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/*
* $Id: TXTRenderer.java,v 1.18 2003/03/07 09:46:32 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 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 <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.render.txt;
// FOP
import org.apache.fop.render.PrintRenderer;
import org.apache.fop.render.pcl.PCLStream;
/**
* Renderer that renders areas to plain text
*
* Created by Arthur E Welch III while at M&I EastPoint Technology
* Modified by Mark Lillywhite mark-fop@inomial.com to use the new
* Renderer interface.
*/
public class TXTRenderer extends PrintRenderer {
/**
* the current stream to add Text commands to
*/
private PCLStream currentStream;
private int pageHeight = 7920;
// These variables control the virtual paggination functionality.
private int curdiv = 0;
private int divisions = -1;
private int paperheight = -1; // Paper height in decipoints?
private int orientation = -1; // -1=default/unknown, 0=portrait, 1=landscape.
private int topmargin = -1; // Top margin in decipoints?
private int leftmargin = -1; // Left margin in decipoints?
private int fullmargin = 0;
private final boolean debug = false;
// Variables for rendering text.
private StringBuffer charData[];
private StringBuffer decoData[];
private float textCPI = 16.67f;
private float textLPI = 8;
private int maxX = (int)(8.5f * textCPI + 1);
private int maxY = (int)(11f * textLPI + 1);
private float xFactor;
private float yFactor;
/**
* Every line except the last line on a page (which will end with
* pageEnding) will be terminated with this string.
*/
private String lineEnding = "\r\n";
/**
* Every page except the last one will end with this string.
*/
private String pageEnding = "\f";
/**
* If true then graphics/decorations will not be rendered - text only.
*/
private boolean suppressGraphics = false;
private boolean firstPage = false;
private void addStr(int row, int col, String str, boolean ischar) {
if (debug) {
getLogger().debug("TXTRenderer.addStr(" + row + ", " + col
+ ", \"" + str + "\", " + ischar + ")");
}
if (suppressGraphics && !ischar) {
return;
}
StringBuffer sb;
if (row < 0) {
row = 0;
}
if (ischar) {
sb = charData[row];
} else {
sb = decoData[row];
}
if (sb == null) {
sb = new StringBuffer();
}
if ((col + str.length()) > maxX) {
col = maxX - str.length();
}
if (col < 0) {
col = 0;
if (str.length() > maxX) {
str = str.substring(0, maxX);
}
}
// Pad to col
for (int countr = sb.length(); countr < col; countr++) {
sb.append(' ');
}
if (debug) {
getLogger().debug("TXTRenderer.addStr() sb.length()="
+ sb.length());
}
for (int countr = col; countr < (col + str.length()); countr++) {
if (countr >= sb.length()) {
sb.append(str.charAt(countr - col));
} else {
if (debug) {
getLogger().debug("TXTRenderer.addStr() sb.length()="
+ sb.length() + " countr=" + countr);
}
sb.setCharAt(countr, str.charAt(countr - col));
}
}
if (ischar) {
charData[row] = sb;
} else {
decoData[row] = sb;
}
}
}
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