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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;
import org.apache.fop.layout.Area;
import org.apache.fop.layout.FontState;
import org.apache.fop.layout.FontInfo;
import org.apache.fop.apps.FOPException;
import org.apache.fop.apps.StreamRenderer;
import org.apache.fop.datatypes.ColorType;
import java.util.List;
/**
* base class for representation of mixed content formatting objects
* and their processing
*/
public class FObjMixed extends FObj {
TextInfo textInfo = null;
protected FontInfo fontInfo = null;
public FObjMixed(FONode parent) {
super(parent);
}
public void setStreamRenderer(StreamRenderer st) {
fontInfo = st.getFontInfo();
}
public void addLayoutManager(List lms) {
// set start and end properties for this element, id, etc.
int numChildren = this.children.size();
for (int i = 0; i < numChildren; i++) {
Object o = children.get(i);
if (o instanceof FObj) {
FObj fo = (FObj) o;
fo.addLayoutManager(lms);
}
}
}
protected void addCharacters(char data[], int start, int length) {
if (textInfo == null) {
textInfo = new TextInfo();
try {
textInfo.fs = propMgr.getFontState(fontInfo);
} catch (FOPException fopex) {
log.error("Error setting FontState for characters: " +
fopex.getMessage());
}
ColorType c = getProperty("color").getColorType();
textInfo.color = c;
textInfo.verticalAlign =
getProperty("vertical-align").getEnum();
textInfo.wrapOption = getProperty("wrap-option").getEnum();
textInfo.whiteSpaceCollapse =
getProperty("white-space-collapse").getEnum();
}
FOText ft = new FOText(data, start, length, textInfo);
ft.setLogger(log);
addChild(ft);
}
public Status layout(Area area) throws FOPException {
if (this.properties != null) {
Property prop = this.properties.get("id");
if (prop != null) {
String id = prop.getString();
if (this.marker == START) {
if (area.getIDReferences() != null)
area.getIDReferences().createID(id);
this.marker = 0;
}
if (this.marker == 0) {
if (area.getIDReferences() != null)
area.getIDReferences().configureID(id, area);
}
}
}
int numChildren = this.children.size();
for (int i = this.marker; i < numChildren; i++) {
FONode fo = (FONode) children.get(i);
Status status;
if ((status = fo.layout(area)).isIncomplete()) {
this.marker = i;
return status;
}
}
return new Status(Status.OK);
}
public CharIterator charIterator() {
return new RecursiveCharIterator(this);
}
}
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