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 PixelToShapeConverter(ShapeDrawPipe pipe)46 public PixelToShapeConverter(ShapeDrawPipe pipe) { 47 outpipe = pipe; 48 } 49 drawLine(SunGraphics2D sg, int x1, int y1, int x2, int y2)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 drawRect(SunGraphics2D sg, int x, int y, int w, int h)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 fillRect(SunGraphics2D sg, int x, int y, int w, int h)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 drawRoundRect(SunGraphics2D sg, int x, int y, int w, int h, int aW, int aH)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 fillRoundRect(SunGraphics2D sg, int x, int y, int w, int h, int aW, int aH)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 drawOval(SunGraphics2D sg, int x, int y, int w, int h)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 fillOval(SunGraphics2D sg, int x, int y, int w, int h)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 drawArc(SunGraphics2D sg, int x, int y, int w, int h, int start, int extent)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 fillArc(SunGraphics2D sg, int x, int y, int w, int h, int start, int extent)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 makePoly(int xPoints[], int yPoints[], int nPoints, boolean close)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 drawPolyline(SunGraphics2D sg, int xPoints[], int yPoints[], int nPoints)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 drawPolygon(SunGraphics2D sg, int xPoints[], int yPoints[], int nPoints)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 fillPolygon(SunGraphics2D sg, int xPoints[], int yPoints[], int nPoints)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