6eab7fc47402f1ce34ed331ae80f5bcbee54da82
braney
  Thu Dec 16 13:30:33 2010 -0800
remove USE_PNG and GIF support  #1323
diff --git src/tracks/tracks.c src/tracks/tracks.c
index eeb1305..96001c6 100644
--- src/tracks/tracks.c
+++ src/tracks/tracks.c
@@ -1443,37 +1443,32 @@
 mgSetClip(mg, xOff, y, insideWidth, rulerHeight);
 relNumOff = ti.chromStart - ti.relStart;
 if (ti.strand == '-')
     relNumOff = -relNumOff;
 mgDrawRuler(mg, xOff, y, rulerHeight, insideWidth, MG_BLACK, font,
     relNumOff, baseWidth);
 mapWriteBox(mapFile, mtRuler, xOff, y, insideWidth, rulerHeight, "", '.');
 
 
 /* Finish up image map. */
 mapWriteBox(mapFile, mtEnd, 0,0,0,0,"",'.');
 fclose(mapFile);
 chmod(mapTn.forCgi, 0666);
 
 /* Save out picture and tell html file about it. */
-#ifdef USE_PNG
 makeTempName(&gifTn, "trk", ".png");
 mgSavePng(mg, gifTn.forCgi, FALSE);
-#else
-makeTempName(&gifTn, "trk", ".gif");
-mgSaveGif(mg, gifTn.forCgi, FALSE);
-#endif
 printf("<INPUT TYPE=HIDDEN NAME=map VALUE=\"%s\">\n", mapTn.forCgi);
 printf(
     "<P><INPUT TYPE=IMAGE SRC = \"%s\" BORDER=1 WIDTH=%d HEIGHT=%d NAME = \"mouse\" ALIGN=BOTTOM><BR>\n",
     gifTn.forHtml, pixWidth, pixHeight);
 
 mgFree(&mg);
 chmod(gifTn.forCgi, 0666);
 }
 
 void makeNumText(char *name, int num, int digits)
 /* Make a text control filled with a number. */
 {
 printf("<INPUT TYPE=TEXT NAME=\"%s\" SIZE=%d VALUE=%d>\n", name, digits, num);
 }