\documentclass{article} \usepackage{axiom} \begin{document} \title{\$SPAD/src/graph/view2D main2d.c} \author{The Axiom Team} \maketitle \begin{abstract} \end{abstract} \eject \tableofcontents \eject \section{License} <>= /* Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of The Numerical ALgorithms Group Ltd. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ @ <<*>>= <> #define _MAIN2D_C #include "axiom-c-macros.h" #include "useproto.h" #include #include #include #include #include #include "header2.h" #include "bsdsignal.h" #include "globals2.h" #include "bsdsignal.H1" #include "all_2d.H1" #include "Gfun.H1" #include "util.H1" #include "XSpadFill.H1" /**********************/ /** global variables **/ /**********************/ Window rtWindow,viewman; Display *dsply; XFontStruct *globalFont, *buttonFont, *headerFont, *titleFont, *graphFont, *unitFont, *serverFont; GC globalGC1, globalGC2, anotherGC, globGC, trashGC, controlMessageGC, graphGC, unitGC, processGC; XGCValues gcVals; HashTable *table; Colormap colorMap; XrmDatabase rDB; /* Resource database */ char scaleXReport[5], scaleYReport[5], deltaXReport[5], deltaYReport[5], *s, errorStr[80], filename[256], /** For writing viewport data out to a file **/ *xDefault; /** used for accessing .XDefaults **/ unsigned long *spadColors; unsigned long foregroundColor, backgroundColor; int followMouse = no, viewportKeyNum = 0, scrn, Socket = 1, ack = 1, someInt, drawMore, spadMode=no, /* yes if receiving AXIOM command and calling drawViewport */ spadDraw=no, /* yes if drawing viewport because of a AXIOM command */ pointsON = yes, /* these would affect the choices in buttons.c */ connectON = yes, splineON = no, axesON = yes, unitsON = no, zoomXON = yes, zoomYON = yes, transXON = yes, transYON = yes, currentGraph = 0, /* last graph selected */ queriedGraph = 0, /* current graph queried */ picking=0, dropping=0, viewAloned, /** if not connected to AXIOM **/ mono, totalColors, totalSolid, totalDithered, maxGreyShade, totalHues, totalSolidShades, totalDitheredAndSolids, totalShades; /* totalShades is initially set to totalShadesConst (probably 8). If X cannot allocate 8 shades for each hue, totalShades is decremented. There is currently only a check for this value to be positive. ---> something to add: change over to monochrome if totalShades=0. Just modify the spadcolors.c file. spadcolors.c has been modified so that it returns the value for totalShades. Since the return value had previously been unused, a modification in this way ensures continued support of other routines calling this function (e.g. hyperDoc stuff). */ viewPoints *viewport; controlPanelStruct *control; jmp_buf jumpFlag; graphStruct graphArray[maxGraphs]; graphStateStruct graphStateArray[maxGraphs], graphStateBackupArray[maxGraphs]; xPointStruct xPointsArray[maxGraphs]; float aspectR = 1.0; /* global ps variables */ int psInit=no; /* need to call globalInitPs() each run */ GCptr GChead=NULL; /* ptr to head of ps GC linked list */ char *PSfilename, /* output file name used in user directory */ *envAXIOM; /* used as ps file pathnames */ int #ifdef _NO_PROTO main() #else main(void) #endif { XGCValues controlGCVals; int i,code; view2DStruct viewData; char property[256]; char *prop = &property[0]; char *str_type[20]; XrmValue value; /**** Set up display ****/ if ((dsply = XOpenDisplay(getenv("DISPLAY"))) == NULL) fprintf(stderr,"Could not open the display.\n"); scrn = DefaultScreen(dsply); rtWindow = RootWindow(dsply,scrn); /**** link Xwindows to viewports - X10 feature ****/ table = XCreateAssocTable(nbuckets); /**** Create AXIOM color map ****/ totalColors = XInitSpadFill(dsply,scrn,&colorMap, &totalHues,&totalSolidShades, &totalDitheredAndSolids,&totalShades); if (totalColors < 0) { fprintf(stderr,">>Error: Could not allocate all the necessary colors.\n"); exitWithAck(RootWindow(dsply,scrn),Window,-1); } mergeDatabases(); /*** Determine whether monochrome or color is used ***/ if (XrmGetResource(rDB,"Axiom.2D.monochrome","",str_type,&value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop, "off"); mono = ((totalSolid == 2) || (strcmp(prop,"on") == 0)); if (XrmGetResource(rDB,"Axiom.2D.inverse","",str_type,&value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop, "off"); if (mono) if (strcmp(prop,"on") == 0) { /* 0 if equal (inverse video) */ foregroundColor = WhitePixel(dsply,scrn); backgroundColor = BlackPixel(dsply,scrn); } else { /* off (no inverse video) */ foregroundColor = BlackPixel(dsply,scrn); backgroundColor = WhitePixel(dsply,scrn); } else /* inverse of inverse in color (for some strange reason) */ if (strcmp(prop,"on") == 0) { /* 0 if equal (inverse video) */ foregroundColor = WhitePixel(dsply,scrn); backgroundColor = BlackPixel(dsply,scrn); } else { /* off (no inverse video) */ foregroundColor = BlackPixel(dsply,scrn); backgroundColor = WhitePixel(dsply,scrn); } /* read default file name for postScript output */ if (XrmGetResource(rDB, "Axiom.2D.postscriptFile", "", str_type, &value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop, "axiom2D.ps"); PSfilename = (char *)malloc(strlen(prop)+1); strcpy(PSfilename,prop); /**** Open global fonts ****/ serverFont = XQueryFont(dsply,XGContextFromGC(DefaultGC(dsply,scrn))); if (XrmGetResource(rDB, "Axiom.2D.messageFont", "Axiom.2D.Font", str_type, &value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop,messageFontDefault); if ((globalFont = XLoadQueryFont(dsply, prop)) == NULL) { fprintf(stderr, "Warning: could not get the %s font for messageFont\n",prop); globalFont = serverFont; } if (XrmGetResource(rDB, "Axiom.2D.buttonFont", "Axiom.2D.Font", str_type, &value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop,buttonFontDefault); if ((buttonFont = XLoadQueryFont(dsply, prop)) == NULL) { fprintf(stderr, "Warning: could not get the %s font for buttonFont\n",prop); buttonFont = serverFont; } if (XrmGetResource(rDB, "Axiom.2D.headerFont", "Axiom.2D.Font", str_type, &value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop,headerFontDefault); if ((headerFont = XLoadQueryFont(dsply, prop)) == NULL) { fprintf(stderr, "Warning: could not get the %s font for headerFont\n",prop); headerFont = serverFont; } if (XrmGetResource(rDB, "Axiom.2D.titleFont", "Axiom.2D.Font", str_type,&value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop,titleFontDefault); if ((titleFont = XLoadQueryFont(dsply, prop)) == NULL) { fprintf(stderr, "Warning: could not get the %s font for titleFont\n",prop); titleFont = serverFont; } if (XrmGetResource(rDB, "Axiom.2D.graphFont", "Axiom.2D.Font", str_type,&value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop,graphFontDefault); if ((graphFont = XLoadQueryFont(dsply, prop)) == NULL) { fprintf(stderr, "Warning: could not get the %s font for graphFont\n",prop); graphFont = serverFont; } if (XrmGetResource(rDB, "Axiom.2D.unitFont", "Axiom.2D.Font", str_type,&value) == True) (void) strncpy(prop,value.addr,(int)value.size); else (void) strcpy(prop,unitFontDefault); if ((unitFont = XLoadQueryFont(dsply, prop)) == NULL) { fprintf(stderr, "Warning: could not get the %s font for unitFont\n",prop); unitFont = serverFont; } /**** Create widely used Graphic Contexts ****/ PSGlobalInit(); /* must initiate before using any G/PS functions need character name: used as postscript GC variable need to create ps GCs for all GCs used by drawings in viewWindow */ /* globalGC1 */ controlGCVals.foreground = monoColor(axesColorDefault); controlGCVals.background = backgroundColor; globalGC1 = XCreateGC(dsply,rtWindow,GCForeground | GCBackground , &controlGCVals); carefullySetFont(globalGC1,globalFont); /* create the equivalent GCs for ps */ PSCreateContext(globalGC1, "globalGC1", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* controlMessageGC */ controlGCVals.foreground = controlMessageColor; controlMessageGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(controlMessageGC,globalFont); /* globalGC2 */ controlGCVals.foreground = monoColor(labelColor); controlGCVals.background = backgroundColor; globalGC2 = XCreateGC(dsply,rtWindow,GCForeground | GCBackground, &controlGCVals); carefullySetFont(globalGC2,buttonFont); PSCreateContext(globalGC2, "globalGC2", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* trashGC */ trashGC = XCreateGC(dsply,rtWindow,0,&controlGCVals); carefullySetFont(trashGC,buttonFont); PSCreateContext(trashGC, "trashGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* globGC */ globGC = XCreateGC(dsply,rtWindow,0,&controlGCVals); carefullySetFont(globGC,headerFont); PSCreateContext(globGC, "globGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* anotherGC */ controlGCVals.line_width = colorWidth; anotherGC = XCreateGC(dsply,rtWindow,GCBackground,&controlGCVals); carefullySetFont(anotherGC,titleFont); PSCreateContext(anotherGC, "anotherGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* processGC */ gcVals.background = backgroundColor; processGC = XCreateGC(dsply,rtWindow,GCBackground ,&gcVals); carefullySetFont(processGC,buttonFont); /* graphGC */ graphGC = XCreateGC(dsply,rtWindow,GCBackground,&gcVals); carefullySetFont(graphGC,graphFont); PSCreateContext(graphGC, "graphGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* unitGC */ unitGC = XCreateGC(dsply,rtWindow,GCBackground ,&gcVals); carefullySetFont(unitGC,unitFont); PSCreateContext(unitGC, "unitGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /**** Initialize Graph States ****/ for (i=0; icontrolPanel; bsdSignal(SIGTERM,goodbye,DontRestartSystemCalls); /* send acknowledgement to viewport manager */ i = 345; check(write(Socket,&(viewport->viewWindow),sizeof(Window))); processEvents(); goodbye(-1); return(0); /* control never reaches here but compiler complains */ } /* main() */ void #ifdef _NO_PROTO mergeDatabases() #else mergeDatabases(void) #endif { /* using global rDB dsply */ XrmDatabase homeDB,serverDB,applicationDB; char filenamebuf[1024]; char *filename = &filenamebuf[0]; char *classname = "OpenAxiom"; char name[255]; (void) XrmInitialize(); (void) strcpy(name, "/usr/lib/X11/app-defaults/"); (void) strcat(name, classname); applicationDB = XrmGetFileDatabase(name); (void) XrmMergeDatabases(applicationDB, &rDB); if (XResourceManagerString(dsply) != NULL) serverDB = XrmGetStringDatabase(XResourceManagerString(dsply)); else { (void) strcpy(filename,getenv("HOME")); (void) strcat(filename,"/.Xdefaults"); serverDB = XrmGetFileDatabase(filename); } XrmMergeDatabases(serverDB,&rDB); if ( getenv ("XENVIRONMENT") == NULL) { int len; (void) strcpy(filename,getenv("HOME")); (void) strcat(filename,"/.Xdefaults-"); len = strlen(filename); (void) gethostname(filename+len,1024-len); } else (void) strcpy (filename,getenv ("XENVIRONMENT")); homeDB = XrmGetFileDatabase(filename); XrmMergeDatabases(homeDB,&rDB); } @ \eject \begin{thebibliography}{99} \bibitem{1} nothing \end{thebibliography} \end{document}