diff options
Diffstat (limited to 'src/main/java/com/kitfox/svg/MissingGlyph.java')
| -rw-r--r-- | src/main/java/com/kitfox/svg/MissingGlyph.java | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/MissingGlyph.java b/src/main/java/com/kitfox/svg/MissingGlyph.java new file mode 100644 index 0000000..bc0cd2c --- /dev/null +++ b/src/main/java/com/kitfox/svg/MissingGlyph.java @@ -0,0 +1,252 @@ +/*
+ * 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 org.xml.sax.*;
+
+import java.awt.*;
+import java.awt.geom.*;
+import java.util.*;
+
+import com.kitfox.svg.pathcmd.*;
+//import org.apache.batik.ext.awt.geom.ExtendedGeneralPath;
+
+/**
+ * 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 MissingGlyph extends ShapeElement
+{
+ //We may define a path
+// ExtendedGeneralPath path = null;
+ Shape path = null;
+
+ //Alternately, we may have child graphical elements
+// Vector members = null;
+
+ int horizAdvX = -1; //Inherits font's value if not set
+ int vertOriginX = -1; //Inherits font's value if not set
+ int vertOriginY = -1; //Inherits font's value if not set
+ int vertAdvY = -1; //Inherits font's value if not set
+
+ /** Creates a new instance of Font */
+ public MissingGlyph()
+ {
+ }
+/*
+ public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
+ {
+ //Load style string
+ super.loaderStartElement(helper, attrs, parent);
+
+ //If glyph path was specified, calculate it
+ String commandList = attrs.getValue("d");
+ if (commandList != null)
+ {
+ StyleAttribute atyleAttrib = getStyle("fill-rule");
+ String fillRule = (atyleAttrib == null) ? "nonzero" : atyleAttrib.getStringValue();
+
+ PathCommand[] commands = parsePathList(commandList);
+
+// ExtendedGeneralPath buildPath = new ExtendedGeneralPath(
+ GeneralPath buildPath = new GeneralPath(
+ fillRule.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO,
+ commands.length);
+
+ BuildHistory hist = new BuildHistory();
+
+ for (int i = 0; i < commands.length; i++)
+ {
+ PathCommand cmd = commands[i];
+ cmd.appendPath(buildPath, hist);
+ }
+
+ //Reflect glyph path to put it in user coordinate system
+ AffineTransform at = new AffineTransform();
+ at.scale(1, -1);
+ path = at.createTransformedShape(buildPath);
+ }
+
+
+ //Read glyph spacing info
+ String horizAdvX = attrs.getValue("horiz-adv-x");
+ String vertOriginX = attrs.getValue("vert-origin-x");
+ String vertOriginY = attrs.getValue("vert-origin-y");
+ String vertAdvY = attrs.getValue("vert-adv-y");
+
+ if (horizAdvX != null) this.horizAdvX = XMLParseUtil.parseInt(horizAdvX);
+ if (vertOriginX != null) this.vertOriginX = XMLParseUtil.parseInt(vertOriginX);
+ if (vertOriginY != null) this.vertOriginY = XMLParseUtil.parseInt(vertOriginY);
+ if (vertAdvY != null) this.vertAdvY = XMLParseUtil.parseInt(vertAdvY);
+
+ }
+*/
+ /**
+ * 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 (members == null) members = new Vector();
+// members.add(child);
+ }
+
+
+ protected void build() throws SVGException
+ {
+ super.build();
+
+ StyleAttribute sty = new StyleAttribute();
+
+ String commandList = "";
+ if (getPres(sty.setName("d"))) commandList = sty.getStringValue();
+
+
+ //If glyph path was specified, calculate it
+ if (commandList != null)
+ {
+// StyleAttribute atyleAttrib = getStyle("fill-rule");
+ String fillRule = getStyle(sty.setName("fill-rule")) ? sty.getStringValue() : "nonzero";
+
+ PathCommand[] commands = parsePathList(commandList);
+
+// ExtendedGeneralPath buildPath = new ExtendedGeneralPath(
+ GeneralPath buildPath = new GeneralPath(
+ fillRule.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO,
+ commands.length);
+
+ BuildHistory hist = new BuildHistory();
+
+ for (int i = 0; i < commands.length; i++)
+ {
+ PathCommand cmd = commands[i];
+ cmd.appendPath(buildPath, hist);
+ }
+
+ //Reflect glyph path to put it in user coordinate system
+ AffineTransform at = new AffineTransform();
+ at.scale(1, -1);
+ path = at.createTransformedShape(buildPath);
+ }
+
+
+ //Read glyph spacing info
+ if (getPres(sty.setName("horiz-adv-x"))) horizAdvX = sty.getIntValue();
+
+ if (getPres(sty.setName("vert-origin-x"))) vertOriginX = sty.getIntValue();
+
+ if (getPres(sty.setName("vert-origin-y"))) vertOriginY = sty.getIntValue();
+
+ if (getPres(sty.setName("vert-adv-y"))) vertAdvY = sty.getIntValue();
+ }
+
+ public Shape getPath()
+ {
+ return path;
+ }
+
+ public void render(Graphics2D g) throws SVGException
+ {
+ //Do not push or pop stack
+
+ if (path != null) renderShape(g, path);
+
+ Iterator it = children.iterator();
+ while (it.hasNext())
+ {
+ SVGElement ele = (SVGElement)it.next();
+ if (ele instanceof RenderableElement)
+ {
+ ((RenderableElement)ele).render(g);
+ }
+ }
+
+ //Do not push or pop stack
+ }
+
+ public int getHorizAdvX()
+ {
+ if (horizAdvX == -1)
+ horizAdvX = ((Font)parent).getHorizAdvX();
+ return horizAdvX;
+ }
+
+ public int getVertOriginX()
+ {
+ if (vertOriginX == -1)
+ vertOriginX = getHorizAdvX() / 2;
+ return vertOriginX;
+ }
+
+ public int getVertOriginY()
+ {
+ if (vertOriginY == -1)
+ vertOriginY = ((Font)parent).getFontFace().getAscent();
+ return vertOriginY;
+ }
+
+ public int getVertAdvY()
+ {
+ if (vertAdvY == -1)
+ vertAdvY = ((Font)parent).getFontFace().getUnitsPerEm();
+ return vertAdvY;
+
+ }
+
+ public Shape getShape()
+ {
+ if (path != null) return shapeToParent(path);
+ return null;
+ }
+
+ public Rectangle2D getBoundingBox() throws SVGException
+ {
+ if (path != null) return boundsToParent(includeStrokeInBounds(path.getBounds2D()));
+ 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
+ {
+ //Fonts can't change
+ return false;
+ }
+}
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