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/*
* $Id: RtfPageSetting.java,v 1.9 2004/12/27 07:10:03 blowagie Exp $
* $Name: $
*
* Copyright 2003, 2004 by Mark Hall
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.rtf.document;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import com.lowagie.text.PageSize;
import com.lowagie.text.Rectangle;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.RtfExtendedElement;
/**
* The RtfPageSetting stores the page size / page margins for a RtfDocument.
* INTERNAL CLASS - NOT TO BE USED DIRECTLY
*
* @version $Version:$
* @author Mark Hall ([email protected])
*/
public class RtfPageSetting extends RtfElement implements RtfExtendedElement {
/**
* Constant for the page height
*/
private static final byte[] PAGE_WIDTH = "\\paperw".getBytes();
/**
* Constant for the page width
*/
private static final byte[] PAGE_HEIGHT = "\\paperh".getBytes();
/**
* Constant for the left margin
*/
private static final byte[] MARGIN_LEFT = "\\margl".getBytes();
/**
* Constant for the right margin
*/
private static final byte[] MARGIN_RIGHT = "\\margr".getBytes();
/**
* Constant for the top margin
*/
private static final byte[] MARGIN_TOP = "\\margt".getBytes();
/**
* Constant for the bottom margin
*/
private static final byte[] MARGIN_BOTTOM = "\\margb".getBytes();
/**
* Constant for landscape
*/
private static final byte[] LANDSCAPE = "\\lndscpsxn".getBytes();
/**
* Constant for the section page width
*/
private static final byte[] SECTION_PAGE_WIDTH = "\\pgwsxn".getBytes();
/**
* Constant for the section page height
*/
private static final byte[] SECTION_PAGE_HEIGHT = "\\pghsxn".getBytes();
/**
* The page width to use
*/
private int pageWidth = 11906;
/**
* The page height to use
*/
private int pageHeight = 16840;
/**
* The left margin to use
*/
private int marginLeft = 1800;
/**
* The right margin to use
*/
private int marginRight = 1800;
/**
* The top margin to use
*/
private int marginTop = 1440;
/**
* The bottom margin to use
*/
private int marginBottom = 1440;
/**
* Whether the page is portrait or landscape
*/
private boolean landscape = false;
/**
* Constructs a new RtfPageSetting object belonging to a RtfDocument.
*
* @param doc The RtfDocument this RtfPageSetting belongs to
*/
public RtfPageSetting(RtfDocument doc) {
super(doc);
}
/**
* Writes the page size / page margin definition
*
* @return A byte array with the page size / page margin definition
*/
public byte[] writeDefinition() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
result.write(PAGE_WIDTH);
result.write(intToByteArray(pageWidth));
result.write(PAGE_HEIGHT);
result.write(intToByteArray(pageHeight));
result.write(MARGIN_LEFT);
result.write(intToByteArray(marginLeft));
result.write(MARGIN_RIGHT);
result.write(intToByteArray(marginRight));
result.write(MARGIN_TOP);
result.write(intToByteArray(marginTop));
result.write(MARGIN_BOTTOM);
result.write(intToByteArray(marginBottom));
result.write((byte)'\n');
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
/**
* Writes the definition part for a new section
*
* @return A byte array containing the definition for a new section
*/
public byte[] writeSectionDefinition() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
if(landscape) {
result.write(LANDSCAPE);
result.write(SECTION_PAGE_WIDTH);
result.write(intToByteArray(pageWidth));
result.write(SECTION_PAGE_HEIGHT);
result.write(intToByteArray(pageHeight));
result.write((byte)'\n');
} else {
result.write(SECTION_PAGE_WIDTH);
result.write(intToByteArray(pageWidth));
result.write(SECTION_PAGE_HEIGHT);
result.write(intToByteArray(pageHeight));
result.write((byte)'\n');
}
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
/**
* Gets the bottom margin
*
* @return Returns the bottom margin
*/
public int getMarginBottom() {
return marginBottom;
}
/**
* Sets the bottom margin
*
* @param marginBottom The bottom margin to use
*/
public void setMarginBottom(int marginBottom) {
this.marginBottom = marginBottom;
}
/**
* Gets the left margin
*
* @return Returns the left margin
*/
public int getMarginLeft() {
return marginLeft;
}
/**
* Sets the left margin to use
*
* @param marginLeft The left margin to use
*/
public void setMarginLeft(int marginLeft) {
this.marginLeft = marginLeft;
}
/**
* Gets the right margin
*
* @return Returns the right margin
*/
public int getMarginRight() {
return marginRight;
}
/**
* Sets the right margin to use
*
* @param marginRight The right margin to use
*/
public void setMarginRight(int marginRight) {
this.marginRight = marginRight;
}
/**
* Gets the top margin
*
* @return Returns the top margin
*/
public int getMarginTop() {
return marginTop;
}
/**
* Sets the top margin to use
*
* @param marginTop The top margin to use
*/
public void setMarginTop(int marginTop) {
this.marginTop = marginTop;
}
/**
* Gets the page height
*
* @return Returns the page height
*/
public int getPageHeight() {
return pageHeight;
}
/**
* Sets the page height to use
*
* @param pageHeight The page height to use
*/
public void setPageHeight(int pageHeight) {
this.pageHeight = pageHeight;
}
/**
* Gets the page width
*
* @return Returns the page width
*/
public int getPageWidth() {
return pageWidth;
}
/**
* Sets the page width to use
*
* @param pageWidth The page width to use
*/
public void setPageWidth(int pageWidth) {
this.pageWidth = pageWidth;
}
/**
* Set the page size to use. This method will use guessFormat to try to guess the correct
* page format. If no format could be guessed, the sizes from the pageSize are used and
* the landscape setting is determined by comparing width and height;
*
* @param pageSize The pageSize to use
*/
public void setPageSize(Rectangle pageSize) {
if(!guessFormat(pageSize, false)) {
this.pageWidth = (int) (pageSize.width() * RtfElement.TWIPS_FACTOR);
this.pageHeight = (int) (pageSize.height() * RtfElement.TWIPS_FACTOR);
this.landscape = pageWidth > pageHeight;
}
}
/**
* This method tries to fit the Rectangle pageSize to one of the predefined PageSize rectangles.
* If a match is found the pageWidth and pageHeight will be set according to values determined from files
* generated by MS Word2000 and OpenOffice 641. If no match is found the method will try to match the rotated
* Rectangle by calling itself with the parameter rotate set to true.
*
* @param pageSize the page size for which to guess the correct format
* @param rotate Whether we should try to rotate the size befor guessing the format
* @return True if the format was guessed, false/ otherwise
*/
private boolean guessFormat(Rectangle pageSize, boolean rotate) {
if (rotate) {
pageSize = pageSize.rotate();
}
if (rectEquals(pageSize, PageSize.A3)) {
pageWidth = 16837;
pageHeight = 23811;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.A4)) {
pageWidth = 11907;
pageHeight = 16840;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.A5)) {
pageWidth = 8391;
pageHeight = 11907;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.A6)) {
pageWidth = 5959;
pageHeight = 8420;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.B4)) {
pageWidth = 14570;
pageHeight = 20636;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.B5)) {
pageWidth = 10319;
pageHeight = 14572;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.HALFLETTER)) {
pageWidth = 7927;
pageHeight = 12247;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.LETTER)) {
pageWidth = 12242;
pageHeight = 15842;
landscape = rotate;
return true;
}
if (rectEquals(pageSize, PageSize.LEGAL)) {
pageWidth = 12252;
pageHeight = 20163;
landscape = rotate;
return true;
}
if (!rotate && guessFormat(pageSize, true)) {
int x = pageWidth;
pageWidth = pageHeight;
pageHeight = x;
return true;
}
return false;
}
/**
* This method compares to Rectangles. They are considered equal if width and height are the same
*
* @param rect1 The first Rectangle to compare
* @param rect2 The second Rectangle to compare
* @return True if the Rectangles equal, false otherwise
*/
private boolean rectEquals(Rectangle rect1, Rectangle rect2) {
return (rect1.width() == rect2.width()) && (rect1.height() == rect2.height());
}
}
