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

diff --git src/hg/inc/barChartUi.h src/hg/inc/barChartUi.h
index 0c959ee..db12d7d 100644
--- src/hg/inc/barChartUi.h
+++ src/hg/inc/barChartUi.h
@@ -1,95 +1,99 @@
 /* barChart track UI */
 
 /* Copyright (C) 2015 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 #ifndef BAR_CHARTUI_H
 #define BAR_CHARTUI_H
 
 /* Color scheme */
 #define BAR_CHART_COLORS                     "colorScheme"
 #define BAR_CHART_COLORS_RAINBOW             "rainbow"
 
 /* Color scheme from user */
 #define BAR_CHART_COLORS_USER                "user"
 #define BAR_CHART_COLORS_DEFAULT             BAR_CHART_COLORS_USER
 
 /* Data transform */
 
 // WARNING: these also appear in JS
 #define BAR_CHART_LOG_TRANSFORM              "logTransform"
 #define BAR_CHART_LOG_TRANSFORM_DEFAULT      TRUE
 #define BAR_CHART_AUTOSCALE                  "autoScale"
 #define BAR_CHART_AUTOSCALE_DEFAULT           FALSE
 
 /* Data range and viewing limits */
 #define BAR_CHART_MAX_LIMIT                  "maxLimit"
 #define BAR_CHART_MAX_LIMIT_DEFAULT          10000
 #define BAR_CHART_MAX_VIEW_LIMIT             "maxViewLimit"
 #define BAR_CHART_MAX_VIEW_LIMIT_DEFAULT     50
 
 /* These cann be set via maxHeightPixels */
 #define BAR_CHART_MAX_HEIGHT_MIN             50
 #define BAR_CHART_MAX_HEIGHT_DEFAULT         175
 #define BAR_CHART_MAX_HEIGHT_MAX             250
 
 /* Category (bar) info */
 #define BAR_CHART_MAX_CATEGORIES        100
 
 /* Category filter */
 #define BAR_CHART_CATEGORY_SELECT      "categories"
 
 /* Labels for categories */
 #define BAR_CHART_CATEGORY_LABELS        "barChartBars"
 #define BAR_CHART_CATEGORY_LABEL         "barChartLabel"
 #define BAR_CHART_CATEGORY_LABEL_DEFAULT "Categories"
 
 /* Colors for categories */
 #define BAR_CHART_CATEGORY_COLORS        "barChartColors"
 
 /* Units to display on bar mouseover */
 #define BAR_CHART_UNIT                   "barChartUnit"
 
 /* Measurement type -- e.g. 'median'. Shown as part of label on details page. Default is "" */
 #define BAR_CHART_METRIC                 "barChartMetric"
 
 /* Suppress whiteout behind graph (to show highlight and blue lines) */
 #define BAR_CHART_NO_WHITEOUT         "noWhiteout"
 #define BAR_CHART_NO_WHITEOUT_DEFAULT        FALSE
 
 void barChartCfgUi(char *database, struct cart *cart, struct trackDb *tdb, char *track, 
                         char *title, boolean boxed);
 /* Bar chart track type */
 
 #define barChartAutoSqlString \
 "table barChartBed\n" \
 "\"BED6+ with additional fields for category count and values\"\n" \
     "(\n" \
     "string chrom;       \"Reference sequence chromosome or scaffold\"\n" \
     "uint   chromStart;  \"Start position in chromosome\"\n" \
     "uint   chromEnd;    \"End position in chromosome\"\n" \
     "string name;        \"Item identifier\"\n" \
     "uint   score;       \"Score from 0-1000; derived from total median all categories (log-transformed and scaled)\"\n" \
     "char[1] strand;     \"+ or - for strand\"\n" \
     "uint expCount;      \"Number of categories\"\n" \
     "float[expCount] expScores; \"Comma separated list of category values\"\n" \
     ")\n"
 
 double barChartUiMaxMedianScore();
 /* Max median score, for scaling */
 
 struct barChartCategory *barChartUiGetCategories(char *database, struct trackDb *tdb);
 /* Get category colors and descriptions.  
  * If barChartLabel setting contains label list, assign rainbow colors.
  * O/w look for a table naed track+Category, and use labels and colors there */
 
 struct barChartCategory *barChartUiGetCategoryById(int id, char *database, 
                                                         struct trackDb *tdb);
 /* Get category info by id */
 
 char *barChartUiGetCategoryLabelById(int id, char *database, struct trackDb *tdb);
 /* Get label for a category id */
 
 char *barChartUiGetLabel(char *database, struct trackDb *tdb);
 /* Get label for category list */
 
+void barChartUiFetchMinMaxPixels(struct cart *cart, struct trackDb *tdb, 
+                                int *retMin, int *retMax, int *retDefault, int *retCurrent);
+/* Get min/max/default/current settings for track height from cart and trackDb */
+
 #endif /* BAR_CHARTUI_H */