Merge pull request #548 from mrcjkb/issue#547

#547: Re-add API endpoints required for manual zoom.
knowm · Jul 30, 2023 · 2a8faf3 · 2a8faf3
2 parents caaca95 + e176bd4
commit 2a8faf3
Showing 1 changed file with 48 additions and 0 deletions.
diff --git a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/Chart.java b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/Chart.java
@@ -241,6 +241,54 @@ Format getYAxisFormat(String yAxisDecimalPattern) {
     return format;
   }
 
+  public double getChartXFromCoordinate(int screenX) {
+
+    if (axisPair == null) {
+      return Double.NaN;
+    }
+    return axisPair.getXAxis().getChartValue(screenX);
+  }
+
+  public double getChartYFromCoordinate(int screenY) {
+
+    if (axisPair == null) {
+      return Double.NaN;
+    }
+    return axisPair.getYAxis().getChartValue(screenY);
+  }
+
+  public double getChartYFromCoordinate(int screenY, int yIndex) {
+
+    if (axisPair == null) {
+      return Double.NaN;
+    }
+    return axisPair.getYAxis(yIndex).getChartValue(screenY);
+  }
+
+  public double getScreenXFromChart(double xValue) {
+
+    if (axisPair == null) {
+      return Double.NaN;
+    }
+    return axisPair.getXAxis().getScreenValue(xValue);
+  }
+
+  public double getScreenYFromChart(double yValue) {
+
+    if (axisPair == null) {
+      return Double.NaN;
+    }
+    return axisPair.getYAxis().getScreenValue(yValue);
+  }
+
+  public double getScreenYFromChart(double yValue, int yIndex) {
+
+    if (axisPair == null) {
+      return Double.NaN;
+    }
+    return axisPair.getYAxis(yIndex).getScreenValue(yValue);
+  }
+
   //  ArrayList<ChartPart> getAnnotations() {
   //
   //    return annotations;