001/* 002 * SVG Salamander 003 * Copyright (c) 2004, Mark McKay 004 * All rights reserved. 005 * 006 * Redistribution and use in source and binary forms, with or 007 * without modification, are permitted provided that the following 008 * conditions are met: 009 * 010 * - Redistributions of source code must retain the above 011 * copyright notice, this list of conditions and the following 012 * disclaimer. 013 * - Redistributions in binary form must reproduce the above 014 * copyright notice, this list of conditions and the following 015 * disclaimer in the documentation and/or other materials 016 * provided with the distribution. 017 * 018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 019 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 020 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 021 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 022 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 025 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 026 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 027 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 029 * OF THE POSSIBILITY OF SUCH DAMAGE. 030 * 031 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other 032 * projects can be found at http://www.kitfox.com 033 * 034 * Created on January 26, 2004, 8:40 PM 035 */ 036 037package com.kitfox.svg.pathcmd; 038 039//import org.apache.batik.ext.awt.geom.ExtendedGeneralPath; 040import java.awt.geom.*; 041 042/** 043 * @author Mark McKay 044 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 045 */ 046public class CubicSmooth extends PathCommand { 047 048 public float x = 0f; 049 public float y = 0f; 050 public float k2x = 0f; 051 public float k2y = 0f; 052 053 /** Creates a new instance of MoveTo */ 054 public CubicSmooth() { 055 } 056 057 public CubicSmooth(boolean isRelative, float k2x, float k2y, float x, float y) { 058 super(isRelative); 059 this.k2x = k2x; 060 this.k2y = k2y; 061 this.x = x; 062 this.y = y; 063 } 064 065// public void appendPath(ExtendedGeneralPath path, BuildHistory hist) 066 public void appendPath(GeneralPath path, BuildHistory hist) 067 { 068 float offx = isRelative ? hist.lastPoint.x : 0f; 069 float offy = isRelative ? hist.lastPoint.y : 0f; 070 071 float oldKx = hist.lastKnot.x; 072 float oldKy = hist.lastKnot.y; 073 float oldX = hist.lastPoint.x; 074 float oldY = hist.lastPoint.y; 075 //Calc knot as reflection of old knot 076 float k1x = oldX * 2f - oldKx; 077 float k1y = oldY * 2f - oldKy; 078 079 path.curveTo(k1x, k1y, k2x + offx, k2y + offy, x + offx, y + offy); 080 hist.setLastPoint(x + offx, y + offy); 081 hist.setLastKnot(k2x + offx, k2y + offy); 082 } 083 084 public int getNumKnotsAdded() 085 { 086 return 6; 087 } 088 089 public String toString() 090 { 091 return "S " + k2x + " " + k2y 092 + " " + x + " " + y; 093 } 094}