|
1
27
28 package org.nightlabs.editor2d.figures;
29
30 import java.awt.Graphics2D  ;
31 import java.awt.geom.Area ;
32
33 import org.apache.log4j.Logger;
34 import org.eclipse.draw2d.Figure;
35 import org.eclipse.draw2d.Graphics;
36 import org.eclipse.draw2d.J2DGraphics;
37 import org.eclipse.draw2d.geometry.Rectangle;
38 import org.eclipse.gef.editparts.ZoomListener;
39 import org.nightlabs.editor2d.DrawComponent;
40 import org.nightlabs.editor2d.ShapeDrawComponent;
41 import org.nightlabs.editor2d.j2d.GeneralShape;
42 import org.nightlabs.editor2d.render.Renderer;
43 import org.nightlabs.editor2d.util.J2DUtil;
44
45
46 public class DrawComponentFigure
47 extends Figure
49 implements RendererFigure
50 {
51 public static final Logger LOGGER = Logger.getLogger(DrawComponentFigure.class.getName());
52
53 protected J2DGraphics j2d;
54 protected Graphics2D g2d;
55 public void paint(Graphics graphics)
56 {
57 if (graphics instanceof J2DGraphics) {
58 j2d = (J2DGraphics) graphics;
59 g2d = j2d.createGraphics2D();
60 g2d.setClip(null);
61 if (renderer != null)
62 renderer.paint(drawComponent, g2d);
63
64 g2d.dispose();
65 }
66 }
67
68 public void paint(Graphics2D graphics)
69 {
70 if (renderer == null && drawComponent != null)
71 renderer = drawComponent.getRenderer();
72 if (renderer != null)
73 renderer.paint(drawComponent, graphics);
74 }
75
76 protected Renderer renderer;
77 public void setRenderer(Renderer renderer) {
78 this.renderer = renderer;
79 }
80
81 protected DrawComponent drawComponent;
82 public void setDrawComponent(DrawComponent drawComponent) {
83 this.drawComponent = drawComponent;
84 }
85
86 public boolean containsPoint(int x, int y)
87 {
88 if (drawComponent != null) {
89 if (drawComponent instanceof ShapeDrawComponent) {
90 ShapeDrawComponent sdc = (ShapeDrawComponent) drawComponent;
91 if (sdc.isFill()) {
92 return sdc.getGeneralShape().contains(x,y);
93 }
94 else
95 {
96 if (outlineArea == null)
97 {
98 Rectangle outerBounds = getBounds().getCopy();
99 Rectangle innerBounds = getBounds().getCopy();
100 outerBounds.expand((int)hitTolerance, (int)hitTolerance);
101 innerBounds.shrink((int)hitTolerance, (int)hitTolerance);
102 GeneralShape outerGS = (GeneralShape) sdc.getGeneralShape().clone();
103 GeneralShape innerGS = (GeneralShape) sdc.getGeneralShape().clone();
104 J2DUtil.transformGeneralShape(outerGS, getBounds(), outerBounds);
105 J2DUtil.transformGeneralShape(innerGS, getBounds(), innerBounds);
106 outlineArea = new Area (outerGS);
107 Area innerArea = new Area (innerGS);
108 outlineArea.exclusiveOr(innerArea);
109 }
110 boolean contains = outlineArea.contains(x,y);
111 outlineArea = null;
112 return contains;
113 }
114 }
115 }
116 return super.containsPoint(x, y);
117 }
118
119 public static final double DEFAULT_HIT_TOLERANCE = 3;
120 protected double hitTolerance = DEFAULT_HIT_TOLERANCE;
121 public double getHitTolerance() {
122 return hitTolerance;
123 }
124 public void setHitTolerance(double hitTolerance) {
125 this.hitTolerance = hitTolerance;
126 }
127
128 protected Area outlineArea;
129
130 protected ZoomListener zoomListener = new ZoomListener() {
131 public void zoomChanged(double zoom) {
132 hitTolerance = DEFAULT_HIT_TOLERANCE / zoom;
133 }
134 };
135 public ZoomListener getZoomListener() {
136 return zoomListener;
137 }
138
139 public Rectangle getBounds() {
140 if (drawComponent != null)
141 return J2DUtil.toDraw2D(drawComponent.getBounds());
142
143 return super.getBounds();
144 }
145
146
169 }
170 |
Popular Tags |
Java API By Example, From Geeks To Geeks.