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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.render.rtf;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.impl.SimpleLog;
import org.apache.fop.datatypes.Length;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.expr.NumericOp;
import org.apache.fop.fo.pagination.RegionBA;
import org.apache.fop.fo.pagination.RegionBody;
import org.apache.fop.fo.pagination.SimplePageMaster;
import org.apache.fop.fo.properties.CommonMarginBlock;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfAttributes;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfPage;
/** Converts simple-page-master attributes into strings as defined in RtfPage.
* @author Christopher Scott, scottc@westinghouse.com
* @author Peter Herweg, pherweg@web.de
*/
class PageAttributesConverter {
private static Log log = new SimpleLog("FOP/RTF");
/** convert xsl:fo attributes to RTF text attributes */
static RtfAttributes convertPageAttributes(SimplePageMaster pagemaster) {
FOPRtfAttributes attrib = new FOPRtfAttributes();
try {
RegionBA before = (RegionBA) pagemaster.getRegion(Constants.FO_REGION_BEFORE);
RegionBody body = (RegionBody) pagemaster.getRegion(Constants.FO_REGION_BODY);
RegionBA after = (RegionBA) pagemaster.getRegion(Constants.FO_REGION_AFTER);
attrib.setTwips(RtfPage.PAGE_WIDTH, pagemaster.getPageWidth());
attrib.setTwips(RtfPage.PAGE_HEIGHT, pagemaster.getPageHeight());
Length pageTop = pagemaster.getCommonMarginBlock().marginTop;
Length pageBottom = pagemaster.getCommonMarginBlock().marginBottom;
Length pageLeft = pagemaster.getCommonMarginBlock().marginLeft;
Length pageRight = pagemaster.getCommonMarginBlock().marginRight;
Length bodyTop = pageTop;
Length bodyBottom = pageBottom;
Length bodyLeft = pageLeft;
Length bodyRight = pageRight;
if (body != null) {
// Should perhaps be replaced by full reference-area handling.
CommonMarginBlock bodyMargin = body.getCommonMarginBlock();
bodyTop = (Length) NumericOp.addition(pageTop, bodyMargin.marginTop);
bodyBottom = (Length) NumericOp.addition(pageBottom, bodyMargin.marginBottom);
bodyLeft = (Length) NumericOp.addition(pageLeft, bodyMargin.marginLeft);
bodyRight = (Length) NumericOp.addition(pageRight, bodyMargin.marginRight);
}
attrib.setTwips(RtfPage.MARGIN_TOP, bodyTop);
attrib.setTwips(RtfPage.MARGIN_BOTTOM, bodyBottom);
attrib.setTwips(RtfPage.MARGIN_LEFT, bodyLeft);
attrib.setTwips(RtfPage.MARGIN_RIGHT, bodyRight);
//region-before attributes
Length beforeTop = pageTop;
if (before != null) {
beforeTop = (Length) NumericOp.addition(pageTop, before.getExtent());
}
attrib.setTwips(RtfPage.HEADERY, beforeTop);
//region-after attributes
Length afterBottom = pageBottom;
if (after != null) {
afterBottom = (Length) NumericOp.addition(pageBottom, after.getExtent());
}
attrib.setTwips(RtfPage.FOOTERY, beforeTop);
} catch (Exception e) {
log.error("Exception in convertPageAttributes: "
+ e.getMessage() + "- page attributes ignored");
attrib = new FOPRtfAttributes();
}
return attrib;
}
}
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