a79ca8843be0fbe1b0c59167db1aa9e4b487a07e
kate
  Wed Aug 9 12:45:32 2017 -0700
Fixes to maxHeightPixels support in barChart UI. refs #19872

diff --git src/hg/inc/cart.h src/hg/inc/cart.h
index 0bf43ac..b86c524 100644
--- src/hg/inc/cart.h
+++ src/hg/inc/cart.h
@@ -603,17 +603,24 @@
 /* Hide all the tracks who have default visibilities in trackDb
  * that are something other than hide.  Do this only if the
  * variable CART_HAS_DEFAULT_VISIBILITY is set in the cart.  */
 
 char *cartGetPosition(struct cart *cart, char *database, struct cart **pLastDbPosCart);
 /* get the current position in cart as a string chr:start-end.
  * This can handle the special CGI params 'default' and 'lastDbPos'
  * Returned value has to be freed. Returns default position of assembly 
  * if no position set in cart nor as CGI var.
  * For virtual modes, returns the type and extraState. 
 */
 
 void cartSetDbPosition(struct cart *cart, char *database, struct cart *lastDbPosCart);
 /* Set the 'position.db' variable in the cart.*/
 
+void cartTdbFetchMinMaxPixels(struct cart *theCart, struct trackDb *tdb,
+                                int defaultMin, int defaultMax, int defaultDefault,
+                                int *retMin, int *retMax, int *retDefault, int *retCurrent);
+/* Configure maximum track height for variable height tracks (e.g. wiggle, barchart)
+ *      Initial height and limits may be defined in trackDb with the maxHeightPixels string,
+ *      Or user requested limits are defined in the cart. */
+
 #endif /* CART_H */