diff options
Diffstat (limited to 'src/main/java/com/kitfox/svg/Filter.java')
| -rw-r--r-- | src/main/java/com/kitfox/svg/Filter.java | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/Filter.java b/src/main/java/com/kitfox/svg/Filter.java new file mode 100644 index 0000000..0c41f15 --- /dev/null +++ b/src/main/java/com/kitfox/svg/Filter.java @@ -0,0 +1,229 @@ +/*
+ * FillElement.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 March 18, 2004, 6:52 AM
+ */
+
+package com.kitfox.svg;
+
+import com.kitfox.svg.xml.StyleAttribute;
+import java.awt.*;
+import java.awt.geom.*;
+import java.net.*;
+import java.util.*;
+
+import com.kitfox.svg.xml.*;
+import org.xml.sax.*;
+
+/**
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class Filter extends SVGElement
+{
+ public static final int FU_OBJECT_BOUNDING_BOX = 0;
+ public static final int FU_USER_SPACE_ON_USE = 1;
+
+ protected int filterUnits = FU_OBJECT_BOUNDING_BOX;
+
+ public static final int PU_OBJECT_BOUNDING_BOX = 0;
+ public static final int PU_USER_SPACE_ON_USE = 1;
+
+ protected int primitiveUnits = PU_OBJECT_BOUNDING_BOX;
+
+ float x = 0f;
+ float y = 0f;
+ float width = 1f;
+ float height = 1f;
+
+ Point2D filterRes = new Point2D.Double();
+
+ URL href = null;
+
+ final Vector filterEffects = new Vector();
+
+ /** Creates a new instance of FillElement */
+ public Filter() {
+ }
+
+ /**
+ * Called after the start element but before the end element to indicate
+ * each child tag that has been processed
+ */
+ public void loaderAddChild(SVGLoaderHelper helper, SVGElement child) throws SVGElementException
+ {
+ super.loaderAddChild(helper, child);
+
+ if (child instanceof FilterEffects)
+ {
+ filterEffects.add(child);
+ }
+ }
+
+ protected void build() throws SVGException
+ {
+ super.build();
+
+ StyleAttribute sty = new StyleAttribute();
+ String strn;
+
+ if (getPres(sty.setName("filterUnits")))
+ {
+ strn = sty.getStringValue().toLowerCase();
+ if (strn.equals("userspaceonuse")) filterUnits = FU_USER_SPACE_ON_USE;
+ else filterUnits = FU_OBJECT_BOUNDING_BOX;
+ }
+
+ if (getPres(sty.setName("primitiveUnits")))
+ {
+ strn = sty.getStringValue().toLowerCase();
+ if (strn.equals("userspaceonuse")) primitiveUnits = PU_USER_SPACE_ON_USE;
+ else primitiveUnits = PU_OBJECT_BOUNDING_BOX;
+ }
+
+ if (getPres(sty.setName("x"))) x = sty.getFloatValueWithUnits();
+
+ if (getPres(sty.setName("y"))) y = sty.getFloatValueWithUnits();
+
+ if (getPres(sty.setName("width"))) width = sty.getFloatValueWithUnits();
+
+ if (getPres(sty.setName("height"))) height = sty.getFloatValueWithUnits();
+
+ try {
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ href = src.toURL();
+ }
+ }
+ catch (Exception e)
+ {
+ throw new SVGException(e);
+ }
+
+ }
+
+ public float getX() { return x; }
+ public float getY() { return y; }
+ public float getWidth() { return width; }
+ public float getHeight() { return height; }
+
+ public boolean updateTime(double curTime) throws SVGException
+ {
+// if (trackManager.getNumTracks() == 0) return false;
+
+ //Get current values for parameters
+ StyleAttribute sty = new StyleAttribute();
+ boolean stateChange = false;
+
+ if (getPres(sty.setName("x")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != x)
+ {
+ x = newVal;
+ stateChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("y")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != y)
+ {
+ y = newVal;
+ stateChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("width")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != width)
+ {
+ width = newVal;
+ stateChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("height")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != height)
+ {
+ height = newVal;
+ stateChange = true;
+ }
+ }
+
+ try {
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ URL newVal = src.toURL();
+
+ if (!newVal.equals(href))
+ {
+ href = newVal;
+ stateChange = true;
+ }
+ }
+ }
+ catch (Exception e)
+ {
+ throw new SVGException(e);
+ }
+
+ if (getPres(sty.setName("filterUnits")))
+ {
+ int newVal;
+ String strn = sty.getStringValue().toLowerCase();
+ if (strn.equals("userspaceonuse")) newVal = FU_USER_SPACE_ON_USE;
+ else newVal = FU_OBJECT_BOUNDING_BOX;
+ if (newVal != filterUnits)
+ {
+ filterUnits = newVal;
+ stateChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("primitiveUnits")))
+ {
+ int newVal;
+ String strn = sty.getStringValue().toLowerCase();
+ if (strn.equals("userspaceonuse")) newVal = PU_USER_SPACE_ON_USE;
+ else newVal = PU_OBJECT_BOUNDING_BOX;
+ if (newVal != filterUnits)
+ {
+ primitiveUnits = newVal;
+ stateChange = true;
+ }
+ }
+
+
+
+ return stateChange;
+ }
+}
+
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