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    public String getTagName()
074    {
075        return TAG_NAME;
076    }
077
078    /**
079     * Called after the start element but before the end element to indicate
080     * each child tag that has been processed
081     */
082    public void loaderAddChild(SVGLoaderHelper helper, SVGElement child) throws SVGElementException
083    {
084        super.loaderAddChild(helper, child);
085
086        if (child instanceof FilterEffects)
087        {
088//            filterEffects.add(child);
089        }
090    }
091
092    protected void build() throws SVGException
093    {
094        super.build();
095
096        StyleAttribute sty = new StyleAttribute();
097        String strn;
098        /*
099         if (getPres(sty.setName("filterUnits")))
100         {
101         strn = sty.getStringValue().toLowerCase();
102         if (strn.equals("userspaceonuse")) filterUnits = FU_USER_SPACE_ON_USE;
103         else filterUnits = FU_OBJECT_BOUNDING_BOX;
104         }
105
106         if (getPres(sty.setName("primitiveUnits")))
107         {
108         strn = sty.getStringValue().toLowerCase();
109         if (strn.equals("userspaceonuse")) primitiveUnits = PU_USER_SPACE_ON_USE;
110         else primitiveUnits = PU_OBJECT_BOUNDING_BOX;
111         }
112
113         if (getPres(sty.setName("x"))) x = sty.getFloatValue();
114
115         if (getPres(sty.setName("y"))) y = sty.getFloatValue();
116
117         if (getPres(sty.setName("width"))) width = sty.getFloatValue();
118
119         if (getPres(sty.setName("height"))) height = sty.getFloatValue();
120
121         try {
122         if (getPres(sty.setName("xlink:href")))
123         {
124         URI src = sty.getURIValue(getXMLBase());
125         href = src.toURL();
126         }
127         }
128         catch (Exception e)
129         {
130         throw new SVGException(e);
131         }
132         */
133    }
134
135    public float getX()
136    {
137        return x;
138    }
139
140    public float getY()
141    {
142        return y;
143    }
144
145    public float getWidth()
146    {
147        return width;
148    }
149
150    public float getHeight()
151    {
152        return height;
153    }
154
155    public boolean updateTime(double curTime) throws SVGException
156    {
157//        if (trackManager.getNumTracks() == 0) return false;
158
159        //Get current values for parameters
160        StyleAttribute sty = new StyleAttribute();
161        boolean stateChange = false;
162
163        if (getPres(sty.setName("x")))
164        {
165            float newVal = sty.getFloatValueWithUnits();
166            if (newVal != x)
167            {
168                x = newVal;
169                stateChange = true;
170            }
171        }
172
173        if (getPres(sty.setName("y")))
174        {
175            float newVal = sty.getFloatValueWithUnits();
176            if (newVal != y)
177            {
178                y = newVal;
179                stateChange = true;
180            }
181        }
182
183        if (getPres(sty.setName("width")))
184        {
185            float newVal = sty.getFloatValueWithUnits();
186            if (newVal != width)
187            {
188                width = newVal;
189                stateChange = true;
190            }
191        }
192
193        if (getPres(sty.setName("height")))
194        {
195            float newVal = sty.getFloatValueWithUnits();
196            if (newVal != height)
197            {
198                height = newVal;
199                stateChange = true;
200            }
201        }
202
203        try
204        {
205            if (getPres(sty.setName("xlink:href")))
206            {
207                URI src = sty.getURIValue(getXMLBase());
208                URL newVal = src.toURL();
209
210                if (!newVal.equals(href))
211                {
212                    href = newVal;
213                    stateChange = true;
214                }
215            }
216        } catch (Exception e)
217        {
218            throw new SVGException(e);
219        }
220
221        /*
222         if (getPres(sty.setName("filterUnits")))
223         {
224         int newVal;
225         String strn = sty.getStringValue().toLowerCase();
226         if (strn.equals("userspaceonuse")) newVal = FU_USER_SPACE_ON_USE;
227         else newVal = FU_OBJECT_BOUNDING_BOX;
228         if (newVal != filterUnits)
229         {
230         filterUnits = newVal;
231         stateChange = true;
232         }
233         }
234
235         if (getPres(sty.setName("primitiveUnits")))
236         {
237         int newVal;
238         String strn = sty.getStringValue().toLowerCase();
239         if (strn.equals("userspaceonuse")) newVal = PU_USER_SPACE_ON_USE;
240         else newVal = PU_OBJECT_BOUNDING_BOX;
241         if (newVal != filterUnits)
242         {
243         primitiveUnits = newVal;
244         stateChange = true;
245         }
246         }
247
248         */
249
250        return stateChange;
251    }
252}