/*
* 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;
/**
* 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
{
public static final String TAG_NAME = "fontface";
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 String getTagName()
{
return TAG_NAME;
}
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;
}
}