===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/plot/smoothing.c,v
retrieving revision 1.1
retrieving revision 1.8
diff -u -p -r1.1 -r1.8
--- OpenXM_contrib2/asir2000/plot/smoothing.c	2000/10/15 06:56:53	1.1
+++ OpenXM_contrib2/asir2000/plot/smoothing.c	2002/07/20 02:28:08	1.8
@@ -1,4 +1,4 @@
-/* $OpenXM$ */
+/* $OpenXM: OpenXM_contrib2/asir2000/plot/smoothing.c,v 1.7 2002/07/11 12:35:03 takayama Exp $ */
 #include "ca.h"
 #include "parse.h"
 #include "ox.h"
@@ -9,22 +9,10 @@
 #define PRINT_XOFFSET   100
 #define PRINT_YOFFSET   100
 
-struct polyLine {
-  int numberOfSegments;
-  int limit;
-  int *x;
-  int *y;
-};
 
 static FILE *Fp = NULL;
 
-static void *gcmalloc(int a);
-static struct polyLine *polyLine_new(void);
-static struct polyLine *polyLine_addNewSegment(struct polyLine *pl,
-											   int x,int y);
-static int polyLine_lastY(struct polyLine *pl);
-static void polyLine_outputPS(struct polyLine *pl);
-static void polyLine_outputProlog(int xmin, int ymin, int xmax, int ymax);
+static void polyLine_outputProlog(int xmin, int ymin, int xmax, int ymax, int upsidedown);
 static void polyLine_outputEpilog(void);
 static void polyLine_error(char *s);
 #define translateX(x)  (x*MAG+PRINT_XOFFSET)
@@ -35,83 +23,15 @@ static void polyLine_error(char *s);
 #define YES 1
 #define NO  0
 
-
 static int Xsize = 0;
 static int Ysize = 0;
-static int updatePolyLine(struct polyLine *pl[], int plSize,
-				   int prev[], int Curr[], int x);
 
-static void *gcmalloc(a)  {
-  void *m;
-  /* BUG:  interruption must be locked. */
-  m = (void *) GC_malloc(a);
-  if (m == NULL) polyLine_error("no memory");
-  return(m);
-}
+static void polyLine_outputPS_dashed_line(int x0,int y0,int x1,int y1);
+static int polyLine_pline(struct canvas *can);
+static int Strategy_generate_PS = 0;
 
-#define MINIMAL_POLYLINE_SIZE  10
-static struct polyLine *polyLine_new_with_size(int size) {
-  struct polyLine *pl;
-  pl = (struct polyLine *)gcmalloc(sizeof(struct polyLine));
-  pl-> limit = (size > 0? size: 1);
-  pl-> numberOfSegments = 0;
-  pl->x = (int *)gcmalloc(sizeof(int)*(pl->limit));
-  pl->y = (int *)gcmalloc(sizeof(int)*(pl->limit));
-  return(pl);
-}
 
-static struct polyLine *polyLine_new(void) {
-  return( polyLine_new_with_size(MINIMAL_POLYLINE_SIZE));
-}
-
-static struct polyLine *polyLine_addNewSegment(struct polyLine *pl,
-												int x,int y) {
-  int n,limit,i;
-  struct polyLine *new_pl;
-  limit = pl->limit;
-  n = pl->numberOfSegments;
-  if (n >= limit) {
-	new_pl = polyLine_new_with_size( 2*limit );
-	new_pl -> numberOfSegments = pl->numberOfSegments;
-	for (i=0; i<pl->numberOfSegments; i++) {
-	  new_pl->x[i] = pl->x[i];
-	  new_pl->y[i] = pl->y[i];
-	}
-	pl = new_pl;
-  }
-  pl->numberOfSegments++;
-  pl->x[n] = x;
-  pl->y[n] = y;
-  return(pl);
-}
-
-static int polyLine_lastY(struct polyLine *pl) {
-  int n;
-  n = pl->numberOfSegments;
-  if (n == 0) {
-	polyLine_error("polyLine_lastY:  empty polyLine.");
-  }
-  return(pl->y[n-1]);
-}
-
-
-static void polyLine_outputPS(struct polyLine *pl) {
-  int n,i;
-  n = pl->numberOfSegments;
-  if (n == 1) {
-	fprintf(Fp," %d %d ifplot_putpixel\n",translateX(pl->x[0]),translateY(pl->y[0]));
-  }else if (n > 1) {
-	fprintf(Fp," newpath ");
-	for (i=0; i<n; i++) {
-	  fprintf(Fp," %d %d ",translateX(pl->x[i]),translateY(pl->y[i]));
-	  if (i==0) fprintf(Fp," moveto ");
-	  else fprintf(Fp," lineto ");
-	}
-	fprintf(Fp," stroke\n");
-  }
-  fflush(Fp);
-}
-static void polyLine_outputProlog(int xmin, int ymin,int xmax, int ymax) {
+static void polyLine_outputProlog(int xmin, int ymin,int xmax, int ymax, int upsidedown) {
   fprintf(Fp,"%%!PS-Adobe-1.0\n");
   fprintf(Fp,"%%%%BoundingBox: %d %d %d %d \n",
 		  PRINT_XOFFSET+xmin*MAG,PRINT_YOFFSET+ymin*MAG,
@@ -119,6 +39,11 @@ static void polyLine_outputProlog(int xmin, int ymin,i
   fprintf(Fp,"%%%%Creator: This is generated by ifplot\n");
   fprintf(Fp,"%%%%Title: ifplot\n");
   fprintf(Fp,"%%%%EndComments: \n");
+  if ( upsidedown )
+	fprintf(Fp,"[1 0 0 -1 0 %d] concat \n",2*PRINT_YOFFSET+(ymin+ymax)*MAG);
+  fprintf(Fp,"0.1 setlinewidth \n");
+  fprintf(Fp,"2 setlinecap \n");
+  fprintf(Fp,"2 setlinejoin \n");
   fprintf(Fp,"/ifplot_putpixel {  \n");
   fprintf(Fp,"    /yyy 2 1 roll def /xxx 2 1 roll def \n");
   fprintf(Fp,"    gsave newpath xxx yyy .5 0 360 arc \n");
@@ -127,167 +52,113 @@ static void polyLine_outputProlog(int xmin, int ymin,i
   fflush(Fp);
 }
 static void polyLine_outputEpilog(void) {
+  fprintf(Fp,"0 0 0 setrgbcolor \n");
   fprintf(Fp,"showpage \n"); fflush(Fp);
 }
 static void polyLine_error(char *s) {
   fprintf(stderr,"Error in smoothing: %s\n",s);
   exit(-1);
 }
-static int updatePolyLine(struct polyLine *pl[], int plSize,
-						  int prev[], int curr[],int x) {
-  /*  1 <= y <= Ysize ,  curr[0], curr[Ysize+1]  = 0 ,  i=y .
-	  prev = {-1, -1, -1, 0, 1, -1, 2, -1}  -1: no polyLine. 0:pl[0], 1:pl[1],
-	  curr = {0,  1,  0,  1, 1, 1,  0, 0}    0: no dot, 1: dot.
-  */
-  /* Return Value:  plSize, pl, prev */
-  int i;
-  static int *prevHasNext = NULL;
-  static struct polyLine **tmpPl = NULL;
-  static struct polyLine **newPl = NULL;
-  int tmpPlSize = 0;
-  static int *tmpPrev = NULL;
-  int newPlSize = 0;
-  extern int Ysize;
-  if (prevHasNext == NULL) prevHasNext = (int *)gcmalloc(sizeof(int)*(Ysize+2));
-  if (tmpPl == NULL)
-	tmpPl = (struct polyLine **)gcmalloc(sizeof(struct polyLine *)*(Ysize+2));
-  if (newPl == NULL)
-	newPl = (struct polyLine **)gcmalloc(sizeof(struct polyLine *)*(Ysize+2));
-  if (tmpPrev == NULL) tmpPrev = (int *)gcmalloc(sizeof(int)*(Ysize+2));
-  for (i=0; i<Ysize+2; i++) {
-	prevHasNext[i] = NO; newPl[i] = NULL; tmpPl[i] = NULL;
-	tmpPrev[i] = -1;
-  }
-  prev[0] = prev[Ysize+1] = -1;
-  for (i=1; i <= Ysize; i++) {
-	if (curr[i] IS_DOT) {
-	  if (prev[i-1] IS_POLYLINE && !prevHasNext[i-1]) {
-		pl[prev[i-1]] = polyLine_addNewSegment(pl[prev[i-1]],x,i);
-		prevHasNext[i-1] = YES;
-	  }else if (prev[i] IS_POLYLINE && !prevHasNext[i]) {
-		pl[prev[i]] = polyLine_addNewSegment(pl[prev[i]],x,i);
-		prevHasNext[i] = YES;
-	  }else if (prev[i+1] IS_POLYLINE && !prevHasNext[i+1]) {
-		pl[prev[i+1]] = polyLine_addNewSegment(pl[prev[i+1]],x,i);
-		prevHasNext[i+1] = YES;
-	  }else{
-		newPl[newPlSize] = polyLine_new();
-		newPl[newPlSize] = polyLine_addNewSegment(newPl[newPlSize],x,i);
-		newPlSize++;
-	  }
-	}
-  }
-  for (i=1; i<=Ysize; i++) {
-	if (prevHasNext[i] == NO && prev[i] IS_POLYLINE) {
-	  polyLine_outputPS(pl[prev[i]]);
-	}
-  }
 
-  /* generate new pl and new prev */
-  tmpPlSize = 0; tmpPrev[0] = tmpPrev[Ysize+1] = -1;
-  for (i = 1; i<=Ysize; i++) {
-	if (prevHasNext[i] == YES) {
-	  tmpPl[tmpPlSize] = pl[prev[i]];
-	  tmpPrev[polyLine_lastY(pl[prev[i]])] = tmpPlSize;
-	  tmpPlSize++;
-	}
-  }
-  for (i=0; i<newPlSize; i++) {
-	tmpPl[tmpPlSize] = newPl[i];
-	tmpPrev[polyLine_lastY(newPl[i])] = tmpPlSize;
-	tmpPlSize++;
-  }
-
-  /* copy and update for the next step.  */
-  for (i=0; i< Ysize+2; i++) {
-	prev[i] = tmpPrev[i];
-  }
-  for (i=0; i<tmpPlSize; i++) {
-	pl[i] = tmpPl[i];
-  }
-  return(tmpPlSize);
+static void polyLine_outputPS_dashed_line(int x0,int y0,int x1,int y1) {
+  extern FILE *Fp;
+  fprintf(Fp," gsave [3] 0 setdash newpath \n");
+  fprintf(Fp," %d %d moveto %d %d lineto stroke \n",x0,y0,x1,y1);
+  fprintf(Fp," stroke grestore \n");
 }
 
-/*
-#define TEST_YSIZE 12
-#define TEST_XSIZE 5
-generatePS_from_image(FILE *fp) {
-  int image_test[TEST_XSIZE][TEST_YSIZE] =
-                          {{0,0,1,0,0,0,0,0,0,0,0,0},
-                           {0,1,0,1,0,0,0,0,0,1,0,0},
-                           {0,1,0,1,1,0,0,0,1,0,1,0},
-                           {0,0,1,0,0,0,0,0,0,1,0,1},
-                           {0,0,0,0,0,0,1,0,0,1,0,0}};
-  struct polyLine **pl;
-  int plSize = 0;
-  int *prev;
-  int *curr;
-  int i,x,y;
+#define D 5
+static int polyLine_pline(can)
+struct canvas *can;
+{
+	double w,w1,k,e,n;
+	int x0,y0,x,y,xadj,yadj;
+	char buf[BUFSIZ];
+	double adjust_scale();
 
-  Xsize = TEST_XSIZE;
-  Ysize = TEST_YSIZE;
-  pl = (struct polyLine **)gcmalloc(sizeof(struct polyLine *)*(Ysize+2));
-  prev = (int *)gcmalloc(sizeof(int)*(Ysize+2));
-  curr = (int *)gcmalloc(sizeof(int)*(Ysize+2));
-  Fp = fp;
-  polyLine_outputProlog(0,0,Xsize,Ysize);
-  for (i=0; i<= Ysize+1; i++) {
-	prev[i] = -1;
-  }
-  for (x=0; x<Xsize; x++) {
-	curr[0] = curr[Ysize+1] = 0;
-	for (y=0; y<Ysize; y++) {
-	  if (image_test[x][y]) curr[y+1]=1;
-	  else curr[y+1] = 0;
+	if ( can->noaxis )
+		return;
+
+	xadj = yadj = 0;
+	if ( (can->xmin < 0) && (can->xmax > 0) ) {
+		x0 = (int)((can->width-1)*(-can->xmin/(can->xmax-can->xmin)));
+		polyLine_outputPS_dashed_line(translateX(x0),translateY(0),
+									  translateX(x0),translateY(can->height));
+	} else if ( can->xmin >= 0 )
+		x0 = 0;
+	else
+		x0 = can->width-1-D;
+	if ( (can->ymin < 0) && (can->ymax > 0) ) {
+		y0 = (int)((can->height-1)*(can->ymax/(can->ymax-can->ymin)));
+		polyLine_outputPS_dashed_line(translateX(0),translateY(y0),
+									  translateX(can->width),translateY(y0));
+	} else if ( can->ymin >= 0 )
+		y0 = can->height-1;
+	else
+		y0 = D;
+	/* BUG:  not written yet a code for PS.
+	w = can->xmax-can->xmin; 
+	w1 = w * DEFAULTWIDTH/can->width;
+	e = adjust_scale(EXP10(floor(log10(w1))),w1);
+	for ( n = ceil(can->xmin/e); n*e<= can->xmax; n++ ) {
+		x = (int)can->width*(n*e-can->xmin)/w;
+		DRAWLINE(display,d,drawGC,x,y0,x,y0-D);
+		sprintf(buf,"%g",n*e);
+		DRAWSTRING(display,d,scaleGC,x+2,y0,buf,strlen(buf));
 	}
-	plSize = updatePolyLine(pl,plSize,prev,curr,x);
-  }
-  for (y=0; y<Ysize+2; y++) {
-	curr[y] = 0;
-  }
-  plSize = updatePolyLine(pl,plSize,prev,curr,Xsize);
-  polyLine_outputEpilog();
+	w = can->ymax-can->ymin;
+	w1 = w * DEFAULTHEIGHT/can->height;
+	e = adjust_scale(EXP10(floor(log10(w1))),w1);
+	for ( n = ceil(can->ymin/e); n*e<= can->ymax; n++ ) {
+		y = (int)can->height*(1-(n*e-can->ymin)/w);
+		DRAWLINE(display,d,drawGC,x0,y,x0+D,y);
+		sprintf(buf,"%g",n*e);
+		if ( can->xmax <= 0 )
+			xadj = TEXTWIDTH(sffs,buf,strlen(buf));
+		DRAWSTRING(display,d,scaleGC,x0-xadj,y,buf,strlen(buf));
+	}
+	*/
 }
-main() {
-  generatePS_from_image(stdout);
-}
 
-*/
-
 generatePS_from_image(FILE *fp,XImage *image,int xsize, int ysize,
-					  int color[],int colorSize) {
+					  int color[],int colorSize,
+					  struct canvas *can,struct xcolorForPS *tableOfxcolorForPS,
+					  int upsidedown) {
   struct polyLine **pl;
   int plSize = 0;
   int *prev;
   int *curr;
   int i,x,y,c;
-
+  extern int Strategy_generate_PS;
   Xsize = xsize;
   Ysize = ysize;
-  pl = (struct polyLine **)gcmalloc(sizeof(struct polyLine *)*(Ysize+2));
-  prev = (int *)gcmalloc(sizeof(int)*(Ysize+2));
-  curr = (int *)gcmalloc(sizeof(int)*(Ysize+2));
   Fp = fp;
-  polyLine_outputProlog(0,0,Xsize,Ysize);
-  for (c=0; c<colorSize; c++) {
-	/* Set color if necessary */
-	for (i=0; i<= Ysize+1; i++) {
-	  prev[i] = -1;
-	}
-	for (x=0; x<Xsize; x++) {
-	  curr[0] = curr[Ysize+1] = 0;
-	  for (y=0; y<Ysize; y++) {
-		if ((int) XGetPixel(image,x,y) == color[c]) curr[y+1]=1;
-		else curr[y+1] = 0;
-	  }
-	  plSize = updatePolyLine(pl,plSize,prev,curr,x);
-	}
-	for (y=0; y<Ysize+2; y++) {
-	  curr[y] = 0;
-	}
-	plSize = updatePolyLine(pl,plSize,prev,curr,Xsize);
+  polyLine_outputProlog(0,0,Xsize,Ysize,upsidedown);
+  switch(Strategy_generate_PS) {
+  default:
+    fprintf(Fp,"%% debug info : colorSize=%d\n",colorSize);
+    for (c=0; c<colorSize; c++) {
+      /* Set color by looking at tableOfxcolorForPS.
+      */
+      fprintf(Fp,"%f %f %f setrgbcolor \n",(tableOfxcolorForPS[c]).r,(tableOfxcolorForPS[c]).g,(tableOfxcolorForPS[c]).b);
+      for (x=0; x<Xsize; x++) {
+        for (y=0; y<Ysize; y++) {
+          if ((tableOfxcolorForPS[c]).print &&
+              XGetPixel(image,x,y) == (tableOfxcolorForPS[c]).pixel){
+            fprintf(Fp," %d %d ", translateX(x),translateY(y) );
+            fprintf(Fp," ifplot_putpixel\n");
+          }
+        }
+      }
+    }
+    break;
   }
+  /* XXX : reset the color to black */
+  fprintf(Fp,"0 0 0 setrgbcolor \n");
+  polyLine_pline(can);
   polyLine_outputEpilog();
 }
+
+