/*
* SVG Salamander
* Copyright (c) 2004, Mark McKay
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.geom.*;
import java.awt.*;
/**
* 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 FontFace extends SVGElement
{
String fontFamily;
/** Em size of coordinate system font is defined in */
int unitsPerEm = 1000;
int ascent = -1;
int descent = -1;
int accentHeight = -1;
int underlinePosition = -1;
int underlineThickness = -1;
int strikethroughPosition = -1;
int strikethroughThickness = -1;
int overlinePosition = -1;
int overlineThickness = -1;
/** Creates a new instance of Font */
public FontFace()
{
}
/*
public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
{
//Load style string
super.loaderStartElement(helper, attrs, parent);
fontFamily = attrs.getValue("font-family");
String unitsPerEm = attrs.getValue("units-per-em");
String ascent = attrs.getValue("ascent");
String descent = attrs.getValue("descent");
String accentHeight = attrs.getValue("accent-height");
String underlinePosition = attrs.getValue("underline-position");
String underlineThickness = attrs.getValue("underline-thickness");
String strikethroughPosition = attrs.getValue("strikethrough-position");
String strikethroughThickness = attrs.getValue("strikethrough-thickness");
String overlinePosition = attrs.getValue("overline-position");
String overlineThickness = attrs.getValue("overline-thickness");
if (unitsPerEm != null) this.unitsPerEm = XMLParseUtil.parseInt(unitsPerEm);
if (ascent != null) this.ascent = XMLParseUtil.parseInt(ascent);
if (descent != null) this.descent = XMLParseUtil.parseInt(descent);
if (accentHeight != null) this.accentHeight = XMLParseUtil.parseInt(accentHeight);
if (underlinePosition != null) this.underlinePosition = XMLParseUtil.parseInt(underlinePosition);
if (underlineThickness != null) this.underlineThickness = XMLParseUtil.parseInt(underlineThickness);
if (strikethroughPosition != null) this.strikethroughPosition = XMLParseUtil.parseInt(strikethroughPosition);
if (strikethroughThickness != null) this.strikethroughThickness = XMLParseUtil.parseInt(strikethroughThickness);
if (overlinePosition != null) this.overlinePosition = XMLParseUtil.parseInt(overlinePosition);
if (overlineThickness != null) this.overlineThickness = XMLParseUtil.parseInt(overlineThickness);
// unitFontXform.setToScale(1.0 / (double)unitsPerEm, 1.0 / (double)unitsPerEm);
}
*/
/*
public void loaderEndElement(SVGLoaderHelper helper)
{
super.loaderEndElement(helper);
build();
// unitFontXform.setToScale(1.0 / (double)unitsPerEm, 1.0 / (double)unitsPerEm);
}
*/
protected void build() throws SVGException
{
super.build();
StyleAttribute sty = new StyleAttribute();
if (getPres(sty.setName("font-family"))) fontFamily = sty.getStringValue();
if (getPres(sty.setName("units-per-em"))) unitsPerEm = sty.getIntValue();
if (getPres(sty.setName("ascent"))) ascent = sty.getIntValue();
if (getPres(sty.setName("descent"))) descent = sty.getIntValue();
if (getPres(sty.setName("accent-height"))) accentHeight = sty.getIntValue();
if (getPres(sty.setName("underline-position"))) underlinePosition = sty.getIntValue();
if (getPres(sty.setName("underline-thickness"))) underlineThickness = sty.getIntValue();
if (getPres(sty.setName("strikethrough-position"))) strikethroughPosition = sty.getIntValue();
if (getPres(sty.setName("strikethrough-thickenss"))) strikethroughThickness = sty.getIntValue();
if (getPres(sty.setName("overline-position"))) overlinePosition = sty.getIntValue();
if (getPres(sty.setName("overline-thickness"))) overlineThickness = sty.getIntValue();
}
public String getFontFamily() { return fontFamily; }
public int getUnitsPerEm() { return unitsPerEm; }
public int getAscent()
{
if (ascent == -1)
ascent = unitsPerEm - ((Font)parent).getVertOriginY();
return ascent;
}
public int getDescent()
{
if (descent == -1)
descent = ((Font)parent).getVertOriginY();
return descent;
}
public int getAccentHeight()
{
if (accentHeight == -1)
accentHeight = getAscent();
return accentHeight;
}
public int getUnderlinePosition()
{
if (underlinePosition == -1)
underlinePosition = unitsPerEm * 5 / 6;
return underlinePosition;
}
public int getUnderlineThickness()
{
if (underlineThickness == -1)
underlineThickness = unitsPerEm / 20;
return underlineThickness;
}
public int getStrikethroughPosition()
{
if (strikethroughPosition == -1)
strikethroughPosition = unitsPerEm * 3 / 6;
return strikethroughPosition;
}
public int getStrikethroughThickness()
{
if (strikethroughThickness == -1)
strikethroughThickness = unitsPerEm / 20;
return strikethroughThickness;
}
public int getOverlinePosition()
{
if (overlinePosition == -1)
overlinePosition = unitsPerEm * 5 / 6;
return overlinePosition;
}
public int getOverlineThickness()
{
if (overlineThickness == -1)
overlineThickness = unitsPerEm / 20;
return overlineThickness;
}
/**
* 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)
{
//Fonts can't change
return false;
}
}
