1 files changed, 81 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/animation/AnimateColor.java b/src/main/java/com/kitfox/svg/animation/AnimateColor.java
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+++ b/src/main/java/com/kitfox/svg/animation/AnimateColor.java
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+/*
+ * Animate.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, 2:51 AM
+ */
+
+package com.kitfox.svg.animation;
+
+import org.xml.sax.*;
+import java.awt.*;
+
+import com.kitfox.svg.*;
+import com.kitfox.svg.xml.*;
+
+/**
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class AnimateColor extends AnimateBase implements AnimateColorIface
+{
+    
+    protected Color fromValue;
+    protected Color toValue;
+    
+    /** Creates a new instance of Animate */
+    public AnimateColor()
+    {
+    }
+    
+    public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent) throws SAXException
+    {
+		//Load style string
+        super.loaderStartElement(helper, attrs, parent);
+
+        String strn = attrs.getValue("from");
+        fromValue = ColorTable.parseColor(strn);
+
+        strn = attrs.getValue("to");
+        toValue = ColorTable.parseColor(strn);
+    }
+
+    
+    /**
+     * Evaluates this animation element for the passed interpolation time.  Interp
+     * must be on [0..1].
+     */
+    public Color evalColor(double interp)
+    {
+        int r1 = fromValue.getRed();
+        int g1 = fromValue.getGreen();
+        int b1 = fromValue.getBlue();
+        int r2 = toValue.getRed();
+        int g2 = toValue.getGreen();
+        int b2 = toValue.getBlue();
+        double invInterp = 1.0 - interp;
+        
+        return new Color((int)(r1 * invInterp + r2 * interp), 
+            (int)(g1 * invInterp + g2 * interp), 
+            (int)(b1 * invInterp + b2 * interp));
+    }
+}