Polished the title and the example background colors

org.eclipse.swtchart.customcharts/src/org/eclipse/swtchart/customcharts/core/PCAChart.java

@@ -70,6 +70,7 @@ public void setTitles(String chartTitle, String xAxisTitle, String yAxisTitle) {
 		//
 		IChartSettings chartSettings = getChartSettings();
 		chartSettings.setTitle(chartTitle);
+		chartSettings.setTitleVisible(true);
 		chartSettings.getPrimaryAxisSettingsX().setTitle(xAxisTitle);
 		chartSettings.getPrimaryAxisSettingsY().setTitle(yAxisTitle);
 		applySettings(chartSettings);

org.eclipse.swtchart.customcharts/src/org/eclipse/swtchart/customcharts/core/ParallelPieCharts.java

@@ -151,6 +151,7 @@ public void setChartTitles(String[] titles) {
 			linkedPieCharts.get(i).getChartSettings().setTitle(titles[i]);
 			PieChart pieChart = linkedPieCharts.get(i);
 			ChartSettings chartSettings = (ChartSettings)pieChart.getChartSettings();
+			chartSettings.setTitleVisible(true);
 			chartSettings.setTitleColor(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 			pieChart.applySettings(chartSettings);
 		}
@@ -182,6 +183,7 @@ private void setSettings(int index) {
 		}
 		ChartSettings chartSettings = (ChartSettings)pieChart.getChartSettings();
 		chartSettings.setLegendVisible(false);
+		chartSettings.setTitleVisible(true);
 		chartSettings.setTitleColor(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 		chartSettings.setLegendExtendedVisible(false);
 		chartSettings.setShowLegendMarker(false);

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/AxisTickBoundsExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -61,11 +61,13 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		final Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Axis Tick Bounds");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		// create bar series
 		IBarSeries<?> series1 = (IBarSeries<?>)chart.getSeriesSet().createSeries(SeriesType.BAR, "series");
 		series1.setYSeries(ySeries);
@@ -95,4 +97,4 @@ static public Chart createChart(Composite parent) {
 		});
 		return chart;
 	}
-}
+}

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/BarBoundsExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -63,11 +63,13 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		final Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Bar Bounds");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		// create bar series
 		IBarSeries<?> series1 = (IBarSeries<?>)chart.getSeriesSet().createSeries(SeriesType.BAR, "series 1");
 		series1.setYSeries(ySeries1);
@@ -103,4 +105,4 @@ private void setToolTipText(ISeries<?> series, int index) {
 		});
 		return chart;
 	}
-}
+}

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/CustomPaintListenerExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -61,15 +61,17 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Custom Paint Listener");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		ISeries<?> lineSeries = chart.getSeriesSet().createSeries(SeriesType.LINE, "line series");
 		lineSeries.setYSeries(ySeries);
 		// add paint listeners
-		IPlotArea plotArea = (IPlotArea)chart.getPlotArea();
+		IPlotArea plotArea = chart.getPlotArea();
 		plotArea.addCustomPaintListener(new FrontPaintListener());
 		plotArea.addCustomPaintListener(new BehindPaintListener());
 		// adjust the axis range

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/DataToPixelConversionExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -63,11 +63,13 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Data To Pixel Conversion");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		// get Y axis
 		final IAxis yAxis = chart.getAxisSet().getYAxis(0);
 		// create line series
@@ -94,4 +96,4 @@ public boolean drawBehindSeries() {
 		});
 		return chart;
 	}
-}
+}

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/HighlightMultiLevelPie.java

@@ -68,10 +68,12 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Multi Level Pie Chart");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		ICircularSeries<?> multiLevelPie = (ICircularSeries<?>)chart.getSeriesSet().createSeries(SeriesType.PIE, "countries");
 		multiLevelPie.setSeries(continentLabels, continentValues);
 		multiLevelPie.getNodeById("Asia").addChildren(AsianCountriesLabels, AsianCountriesValues);

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/LegendBoundsExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -63,11 +63,13 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		final Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Legend Bounds");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		// create bar series
 		IBarSeries<?> series1 = (IBarSeries<?>)chart.getSeriesSet().createSeries(SeriesType.BAR, "series 1");
 		series1.setYSeries(ySeries1);
@@ -92,4 +94,4 @@ static public Chart createChart(Composite parent) {
 		});
 		return chart;
 	}
-}
+}

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/PixelToDataConversionExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -59,11 +59,13 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		final Chart chart = new Chart(parent, SWT.NONE);
-		chart.getTitle().setText("Pxiel To Data Conversion");
+		chart.getTitle().setText("Pixel To Data Conversion");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		// get axes
 		final IAxis xAxis = chart.getAxisSet().getXAxis(0);
 		final IAxis yAxis = chart.getAxisSet().getYAxis(0);
@@ -80,4 +82,4 @@ static public Chart createChart(Composite parent) {
 		});
 		return chart;
 	}
-}
+}

org.eclipse.swtchart.examples/src/org/eclipse/swtchart/examples/advanced/SymbolBoundsExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2020 SWTChart project.
+ * Copyright (c) 2008, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -63,11 +63,13 @@ public static void main(String[] args) {
 	 *            The parent composite
 	 * @return The created chart
 	 */
-	static public Chart createChart(Composite parent) {
+	public static Chart createChart(Composite parent) {
 
 		// create a chart
 		final Chart chart = new Chart(parent, SWT.NONE);
 		chart.getTitle().setText("Symbol Bounds");
+		chart.getPlotArea().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
+		chart.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		// create line series
 		ILineSeries<?> series1 = (ILineSeries<?>)chart.getSeriesSet().createSeries(SeriesType.LINE, "series 1");
 		series1.setYSeries(ySeries1);
@@ -102,4 +104,4 @@ private void setToolTipText(ISeries<?> series, int index) {
 		});
 		return chart;
 	}
-}
+}

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/charts/ComplexPieChartExample.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2020, 2022 SWTChart project.
+ * Copyright (c) 2020, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -12,9 +12,11 @@
  *******************************************************************************/
 package org.eclipse.swtchart.extensions.examples.charts;
 
+import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swtchart.extensions.core.IChartSettings;
 import org.eclipse.swtchart.extensions.examples.parts.ComplexPieChart;
 
 public class ComplexPieChartExample {
@@ -27,7 +29,12 @@ public static void main(String args[]) {
 		shell.setSize(700, 600);
 		shell.setLayout(new FillLayout());
 		//
-		new ComplexPieChart(shell);
+		ComplexPieChart complexPieChart = new ComplexPieChart(shell);
+		IChartSettings chartSettings = complexPieChart.getChartSettings();
+		chartSettings.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundChart(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundPlotArea(display.getSystemColor(SWT.COLOR_WHITE));
+		complexPieChart.applySettings(chartSettings);
 		shell.open();
 		//
 		while(!shell.isDisposed()) {
@@ -37,4 +44,4 @@ public static void main(String args[]) {
 		}
 		display.dispose();
 	}
-}
+}

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/charts/DemoBoxPlotChart.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2022 Lablicate GmbH.
+ * Copyright (c) 2022, 2023 Lablicate GmbH.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -53,6 +53,9 @@ public static void main(String args[]) {
 		chartSettings.setBufferSelection(true);
 		chartSettings.setHorizontalSliderVisible(false);
 		chartSettings.setVerticalSliderVisible(false);
+		chartSettings.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundChart(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundPlotArea(display.getSystemColor(SWT.COLOR_WHITE));
 		RangeRestriction rangeRestriction = chartSettings.getRangeRestriction();
 		rangeRestriction.setExtendTypeX(ExtendType.ABSOLUTE);
 		rangeRestriction.setExtendMinX(0.5d);

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/charts/DemoChart.java

@@ -50,6 +50,7 @@ public static void main(String args[]) {
 		 */
 		IChartSettings chartSettings = scrollableChart.getChartSettings();
 		chartSettings.setTitle("Chromatogram Example");
+		chartSettings.setTitleVisible(true);
 		chartSettings.setTitleColor(display.getSystemColor(SWT.COLOR_BLACK));
 		chartSettings.setLegendExtendedVisible(true);
 		chartSettings.setBufferSelection(true);

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/charts/FixedRangeChart.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2022 SWTChart project.
+ * Copyright (c) 2022, 2023 SWTChart project.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -12,12 +12,14 @@
  *******************************************************************************/
 package org.eclipse.swtchart.extensions.examples.charts;
 
+import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swtchart.IAxis;
 import org.eclipse.swtchart.Range;
 import org.eclipse.swtchart.extensions.core.BaseChart;
+import org.eclipse.swtchart.extensions.core.IChartSettings;
 import org.eclipse.swtchart.extensions.core.ScrollableChart;
 import org.eclipse.swtchart.extensions.examples.parts.BarSeries_1_1_Part;
 
@@ -32,6 +34,11 @@ public static void main(String args[]) {
 		shell.setLayout(new FillLayout());
 		//
 		ScrollableChart scrollableChart = new BarSeries_1_1_Part(shell);
+		IChartSettings chartSettings = scrollableChart.getChartSettings();
+		chartSettings.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundChart(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundPlotArea(display.getSystemColor(SWT.COLOR_WHITE));
+		scrollableChart.applySettings(chartSettings);
 		shell.open();
 		/*
 		 * Set a fixed range.

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/charts/NoBorderSimpleChart.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2022 Lablicate GmbH.
+ * Copyright (c) 2022, 2023 Lablicate GmbH.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -52,6 +52,9 @@ public static void main(String args[]) {
 		chartSettings.setTitleColor(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 		chartSettings.setTitleFont(font);
 		chartSettings.setTitleVisible(true);
+		chartSettings.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundChart(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundPlotArea(display.getSystemColor(SWT.COLOR_WHITE));
 		disableSecondaryAxes(chartSettings.getSecondaryAxisSettingsListX());
 		disableSecondaryAxes(chartSettings.getSecondaryAxisSettingsListY());
 		scrollableChart.applySettings(chartSettings);
@@ -73,4 +76,4 @@ private static void disableSecondaryAxes(List<ISecondaryAxisSettings> secondaryA
 			secondaryAxisSetting.setGridLineStyle(LineStyle.NONE);
 		}
 	}
-}
+}

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/charts/SimplePieChartExample.java

@@ -13,9 +13,11 @@
  *******************************************************************************/
 package org.eclipse.swtchart.extensions.examples.charts;
 
+import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swtchart.extensions.core.IChartSettings;
 import org.eclipse.swtchart.extensions.examples.parts.SimplePieChart;
 
 public class SimplePieChartExample {
@@ -30,7 +32,12 @@ public static void main(String args[]) {
 		//
 		boolean doughnut = true;
 		boolean highlightSeries = false;
-		new SimplePieChart(shell, doughnut, highlightSeries);
+		SimplePieChart simplePieChart = new SimplePieChart(shell, doughnut, highlightSeries);
+		IChartSettings chartSettings = simplePieChart.getChartSettings();
+		chartSettings.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundChart(display.getSystemColor(SWT.COLOR_WHITE));
+		chartSettings.setBackgroundPlotArea(display.getSystemColor(SWT.COLOR_WHITE));
+		simplePieChart.applySettings(chartSettings);
 		shell.open();
 		//
 		while(!shell.isDisposed()) {

org.eclipse.swtchart.extensions.examples/src/org/eclipse/swtchart/extensions/examples/parts/SimplePieChart.java

@@ -83,8 +83,7 @@ private void initialize() throws Exception {
 		if(highlightSeries) {
 			settings.setRedrawOnClick(false);
 			ISeriesSettings seriesSettingsHighlight = settings.getSeriesSettingsHighlight();
-			if(seriesSettingsHighlight instanceof ICircularSeriesSettings) {
-				ICircularSeriesSettings settingsHighlight = (ICircularSeriesSettings)seriesSettingsHighlight;
+			if(seriesSettingsHighlight instanceof ICircularSeriesSettings settingsHighlight) {
 				settingsHighlight.setBorderColor(Display.getDefault().getSystemColor(SWT.COLOR_CYAN));
 				settingsHighlight.setBorderWidth(5);
 				settingsHighlight.setBorderStyle(LineStyle.DOT);