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2    * This demo file is part of yFiles for Java 2.14.
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4    * 72070 Tuebingen, Germany. All rights reserved.
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11   * demo is shipped with are allowed to use the demo source code as basis
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14   * license agreement.
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28  package demo.view.flowchart.painters;
29  
30  import y.view.NodeRealizer;
31  import y.view.GenericNodeRealizer;
32  
33  import java.awt.Shape;
34  import java.awt.geom.GeneralPath;
35  
36  /**
37   * Draws the data symbol of flowchart diagrams.
38   */
39  public class FlowchartDataPainter extends AbstractFlowchartPainter {
40    protected Shape newShape( NodeRealizer context ) {
41      double x = context.getX();
42      double y = context.getY();
43      double height = context.getHeight();
44      double width = context.getWidth();
45  
46      double inclination = Math.min(getInclination(context, FLOWCHART_DEFAULT_DATA_INCLINATION), 0.5);
47      double borderDistance = inclination * Math.min(width, height);
48  
49      GeneralPath shapePath = new GeneralPath();
50      shapePath.moveTo((float)(x + borderDistance), (float)y);
51      shapePath.lineTo((float)(x + width), (float)y);
52      shapePath.lineTo((float)(x + width - borderDistance), (float)(y + height));
53      shapePath.lineTo((float)x, (float)(y + height));
54      shapePath.closePath();
55      return shapePath;
56    }
57  
58    protected double getInclination( NodeRealizer context, double defaultValue ) {
59      GenericNodeRealizer gnr = (GenericNodeRealizer) context;
60      Object value = gnr.getStyleProperty(PROPERTY_INCLINATION);
61      if (value instanceof Number) {
62        return ((Number) value).doubleValue();
63      } else {
64        return defaultValue;
65      }
66    }
67  }
68