diff options
Diffstat (limited to 'src/main/java/com/kitfox/svg/ImageSVG.java')
| -rw-r--r-- | src/main/java/com/kitfox/svg/ImageSVG.java | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/ImageSVG.java b/src/main/java/com/kitfox/svg/ImageSVG.java new file mode 100644 index 0000000..2d981bc --- /dev/null +++ b/src/main/java/com/kitfox/svg/ImageSVG.java @@ -0,0 +1,299 @@ +/*
+ * Font.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 February 20, 2004, 10:00 PM
+ */
+
+package com.kitfox.svg;
+
+import com.kitfox.svg.xml.StyleAttribute;
+import com.kitfox.svg.xml.*;
+
+import java.awt.*;
+import java.awt.geom.*;
+import java.awt.image.*;
+import java.util.*;
+import java.net.*;
+
+/**
+ * Implements an embedded font.
+ *
+ * SVG specification: http://www.w3.org/TR/SVG/fonts.html
+ *
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class ImageSVG extends RenderableElement
+{
+ float x = 0f;
+ float y = 0f;
+ float width = 0f;
+ float height = 0f;
+
+// BufferedImage href = null;
+ URL imageSrc = null;
+
+ AffineTransform xform;
+ Rectangle2D bounds;
+
+ /** Creates a new instance of Font */
+ public ImageSVG()
+ {
+ }
+
+ 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();
+
+ try {
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ imageSrc = src.toURL();
+ }
+ }
+ catch (Exception e)
+ {
+ throw new SVGException(e);
+ }
+
+
+ diagram.getUniverse().registerImage(imageSrc);
+
+ //Set widths if not set
+ BufferedImage img = diagram.getUniverse().getImage(imageSrc);
+ if (img == null)
+ {
+ xform = new AffineTransform();
+ bounds = new Rectangle2D.Float();
+ return;
+ }
+
+ if (width == 0) width = img.getWidth();
+ if (height == 0) height = img.getHeight();
+
+ //Determine image xform
+ xform = new AffineTransform();
+// xform.setToScale(this.width / img.getWidth(), this.height / img.getHeight());
+// xform.translate(this.x, this.y);
+ xform.translate(this.x, this.y);
+ xform.scale(this.width / img.getWidth(), this.height / img.getHeight());
+
+ bounds = new Rectangle2D.Float(this.x, this.y, this.width, this.height);
+ }
+
+
+
+ public float getX() { return x; }
+ public float getY() { return y; }
+ public float getWidth() { return width; }
+ public float getHeight() { return height; }
+
+ void pick(Point2D point, Vector retVec) throws SVGException
+ {
+ /*
+ Point2D xPoint = new Point2D.Double();
+ try
+ {
+ xform.inverseTransform(point, xPoint);
+ }
+ catch (NoninvertibleTransformException ex)
+ {
+ throw new SVGException(ex);
+ }
+ */
+
+// if (bounds.contains(xPoint))
+ if (getBoundingBox().contains(point))
+ {
+ retVec.add(getPath(null));
+ }
+ }
+
+ public void render(Graphics2D g) throws SVGException
+ {
+ StyleAttribute styleAttrib = new StyleAttribute();
+ if (getStyle(styleAttrib.setName("visibility")))
+ {
+ if (!styleAttrib.getStringValue().equals("visible")) return;
+ }
+
+ beginLayer(g);
+
+ float opacity = 1f;
+ if (getStyle(styleAttrib.setName("opacity")))
+ {
+ opacity = styleAttrib.getRatioValue();
+ }
+
+ if (opacity <= 0) return;
+
+ Composite oldComp = null;
+
+ if (opacity < 1)
+ {
+ oldComp = g.getComposite();
+ Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacity);
+ g.setComposite(comp);
+ }
+
+ BufferedImage img = diagram.getUniverse().getImage(imageSrc);
+ if (img == null) return;
+
+ AffineTransform curXform = g.getTransform();
+ g.transform(xform);
+
+ g.drawImage(img, 0, 0, null);
+
+ g.setTransform(curXform);
+ if (oldComp != null) g.setComposite(oldComp);
+
+ finishLayer(g);
+ }
+
+ public Rectangle2D getBoundingBox()
+ {
+ return boundsToParent(bounds);
+ }
+
+ /**
+ * 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;
+ }
+ }
+
+ try {
+ if (getPres(sty.setName("xlink:href")))
+ {
+ URI src = sty.getURIValue(getXMLBase());
+ URL newVal = src.toURL();
+
+ if (!newVal.equals(imageSrc))
+ {
+ imageSrc = newVal;
+ shapeChange = true;
+ }
+ }
+ }
+ catch (IllegalArgumentException ie)
+ {
+ new Exception("Image provided with illegal value for href: \"" + sty.getStringValue() + '"', ie).printStackTrace();
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ }
+
+
+ if (shapeChange)
+ {
+ diagram.getUniverse().registerImage(imageSrc);
+
+ //Set widths if not set
+ BufferedImage img = diagram.getUniverse().getImage(imageSrc);
+ if (img == null)
+ {
+ xform = new AffineTransform();
+ bounds = new Rectangle2D.Float();
+ }
+ else
+ {
+ if (width == 0) width = img.getWidth();
+ if (height == 0) height = img.getHeight();
+
+ //Determine image xform
+ xform = new AffineTransform();
+// xform.setToScale(this.width / img.getWidth(), this.height / img.getHeight());
+// xform.translate(this.x, this.y);
+ xform.translate(this.x, this.y);
+ xform.scale(this.width / img.getWidth(), this.height / img.getHeight());
+
+ bounds = new Rectangle2D.Float(this.x, this.y, this.width, this.height);
+ }
+
+ return true;
+ }
+
+ return changeState;
+ }
+}
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