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-\documentclass{article}
-\usepackage{axiom}
-\begin{document}
-\title{\$SPAD/src/graph/view2D graph2d.c}
-\author{The Axiom Team}
-\maketitle
-\begin{abstract}
-\end{abstract}
-\eject
-\tableofcontents
-\eject
-\section{License}
-<<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.
-*/
-@
-<<*>>=
-<<license>>
-
-#define _GRAPH2D_C
-#include "axiom-c-macros.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#include "header2.h"
-
-#include "all_2d.H1"
-#include "util.H1"
-
-
-void
-#ifdef _NO_PROTO
-getGraphFromViewman(i)
-int i;
-#else
-getGraphFromViewman(int i)
-#endif
-{
- /** This routine should be called right after a read of the graph key
- was made from the viewport manager (or defined in some other way). **/
-
- int j,k,xPointsNeeded;
- pointListStruct *llPtr;
- pointStruct *p;
-
- readViewman(&(graphArray[i].xmin),floatSize);
- readViewman(&(graphArray[i].xmax),floatSize);
- readViewman(&(graphArray[i].ymin),floatSize);
- readViewman(&(graphArray[i].ymax),floatSize);
- readViewman(&(graphArray[i].xNorm),floatSize);
- readViewman(&(graphArray[i].yNorm),floatSize);
- readViewman(&(graphArray[i].spadUnitX),floatSize);
- readViewman(&(graphArray[i].spadUnitY),floatSize);
- readViewman(&(graphArray[i].unitX),floatSize);
- readViewman(&(graphArray[i].unitY),floatSize);
- readViewman(&(graphArray[i].originX),floatSize);
- readViewman(&(graphArray[i].originY),floatSize);
- readViewman(&(graphArray[i].numberOfLists),intSize);
-
- if (!(llPtr = (pointListStruct *)malloc(graphArray[i].numberOfLists * sizeof(pointListStruct)))) {
- fprintf(stderr,"VIEW2D: Fatal Error>> Ran out of memory trying to receive a graph.\n");
- exitWithAck(RootWindow(dsply,scrn),Window,-1);
- }
- graphArray[i].listOfListsOfPoints = llPtr;
-
- xPointsNeeded = 0;
- for (j=0; j<graphArray[i].numberOfLists; j++) {
- readViewman(&(llPtr->numberOfPoints),intSize);
- if (!(p = (pointStruct *)malloc(llPtr->numberOfPoints * sizeof(pointStruct)))) {
- fprintf(stderr,"VIEW2D: (pointStruct) ran out of memory trying to create a new graph.\n");
- exitWithAck(RootWindow(dsply,scrn),Window,-1);
- }
- llPtr->listOfPoints = p; /** point to current point list **/
- for (k=0; k<llPtr->numberOfPoints; k++) {
- readViewman(&(p->x),floatSize);
- readViewman(&(p->y),floatSize);
- readViewman(&(p->hue),floatSize);
- readViewman(&(p->shade),floatSize);
- p++;
- } /* for k in list of points */
- readViewman(&(llPtr->pointColor),intSize);
- readViewman(&(llPtr->lineColor),intSize);
- readViewman(&(llPtr->pointSize),intSize);
-
- xPointsNeeded += llPtr->numberOfPoints;
- llPtr++;
- } /* for j in list of lists of points */
-
- /* read in graph state for the existing graph (override default values) */
- readViewman(&(graphStateArray[i].scaleX),floatSize);
- readViewman(&(graphStateArray[i].scaleY),floatSize);
- readViewman(&(graphStateArray[i].deltaX),floatSize);
- readViewman(&(graphStateArray[i].deltaY),floatSize);
- readViewman(&(graphStateArray[i].pointsOn),intSize);
- readViewman(&(graphStateArray[i].connectOn),intSize);
- readViewman(&(graphStateArray[i].splineOn),intSize);
- readViewman(&(graphStateArray[i].axesOn),intSize);
- readViewman(&(graphStateArray[i].axesColor),intSize);
- readViewman(&(graphStateArray[i].unitsOn),intSize);
- readViewman(&(graphStateArray[i].unitsColor),intSize);
- readViewman(&(graphStateArray[i].showing),intSize);
- graphStateArray[i].selected = yes;
- graphStateBackupArray[i] = graphStateArray[i];
-
- graphStateArray[i].deltaX = graphStateArray[0].deltaX;
- graphStateArray[i].deltaY = graphStateArray[0].deltaY;
- graphStateArray[i].scaleX = graphStateArray[0].scaleX;
- graphStateArray[i].scaleY = graphStateArray[0].scaleY;
-
- /* allocate memory for xPoints (used in drawViewport) */
- if (!(xPointsArray[i].xPoint = (XPoint *)malloc(xPointsNeeded * sizeof(XPoint)))) {
- fprintf(stderr,"VIEW2D: (XPoint) Ran out of memory (malloc) trying to create a new graph.\n");
- exitWithAck(RootWindow(dsply,scrn),Window,-1);
- }
- if (!(xPointsArray[i].x10Point = (Vertex *)malloc(xPointsNeeded * sizeof(Vertex)))) {
- fprintf(stderr,
- "VIEW2D: (X10Point) Ran out of memory (malloc) trying to create a new graph.\n");
- exitWithAck(RootWindow(dsply,scrn),Window,-1);
- }
- if (!(xPointsArray[i].arc = (XArc *)malloc(xPointsNeeded * sizeof(XArc)))) {
- fprintf(stderr,"VIEW2D: (XArc) Ran out of memory (malloc) trying to create a new graph.\n");
- exitWithAck(RootWindow(dsply,scrn),Window,-1);
- }
-
-} /* getGraphFromViewman */
-
-
-
-void
-#ifdef _NO_PROTO
-freeGraph(i)
-int i;
-#else
-freeGraph(int i)
-#endif
-{
- int j;
- pointListStruct *llPtr;
-
- if (graphArray[i].key) {
- graphArray[i].key = 0; /* 0 means no graph */
- for (j=0,llPtr=graphArray[i].listOfListsOfPoints;
- j<graphArray[i].numberOfLists; j++,llPtr++)
- free(llPtr->listOfPoints);
- free(llPtr);
- free(xPointsArray[i].xPoint);
- } else {
- }
-
-}
-@
-\eject
-\begin{thebibliography}{99}
-\bibitem{1} nothing
-\end{thebibliography}
-\end{document}