bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor/ColorManager.java

   1 package org.simantics.scl.ui.editor;
   2
   3 import java.util.HashMap;
   4
   5 import org.eclipse.swt.graphics.Color;
   6 import org.eclipse.swt.graphics.RGB;
   7 import org.eclipse.swt.widgets.Display;
   8
   9 public class ColorManager {
  10
  11         protected HashMap<RGB, Color> colorTable = new HashMap<RGB, Color>();
  12
  13         public void dispose() {
  14                 for(Color c : colorTable.values())
  15                         c.dispose();
  16                 colorTable.clear();
  17         }
  18
  19         public Color get(RGB rgb) {
  20                 Color color = colorTable.get(rgb);
  21                 if (color == null) {
  22                         color = new Color(Display.getCurrent(), rgb);
  23                         colorTable.put(rgb, color);
  24                 }
  25                 return color;
  26         }
  27
  28 }