X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=libctsim%2Fimagefile.cpp;h=20946ae77ae25b4d99c51f19c2e63642709d13ea;hb=17769327fd2f5f84a867532c04864864e23f4238;hp=3f7c0beff717a84bafe3f588816dfc50d29bf0db;hpb=a5139613f6b92aeb8db9daa87f021c78d17d82a5;p=ctsim.git

diff --git a/libctsim/imagefile.cpp b/libctsim/imagefile.cpp
index 3f7c0be..20946ae 100644
--- a/libctsim/imagefile.cpp
+++ b/libctsim/imagefile.cpp
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: imagefile.cpp,v 1.10 2000/08/22 16:49:56 kevin Exp $
+**  $Id: imagefile.cpp,v 1.14 2000/11/22 07:17:06 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -66,7 +66,7 @@ ImageFile::displayScaling (const int scale, const ImageFileValue pmin, const Ima
       return 0;
 
 #if HAVE_G2_H
-    int pens [nx * ny * scale * scale ];
+    int* pPens = new int [nx * ny * scale * scale ];
 
     double view_scale = 255 / (pmax - pmin);
     int id_X11 = g2_open_X11 (nx * scale, ny * scale);
@@ -76,21 +76,26 @@ ImageFile::displayScaling (const int scale, const ImageFileValue pmin, const Ima
 	grayscale[i] = g2_ink (id_X11, cval, cval, cval);
     }
 
-    for (int i= 0, iy = ny - 1; iy >= 0; iy--) {
-	for (int ix = 0; ix < nx; ix++) {
-	    int cval = static_cast<int>((v[ix][iy] - pmin) * view_scale);
-	    if (cval < 0)  
-	      cval = 0;
-	    else if (cval > 255) 
-	      cval = 255;
-	    pens[i++] = grayscale[cval];
+    for (int iy = ny - 1; iy >= 0; iy--) {
+      int iRowPos = ((ny - 1 - iy) * scale) * (nx * scale);
+      for (int ix = 0; ix < nx; ix++) {
+	int cval = static_cast<int>((v[ix][iy] - pmin) * view_scale);
+	if (cval < 0)  
+	  cval = 0;
+	else if (cval > 255) 
+	  cval = 255;
+	for (int sy = 0; sy < scale; sy++)
+	  for (int sx = 0; sx < scale; sx++)
+	    pPens[iRowPos+(sy * nx * scale)+(sx + (ix * scale))] = grayscale[cval];
 	}
     }
 
-    g2_image (id_X11, 0., 0., nx, ny, pens);
+    g2_image (id_X11, 0., 0., nx * scale, ny * scale, pPens);
 
+    delete pPens;
     return (id_X11);
-
+#else
+    return 0;
 #endif
 }
 
@@ -313,7 +318,7 @@ ImageFile::writeImagePGM (const char *outfile, int nxcell, int nycell, double de
     }
     for (int ir = 0; ir < nycell; ir++) {
       for (int ic = 0; ic < nx * nxcell; ic++) 
-	fprintf(fp, "%c ", rowp[ic]);
+	fprintf(fp, "%c", rowp[ic]);
     }
   }
 
@@ -329,8 +334,6 @@ ImageFile::writeImagePGMASCII (const char *outfile, int nxcell, int nycell, doub
   ImageFileArray v = getArray();
 
   unsigned char rowp [nx * nxcell];
-  if (rowp == NULL)
-    return;
 
   if ((fp = fopen (outfile, "wb")) == NULL)
      return;