1 files changed, 119 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/animation/TrackDouble.java b/src/main/java/com/kitfox/svg/animation/TrackDouble.java
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+++ b/src/main/java/com/kitfox/svg/animation/TrackDouble.java
@@ -0,0 +1,119 @@
+/*
+ * TrackManager.java
+ *
+ *  The Salamander Project - 2D and 3D graphics libraries in Java
+ *  Copyright (C) 2004 Mark McKay
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
+ *  projects can be found at http://www.kitfox.com
+ *
+ * Created on August 15, 2004, 11:34 PM
+ */
+
+package com.kitfox.svg.animation;
+
+import com.kitfox.svg.xml.StyleAttribute;
+import java.util.*;
+
+import com.kitfox.svg.*;
+import com.kitfox.svg.xml.*;
+
+/**
+ * A track holds the animation events for a single parameter of a single SVG
+ * element.  It also contains the default value for the element, should the
+ * user want to see the 'unanimated' value.
+ *
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class TrackDouble extends TrackBase
+{
+    public TrackDouble(AnimationElement ele) throws SVGElementException
+    {
+        super(ele.getParent(), ele);
+    }
+
+    public boolean getValue(StyleAttribute attrib, double curTime)
+    {
+        double val = getValue(curTime);
+        if (Double.isNaN(val)) return false;
+
+        attrib.setStringValue("" + val);
+        return true;
+    }
+
+    public double getValue(double curTime)
+    {
+        double retVal = Double.NaN;
+        
+        StyleAttribute attr = null;
+        switch (attribType)
+        {
+            case AnimationElement.AT_CSS:
+                attr = parent.getStyleAbsolute(attribName);
+                retVal = attr.getDoubleValue();
+                break;
+            case AnimationElement.AT_XML:
+                attr = parent.getPresAbsolute(attribName);
+                retVal = attr.getDoubleValue();
+                break;
+            case AnimationElement.AT_AUTO:
+                attr = parent.getStyleAbsolute(attribName);
+                if (attr == null) attr = parent.getPresAbsolute(attribName);
+                retVal = attr.getDoubleValue();
+                break;
+        }
+        
+        
+        
+        AnimationTimeEval state = new AnimationTimeEval();
+//        boolean pastEnd = true;
+
+        for (Iterator it = animEvents.iterator(); it.hasNext();)
+        {
+            Animate ele = (Animate)it.next();
+            ele.evalParametric(state, curTime);
+
+            //Go to next element if this one does not affect processing
+            if (Double.isNaN(state.interp)) continue;
+
+            switch (ele.getAdditiveType())
+            {
+                case AnimationElement.AD_SUM:
+                    retVal += ele.eval(state.interp);
+                    break;
+                case AnimationElement.AD_REPLACE:
+                    retVal = ele.eval(state.interp);
+                    break;
+            }
+            
+            //Evalutae accumulation if applicable
+            if (state.rep > 0)
+            {
+                switch (ele.getAccumulateType())
+                {
+                    case AnimationElement.AC_SUM:
+                        retVal += ele.repeatSkipSize(state.rep);
+                        break;
+                }
+                
+            }
+        }
+
+        return retVal;
+    }
+}