findTopCellItem() handle underflow (f5)

Explorer09 · Feb 7, 2024 · cb20969 · cb20969
1 parent 30f1565
commit cb20969
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/Meter.c b/Meter.c
@@ -412,9 +412,9 @@ static uint8_t GraphMeterMode_findTopCellItem(const Meter* this, double scaledTo
 
       double area = (value / scaledTotal) * (double)(int)graphHeight;
 
-      // if (maxValue <= 0.0)
       // if (topCellItem >= i)
-      if (topCellItem > i) {
+      // if (topCellItem > i)
+      if (maxValue <= 0.0 && !hasArea) {
          double topPoint = (valueSum / scaledTotal) * (double)(int)graphHeight;
          assert(topPoint >= 0.0);
 
@@ -426,24 +426,24 @@ static uint8_t GraphMeterMode_findTopCellItem(const Meter* this, double scaledTo
 
          if (area > topPoint - (double)(int)topCell) {
             hasArea = true;
-	    maxValue = topPoint - (double)(int)topCell;
+            maxValue = topPoint - (double)(int)topCell;
          } else {
             maxValue = value;
-	 }
+         }
          topCellItem = i;
       } else {
          if (hasArea) {
             if (area >= maxValue) {
                hasArea = false;
                maxValue = value;
                topCellItem = i;
-	    }
+            }
          } else {
             if (value >= maxValue) {
                maxValue = value;
                topCellItem = i;
             }
-	 }
+         }
       }
    }
    return topCellItem;