Clamp the plot coordinates to 0

fair-acc · Feb 25, 2024 · 2ea0ced · 2ea0ced
1 parent 7d30488
commit 2ea0ced
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/chartfx-chart/src/main/java/io/fair_acc/chartfx/plugins/Zoomer.java b/chartfx-chart/src/main/java/io/fair_acc/chartfx/plugins/Zoomer.java
@@ -794,11 +794,11 @@ private Map<Axis, ZoomState> getZoomDataWindows() {
             double dataMin;
             double dataMax;
             if (axis.getSide().isVertical()) {
-                dataMin = axis.getValueForDisplay(Math.min(axis.getHeight(), minPlotCoordinate.getY()));
-                dataMax = axis.getValueForDisplay(Math.min(axis.getHeight(), maxPlotCoordinate.getY()));
+                dataMin = axis.getValueForDisplay(Math.max(0, Math.min(axis.getHeight(), minPlotCoordinate.getY())));
+                dataMax = axis.getValueForDisplay(Math.max(0, Math.min(axis.getHeight(), maxPlotCoordinate.getY())));
             } else {
-                dataMin = axis.getValueForDisplay(Math.min(axis.getWidth(), minPlotCoordinate.getX()));
-                dataMax = axis.getValueForDisplay(Math.min(axis.getWidth(), maxPlotCoordinate.getX()));
+                dataMin = axis.getValueForDisplay(Math.max(0, Math.min(axis.getWidth(), minPlotCoordinate.getX())));
+                dataMax = axis.getValueForDisplay(Math.max(0, Math.min(axis.getWidth(), maxPlotCoordinate.getX())));
             }
             switch (getAxisMode()) {
             case X: