bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/utils/QualityHints.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.scenegraph.utils;
  13
  14 import java.awt.Graphics2D;
  15 import java.awt.RenderingHints;
  16
  17 /**
  18  * Rendering quality hints
  19  *
  20  * @author Toni Kalajainen
  21  */
  22 public class QualityHints {
  23
  24     public static final QualityHints HIGH_QUALITY_HINTS =
  25         new QualityHints(RenderingHints.VALUE_RENDER_QUALITY,
  26                 RenderingHints.VALUE_ANTIALIAS_ON,
  27                 RenderingHints.VALUE_TEXT_ANTIALIAS_ON,
  28                 RenderingHints.VALUE_INTERPOLATION_BICUBIC);
  29
  30     public static final QualityHints GOOD_QUALITY_HINTS =
  31         new QualityHints(RenderingHints.VALUE_RENDER_DEFAULT,
  32                 RenderingHints.VALUE_ANTIALIAS_ON,
  33                 RenderingHints.VALUE_TEXT_ANTIALIAS_ON,
  34                 RenderingHints.VALUE_INTERPOLATION_BILINEAR);
  35
  36     public static final QualityHints LOW_QUALITY_HINTS =
  37         new QualityHints(RenderingHints.VALUE_RENDER_SPEED,
  38                 RenderingHints.VALUE_ANTIALIAS_OFF,
  39                 RenderingHints.VALUE_TEXT_ANTIALIAS_OFF,
  40                 RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
  41
  42     public static QualityHints getHints(Quality forQuality) {
  43         if (forQuality == null)
  44             return null;
  45         switch (forQuality) {
  46             case GOOD: return GOOD_QUALITY_HINTS;
  47             case HIGH: return HIGH_QUALITY_HINTS;
  48             case LOW: return LOW_QUALITY_HINTS;
  49             default: return HIGH_QUALITY_HINTS;
  50         }
  51     }
  52
  53     public final Object rendering;
  54     public final Object antialiasing;
  55     public final Object textAntiAliasing;
  56     public final Object interpolation;
  57
  58     public QualityHints(Object rendering, Object antialiasing, Object textAntiAliasing, Object interpolation) {
  59         this.rendering = rendering;
  60         this.antialiasing = antialiasing;
  61         this.textAntiAliasing = textAntiAliasing;
  62         this.interpolation = interpolation;
  63     }
  64
  65     public void setQuality(Graphics2D g) {
  66         if (rendering!=null)
  67             g.setRenderingHint(RenderingHints.KEY_RENDERING, rendering);
  68         if (antialiasing!=null)
  69             g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antialiasing);
  70         if (textAntiAliasing!=null)
  71             g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, textAntiAliasing);
  72         if (interpolation!=null)
  73             g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, interpolation);
  74     }
  75
  76     public static QualityHints getQuality(Graphics2D g) {
  77         return new QualityHints(
  78                 g.getRenderingHint(RenderingHints.KEY_RENDERING),
  79                 g.getRenderingHint(RenderingHints.KEY_ANTIALIASING),
  80                 g.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING),
  81                 g.getRenderingHint(RenderingHints.KEY_INTERPOLATION)
  82         );
  83     }
  84
  85 }