Merge pull request #303 from xDUDSSx/extras-svg-icon-filter

FlatSVGIcon color filters

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/extras/ExtrasPanel.java

@@ -18,8 +18,13 @@ package com.formdev.flatlaf.demo.extras;
 
 import javax.swing.*;
 import com.formdev.flatlaf.extras.*;
+import com.formdev.flatlaf.extras.FlatSVGIcon.ColorFilter;
 import com.formdev.flatlaf.extras.components.FlatTriStateCheckBox;
+import com.formdev.flatlaf.util.HSLColor;
 import net.miginfocom.swing.*;
+import java.awt.*;
+import java.awt.event.HierarchyEvent;
+import java.util.function.Function;
 
 /**
  * @author Karl Tauber
@@ -27,6 +32,9 @@ import net.miginfocom.swing.*;
 public class ExtrasPanel
 	extends JPanel
 {
+	private Timer rainbowIconTimer;
+	private int rainbowCounter = 0;
+
 	public ExtrasPanel() {
 		initComponents();
 
@@ -50,6 +58,34 @@ public class ExtrasPanel
 		addSVGIcon( "errorDialog.svg" );
 		addSVGIcon( "informationDialog.svg" );
 		addSVGIcon( "warningDialog.svg" );
+
+		initRainbowIcon();
+	}
+
+	private void initRainbowIcon() {
+		FlatSVGIcon icon = new FlatSVGIcon( "com/formdev/flatlaf/demo/extras/svg/informationDialog.svg" );
+		icon.setColorFilter( new ColorFilter( color -> {
+			rainbowCounter += 1;
+			rainbowCounter %= 255;
+			return Color.getHSBColor( rainbowCounter / 255f, 1, 1 );
+		} ) );
+		rainbowIcon.setIcon( icon );
+
+		rainbowIconTimer = new Timer( 30, e -> {
+			rainbowIcon.repaint();
+		} );
+
+		// start rainbow timer only if panel is shown ("Extras" tab is active)
+		addHierarchyListener( e -> {
+			if( e.getID() == HierarchyEvent.HIERARCHY_CHANGED &&
+				(e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) != 0 )
+			{
+				if( isShowing() )
+					rainbowIconTimer.start();
+				else
+					rainbowIconTimer.stop();
+			}
+		} );
 	}
 
 	private void addSVGIcon( String name ) {
@@ -60,6 +96,36 @@ public class ExtrasPanel
 		triStateLabel1.setText( triStateCheckBox1.getState().toString() );
 	}
 
+	private void redChanged() {
+		brighterToggleButton.setSelected( false );
+
+		Function<Color, Color> mapper = null;
+		if( redToggleButton.isSelected() ) {
+			float[] redHSL = HSLColor.fromRGB( Color.red );
+			mapper = color -> {
+				float[] hsl = HSLColor.fromRGB( color );
+				return HSLColor.toRGB( redHSL[0], 70, hsl[2] );
+			};
+		}
+		FlatSVGIcon.ColorFilter.getInstance().setMapper( mapper );
+
+		// repaint whole application window because global color filter also affects
+		// icons in menubar, toolbar, etc.
+		SwingUtilities.windowForComponent( this ).repaint();
+	}
+
+	private void brighterChanged() {
+		redToggleButton.setSelected( false );
+
+		FlatSVGIcon.ColorFilter.getInstance().setMapper( brighterToggleButton.isSelected()
+			? color -> color.brighter().brighter()
+			: null );
+
+		// repaint whole application window because global color filter also affects
+		// icons in menubar, toolbar, etc.
+		SwingUtilities.windowForComponent( this ).repaint();
+	}
+
 	private void initComponents() {
 		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
 		label4 = new JLabel();
@@ -69,6 +135,13 @@ public class ExtrasPanel
 		label2 = new JLabel();
 		svgIconsPanel = new JPanel();
 		label3 = new JLabel();
+		separator1 = new JSeparator();
+		label5 = new JLabel();
+		label6 = new JLabel();
+		rainbowIcon = new JLabel();
+		label7 = new JLabel();
+		redToggleButton = new JToggleButton();
+		brighterToggleButton = new JToggleButton();
 
 		//======== this ========
 		setLayout(new MigLayout(
@@ -81,6 +154,10 @@ public class ExtrasPanel
 			"[]para" +
 			"[]" +
 			"[]" +
+			"[]" +
+			"[]" +
+			"[]" +
+			"[]" +
 			"[]"));
 
 		//---- label4 ----
@@ -119,6 +196,30 @@ public class ExtrasPanel
 		//---- label3 ----
 		label3.setText("The icons may change colors when switching to another theme.");
 		add(label3, "cell 1 3 2 1");
+		add(separator1, "cell 1 4 2 1,growx");
+
+		//---- label5 ----
+		label5.setText("Color filters can be also applied to icons. Globally or for each instance.");
+		add(label5, "cell 1 5 2 1");
+
+		//---- label6 ----
+		label6.setText("Rainbow color filter");
+		add(label6, "cell 1 6 2 1");
+		add(rainbowIcon, "cell 1 6 2 1");
+
+		//---- label7 ----
+		label7.setText("Global icon color filter");
+		add(label7, "cell 1 7 2 1");
+
+		//---- redToggleButton ----
+		redToggleButton.setText("Toggle RED");
+		redToggleButton.addActionListener(e -> redChanged());
+		add(redToggleButton, "cell 1 7 2 1");
+
+		//---- brighterToggleButton ----
+		brighterToggleButton.setText("Toggle brighter");
+		brighterToggleButton.addActionListener(e -> brighterChanged());
+		add(brighterToggleButton, "cell 1 7 2 1");
 		// JFormDesigner - End of component initialization  //GEN-END:initComponents
 	}
 
@@ -130,5 +231,12 @@ public class ExtrasPanel
 	private JLabel label2;
 	private JPanel svgIconsPanel;
 	private JLabel label3;
+	private JSeparator separator1;
+	private JLabel label5;
+	private JLabel label6;
+	private JLabel rainbowIcon;
+	private JLabel label7;
+	private JToggleButton redToggleButton;
+	private JToggleButton brighterToggleButton;
 	// JFormDesigner - End of variables declaration  //GEN-END:variables
 }

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/extras/ExtrasPanel.jfd

@@ -1,4 +1,4 @@
-JFDML JFormDesigner: "7.0.2.0.298" Java: "14" encoding: "UTF-8"
+JFDML JFormDesigner: "7.0.3.1.342" Java: "16" encoding: "UTF-8"
 
 new FormModel {
 	contentType: "form/swing"
@@ -6,7 +6,7 @@ new FormModel {
 		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 			"$layoutConstraints": "insets dialog,hidemode 3"
 			"$columnConstraints": "[][][left]"
-			"$rowConstraints": "[]para[][][]"
+			"$rowConstraints": "[]para[][][][][][][]"
 		} ) {
 			name: "this"
 			add( new FormComponent( "javax.swing.JLabel" ) {
@@ -56,6 +56,48 @@ new FormModel {
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 3 2 1"
 			} )
+			add( new FormComponent( "javax.swing.JSeparator" ) {
+				name: "separator1"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 4 2 1,growx"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label5"
+				"text": "Color filters can be also applied to icons. Globally or for each instance."
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 5 2 1"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label6"
+				"text": "Rainbow color filter"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 6 2 1"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "rainbowIcon"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 6 2 1"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label7"
+				"text": "Global icon color filter"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 7 2 1"
+			} )
+			add( new FormComponent( "javax.swing.JToggleButton" ) {
+				name: "redToggleButton"
+				"text": "Toggle RED"
+				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "redChanged", false ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 7 2 1"
+			} )
+			add( new FormComponent( "javax.swing.JToggleButton" ) {
+				name: "brighterToggleButton"
+				"text": "Toggle brighter"
+				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "brighterChanged", false ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 7 2 1"
+			} )
 		}, new FormLayoutConstraints( null ) {
 			"location": new java.awt.Point( 0, 0 )
 			"size": new java.awt.Dimension( 500, 300 )

flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java

@@ -29,6 +29,7 @@ import java.awt.image.BufferedImage;
 import java.awt.image.RGBImageFilter;
 import java.net.URISyntaxException;
 import java.net.URL;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.function.Function;
@@ -66,6 +67,8 @@ public class FlatSVGIcon
 	private final boolean disabled;
 	private final ClassLoader classLoader;
 
+	private ColorFilter colorFilter;
+
 	private SVGDiagram diagram;
 	private boolean dark;
 
@@ -159,13 +162,76 @@ public class FlatSVGIcon
 		this( name, -1, -1, scale, false, classLoader );
 	}
 
-	private FlatSVGIcon( String name, int width, int height, float scale, boolean disabled, ClassLoader classLoader ) {
+	protected FlatSVGIcon( String name, int width, int height, float scale, boolean disabled, ClassLoader classLoader ) {
 		this.name = name;
-		this.classLoader = classLoader;
 		this.width = width;
 		this.height = height;
 		this.scale = scale;
 		this.disabled = disabled;
+		this.classLoader = classLoader;
+	}
+
+	/**
+	 * Returns the name of the SVG resource (a '/'-separated path).
+	 *
+	 * @since 1.2
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * Returns the custom icon width specified in {@link #FlatSVGIcon(String, int, int)},
+	 * {@link #FlatSVGIcon(String, int, int, ClassLoader)} or {@link #derive(int, int)}.
+	 * Otherwise {@code -1} is returned.
+	 * <p>
+	 * To get the painted icon width, use {@link #getIconWidth()}.
+	 *
+	 * @since 1.2
+	 */
+	public int getWidth() {
+		return width;
+	}
+
+	/**
+	 * Returns the custom icon height specified in {@link #FlatSVGIcon(String, int, int)},
+	 * {@link #FlatSVGIcon(String, int, int, ClassLoader)} or {@link #derive(int, int)}.
+	 * Otherwise {@code -1} is returned.
+	 * <p>
+	 * To get the painted icon height, use {@link #getIconHeight()}.
+	 *
+	 * @since 1.2
+	 */
+	public int getHeight() {
+		return height;
+	}
+
+	/**
+	 * Returns the amount by which the icon size is scaled. Usually {@code 1}.
+	 *
+	 * @since 1.2
+	 */
+	public float getScale() {
+		return scale;
+	}
+
+	/**
+	 * Returns whether the icon is pained in "disabled" state.
+	 *
+	 * @see #getDisabledIcon()
+	 * @since 1.2
+	 */
+	public boolean isDisabled() {
+		return disabled;
+	}
+
+	/**
+	 * Returns the class loader used to load the SVG resource.
+	 *
+	 * @since 1.2
+	 */
+	public ClassLoader getClassLoader() {
+		return classLoader;
 	}
 
 	/**
@@ -179,7 +245,7 @@ public class FlatSVGIcon
 		if( width == this.width && height == this.height )
 			return this;
 
-		FlatSVGIcon icon = new FlatSVGIcon( name, width, height, scale, false, classLoader );
+		FlatSVGIcon icon = new FlatSVGIcon( name, width, height, scale, disabled, classLoader );
 		icon.diagram = diagram;
 		icon.dark = dark;
 		return icon;
@@ -195,7 +261,7 @@ public class FlatSVGIcon
 		if( scale == this.scale )
 			return this;
 
-		FlatSVGIcon icon = new FlatSVGIcon( name, width, height, scale, false, classLoader );
+		FlatSVGIcon icon = new FlatSVGIcon( name, width, height, scale, disabled, classLoader );
 		icon.diagram = diagram;
 		icon.dark = dark;
 		return icon;
@@ -217,6 +283,36 @@ public class FlatSVGIcon
 		return icon;
 	}
 
+	/**
+	 * Returns the currently active color filter or {@code null}.
+	 *
+	 * @since 1.2
+	 */
+	public ColorFilter getColorFilter() {
+		return colorFilter;
+	}
+
+	/**
+	 * Sets a color filter that can freely modify colors of this icon during painting.
+	 * <p>
+	 * This method accepts a {@link ColorFilter}. Usually you would want to use a ColorFilter created using the
+	 * {@link ColorFilter#ColorFilter(Function)} constructor.
+	 * <p>
+	 * This can be used to brighten colors of the icon:
+	 * <pre>icon.setColorFilter( new FlatSVGIcon.ColorFilter( color -> color.brighter() ) );</pre>
+	 * <p>
+	 * Using a filter, icons can also be turned monochrome (painted with a single color):
+	 * <pre>icon.setColorFilter( new FlatSVGIcon.ColorFilter( color -> Color.RED ) );</pre>
+	 * <p>
+	 * Note: If a filter is already set, it will be replaced.
+	 *
+	 * @param colorFilter The color filter
+	 * @since 1.2
+	 */
+	public void setColorFilter( ColorFilter colorFilter ) {
+		this.colorFilter = colorFilter;
+	}
+
 	private void update() {
 		if( dark == isDarkLaf() && diagram != null )
 			return;
@@ -303,7 +399,7 @@ public class FlatSVGIcon
 				: GrayFilter.createDisabledIconFilter( dark );
 		}
 
-		Graphics2D g2 = new GraphicsFilter( (Graphics2D) g.create(), ColorFilter.getInstance(), grayFilter );
+		Graphics2D g2 = new GraphicsFilter( (Graphics2D) g.create(), colorFilter, ColorFilter.getInstance(), grayFilter );
 
 		try {
 			FlatUIUtils.setRenderingHints( g2 );
@@ -383,7 +479,7 @@ public class FlatSVGIcon
 
 	private static Boolean darkLaf;
 
-	private static boolean isDarkLaf() {
+	public static boolean isDarkLaf() {
 		if( darkLaf == null ) {
 			lafChanged();
 
@@ -401,53 +497,253 @@ public class FlatSVGIcon
 
 	//---- class ColorFilter --------------------------------------------------
 
+	/**
+	 * A color filter that can modify colors of a painted {@link FlatSVGIcon}.
+	 * <p>
+	 * The ColorFilter modifies color in two ways.
+	 * Either using a color map, where specific colors are mapped to different ones.
+	 * And/or by modifying the colors in a mapper function.
+	 * <p>
+	 * When filtering a color, mappings are applied first, then the mapper function is applied.
+	 * <p>
+	 * Global {@link FlatSVGIcon} ColorFilter can be retrieved using the {@link ColorFilter#getInstance()} method.
+	 */
 	public static class ColorFilter
 	{
 		private static ColorFilter instance;
 
-		private final Map<Integer, String> rgb2keyMap = new HashMap<>();
+		private Map<Integer, String> rgb2keyMap;
-		private final Map<Color, Color> color2colorMap = new HashMap<>();
+		private Map<Color, Color> colorMap;
+		private Map<Color, Color> darkColorMap;
+		private Function<Color, Color> mapper;
 
+		/**
+		 * Returns the global ColorFilter that is applied to all icons.
+		 */
 		public static ColorFilter getInstance() {
-			if( instance == null )
+			if( instance == null ) {
 				instance = new ColorFilter();
+
+				// add default color palette
+				instance.rgb2keyMap = new HashMap<>();
+				for( FlatIconColors c : FlatIconColors.values() )
+					instance.rgb2keyMap.put( c.rgb, c.key );
+			}
 			return instance;
 		}
 
+		/**
+		 * Creates an empty color filter.
+		 */
 		public ColorFilter() {
-			for( FlatIconColors c : FlatIconColors.values() )
-				rgb2keyMap.put( c.rgb, c.key );
 		}
 
-		public void addAll( Map<Color, Color> from2toMap ) {
+		/**
-			color2colorMap.putAll( from2toMap );
+		 * Creates a color filter with a color modifying function that changes painted colors.
+		 * The {@link Function} gets passed the original color and returns a modified one.
+		 * <p>
+		 * Examples:
+		 * A ColorFilter can be used to brighten colors of the icon:
+		 * <pre>new ColorFilter( color -> color.brighter() );</pre>
+		 * <p>
+		 * Using a ColorFilter, icons can also be turned monochrome (painted with a single color):
+		 * <pre>new ColorFilter( color -> Color.RED );</pre>
+		 *
+		 * @param mapper The color mapper function
+		 * @since 1.2
+		 */
+		public ColorFilter( Function<Color, Color> mapper ) {
+			setMapper( mapper );
 		}
 
-		public void add( Color from, Color to ) {
+		/**
-			color2colorMap.put( from, to );
+		 * Returns a color modifying function or {@code null}
+		 *
+		 * @since 1.2
+		 */
+		public Function<Color, Color> getMapper() {
+			return mapper;
 		}
 
-		public void remove( Color from ) {
+		/**
-			color2colorMap.remove( from );
+		 * Sets a color modifying function that changes painted colors.
+		 * The {@link Function} gets passed the original color and returns a modified one.
+		 * <p>
+		 * Examples:
+		 * A ColorFilter can be used to brighten colors of the icon:
+		 * <pre>filter.setMapper( color -> color.brighter() );</pre>
+		 * <p>
+		 * Using a ColorFilter, icons can also be turned monochrome (painted with a single color):
+		 * <pre>filter.setMapper( color -> Color.RED );</pre>
+		 *
+		 * @param mapper The color mapper function
+		 * @since 1.2
+		 */
+		public void setMapper( Function<Color, Color> mapper ) {
+			this.mapper = mapper;
+		}
+
+		/**
+		 * Returns the color mappings used for light themes.
+		 *
+		 * @since 1.2
+		 */
+		public Map<Color, Color> getLightColorMap() {
+			return (colorMap != null)
+				? Collections.unmodifiableMap( colorMap )
+				: Collections.emptyMap();
+		}
+
+		/**
+		 * Returns the color mappings used for dark themes.
+		 *
+		 * @since 1.2
+		 */
+		public Map<Color, Color> getDarkColorMap() {
+			return (darkColorMap != null)
+				? Collections.unmodifiableMap( darkColorMap )
+				: getLightColorMap();
+		}
+
+		/**
+		 * Adds color mappings. Used for light and dark themes.
+		 */
+		public ColorFilter addAll( Map<Color, Color> from2toMap ) {
+			ensureColorMap();
+
+			colorMap.putAll( from2toMap );
+			if( darkColorMap != null )
+				darkColorMap.putAll( from2toMap );
+			return this;
+		}
+
+		/**
+		 * Adds a color mappings, which has different colors for light and dark themes.
+		 *
+		 * @since 1.2
+		 */
+		public ColorFilter addAll( Map<Color, Color> from2toLightMap, Map<Color, Color> from2toDarkMap ) {
+			ensureColorMap();
+			ensureDarkColorMap();
+
+			colorMap.putAll( from2toLightMap );
+			darkColorMap.putAll( from2toDarkMap );
+			return this;
+		}
+
+		/**
+		 * Adds a color mapping. Used for light and dark themes.
+		 */
+		public ColorFilter add( Color from, Color to ) {
+			ensureColorMap();
+
+			colorMap.put( from, to );
+			if( darkColorMap != null )
+				darkColorMap.put( from, to );
+			return this;
+		}
+
+		/**
+		 * Adds a color mapping, which has different colors for light and dark themes.
+		 *
+		 * @since 1.2
+		 */
+		public ColorFilter add( Color from, Color toLight, Color toDark ) {
+			ensureColorMap();
+			ensureDarkColorMap();
+
+			if( toLight != null )
+				colorMap.put( from, toLight );
+			if( toDark != null )
+				darkColorMap.put( from, toDark );
+			return this;
+		}
+
+		/**
+		 * Removes a specific color mapping.
+		 */
+		public ColorFilter remove( Color from ) {
+			if( colorMap != null )
+				colorMap.remove( from );
+			if( darkColorMap != null )
+				darkColorMap.remove( from );
+			return this;
+		}
+
+		/**
+		 * Removes all color mappings.
+		 *
+		 * @since 1.2
+		 */
+		public ColorFilter removeAll() {
+			colorMap = null;
+			darkColorMap = null;
+			return this;
+		}
+
+		private void ensureColorMap() {
+			if( colorMap == null )
+				colorMap = new HashMap<>();
+		}
+
+		private void ensureDarkColorMap() {
+			if( darkColorMap == null )
+				darkColorMap = new HashMap<>( colorMap );
 		}
 
 		public Color filter( Color color ) {
-			Color newColor = color2colorMap.get( color );
+			// apply mappings
-			if( newColor != null )
+			color = applyMappings( color );
-				return newColor;
 
-			String colorKey = rgb2keyMap.get( color.getRGB() & 0xffffff );
+			// apply mapper function
-			if( colorKey == null )
+			if( mapper != null )
-				return color;
+				color = mapper.apply( color );
 
-			newColor = UIManager.getColor( colorKey );
+			return color;
-			if( newColor == null )
-				return color;
-
-			return (newColor.getAlpha() != color.getAlpha())
-				? new Color( (newColor.getRGB() & 0x00ffffff) | (color.getRGB() & 0xff000000) )
-				: newColor;
 		};
+
+		private Color applyMappings( Color color ) {
+			if( colorMap != null ) {
+				Map<Color, Color> map = (darkColorMap != null && isDarkLaf()) ? darkColorMap : colorMap;
+				Color newColor = map.get( color );
+				if( newColor != null )
+					return newColor;
+			}
+
+			if( rgb2keyMap != null ) {
+				// RGB is mapped to a key in UI defaults, which contains the real color.
+				// IntelliJ themes define such theme specific icon colors in .theme.json files.
+				String colorKey = rgb2keyMap.get( color.getRGB() & 0xffffff );
+				if( colorKey == null )
+					return color;
+
+				Color newColor = UIManager.getColor( colorKey );
+				if( newColor == null )
+					return color;
+
+				// preserve alpha of original color
+				return (newColor.getAlpha() != color.getAlpha())
+					? new Color( (newColor.getRGB() & 0x00ffffff) | (color.getRGB() & 0xff000000) )
+					: newColor;
+			}
+
+			return color;
+		}
+
+		/**
+		 * Creates a color modifying function that uses {@link RGBImageFilter#filterRGB(int, int, int)}.
+		 * Can be set to a {@link ColorFilter} using {@link ColorFilter#setMapper(Function)}.
+		 *
+		 * @see GrayFilter
+		 * @since 1.2
+		 */
+		public static Function<Color, Color> createRGBImageFilterFunction( RGBImageFilter rgbImageFilter ) {
+			return color -> {
+				int oldRGB = color.getRGB();
+				int newRGB = rgbImageFilter.filterRGB( 0, 0, oldRGB );
+				return (newRGB != oldRGB) ? new Color( newRGB, true ) : color;
+			};
+		}
 	}
 
 	//---- class GraphicsFilter -----------------------------------------------
@@ -456,11 +752,15 @@ public class FlatSVGIcon
 		extends Graphics2DProxy
 	{
 		private final ColorFilter colorFilter;
+		private final ColorFilter globalColorFilter;
 		private final RGBImageFilter grayFilter;
 
-		public GraphicsFilter( Graphics2D delegate, ColorFilter colorFilter, RGBImageFilter grayFilter ) {
+		GraphicsFilter( Graphics2D delegate, ColorFilter colorFilter,
+			ColorFilter globalColorFilter, RGBImageFilter grayFilter )
+		{
 			super( delegate );
 			this.colorFilter = colorFilter;
+			this.globalColorFilter = globalColorFilter;
 			this.grayFilter = grayFilter;
 		}
 
@@ -477,8 +777,14 @@ public class FlatSVGIcon
 		}
 
 		private Color filterColor( Color color ) {
-			if( colorFilter != null )
+			if( colorFilter != null ) {
-				color = colorFilter.filter( color );
+				Color newColor = colorFilter.filter( color );
+				color = (newColor != color)
+					? newColor
+					: globalColorFilter.filter( color );
+			} else
+				color = globalColorFilter.filter( color );
+
 			if( grayFilter != null ) {
 				int oldRGB = color.getRGB();
 				int newRGB = grayFilter.filterRGB( 0, 0, oldRGB );