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/*
* $Id$
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, 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.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.fo.properties;
/**
* An absolute length quantity in XSL
*/
public class FixedLength extends LengthProperty {
private int millipoints;
/**
* Set the length given
* @param numRelUnits the number of relative units
* @param iCurFontSize the current font size in base units.
*/
public FixedLength(double numRelUnits, int iCurFontSize) {
millipoints = (int) (numRelUnits * (double)iCurFontSize);
}
/**
* Set the length given a number of units and a unit name.
* @param numUnits quantity of input units
* @param units input unit specifier (in, cm, etc.)
*/
public FixedLength(double numUnits, String units) {
convert(numUnits, units);
}
/**
* @param baseUnits the length as a number of base units (millipoints)
*/
public FixedLength(int baseUnits) {
millipoints = baseUnits;
}
/**
* Convert the given length to a dimensionless integer representing
* a whole number of base units (milli-points).
* @param dvalue quantity of input units
* @param unit input unit specifier (in, cm, etc.)
*/
protected void convert(double dvalue, String unit) {
int assumedResolution = 1; // points/pixel
if (unit.equals("in")) {
dvalue = dvalue * 72;
} else if (unit.equals("cm")) {
dvalue = dvalue * 28.3464567;
} else if (unit.equals("mm")) {
dvalue = dvalue * 2.83464567;
} else if (unit.equals("pt")) {
// Do nothing.
// dvalue = dvalue;
} else if (unit.equals("pc")) {
dvalue = dvalue * 12;
/*
* } else if (unit.equals("em")) {
* dvalue = dvalue * fontsize;
*/
} else if (unit.equals("px")) {
dvalue = dvalue * assumedResolution;
} else {
dvalue = 0;
//log.error("unknown length unit '" + unit
// + "'");
}
millipoints = (int)(dvalue * 1000);
}
/**
* Returns the length in 1/1000ths of a point (millipoints)
* @return the length in millipoints
*/
public int getValue() {
return millipoints;
}
/**
* Returns the value as numeric.
* @return the length in millipoints
*/
public double getNumericValue() {
return millipoints;
}
/**
* Return true since FixedLength are always absolute.
* @see org.apache.fop.datatypes.Numeric#isAbsolute()
*/
public boolean isAbsolute() {
return true;
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
return millipoints + "mpt";
}
}
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