1 /* QPainterPath.java -- 2 Copyright (C) 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 package gnu.java.awt.peer.qt; 39 40 import java.awt.Shape; 41 import java.awt.geom.AffineTransform; 42 import java.awt.geom.PathIterator; 43 import java.awt.geom.GeneralPath; 44 45 /** 46 * A simple wrapper class for a QPainterPath, 47 * createable from an AWT Shape 48 */ 49 public class QPainterPath extends NativeWrapper 50 { QPainterPath()51 QPainterPath() 52 { 53 } 54 QPainterPath( Shape s )55 public QPainterPath( Shape s ) 56 { 57 PathIterator pi = s.getPathIterator( new AffineTransform() ); 58 double[] coords = new double[6]; 59 60 init( pi.getWindingRule() ); 61 62 while( !pi.isDone() ) 63 { 64 switch( pi.currentSegment(coords) ) 65 { 66 case PathIterator.SEG_MOVETO: 67 moveTo( coords[0], coords[1] ); 68 break; 69 70 case PathIterator.SEG_CLOSE: 71 close(); 72 break; 73 74 case PathIterator.SEG_LINETO: 75 lineTo( coords[0], coords[1] ); 76 break; 77 78 case PathIterator.SEG_QUADTO: 79 quadTo( coords[0], coords[1], coords[2], coords[3] ); 80 break; 81 82 case PathIterator.SEG_CUBICTO: 83 cubicTo( coords[0], coords[1], 84 coords[2], coords[3], 85 coords[4], coords[5] ); 86 break; 87 } 88 pi.next(); 89 } 90 } 91 92 /** 93 * Constructor for rectangles. 94 */ QPainterPath( double x, double y, double w, double h )95 public QPainterPath( double x, double y, double w, double h ) 96 { 97 init(PathIterator.WIND_EVEN_ODD); 98 moveTo( x, y ); 99 lineTo( x + w, y ); 100 lineTo( x + w, y + h ); 101 lineTo( x , y + h ); 102 lineTo( x, y ); 103 close(); 104 } 105 106 /** 107 * Constructor for lines. 108 */ QPainterPath( double x1, double y1, double x2, double y2, boolean s )109 public QPainterPath( double x1, double y1, double x2, double y2, boolean s ) 110 { 111 init(PathIterator.WIND_EVEN_ODD); 112 moveTo( x1, y1 ); 113 lineTo( x2, y2 ); 114 } 115 116 /** 117 * Returns the QPainterPath as a GeneralPath 118 */ getPath()119 public native GeneralPath getPath(); 120 init(int windingRule)121 private native void init(int windingRule); 122 moveTo(double x, double y)123 private native void moveTo(double x, double y); 124 close()125 private native void close(); 126 lineTo(double x, double y)127 private native void lineTo(double x, double y); 128 quadTo(double x1, double y1, double x2, double y2)129 private native void quadTo(double x1, double y1, double x2, double y2); 130 cubicTo(double x1, double y1, double x2, double y2, double x3, double y3)131 private native void cubicTo(double x1, double y1, double x2, double y2, 132 double x3, double y3); 133 dispose()134 public native void dispose(); 135 finalize()136 public void finalize() 137 { 138 dispose(); 139 } 140 } 141