'#1866: Better handling of RenderingHints.

sepinf-inc · Oct 2, 2023 · 0d3ce0f · 0d3ce0f
1 parent 143a3ac
commit 0d3ce0f
Showing 1 changed file with 16 additions and 2 deletions.
diff --git a/iped-utils/src/main/java/iped/utils/QualityIcon.java b/iped-utils/src/main/java/iped/utils/QualityIcon.java
@@ -4,7 +4,10 @@
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.RenderingHints;
+import java.awt.RenderingHints.Key;
 import java.awt.image.BufferedImage;
+import java.util.HashMap;
+import java.util.Map;
 
 import javax.swing.Icon;
 import javax.swing.ImageIcon;
@@ -14,6 +17,16 @@ public class QualityIcon implements Icon {
     private final BufferedImage img;
     private int w, h;
 
+    private static final RenderingHints renderingHints;
+
+    static {
+        Map<Key, Object> hints = new HashMap<Key, Object>();
+        hints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
+        hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+        hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
+        renderingHints = new RenderingHints(hints);
+    }
+
     public QualityIcon(QualityIcon other, int size) {
         this.icon = other.icon;
         this.img = other.img;
@@ -41,8 +54,8 @@ public QualityIcon(BufferedImage img, int size) {
 
     public void paintIcon(Component c, Graphics g, int x, int y) {
         Graphics2D g2 = (Graphics2D) g;
-        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
-        g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+        RenderingHints saveHints = g2.getRenderingHints();
+        g2.setRenderingHints(renderingHints);
         if (img != null) {
             g2.drawImage(img, x, y, w, h, c);
         } else if (icon != null) {
@@ -52,6 +65,7 @@ public void paintIcon(Component c, Graphics g, int x, int y) {
                 icon.paintIcon(c, g, x, y);
             }
         }
+        g2.setRenderingHints(saveHints);
     }
 
     public int getIconWidth() {