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Diffstat (limited to 'src/java/org/apache/fop/fo/IndentPropertyMaker.java')
| -rw-r--r-- | src/java/org/apache/fop/fo/IndentPropertyMaker.java | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/fo/IndentPropertyMaker.java b/src/java/org/apache/fop/fo/IndentPropertyMaker.java new file mode 100644 index 000000000..4ad105b7b --- /dev/null +++ b/src/java/org/apache/fop/fo/IndentPropertyMaker.java @@ -0,0 +1,130 @@ +/* + * $Id$ + * ============================================================================ + * The Apache Software License, Version 1.1 + * ============================================================================ + * + * Copyright (C) 1999-2004 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; + +import org.apache.fop.apps.FOPException; +import org.apache.fop.datatypes.FixedLength; +import org.apache.fop.fo.expr.Numeric; + +/** + * This property maker handles the calculations described in 5.3.2 which + * involves the sizes of the corresponding margin-* properties and the + * padding-* and border-*-width properties. + */ +public class IndentPropertyMaker extends CorrespondingPropertyMaker { + /** + * The corresponding padding-* propIds + */ + private int[] paddingCorresponding = null; + + /** + * The corresponding border-*-width propIds + */ + private int[] borderWidthCorresponding = null; + + /** + * Create a start-indent or end-indent property maker. + * @param baseMaker + */ + public IndentPropertyMaker(Property.Maker baseMaker) { + super(baseMaker); + } + + /** + * Set the corresponding values for the padding-* properties. + * @param paddingCorresponding the corresping propids. + */ + public void setPaddingCorresponding(int[] paddingCorresponding) { + this.paddingCorresponding = paddingCorresponding; + } + + /** + * Set the corresponding values for the border-*-width properties. + * @param borderWidthCorresponding the corresping propids. + */ + public void setBorderWidthCorresponding(int[] borderWidthCorresponding) { + this.borderWidthCorresponding = borderWidthCorresponding; + } + + /** + * Calculate the corresponding value for start-indent and end-indent. + * @see CorrespondingPropertyMaker.compute(PropertyList) + */ + public Property compute(PropertyList propertyList) throws FOPException { + // TODO: bckfnn reenable + if (propertyList.getExplicitOrShorthand(propertyList.wmMap(lr_tb, rl_tb, tb_rl)) == null) { + return null; + } + // Calculate the values as described in 5.3.2. + try { + Numeric v = new Numeric(new FixedLength(0)); + /* + if (!propertyList.getFObj().generatesInlineAreas()) { + String propName = FOPropertyMapping.getPropertyName(this.propId); + v = v.add(propertyList.getInherited(propName).getNumeric()); + } + */ + v = v.add(propertyList.get(propertyList.wmMap(lr_tb, rl_tb, tb_rl)).getNumeric()); + v = v.add(getCorresponding(paddingCorresponding, propertyList).getNumeric()); + v = v.add(getCorresponding(borderWidthCorresponding, propertyList).getNumeric()); + return new LengthProperty(v.asLength()); + } catch (org.apache.fop.fo.expr.PropertyException propEx) { + String propName = FOPropertyMapping.getPropertyName(baseMaker.getPropId()); + throw new FOPException("Error in " + propName + + " calculation " + propEx); + } + } + + private Property getCorresponding(int[] corresponding, PropertyList propertyList) { + int wmcorr = propertyList.wmMap(corresponding[0], corresponding[1], corresponding[2]); + return propertyList.get(wmcorr); + } +} |