|
1
8 package com.nightlabs.editor2d.figures;
9
10 import java.awt.Graphics2D  ;
11 import java.awt.geom.Area ;
12
13 import org.apache.log4j.Logger;
14 import org.eclipse.draw2d.Figure;
15 import org.eclipse.draw2d.Graphics;
16 import org.eclipse.draw2d.J2DGraphics;
17 import org.eclipse.draw2d.geometry.Rectangle;
18 import org.eclipse.gef.editparts.ZoomListener;
19
20 import com.nightlabs.editor2d.DrawComponent;
21 import com.nightlabs.editor2d.ShapeDrawComponent;
22 import com.nightlabs.editor2d.j2d.GeneralShape;
23 import com.nightlabs.editor2d.render.Renderer;
24 import com.nightlabs.editor2d.util.J2DUtil;
25
26
27 public class DrawComponentFigure
28 extends Figure
30 implements RendererFigure
31 {
32 public static final Logger LOGGER = Logger.getLogger(DrawComponentFigure.class.getName());
33
34 protected J2DGraphics j2d;
35 protected Graphics2D g2d;
36 public void paint(Graphics graphics)
37 {
38 if (graphics instanceof J2DGraphics) {
39 j2d = (J2DGraphics) graphics;
40 g2d = j2d.createGraphics2D();
41 g2d.setClip(null);
42 if (renderer != null)
43 renderer.paint(drawComponent, g2d);
44 g2d.dispose();
45 }
46 }
47
48 public void paint(Graphics2D graphics)
49 {
50 if (renderer == null && drawComponent != null)
51 renderer = drawComponent.getRenderer();
52 if (renderer != null)
53 renderer.paint(drawComponent, graphics);
54 }
55
56 protected Renderer renderer;
57 public void setRenderer(Renderer renderer) {
58 this.renderer = renderer;
59 }
60
61 protected DrawComponent drawComponent;
62 public void setDrawComponent(DrawComponent drawComponent) {
63 this.drawComponent = drawComponent;
64 }
65
66 public boolean containsPoint(int x, int y)
67 {
68 if (drawComponent != null) {
69 if (drawComponent instanceof ShapeDrawComponent) {
70 ShapeDrawComponent sdc = (ShapeDrawComponent) drawComponent;
71 if (sdc.isFill()) {
72 return sdc.getGeneralShape().contains(x,y);
73 }
74 else
75 {
76 if (outlineArea == null)
77 {
78 Rectangle outerBounds = getBounds().getCopy();
79 Rectangle innerBounds = getBounds().getCopy();
80 outerBounds.expand((int)hitTolerance, (int)hitTolerance);
81 innerBounds.shrink((int)hitTolerance, (int)hitTolerance);
82 GeneralShape outerGS = (GeneralShape) sdc.getGeneralShape().clone();
83 GeneralShape innerGS = (GeneralShape) sdc.getGeneralShape().clone();
84 J2DUtil.transformGeneralShape(outerGS, getBounds(), outerBounds);
85 J2DUtil.transformGeneralShape(innerGS, getBounds(), innerBounds);
86 outlineArea = new Area (outerGS);
87 Area innerArea = new Area (innerGS);
88 outlineArea.exclusiveOr(innerArea);
89 }
90 boolean contains = outlineArea.contains(x,y);
91 outlineArea = null;
92 return contains;
93 }
94 }
95 }
96 return super.containsPoint(x, y);
97 }
98
99 public static final double DEFAULT_HIT_TOLERANCE = 3;
100 protected double hitTolerance = DEFAULT_HIT_TOLERANCE;
101 public double getHitTolerance() {
102 return hitTolerance;
103 }
104 public void setHitTolerance(double hitTolerance) {
105 this.hitTolerance = hitTolerance;
106 }
107
108 protected Area outlineArea;
109
110 protected ZoomListener zoomListener = new ZoomListener()
111 {
112 public void zoomChanged(double zoom)
113 {
114 hitTolerance = DEFAULT_HIT_TOLERANCE / zoom;
115 }
116 };
117 public ZoomListener getZoomListener() {
118 return zoomListener;
119 }
120 }
121 |
Popular Tags |
Java API By Example, From Geeks To Geeks.