/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: PageGridUtility.java 6653 2008-12-02 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.renderer.model.page;
import org.jfree.layouting.input.style.keys.page.PageSize;
import org.jfree.layouting.input.style.values.CSSNumericValue;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.input.style.values.CSSValuePair;
import org.jfree.layouting.layouter.style.CSSValueResolverUtility;
import org.jfree.layouting.output.OutputProcessorMetaData;
/**
* Creation-Date: 20.10.2006, 20:46:30
*
* @author Thomas Morgner
*/
public class PageGridUtility
{
private PageGridUtility()
{
}
public static PageSize lookupPageSize (final CSSValue sizeVal,
final OutputProcessorMetaData metaData)
{
if (sizeVal instanceof CSSValuePair == false)
{
final PageSize defaultVal = metaData.getDefaultPageSize();
return defaultVal;
}
final CSSValuePair valuePair = (CSSValuePair) sizeVal;
final CSSValue firstValue = valuePair.getFirstValue();
if (firstValue instanceof CSSNumericValue == false)
{
final PageSize defaultVal = metaData.getDefaultPageSize();
return defaultVal;
}
final CSSValue secondValue = valuePair.getSecondValue();
if (secondValue instanceof CSSNumericValue == false)
{
final PageSize defaultVal = metaData.getDefaultPageSize();
return defaultVal;
}
final double width = CSSValueResolverUtility.convertLengthToDouble
(firstValue, null, metaData);
final double height = CSSValueResolverUtility.convertLengthToDouble
(secondValue, null, metaData);
if (width < 1 || height < 1)
{
final PageSize defaultVal = metaData.getDefaultPageSize();
return defaultVal;
}
return new PageSize(width, height);
}
}