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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.fo.flow;
import org.apache.fop.fo.FONode;
import org.apache.fop.layoutmgr.AddLMVisitor;
import org.apache.fop.fo.FObj;
/**
* The instream-foreign-object flow formatting object.
* This is an atomic inline object that contains
* xml data.
*/
public class InstreamForeignObject extends FObj {
/**
* constructs an instream-foreign-object object (called by Maker).
*
* @param parent the parent formatting object
*/
public InstreamForeignObject(FONode parent) {
super(parent);
}
public int computeXOffset (int ipd, int cwidth) {
int xoffset = 0;
int ta = propertyList.get(PR_TEXT_ALIGN).getEnum();
switch (ta) {
case TextAlign.CENTER:
xoffset = (ipd - cwidth) / 2;
break;
case TextAlign.END:
xoffset = ipd - cwidth;
break;
case TextAlign.START:
break;
case TextAlign.JUSTIFY:
default:
break;
}
return xoffset;
}
public int computeYOffset(int bpd, int cheight) {
int yoffset = 0;
int da = propertyList.get(PR_DISPLAY_ALIGN).getEnum();
switch (da) {
case DisplayAlign.BEFORE:
break;
case DisplayAlign.AFTER:
yoffset = bpd - cheight;
break;
case DisplayAlign.CENTER:
yoffset = (bpd - cheight) / 2;
break;
case DisplayAlign.AUTO:
default:
break;
}
return yoffset;
}
/**
* This flow object generates inline areas.
* @see org.apache.fop.fo.FObj#generatesInlineAreas()
* @return true
*/
public boolean generatesInlineAreas() {
return true;
}
/*
// Common Accessibility Properties
AccessibilityProps mAccProps = propMgr.getAccessibilityProps();
// Common Aural Properties
AuralProps mAurProps = propMgr.getAuralProps();
// Common Border, Padding, and Background Properties
BorderAndPadding bap = propMgr.getBorderAndPadding();
BackgroundProps bProps = propMgr.getBackgroundProps();
// Common Margin Properties-Inline
MarginInlineProps mProps = propMgr.getMarginInlineProps();
// Common Relative Position Properties
RelativePositionProps mRelProps = propMgr.getRelativePositionProps();
// this.propertyList.get("alignment-adjust");
// this.propertyList.get("alignment-baseline");
// this.propertyList.get("baseline-shift");
// this.propertyList.get("block-progression-dimension");
// this.propertyList.get("content-height");
// this.propertyList.get("content-type");
// this.propertyList.get("content-width");
// this.propertyList.get("display-align");
// this.propertyList.get("dominant-baseline");
// this.propertyList.get("height");
setupID();
// this.propertyList.get("inline-progression-dimension");
// this.propertyList.get("keep-with-next");
// this.propertyList.get("keep-with-previous");
// this.propertyList.get("line-height");
// this.propertyList.get("line-height-shift-adjustment");
// this.propertyList.get("overflow");
// this.propertyList.get("scaling");
// this.propertyList.get("scaling-method");
// this.propertyList.get("text-align");
// this.propertyList.get("width");
/* retrieve properties *
int align = this.propertyList.get("text-align").getEnum();
int valign = this.propertyList.get("vertical-align").getEnum();
int overflow = this.propertyList.get("overflow").getEnum();
this.breakBefore = this.propertyList.get("break-before").getEnum();
this.breakAfter = this.propertyList.get("break-after").getEnum();
this.width = this.propertyList.get("width").getLength().mvalue();
this.height = this.propertyList.get("height").getLength().mvalue();
this.contwidth =
this.propertyList.get("content-width").getLength().mvalue();
this.contheight =
this.propertyList.get("content-height").getLength().mvalue();
this.wauto = this.propertyList.get("width").getLength().isAuto();
this.hauto = this.propertyList.get("height").getLength().isAuto();
this.cwauto =
this.propertyList.get("content-width").getLength().isAuto();
this.chauto =
this.propertyList.get("content-height").getLength().isAuto();
this.startIndent =
this.propertyList.get("start-indent").getLength().mvalue();
this.endIndent =
this.propertyList.get("end-indent").getLength().mvalue();
this.spaceBefore =
this.propertyList.get("space-before.optimum").getLength().mvalue();
this.spaceAfter =
this.propertyList.get("space-after.optimum").getLength().mvalue();
this.scaling = this.propertyList.get("scaling").getEnum();
*/
/**
* This is a hook for the AddLMVisitor class to be able to access
* this object.
* @param aLMV the AddLMVisitor object that can access this object.
*/
public void acceptVisitor(AddLMVisitor aLMV) {
aLMV.serveInstreamForeignObject(this);
}
public String getName() {
return "fo:instream-foreign-object";
}
}
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