1/*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.java2d.pipe;
27
28import java.awt.Rectangle;
29import java.awt.Shape;
30import java.awt.geom.Arc2D;
31import java.awt.geom.Ellipse2D;
32import java.awt.geom.Line2D;
33import java.awt.geom.RoundRectangle2D;
34import java.awt.geom.GeneralPath;
35import sun.java2d.SunGraphics2D;
36
37/**
38 * This class converts calls to the basic pixel rendering methods
39 * into calls to a generic Shape rendering pipeline.
40 */
41public class PixelToShapeConverter
42    implements PixelDrawPipe, PixelFillPipe
43{
44    ShapeDrawPipe outpipe;
45
46    public PixelToShapeConverter(ShapeDrawPipe pipe) {
47        outpipe = pipe;
48    }
49
50    public void drawLine(SunGraphics2D sg,
51                         int x1, int y1, int x2, int y2) {
52        outpipe.draw(sg, new Line2D.Float(x1, y1, x2, y2));
53    }
54
55    public void drawRect(SunGraphics2D sg,
56                         int x, int y, int w, int h) {
57        outpipe.draw(sg, new Rectangle(x, y, w, h));
58    }
59
60    public void fillRect(SunGraphics2D sg,
61                         int x, int y, int w, int h) {
62        outpipe.fill(sg, new Rectangle(x, y, w, h));
63    }
64
65    public void drawRoundRect(SunGraphics2D sg,
66                              int x, int y, int w, int h,
67                              int aW, int aH) {
68        outpipe.draw(sg, new RoundRectangle2D.Float(x, y, w, h, aW, aH));
69    }
70
71    public void fillRoundRect(SunGraphics2D sg,
72                              int x, int y, int w, int h,
73                              int aW, int aH) {
74        outpipe.fill(sg, new RoundRectangle2D.Float(x, y, w, h, aW, aH));
75    }
76
77    public void drawOval(SunGraphics2D sg,
78                         int x, int y, int w, int h) {
79        outpipe.draw(sg, new Ellipse2D.Float(x, y, w, h));
80    }
81
82    public void fillOval(SunGraphics2D sg,
83                         int x, int y, int w, int h) {
84        outpipe.fill(sg, new Ellipse2D.Float(x, y, w, h));
85    }
86
87    public void drawArc(SunGraphics2D sg,
88                        int x, int y, int w, int h,
89                        int start, int extent) {
90        outpipe.draw(sg, new Arc2D.Float(x, y, w, h,
91                                         start, extent, Arc2D.OPEN));
92    }
93
94    public void fillArc(SunGraphics2D sg,
95                        int x, int y, int w, int h,
96                        int start, int extent) {
97        outpipe.fill(sg, new Arc2D.Float(x, y, w, h,
98                                         start, extent, Arc2D.PIE));
99    }
100
101    private Shape makePoly(int xPoints[], int yPoints[],
102                           int nPoints, boolean close) {
103        GeneralPath gp = new GeneralPath(GeneralPath.WIND_EVEN_ODD);
104        if (nPoints > 0) {
105            gp.moveTo(xPoints[0], yPoints[0]);
106            for (int i = 1; i < nPoints; i++) {
107                gp.lineTo(xPoints[i], yPoints[i]);
108            }
109            if (close) {
110                gp.closePath();
111            }
112        }
113        return gp;
114    }
115
116    public void drawPolyline(SunGraphics2D sg,
117                             int xPoints[], int yPoints[],
118                             int nPoints) {
119        outpipe.draw(sg, makePoly(xPoints, yPoints, nPoints, false));
120    }
121
122    public void drawPolygon(SunGraphics2D sg,
123                            int xPoints[], int yPoints[],
124                            int nPoints) {
125        outpipe.draw(sg, makePoly(xPoints, yPoints, nPoints, true));
126    }
127
128    public void fillPolygon(SunGraphics2D sg,
129                            int xPoints[], int yPoints[],
130                            int nPoints) {
131        outpipe.fill(sg, makePoly(xPoints, yPoints, nPoints, true));
132    }
133}
134