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 March 18, 2004, 6:52 AM 035 */ 036package com.kitfox.svg; 037 038import com.kitfox.svg.xml.StyleAttribute; 039import java.net.URI; 040import java.net.URL; 041 042/** 043 * @author Mark McKay 044 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 045 */ 046public class FilterEffects extends SVGElement 047{ 048 public static final String TAG_NAME = "filtereffects"; 049 050 public static final int FP_SOURCE_GRAPHIC = 0; 051 public static final int FP_SOURCE_ALPHA = 1; 052 public static final int FP_BACKGROUND_IMAGE = 2; 053 public static final int FP_BACKGROUND_ALPHA = 3; 054 public static final int FP_FILL_PAINT = 4; 055 public static final int FP_STROKE_PAINT = 5; 056 public static final int FP_CUSTOM = 5; 057 private int filterPrimitiveTypeIn; 058 private String filterPrimitiveRefIn; 059 float x = 0f; 060 float y = 0f; 061 float width = 1f; 062 float height = 1f; 063 String result = "defaultFilterName"; 064 URL href = null; 065 066 /** 067 * Creates a new instance of FillElement 068 */ 069 public FilterEffects() 070 { 071 } 072 073 @Override 074 public String getTagName() 075 { 076 return TAG_NAME; 077 } 078 079 /** 080 * Called after the start element but before the end element to indicate 081 * each child tag that has been processed 082 */ 083 @Override 084 public void loaderAddChild(SVGLoaderHelper helper, SVGElement child) throws SVGElementException 085 { 086 super.loaderAddChild(helper, child); 087 088 if (child instanceof FilterEffects) 089 { 090// filterEffects.add(child); 091 } 092 } 093 094 @Override 095 protected void build() throws SVGException 096 { 097 super.build(); 098 099 /*StyleAttribute sty = new StyleAttribute(); 100 String strn; 101 102 if (getPres(sty.setName("filterUnits"))) 103 { 104 strn = sty.getStringValue().toLowerCase(); 105 if (strn.equals("userspaceonuse")) filterUnits = FU_USER_SPACE_ON_USE; 106 else filterUnits = FU_OBJECT_BOUNDING_BOX; 107 } 108 109 if (getPres(sty.setName("primitiveUnits"))) 110 { 111 strn = sty.getStringValue().toLowerCase(); 112 if (strn.equals("userspaceonuse")) primitiveUnits = PU_USER_SPACE_ON_USE; 113 else primitiveUnits = PU_OBJECT_BOUNDING_BOX; 114 } 115 116 if (getPres(sty.setName("x"))) x = sty.getFloatValue(); 117 118 if (getPres(sty.setName("y"))) y = sty.getFloatValue(); 119 120 if (getPres(sty.setName("width"))) width = sty.getFloatValue(); 121 122 if (getPres(sty.setName("height"))) height = sty.getFloatValue(); 123 124 try { 125 if (getPres(sty.setName("xlink:href"))) 126 { 127 URI src = sty.getURIValue(getXMLBase()); 128 href = src.toURL(); 129 } 130 } 131 catch (Exception e) 132 { 133 throw new SVGException(e); 134 } 135 */ 136 } 137 138 public float getX() 139 { 140 return x; 141 } 142 143 public float getY() 144 { 145 return y; 146 } 147 148 public float getWidth() 149 { 150 return width; 151 } 152 153 public float getHeight() 154 { 155 return height; 156 } 157 158 @Override 159 public boolean updateTime(double curTime) throws SVGException 160 { 161// if (trackManager.getNumTracks() == 0) return false; 162 163 //Get current values for parameters 164 StyleAttribute sty = new StyleAttribute(); 165 boolean stateChange = false; 166 167 if (getPres(sty.setName("x"))) 168 { 169 float newVal = sty.getFloatValueWithUnits(); 170 if (newVal != x) 171 { 172 x = newVal; 173 stateChange = true; 174 } 175 } 176 177 if (getPres(sty.setName("y"))) 178 { 179 float newVal = sty.getFloatValueWithUnits(); 180 if (newVal != y) 181 { 182 y = newVal; 183 stateChange = true; 184 } 185 } 186 187 if (getPres(sty.setName("width"))) 188 { 189 float newVal = sty.getFloatValueWithUnits(); 190 if (newVal != width) 191 { 192 width = newVal; 193 stateChange = true; 194 } 195 } 196 197 if (getPres(sty.setName("height"))) 198 { 199 float newVal = sty.getFloatValueWithUnits(); 200 if (newVal != height) 201 { 202 height = newVal; 203 stateChange = true; 204 } 205 } 206 207 try 208 { 209 if (getPres(sty.setName("xlink:href"))) 210 { 211 URI src = sty.getURIValue(getXMLBase()); 212 URL newVal = src.toURL(); 213 214 if (!newVal.equals(href)) 215 { 216 href = newVal; 217 stateChange = true; 218 } 219 } 220 } catch (Exception e) 221 { 222 throw new SVGException(e); 223 } 224 225 /* 226 if (getPres(sty.setName("filterUnits"))) 227 { 228 int newVal; 229 String strn = sty.getStringValue().toLowerCase(); 230 if (strn.equals("userspaceonuse")) newVal = FU_USER_SPACE_ON_USE; 231 else newVal = FU_OBJECT_BOUNDING_BOX; 232 if (newVal != filterUnits) 233 { 234 filterUnits = newVal; 235 stateChange = true; 236 } 237 } 238 239 if (getPres(sty.setName("primitiveUnits"))) 240 { 241 int newVal; 242 String strn = sty.getStringValue().toLowerCase(); 243 if (strn.equals("userspaceonuse")) newVal = PU_USER_SPACE_ON_USE; 244 else newVal = PU_OBJECT_BOUNDING_BOX; 245 if (newVal != filterUnits) 246 { 247 primitiveUnits = newVal; 248 stateChange = true; 249 } 250 } 251 252 */ 253 254 return stateChange; 255 } 256}