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Posted to fop-commits@xmlgraphics.apache.org by ar...@locus.apache.org on 2000/06/14 03:57:09 UTC

cvs commit: xml-fop/src/org/apache/fop/layout BlockArea.java

arved       00/06/13 18:57:09

  Modified:    src/org/apache/fop/layout BlockArea.java
  Log:
  NEW: Simple link mods
  
  Revision  Changes    Path
  1.10      +207 -200  xml-fop/src/org/apache/fop/layout/BlockArea.java
  
  Index: BlockArea.java
  ===================================================================
  RCS file: /home/cvs/xml-fop/src/org/apache/fop/layout/BlockArea.java,v
  retrieving revision 1.9
  retrieving revision 1.10
  diff -u -r1.9 -r1.10
  --- BlockArea.java	2000/04/02 03:49:30	1.9
  +++ BlockArea.java	2000/06/14 01:57:08	1.10
  @@ -1,200 +1,207 @@
  -/*-- $Id: BlockArea.java,v 1.9 2000/04/02 03:49:30 arved Exp $ -- 
  -
  - ============================================================================
  -                   The Apache Software License, Version 1.1
  - ============================================================================
  - 
  -    Copyright (C) 1999 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 <jt...@jtauber.com>. For more  information on the Apache 
  - Software Foundation, please see <http://www.apache.org/>.
  - 
  - */
  -package org.apache.fop.layout;
  -
  -// FOP
  -import org.apache.fop.render.Renderer;
  -
  -// Java
  -import java.util.Vector;
  -import java.util.Enumeration;
  -
  -public class BlockArea extends Area {
  -	
  -    /* relative to area container */
  -    protected int startIndent;
  -    protected int endIndent;
  -
  -    /* first line startIndent modifier */
  -    protected int textIndent;
  -
  -    protected int lineHeight;
  -	
  -    protected int halfLeading;
  -
  -    /* text-align of all but the last line */
  -    protected int align;
  -
  -    /* text-align of the last line */
  -    protected int alignLastLine;
  -	
  -    protected LineArea currentLineArea;
  -    protected LinkSet currentLinkSet;
  -
  -    /* have any line areas been used? */
  -    protected boolean hasLines = false;
  -
  -    public BlockArea(FontState fontState, int allocationWidth,
  -		     int maxHeight, int startIndent, int endIndent,
  -		     int textIndent, int align, int alignLastLine,
  -		     int lineHeight) {
  -	super(fontState, allocationWidth, maxHeight);
  -
  -	this.startIndent = startIndent;
  -	this.endIndent = endIndent;
  -	this.textIndent = textIndent;
  -	this.contentRectangleWidth = allocationWidth - startIndent - endIndent;
  -	this.align = align;
  -	this.alignLastLine = alignLastLine;
  -	this.lineHeight = lineHeight;
  -
  -        if (fontState != null)
  -	  this.halfLeading = (lineHeight - fontState.getFontSize())/2;
  -    }
  -
  -    public void render(Renderer renderer) {
  -	renderer.renderBlockArea(this);
  -    }
  -
  -    public void addLineArea(LineArea la) {
  -	if (!la.isEmpty()) {
  -	    this.addDisplaySpace(this.halfLeading);
  -	    int size = la.getHeight();
  -	    this.addChild(la);
  -	    this.increaseHeight(size);
  -	    this.addDisplaySpace(this.halfLeading);
  -	}
  -    }
  -
  -    public int addText(FontState fontState, float red, float green,
  -		       float blue, int wrapOption, LinkSet ls,
  -		       int whiteSpaceTreatment, char data[],
  -		       int start, int end) { 
  -	int ts, te;
  -	char[] ca;
  -	
  -	ts = start;
  -	te = end;
  -	ca = data;
  -
  -	if (currentHeight + currentLineArea.getHeight() > maxHeight) {
  -	    return start;
  -	}
  -		
  -	this.currentLineArea.changeFont(fontState);
  -	this.currentLineArea.changeColor(red, green, blue);
  -	this.currentLineArea.changeWrapOption(wrapOption);
  -	this.currentLineArea.changeWhiteSpaceTreatment(whiteSpaceTreatment);
  -
  -	if (ls != null) {
  -            this.currentLinkSet = ls;
  -	    ls.setYOffset(currentHeight);
  -	}
  -
  -	ts = this.currentLineArea.addText(ca, ts, te, ls);
  -	this.hasLines = true;
  -		
  -	while (ts != -1) {
  -	    this.currentLineArea.align(this.align);
  -	    this.addLineArea(this.currentLineArea);
  -	    this.currentLineArea = new
  -		LineArea(fontState, lineHeight, halfLeading,
  -			 allocationWidth, startIndent, endIndent);  
  -	    if (currentHeight + currentLineArea.getHeight() >
  -		this.maxHeight) {
  -		return ts;
  -	    }
  -	    this.currentLineArea.changeFont(fontState);
  -	    this.currentLineArea.changeColor(red, green, blue);
  -	    this.currentLineArea.changeWrapOption(wrapOption);
  -	    this.currentLineArea.changeWhiteSpaceTreatment(whiteSpaceTreatment);
  -	    if (ls != null) {
  -		ls.setYOffset(currentHeight);
  -	    }
  -
  -	    ts = this.currentLineArea.addText(ca, ts, te, ls);
  -	}
  -	return -1;
  -    }
  -
  -    public void end() {
  -	if (this.hasLines) {
  -	    this.currentLineArea.addPending();
  -	    this.currentLineArea.align(this.alignLastLine);
  -	    this.addLineArea(this.currentLineArea);
  -	}
  -    }
  -
  -    public void start() {
  -	currentLineArea = new LineArea(fontState, lineHeight,
  -				       halfLeading, allocationWidth,
  -				       startIndent + textIndent,
  -				       endIndent);
  -    }
  -
  -    public int getEndIndent() {
  -	return endIndent;
  -    }
  -
  -    public int getStartIndent() {
  -	return startIndent + paddingLeft + borderWidthLeft;
  -    }
  -
  -    public void setIndents(int startIndent, int endIndent) {
  -	this.startIndent = startIndent;
  -	this.endIndent = endIndent;
  -	this.contentRectangleWidth = allocationWidth - startIndent - endIndent;
  -    }
  -    
  -    public int spaceLeft() {
  -	return maxHeight - currentHeight;
  -    }
  -}
  +/*-- $Id: BlockArea.java,v 1.10 2000/06/14 01:57:08 arved Exp $ -- 
  +
  + ============================================================================
  +                   The Apache Software License, Version 1.1
  + ============================================================================
  + 
  +    Copyright (C) 1999 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 <jt...@jtauber.com>. For more  information on the Apache 
  + Software Foundation, please see <http://www.apache.org/>.
  + 
  + */
  +package org.apache.fop.layout;
  +
  +// FOP
  +import org.apache.fop.render.Renderer;
  +
  +// Java
  +import java.util.Vector;
  +import java.util.Enumeration;
  +
  +public class BlockArea extends Area {
  +	
  +    /* relative to area container */
  +    protected int startIndent;
  +    protected int endIndent;
  +
  +    /* first line startIndent modifier */
  +    protected int textIndent;
  +
  +    protected int lineHeight;
  +	
  +    protected int halfLeading;
  +
  +    
  +    /* text-align of all but the last line */
  +    protected int align;
  +
  +    /* text-align of the last line */
  +    protected int alignLastLine;
  +	
  +    protected LineArea currentLineArea;
  +    protected LinkSet currentLinkSet;
  +
  +    /* have any line areas been used? */
  +    protected boolean hasLines = false;
  +
  +    public BlockArea(FontState fontState, int allocationWidth,
  +		     int maxHeight, int startIndent, int endIndent,
  +		     int textIndent, int align, int alignLastLine,
  +		     int lineHeight) {
  +	super(fontState, allocationWidth, maxHeight);
  +
  +	this.startIndent = startIndent;
  +	this.endIndent = endIndent;
  +	this.textIndent = textIndent;
  +	this.contentRectangleWidth = allocationWidth - startIndent - endIndent;
  +	this.align = align;
  +	this.alignLastLine = alignLastLine;
  +	this.lineHeight = lineHeight;
  +
  +        if (fontState != null)
  +	  this.halfLeading = (lineHeight - fontState.getFontSize())/2;
  +    }
  +
  +    public void render(Renderer renderer) {
  +	renderer.renderBlockArea(this);
  +    }
  +
  +    public void addLineArea(LineArea la) {
  +	if (!la.isEmpty()) {
  +	    this.addDisplaySpace(this.halfLeading);
  +	    int size = la.getHeight();
  +	    this.addChild(la);
  +	    this.increaseHeight(size);
  +	    this.addDisplaySpace(this.halfLeading);
  +	}
  +    }
  +
  +    public int addText(FontState fontState, float red, float green,
  +		       float blue, int wrapOption, LinkSet ls,
  +		       int whiteSpaceTreatment, char data[],
  +		       int start, int end) { 
  +	int ts, te;
  +	char[] ca;
  +	
  +	ts = start;
  +	te = end;
  +	ca = data;
  +
  +	if (currentHeight + currentLineArea.getHeight() > maxHeight) {
  +	    return start;
  +	}
  +		
  +	this.currentLineArea.changeFont(fontState);
  +	this.currentLineArea.changeColor(red, green, blue);
  +	this.currentLineArea.changeWrapOption(wrapOption);
  +	this.currentLineArea.changeWhiteSpaceTreatment(whiteSpaceTreatment);
  +
  +	if (ls != null) {
  +            this.currentLinkSet = ls;
  +	    ls.setYOffset(currentHeight);
  +	}
  +
  +	ts = this.currentLineArea.addText(ca, ts, te, ls);
  +	this.hasLines = true;
  +		
  +	while (ts != -1) {
  +	    this.currentLineArea.align(this.align);
  +	    this.addLineArea(this.currentLineArea);
  +	    this.currentLineArea = new
  +		LineArea(fontState, lineHeight, halfLeading,
  +			 allocationWidth, startIndent, endIndent);  
  +	    if (currentHeight + currentLineArea.getHeight() >
  +		this.maxHeight) {
  +		return ts;
  +	    }
  +	    this.currentLineArea.changeFont(fontState);
  +	    this.currentLineArea.changeColor(red, green, blue);
  +	    this.currentLineArea.changeWrapOption(wrapOption);
  +	    this.currentLineArea.changeWhiteSpaceTreatment(whiteSpaceTreatment);
  +	    if (ls != null) {
  +		ls.setYOffset(currentHeight);
  +	    }
  +
  +	    ts = this.currentLineArea.addText(ca, ts, te, ls);
  +	}
  +	return -1;
  +    }
  +
  +    public void end() {
  +	if (this.hasLines) {
  +	    this.currentLineArea.addPending();
  +	    this.currentLineArea.align(this.alignLastLine);
  +	    this.addLineArea(this.currentLineArea);
  +	}
  +    }
  +
  +    public void start() {
  +	currentLineArea = new LineArea(fontState, lineHeight,
  +				       halfLeading, allocationWidth,
  +				       startIndent + textIndent,
  +				       endIndent);
  +    }
  +
  +    public int getEndIndent() {
  +	return endIndent;
  +    }
  +
  +    public int getStartIndent() {
  +	return startIndent + paddingLeft + borderWidthLeft;
  +    }
  +
  +    public void setIndents(int startIndent, int endIndent) {
  +	this.startIndent = startIndent;
  +	this.endIndent = endIndent;
  +	this.contentRectangleWidth = allocationWidth - startIndent - endIndent;
  +    }
  +    
  +    public int spaceLeft() {
  +	return maxHeight - currentHeight;
  +    }
  +    
  +    public int getHalfLeading()
  +    {
  +        return halfLeading;
  +    }
  +
  +}