Index: trunk/psphot/src/psUtils.c
===================================================================
--- trunk/psphot/src/psUtils.c	(revision 4114)
+++ trunk/psphot/src/psUtils.c	(revision 4129)
@@ -261,2 +261,50 @@
 }
     
+bool psImageInit (psImage *image,...) {
+
+  va_list argp;
+  psU8  vU8;
+  psF32 vF32;
+  psF64 vF64;
+
+  if (image == NULL) return (false);
+
+  va_start (argp, image);
+
+  switch (image->type.type) {
+    case PS_TYPE_U8:
+      vU8 = va_arg (argp, psU32);
+
+      for (int iy = 0; iy < image->numRows; iy++) {
+	for (int ix = 0; ix < image->numCols; ix++) {
+	  image->data.U8[iy][ix] = vU8;
+	}
+      }
+      break;
+
+    case PS_TYPE_F32:
+      vF32 = va_arg (argp, psF64);
+      
+      for (int iy = 0; iy < image->numRows; iy++) {
+	for (int ix = 0; ix < image->numCols; ix++) {
+	  image->data.F32[iy][ix] = vF32;
+	}
+      }
+      return (true);
+
+    case PS_TYPE_F64:
+      vF64 = va_arg (argp, psF64);
+
+      for (int iy = 0; iy < image->numRows; iy++) {
+	for (int ix = 0; ix < image->numCols; ix++) {
+	  image->data.F64[iy][ix] = vF64;
+	}
+      }
+      return (true);
+
+    default:
+      psAbort ("psphot.psUtils", "datatype %d not defined in psImageInit\n", image->type);
+      return (false);
+  }
+  return (false);
+}