -} - -void PSOutput::fill3DRectangle(Tk_3DBorder border, double x, double y, - int width, int height, int borderWidth, - int relief) -{ - TkBorder* borderPtr = (TkBorder*)border; - - setBackground(borderPtr->bgColorPtr); - fillRectangle(x, y, width, height); - print3DRectangle(border, x, y, width, height, borderWidth, relief); -} - -void PSOutput::setClearBackground() -{ - append("1 1 1 setrgbcolor\n"); -} - -void PSOutput::setDashes(Dashes* dashesPtr) -{ - - append("[ "); - if (dashesPtr) { - for (unsigned char* vp = dashesPtr->values; *vp != 0; vp++) - format(" %d", *vp); - } - append("] 0 setdash\n"); -} - -void PSOutput::fillPolygon(Point2d *screenPts, int nScreenPts) -{ - printPolygon(screenPts, nScreenPts); - append("fill\n"); -} - -void PSOutput::setJoinStyle(int joinStyle) -{ - // miter = 0, round = 1, bevel = 2 - format("%d setlinejoin\n", joinStyle); -} - -void PSOutput::setCapStyle(int capStyle) -{ - // X11:not last = 0, butt = 1, round = 2, projecting = 3 - // PS: butt = 0, round = 1, projecting = 2 - if (capStyle > 0) - capStyle--; - - format("%d setlinecap\n", capStyle); -} - -void PSOutput::printPolygon(Point2d *screenPts, int nScreenPts) -{ - Point2d* pp = screenPts; - append("newpath\n"); - format(" %g %g moveto\n", pp->x, pp->y); - - Point2d* pend; - for (pp++, pend = screenPts + nScreenPts; pp < pend; pp++) - format(" %g %g lineto\n", pp->x, pp->y); - - format(" %g %g lineto\n", screenPts[0].x, screenPts[0].y); - append("closepath\n"); -} - -void PSOutput::print3DRectangle(Tk_3DBorder border, double x, double y, - int width, int height, int borderWidth, - int relief) -{ - int twiceWidth = (borderWidth * 2); - if ((width < twiceWidth) || (height < twiceWidth)) - return; - - TkBorder* borderPtr = (TkBorder*)border; - - // Handle grooves and ridges with recursive calls - if ((relief == TK_RELIEF_GROOVE) || (relief == TK_RELIEF_RIDGE)) { - int halfWidth = borderWidth / 2; - int insideOffset = borderWidth - halfWidth; - print3DRectangle(border, (double)x, (double)y, width, height, halfWidth, - (relief == TK_RELIEF_GROOVE) ? - TK_RELIEF_SUNKEN : TK_RELIEF_RAISED); - print3DRectangle(border, (double)(x + insideOffset), - (double)(y + insideOffset), width - insideOffset * 2, - height - insideOffset * 2, halfWidth, - (relief == TK_RELIEF_GROOVE) ? - TK_RELIEF_RAISED : TK_RELIEF_SUNKEN); - return; - } - - XColor* lightPtr = borderPtr->lightColorPtr; - XColor* darkPtr = borderPtr->darkColorPtr; - XColor light; - if (!lightPtr) { - light.red = 0x00; - light.blue = 0x00; - light.green = 0x00; - lightPtr = &light; - } - XColor dark; - if (!darkPtr) { - dark.red = 0x00; - dark.blue = 0x00; - dark.green = 0x00; - darkPtr = &dark; - } - - XColor* topPtr, *bottomPtr; - if (relief == TK_RELIEF_RAISED) { - topPtr = lightPtr; - bottomPtr = darkPtr; - } - else if (relief == TK_RELIEF_SUNKEN) { - topPtr = darkPtr; - bottomPtr = lightPtr; - } - else if (relief == TK_RELIEF_SOLID) { - topPtr = lightPtr; - bottomPtr = lightPtr; - } - else { - topPtr = borderPtr->bgColorPtr; - bottomPtr = borderPtr->bgColorPtr; - } - - setBackground(bottomPtr); - fillRectangle(x, y + height - borderWidth, width, borderWidth); - fillRectangle(x + width - borderWidth, y, borderWidth, height); - - Point2d points[7]; - points[0].x = points[1].x = points[6].x = x; - points[0].y = points[6].y = y + height; - points[1].y = points[2].y = y; - points[2].x = x + width; - points[3].x = x + width - borderWidth; - points[3].y = points[4].y = y + borderWidth; - points[4].x = points[5].x = x + borderWidth; - points[5].y = y + height - borderWidth; - if (relief != TK_RELIEF_FLAT) - setBackground(topPtr); - - fillPolygon(points, 7); -} - -void PSOutput::printXColor(XColor* colorPtr) -{ - format("%g %g %g", - ((double)(colorPtr->red >> 8) / 255.0), - ((double)(colorPtr->green >> 8) / 255.0), - ((double)(colorPtr->blue >> 8) / 255.0)); -} - -int PSOutput::preamble(const char* fileName) -{ - Postscript* setupPtr = graphPtr_->postscript_; - PostscriptOptions* ops = (PostscriptOptions*)setupPtr->ops_; - - if (!fileName) - fileName = Tk_PathName(graphPtr_->tkwin_); - - // Comments - append("%!PS-Adobe-3.0 EPSF-3.0\n"); - - // The "BoundingBox" comment is required for EPS files. The box - // coordinates are integers, so we need round away from the center of the - // box. - format("%%%%BoundingBox: %d %d %d %d\n", - setupPtr->left, setupPtr->paperHeight - setupPtr->top, - setupPtr->right, setupPtr->paperHeight - setupPtr->bottom); - - append("%%Pages: 0\n"); - - format("%%%%Creator: (%s %s %s)\n", PACKAGE_NAME, PACKAGE_VERSION, - Tk_Class(graphPtr_->tkwin_)); - - time_t ticks = time((time_t *) NULL); - char date[200]; - strcpy(date, ctime(&ticks)); - char* newline = date + strlen(date) - 1; - if (*newline == '\n') - *newline = '\0'; - - format("%%%%CreationDate: (%s)\n", date); - format("%%%%Title: (%s)\n", fileName); - append("%%DocumentData: Clean7Bit\n"); - if (ops->landscape) - append("%%Orientation: Landscape\n"); - else - append("%%Orientation: Portrait\n"); - - append("%%DocumentNeededResources: font Helvetica Courier\n"); - addComments(ops->comments); - append("%%EndComments\n\n"); - - // Prolog - prolog(); - - // Setup - append("%%BeginSetup\n"); - append("gsave\n"); - append("1 setlinewidth\n"); - append("1 setlinejoin\n"); - append("0 setlinecap\n"); - append("[] 0 setdash\n"); - append("0 0 0 setrgbcolor\n"); - - if (ops->footer) { - const char* who = getenv("LOGNAME"); - if (!who) - who = "???"; - - append("8 /Helvetica SetFont\n"); - append("10 30 moveto\n"); - format("(Date: %s) show\n", date); - append("10 20 moveto\n"); - format("(File: %s) show\n", fileName); - append("10 10 moveto\n"); - format("(Created by: %s@%s) show\n", who, Tcl_GetHostName()); - append("0 0 moveto\n"); - } - - // Set the conversion from postscript to X11 coordinates. Scale pica to - // pixels and flip the y-axis (the origin is the upperleft corner). - // Papersize is in pixels. Translate the new origin *after* changing the scale - append("% Transform coordinate system to use X11 coordinates\n"); - append("% 1. Flip y-axis over by reversing the scale,\n"); - append("% 2. Translate the origin to the other side of the page,\n"); - append("% making the origin the upper left corner\n"); - append("1 -1 scale\n"); - format("0 %d translate\n", -setupPtr->paperHeight); - - // Set Origin - format("%% Set origin\n%d %d translate\n\n", setupPtr->left,setupPtr->bottom); - if (ops->landscape) - format("%% Landscape orientation\n0 %g translate\n-90 rotate\n", - ((double)graphPtr_->width_ * setupPtr->scale)); - - append("\n%%EndSetup\n\n"); - - return TCL_OK; -} - -void PSOutput::addComments(const char** comments) -{ - if (!comments) - return; - - for (const char** pp = comments; *pp; pp+=2) { - if (*(pp+1) == NULL) - break; - format("%% %s: %s\n", *pp, *(pp+1)); - } -} - -unsigned char PSOutput::reverseBits(unsigned char byte) -{ - byte = ((byte >> 1) & 0x55) | ((byte << 1) & 0xaa); - byte = ((byte >> 2) & 0x33) | ((byte << 2) & 0xcc); - byte = ((byte >> 4) & 0x0f) | ((byte << 4) & 0xf0); - return byte; -} - -void PSOutput::byteToHex(unsigned char byte, char* string) -{ - static char hexDigits[] = "0123456789ABCDEF"; - - string[0] = hexDigits[byte >> 4]; - string[1] = hexDigits[byte & 0x0F]; -} - -void PSOutput::prolog() -{ - append( -"%%BeginProlog\n" -"%\n" -"% PostScript prolog file of the BLT graph widget.\n" -"%\n" -"% Copyright 1989-1992 Regents of the University of California.\n" -"% Permission to use, copy, modify, and distribute this\n" -"% software and its documentation for any purpose and without\n" -"% fee is hereby granted, provided that the above copyright\n" -"% notice appear in all copies. The University of California\n" -"% makes no representations about the suitability of this\n" -"% software for any purpose. It is provided 'as is' without\n" -"% express or implied warranty.\n" -"%\n" -"% Copyright 1991-1997 Bell Labs Innovations for Lucent Technologies.\n" -"%\n" -"% Permission to use, copy, modify, and distribute this software and its\n" -"% documentation for any purpose and without fee is hereby granted, provided\n" -"% that the above copyright notice appear in all copies and that both that the\n" -"% copyright notice and warranty disclaimer appear in supporting documentation,\n" -"% and that the names of Lucent Technologies any of their entities not be used\n" -"% in advertising or publicity pertaining to distribution of the software\n" -"% without specific, written prior permission.\n" -"%\n" -"% Lucent Technologies disclaims all warranties with regard to this software,\n" -"% including all implied warranties of merchantability and fitness. In no event\n" -"% shall Lucent Technologies be liable for any special, indirect or\n" -"% consequential damages or any damages whatsoever resulting from loss of use,\n" -"% data or profits, whether in an action of contract, negligence or other\n" -"% tortuous action, arising out of or in connection with the use or performance\n" -"% of this software.\n" -"%\n" -"\n" -"200 dict begin\n" -"\n" -"/BaseRatio 1.3467736870885982 def % Ratio triangle base / symbol size\n" -"/DrawSymbolProc 0 def % Routine to draw symbol outline/fill\n" -"/DashesProc 0 def % Dashes routine (line segments)\n" -"\n" -"% Define the array ISOLatin1Encoding (which specifies how characters are \n" -"% encoded for ISO-8859-1 fonts), if it isn't already present (Postscript \n" -"% level 2 is supposed to define it, but level 1 doesn't). \n" -"\n" -"systemdict /ISOLatin1Encoding known not { \n" -" /ISOLatin1Encoding [ \n" -" /space /space /space /space /space /space /space /space \n" -" /space /space /space /space /space /space /space /space \n" -" /space /space /space /space /space /space /space /space \n" -" /space /space /space /space /space /space /space /space \n" -" /space /exclam /quotedbl /numbersign /dollar /percent /ampersand \n" -" /quoteright \n" -" /parenleft /parenright /asterisk /plus /comma /minus /period /slash \n" -" /zero /one /two /three /four /five /six /seven \n" -" /eight /nine /colon /semicolon /less /equal /greater /question \n" -" /at /A /B /C /D /E /F /G \n" -" /H /I /J /K /L /M /N /O \n" -" /P /Q /R /S /T /U /V /W \n" -" /X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore \n" -" /quoteleft /a /b /c /d /e /f /g \n" -" /h /i /j /k /l /m /n /o \n" -" /p /q /r /s /t /u /v /w \n" -" /x /y /z /braceleft /bar /braceright /asciitilde /space \n" -" /space /space /space /space /space /space /space /space \n" -" /space /space /space /space /space /space /space /space \n" -" /dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent \n" -" /dieresis /space /ring /cedilla /space /hungarumlaut /ogonek /caron \n" -" /space /exclamdown /cent /sterling /currency /yen /brokenbar /section \n" -" /dieresis /copyright /ordfeminine /guillemotleft /logicalnot /hyphen \n" -" /registered /macron \n" -" /degree /plusminus /twosuperior /threesuperior /acute /mu /paragraph \n" -" /periodcentered \n" -" /cedillar /onesuperior /ordmasculine /guillemotright /onequarter \n" -" /onehalf /threequarters /questiondown \n" -" /Agrave /Aacute /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla \n" -" /Egrave /Eacute /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex \n" -" /Idieresis \n" -" /Eth /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply \n" -" /Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn \n" -" /germandbls \n" -" /agrave /aacute /acircumflex /atilde /adieresis /aring /ae /ccedilla \n" -" /egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex \n" -" /idieresis \n" -" /eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide \n" -" /oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn \n" -" /ydieresis \n" -" ] def \n" -"} if \n" -"\n" -"% font ISOEncode font \n" -"% This procedure changes the encoding of a font from the default \n" -"% Postscript encoding to ISOLatin1. It is typically invoked just \n" -"% before invoking 'setfont'. The body of this procedure comes from \n" -"% Section 5.6.1 of the Postscript book. \n" -"\n" -"/ISOEncode { \n" -" dup length dict\n" -" begin \n" -" {1 index /FID ne {def} {pop pop} ifelse} forall \n" -" /Encoding ISOLatin1Encoding def \n" -" currentdict \n" -" end \n" -"\n" -" % I'm not sure why it's necessary to use 'definefont' on this new \n" -" % font, but it seems to be important; just use the name 'Temporary' \n" -" % for the font. \n" -"\n" -" /Temporary exch definefont \n" -"} bind def \n" -"\n" -"/Stroke {\n" -" gsave\n" -" stroke\n" -" grestore\n" -"} def\n" -"\n" -"/Fill {\n" -" gsave\n" -" fill\n" -" grestore\n" -"} def\n" -"\n" -"/SetFont { \n" -" % Stack: pointSize fontName\n" -" findfont exch scalefont ISOEncode setfont\n" -"} def\n" -"\n" -"/Box {\n" -" % Stack: x y width height\n" -" newpath\n" -" exch 4 2 roll moveto\n" -" dup 0 rlineto\n" -" exch 0 exch rlineto\n" -" neg 0 rlineto\n" -" closepath\n" -"} def\n" -"\n" -"/LS { % Stack: x1 y1 x2 y2\n" -" newpath \n" -" 4 2 roll moveto \n" -" lineto \n" -" closepath\n" -" stroke\n" -"} def\n" -"\n" -"/baselineSampler ( TXygqPZ) def\n" -"% Put an extra-tall character in; done this way to avoid encoding trouble\n" -"baselineSampler 0 196 put\n" -"\n" -"/cstringshow {\n" -" {\n" -" dup type /stringtype eq\n" -" { show } { glyphshow }\n" -" ifelse\n" -" } forall\n" -"} bind def\n" -"\n" -"/cstringwidth {\n" -" 0 exch 0 exch\n" -" {\n" -" dup type /stringtype eq\n" -" { stringwidth } {\n" -" currentfont /Encoding get exch 1 exch put (\001)\n" -" stringwidth\n" -" }\n" -" ifelse\n" -" exch 3 1 roll add 3 1 roll add exch\n" -" } forall\n" -"} bind def\n" -"\n" -"/DrawText {\n" -" gsave\n" -" /justify exch def\n" -" /yoffset exch def\n" -" /xoffset exch def\n" -" /strings exch def\n" -" % Compute the baseline offset and the actual font height.\n" -" 0 0 moveto baselineSampler false charpath\n" -" pathbbox dup /baseline exch def\n" -" exch pop exch sub /height exch def pop\n" -" newpath\n" -" % overall width\n" -" /ww 0 def\n" -" strings {\n" -" cstringwidth pop\n" -" dup ww gt {/ww exch def} {pop} ifelse\n" -" newpath\n" -" } forall\n" -" % overall height\n" -" /hh 0 def\n" -" strings length height mul /hh exch def\n" -" newpath\n" -" % Translate to x,y\n" -" translate\n" -" % Translate to offset\n" -" ww xoffset mul hh yoffset mul translate\n" -" % rotate\n" -" ww 2 div hh 2 div translate\n" -" neg rotate\n" -" ww -2 div hh -2 div translate\n" -" % Translate to justify and baseline\n" -" justify ww mul baseline translate\n" -" % For each line, justify and display\n" -" strings {\n" -" dup cstringwidth pop\n" -" justify neg mul 0 moveto\n" -" gsave\n" -" 1 -1 scale\n" -" cstringshow\n" -" grestore\n" -" 0 height translate\n" -" } forall\n" -" grestore\n" -"} bind def \n" -"\n" -"% Symbols:\n" -"\n" -"% Skinny-cross\n" -"/Sc {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 -2 roll translate 45 rotate\n" -" 0 0 3 -1 roll Sp\n" -" grestore\n" -"} def\n" -"\n" -"% Skinny-plus\n" -"/Sp {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 -2 roll translate\n" -" 2 div\n" -" dup 2 copy\n" -" newpath \n" -" neg 0 \n" -" moveto 0 \n" -" lineto\n" -" DrawSymbolProc\n" -" newpath \n" -" neg 0 \n" -" exch moveto 0 \n" -" exch lineto\n" -" DrawSymbolProc\n" -" grestore\n" -"} def\n" -"\n" -"% Cross\n" -"/Cr {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 -2 roll translate 45 rotate\n" -" 0 0 3 -1 roll Pl\n" -" grestore\n" -"} def\n" -"\n" -"% Plus\n" -"/Pl {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 -2 roll translate\n" -" dup 2 div\n" -" exch 6 div\n" -"\n" -" %\n" -" % 2 3 The plus/cross symbol is a\n" -" % closed polygon of 12 points.\n" -" % 0 1 4 5 The diagram to the left\n" -" % x,y represents the positions of\n" -" % 11 10 7 6 the points which are computed\n" -" % below.\n" -" % 9 8\n" -" %\n" -"\n" -" newpath\n" -" 2 copy exch neg exch neg moveto \n" -" dup neg dup lineto\n" -" 2 copy neg exch neg lineto\n" -" 2 copy exch neg lineto\n" -" dup dup neg lineto \n" -" 2 copy neg lineto 2 copy lineto\n" -" dup dup lineto \n" -" 2 copy exch lineto \n" -" 2 copy neg exch lineto\n" -" dup dup neg exch lineto \n" -" exch neg exch lineto\n" -" closepath\n" -" DrawSymbolProc\n" -" grestore\n" -"} def\n" -"\n" -"% Circle\n" -"/Ci {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 copy pop moveto \n" -" newpath\n" -" 2 div 0 360 arc\n" -" closepath \n" -" DrawSymbolProc\n" -" grestore\n" -"} def\n" -"\n" -"% Square\n" -"/Sq {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" dup dup 2 div dup\n" -" 6 -1 roll exch sub exch\n" -" 5 -1 roll exch sub 4 -2 roll Box\n" -" DrawSymbolProc\n" -" grestore\n" -"} def\n" -"\n" -"% Line\n" -"/Li {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 1 roll exch 3 -1 roll 2 div 3 copy\n" -" newpath\n" -" sub exch moveto \n" -" add exch lineto\n" -" closepath\n" -" stroke\n" -" grestore\n" -"} def\n" -"\n" -"% Diamond\n" -"/Di {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 1 roll translate 45 rotate 0 0 3 -1 roll Sq\n" -" grestore\n" -"} def\n" -" \n" -"% Triangle\n" -"/Tr {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 -2 roll translate\n" -" BaseRatio mul 0.5 mul % Calculate 1/2 base\n" -" dup 0 exch 30 cos mul % h1 = height above center point\n" -" neg % b2 0 -h1\n" -" newpath \n" -" moveto % point 1; b2\n" -" dup 30 sin 30 cos div mul % h2 = height below center point\n" -" 2 copy lineto % point 2; b2 h2\n" -" exch neg exch lineto % \n" -" closepath\n" -" DrawSymbolProc\n" -" grestore\n" -"} def\n" -"\n" -"% Arrow\n" -"/Ar {\n" -" % Stack: x y symbolSize\n" -" gsave\n" -" 3 -2 roll translate\n" -" BaseRatio mul 0.5 mul % Calculate 1/2 base\n" -" dup 0 exch 30 cos mul % h1 = height above center point\n" -" % b2 0 h1\n" -" newpath moveto % point 1; b2\n" -" dup 30 sin 30 cos div mul % h2 = height below center point\n" -" neg % -h2 b2\n" -" 2 copy lineto % point 2; b2 h2\n" -" exch neg exch lineto % \n" -" closepath\n" -" DrawSymbolProc\n" -" grestore\n" -"} def\n" -"\n" -"%%EndProlog\n" -); -} |