PostScript credit, and hook for landscape mode

src/tuxpaint.c

@@ -12158,6 +12158,20 @@ static int do_png_save(FILE * fi, const char * const fname, SDL_Surface * surf)
 ///////////////////////////////////// PostScript printing ///////////
 #ifdef PRINTMETHOD_PS
 
+// [Doug Zongker quoting Albert Cahalan]
+//
+// > First of all, would you mind if Tux Paint used some
+// > version of the imgtops code?
+//
+// Yes, please do whatever you'd like with it.
+//
+// > I'd like
+// > some clarification of what you interpret the license to
+// > mean when it says "substantial portions of the Software".
+//
+// My intent was to let anyone do anything they wanted with the source as
+// long as some attribution was given.
+
 static const char ps_footer[] =
   "%%%%EndData\n"
   "grestore\n"
@@ -12183,6 +12197,7 @@ static int do_ps_save(FILE * fi, const char *restrict  const fname, SDL_Surface
   fprintf(fi, "%%%%DocumentData: Binary\n");
   fprintf(fi, "%%%%EndComments\n");
   fprintf(fi, "gsave\n");
+//  fprintf(fi, "90 rotate 0 %f translate\n", ???);  // landscape mode
   fprintf(fi, "72.000000 214.560000 translate 468.000000 362.880000 scale\n");
   fprintf(fi, "/DeviceRGB setcolorspace\n");
   fprintf(fi, "<<\n");