tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/provisional/tmf/ui/views/timegraph2/swtjfx/JfxColorFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016 EfficiOS Inc., Alexandre Montplaisir
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *******************************************************************************/
   9
  10 package org.eclipse.tracecompass.internal.provisional.tmf.ui.views.timegraph2.swtjfx;
  11
  12 import java.util.Map;
  13 import java.util.concurrent.ConcurrentHashMap;
  14
  15 import org.eclipse.tracecompass.internal.provisional.tmf.core.views.timegraph2.ColorDefinition;
  16
  17 import javafx.scene.paint.Color;
  18
  19 final class JfxColorFactory {
  20
  21     private JfxColorFactory() {}
  22
  23     private static final Map<ColorDefinition, Color> COLOR_MAP = new ConcurrentHashMap<>();
  24
  25     /**
  26      * Instantiate a {@link Color} from a {@link ColorDefinition} object.
  27      *
  28      * @param colorDef
  29      *            The ColorDefinition
  30      * @return The Color object
  31      */
  32     public static Color getColorFromDef(ColorDefinition colorDef) {
  33         Color color = COLOR_MAP.get(colorDef);
  34         if (color == null) {
  35             color = Color.rgb(colorDef.fRed, colorDef.fGreen, colorDef.fBlue, (double) colorDef.fAlpha / (double) ColorDefinition.MAX);
  36             COLOR_MAP.put(colorDef, color);
  37         }
  38         return color;
  39     }
  40
  41 }