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- /*
- * $Id$
- * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
- * For details on use and redistribution please refer to the
- * LICENSE file included with these sources.
- */
-
- package org.apache.fop.fo.pagination;
-
- // FOP
- import org.apache.fop.fo.*;
- import org.apache.fop.fo.properties.*;
- import org.apache.fop.area.CTM;
- import org.apache.fop.datatypes.FODimension;
- import org.apache.fop.area.PageViewport;
- import org.apache.fop.area.Page;
- import org.apache.fop.area.RegionViewport;
- import org.apache.fop.area.RegionReference;
- import org.apache.fop.layout.MarginProps;
- import org.apache.fop.layout.PageMaster;
- import org.apache.fop.apps.FOPException;
-
- import java.awt.Rectangle;
- import java.awt.geom.Rectangle2D;
- import java.util.HashMap;
- import java.util.Iterator;
- import org.xml.sax.Attributes;
-
- /**
- * A simple-page-master formatting object.
- * This creates a simple page from the specified regions
- * and attributes.
- */
- public class SimplePageMaster extends FObj {
- /**
- * Page regions (regionClass, Region)
- */
- private HashMap _regions;
-
- PageMaster pageMaster;
- String masterName;
-
- public SimplePageMaster(FONode parent) {
- super(parent);
- }
-
- public void handleAttrs(Attributes attlist) throws FOPException {
- super.handleAttrs(attlist);
-
- if (parent.getName().equals("fo:layout-master-set")) {
- LayoutMasterSet layoutMasterSet = (LayoutMasterSet)parent;
- masterName = this.properties.get("master-name").getString();
- if (masterName == null) {
- getLogger().warn("simple-page-master does not have "
- + "a master-name and so is being ignored");
- } else {
- layoutMasterSet.addSimplePageMaster(this);
- }
- } else {
- throw new FOPException("fo:simple-page-master must be child "
- + "of fo:layout-master-set, not "
- + parent.getName());
- }
- _regions = new HashMap();
- }
-
- /**
- * At the end of this element read all the information and create
- * the page master.
- */
- protected void end() {
- int pageWidth =
- this.properties.get("page-width").getLength().mvalue();
- int pageHeight =
- this.properties.get("page-height").getLength().mvalue();
- // this.properties.get("reference-orientation");
- // this.properties.get("writing-mode");
-
- // Get absolute margin properties (top, left, bottom, right)
- MarginProps mProps = propMgr.getMarginProps();
-
- /* Create the page reference area rectangle in first quadrant coordinates
- * (ie, 0,0 is at bottom,left of the "page media" and y increases
- * when moving towards the top of the page.
- * The media rectangle itself is (0,0,pageWidth,pageHeight).
- */
- Rectangle pageRefRect =
- new Rectangle(mProps.marginLeft, mProps.marginTop,
- pageWidth - mProps.marginLeft - mProps.marginRight,
- pageHeight - mProps.marginTop - mProps.marginBottom);
-
- // ??? KL shouldn't this take the viewport too???
- Page page = new Page(); // page reference area
-
- // Set up the CTM on the page reference area based on writing-mode
- // and reference-orientation
- FODimension reldims=new FODimension(0,0);
- CTM pageCTM = propMgr.getCTMandRelDims(pageRefRect, reldims);
-
- // Create a RegionViewport/ reference area pair for each page region
-
- boolean bHasBody=false;
-
- for (Iterator regenum = _regions.values().iterator();
- regenum.hasNext(); ) {
- Region r = (Region)regenum.next();
- RegionViewport rvp = r.makeRegionViewport(reldims, pageCTM);
- rvp.setRegion(r.makeRegionReferenceArea(rvp.getViewArea()));
- page.setRegion(r.getRegionAreaClass(), rvp);
- if (r.getRegionAreaClass() == RegionReference.BODY) {
- bHasBody = true;
- }
- }
-
- if (!bHasBody) {
- getLogger().error("simple-page-master has no region-body");
- }
-
- this.pageMaster = new PageMaster(new PageViewport(page,
- new Rectangle(0,0,
- pageWidth,pageHeight)));
-
- // _regions = null; // PageSequence access SimplePageMaster....
- children = null;
- properties = null;
- }
-
- public boolean generatesReferenceAreas() {
- return true;
- }
-
- public PageMaster getPageMaster() {
- return this.pageMaster;
- }
-
- public PageMaster getNextPageMaster() {
- return this.pageMaster;
- }
-
- public String getMasterName() {
- return masterName;
- }
-
- protected void addChild(FONode child) {
- if (child instanceof Region) {
- addRegion((Region)child);
- } else {
- getLogger().error("SimplePageMaster cannot have child of type " +
- child.getName());
- }
- }
-
- protected void addRegion(Region region) {
- String key = region.getRegionClass();
- if (_regions.containsKey(key)) {
- getLogger().error("Only one region of class "
- + key
- + " allowed within a simple-page-master.");
- // throw new FOPException("Only one region of class "
- // + key
- // + " allowed within a simple-page-master.");
- } else {
- _regions.put(key, region);
- }
- }
-
- protected Region getRegion(String regionClass) {
- return (Region)_regions.get(regionClass);
- }
-
- protected HashMap getRegions() {
- return _regions;
- }
-
- protected boolean regionNameExists(String regionName) {
- for (Iterator regenum = _regions.values().iterator();
- regenum.hasNext(); ) {
- Region r = (Region)regenum.next();
- if (r.getRegionName().equals(regionName)) {
- return true;
- }
- }
- return false;
- }
- }
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