diff options
Diffstat (limited to 'src/main/java/com/kitfox/svg/Use.java')
| -rw-r--r-- | src/main/java/com/kitfox/svg/Use.java | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/Use.java b/src/main/java/com/kitfox/svg/Use.java new file mode 100644 index 0000000..00d05ff --- /dev/null +++ b/src/main/java/com/kitfox/svg/Use.java @@ -0,0 +1,255 @@ +/*
+ * LinearGradient.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 January 26, 2004, 1:54 AM
+ */
+
+package com.kitfox.svg;
+
+import com.kitfox.svg.xml.StyleAttribute;
+import com.kitfox.svg.xml.*;
+import org.xml.sax.*;
+
+import java.net.*;
+import java.awt.*;
+import java.awt.geom.*;
+
+/**
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class Use extends ShapeElement {
+
+ float x = 0f;
+ float y = 0f;
+ float width = 1f;
+ float height = 1f;
+
+ SVGElement href = null;
+
+ AffineTransform refXform;
+
+ /** Creates a new instance of LinearGradient */
+ public Use() {
+ }
+/*
+ public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
+ {
+ //Load style string
+ super.loaderStartElement(helper, attrs, parent);
+
+ String x = attrs.getValue("x");
+ String y = attrs.getValue("y");
+ String width = attrs.getValue("width");
+ String height = attrs.getValue("height");
+ String href = attrs.getValue("xlink:href");
+
+ if (x != null) this.x = (float)XMLParseUtil.parseRatio(x);
+ if (y != null) this.y = (float)XMLParseUtil.parseRatio(y);
+ if (width != null) this.width = (float)XMLParseUtil.parseRatio(width);
+ if (height != null) this.height = (float)XMLParseUtil.parseRatio(height);
+
+
+ if (href != null)
+ {
+ try {
+ URI src = getXMLBase().resolve(href);
+ this.href = helper.universe.getElement(src);
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ }
+ }
+
+ //Determine use offset/scale
+ refXform = new AffineTransform();
+ refXform.translate(this.x, this.y);
+ refXform.scale(this.width, this.height);
+ }
+*/
+ protected void build() throws SVGException
+ {
+ super.build();
+
+ StyleAttribute sty = new StyleAttribute();
+
+ 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();
+
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ href = diagram.getUniverse().getElement(src);
+ }
+
+ //Determine use offset/scale
+ refXform = new AffineTransform();
+ refXform.translate(this.x, this.y);
+ }
+
+ public void render(Graphics2D g) throws SVGException
+ {
+ beginLayer(g);
+
+ //AffineTransform oldXform = g.getTransform();
+ AffineTransform oldXform = g.getTransform();
+ g.transform(refXform);
+
+ if (href == null || !(href instanceof RenderableElement)) return;
+
+ RenderableElement rendEle = (RenderableElement)href;
+ rendEle.pushParentContext(this);
+ rendEle.render(g);
+ rendEle.popParentContext();
+
+ g.setTransform(oldXform);
+
+ finishLayer(g);
+ }
+
+ public Shape getShape()
+ {
+ if (href instanceof ShapeElement)
+ {
+ Shape shape = ((ShapeElement)href).getShape();
+ shape = refXform.createTransformedShape(shape);
+ shape = shapeToParent(shape);
+ return shape;
+ }
+
+ return null;
+ }
+
+ public Rectangle2D getBoundingBox() throws SVGException
+ {
+ if (href instanceof ShapeElement)
+ {
+ ShapeElement shapeEle = (ShapeElement)href;
+ shapeEle.pushParentContext(this);
+ Rectangle2D bounds = shapeEle.getBoundingBox();
+ shapeEle.popParentContext();
+
+ bounds = refXform.createTransformedShape(bounds).getBounds2D();
+ bounds = boundsToParent(bounds);
+
+ return bounds;
+ }
+
+ return null;
+ }
+
+ /**
+ * Updates all attributes in this diagram associated with a time event.
+ * Ie, all attributes with track information.
+ * @return - true if this node has changed state as a result of the time
+ * update
+ */
+ public boolean updateTime(double curTime) throws SVGException
+ {
+// if (trackManager.getNumTracks() == 0) return false;
+ boolean changeState = super.updateTime(curTime);
+
+ //Get current values for parameters
+ StyleAttribute sty = new StyleAttribute();
+ boolean shapeChange = false;
+
+ if (getPres(sty.setName("x")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != x)
+ {
+ x = newVal;
+ shapeChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("y")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != y)
+ {
+ y = newVal;
+ shapeChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("width")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != width)
+ {
+ width = newVal;
+ shapeChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("height")))
+ {
+ float newVal = sty.getFloatValueWithUnits();
+ if (newVal != height)
+ {
+ height = newVal;
+ shapeChange = true;
+ }
+ }
+
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ SVGElement newVal = diagram.getUniverse().getElement(src);
+ if (newVal != href)
+ {
+ href = newVal;
+ shapeChange = true;
+ }
+ }
+/*
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ href = diagram.getUniverse().getElement(src);
+ }
+
+ //Determine use offset/scale
+ refXform = new AffineTransform();
+ refXform.translate(this.x, this.y);
+ refXform.scale(this.width, this.height);
+*/
+ if (shapeChange)
+ {
+ //Determine use offset/scale
+ refXform.setToTranslation(this.x, this.y);
+ refXform.scale(this.width, this.height);
+ return true;
+ }
+
+ return changeState;
+ }
+}
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