1
2 package org.freehep.graphicsio.emf.gdi;
3
4 import java.awt.Point;
5 import java.awt.Rectangle;
6 import java.awt.geom.GeneralPath;
7 import java.io.IOException;
8
9 import org.freehep.graphicsio.emf.EMFInputStream;
10 import org.freehep.graphicsio.emf.EMFTag;
11 import org.freehep.graphicsio.emf.EMFRenderer;
12
13
14
15
16
17
18
19 public class Polyline extends AbstractPolygon {
20
21 public Polyline() {
22 super(4, 1, null, 0, null);
23 }
24
25 public Polyline(Rectangle bounds, int numberOfPoints, Point[] points) {
26 super(4, 1, bounds, numberOfPoints, points);
27 }
28
29 protected Polyline (int id, int version, Rectangle bounds, int numberOfPoints, Point[] points) {
30 super(id, version, bounds, numberOfPoints, points);
31 }
32
33 public EMFTag read(int tagID, EMFInputStream emf, int len)
34 throws IOException {
35
36 Rectangle r = emf.readRECTL();
37 int n = emf.readDWORD();
38 return new Polyline(r, n, emf.readPOINTL(n));
39 }
40
41
42
43
44
45
46 public void render(EMFRenderer renderer) {
47 Point[] points = getPoints();
48 int numberOfPoints = getNumberOfPoints();
49
50 if (points != null && points.length > 0) {
51 GeneralPath gp = new GeneralPath(
52 renderer.getWindingRule());
53 Point p;
54 for (int point = 0; point < numberOfPoints; point ++) {
55
56 p = points[point];
57 if (point > 0) {
58 gp.lineTo((float) p.getX(), (float)p.getY());
59 } else {
60 gp.moveTo((float) p.getX(), (float)p.getY());
61 }
62 }
63 renderer.drawOrAppend(gp);
64 }
65 }
66 }