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 26 package sun.java2d.pipe; 27 28 import java.awt.Rectangle; 29 import java.awt.Shape; 30 import java.awt.geom.Arc2D; 31 import java.awt.geom.Ellipse2D; 32 import java.awt.geom.Line2D; 33 import java.awt.geom.RoundRectangle2D; 34 import java.awt.geom.GeneralPath; 35 import 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 */ 41 public 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 }