From 3facca5499848665854eda2ce0e95985296e2dea Mon Sep 17 00:00:00 2001
From: laing raven <laingraven.java@gmail.com>
Date: Sun, 10 Mar 2024 19:12:29 +0700
Subject: [PATCH] add LinearGradient paint in svg color filter

---
 .../formdev/flatlaf/extras/FlatSVGIcon.java   | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java
index 2d461722..a1121f4d 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java
@@ -25,6 +25,7 @@ import java.awt.Image;
 import java.awt.Paint;
 import java.awt.Rectangle;
 import java.awt.RenderingHints;
+import java.awt.LinearGradientPaint;
 import java.awt.image.BufferedImage;
 import java.awt.image.RGBImageFilter;
 import java.io.File;
@@ -980,8 +981,16 @@ public class FlatSVGIcon
 
 		@Override
 		public void setPaint( Paint paint ) {
-			if( paint instanceof Color )
+			if( paint instanceof Color ) {
 				paint = filterColor( (Color) paint );
+			} else if( paint instanceof LinearGradientPaint ) {
+				LinearGradientPaint oldPaint = (LinearGradientPaint) paint;
+				paint = new LinearGradientPaint( oldPaint.getStartPoint(),
+					oldPaint.getEndPoint(),
+					oldPaint.getFractions(),
+					filterColors( oldPaint.getColors() ),
+					oldPaint.getCycleMethod() );
+			}
 			super.setPaint( paint );
 		}
 
@@ -1001,5 +1010,13 @@ public class FlatSVGIcon
 			}
 			return color;
 		}
+
+		private Color[] filterColors( Color[] colors ) {
+			Color[] newColor = new Color[colors.length];
+			for( int i = 0; i < colors.length; i++ ) {
+				newColor[i] = filterColor( colors[i] );
+			}
+			return newColor;
+		}
 	}
 }