pagesize.java

源码包含生成 PDF 和 HTML 的类库

/*
 * $Id: PageSize.java 3373 2008-05-12 16:21:24Z xlv $
 *
 * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie.
 *
 * 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;

import java.lang.reflect.Field;

/**
 * The <CODE>PageSize</CODE>-object contains a number of rectangles representing the most common paper sizes.
 *
 * @see		Rectangle
 */

public class PageSize {
    
    // membervariables
    
	/** This is the letter format */
    public static final Rectangle LETTER = new RectangleReadOnly(612,792);
    
    /** This is the note format */
    public static final Rectangle NOTE = new RectangleReadOnly(540,720);
    
    /** This is the legal format */
    public static final Rectangle LEGAL = new RectangleReadOnly(612,1008);
    
    /** This is the tabloid format */
    public static final Rectangle TABLOID = new RectangleReadOnly(792,1224);

    /** This is the executive format */
    public static final Rectangle EXECUTIVE = new RectangleReadOnly(522,756);

    /** This is the postcard format */
    public static final Rectangle POSTCARD = new RectangleReadOnly(283,416);
    
    /** This is the a0 format */
    public static final Rectangle A0 = new RectangleReadOnly(2384,3370);
    
    /** This is the a1 format */
    public static final Rectangle A1 = new RectangleReadOnly(1684,2384);
    
    /** This is the a2 format */
    public static final Rectangle A2 = new RectangleReadOnly(1191,1684);
    
    /** This is the a3 format */
    public static final Rectangle A3 = new RectangleReadOnly(842,1191);
    
    /** This is the a4 format */
    public static final Rectangle A4 = new RectangleReadOnly(595,842);
    
    /** This is the a5 format */
    public static final Rectangle A5 = new RectangleReadOnly(420,595);
    
    /** This is the a6 format */
    public static final Rectangle A6 = new RectangleReadOnly(297,420);
    
    /** This is the a7 format */
    public static final Rectangle A7 = new RectangleReadOnly(210,297);
    
    /** This is the a8 format */
    public static final Rectangle A8 = new RectangleReadOnly(148,210);
    
    /** This is the a9 format */
    public static final Rectangle A9 = new RectangleReadOnly(105,148);
    
    /** This is the a10 format */
    public static final Rectangle A10 = new RectangleReadOnly(73,105);
    
    /** This is the b0 format */
    public static final Rectangle B0 = new RectangleReadOnly(2834,4008);
    
    /** This is the b1 format */
    public static final Rectangle B1 = new RectangleReadOnly(2004,2834);
    
    /** This is the b2 format */
    public static final Rectangle B2 = new RectangleReadOnly(1417,2004);
    
    /** This is the b3 format */
    public static final Rectangle B3 = new RectangleReadOnly(1000,1417);
    
    /** This is the b4 format */
    public static final Rectangle B4 = new RectangleReadOnly(708,1000);
    
    /** This is the b5 format */
    public static final Rectangle B5 = new RectangleReadOnly(498,708);

    /** This is the b6 format */
    public static final Rectangle B6 = new RectangleReadOnly(354,498);
    
    /** This is the b7 format */
    public static final Rectangle B7 = new RectangleReadOnly(249,354);
    
    /** This is the b8 format */
    public static final Rectangle B8 = new RectangleReadOnly(175,249);

    /** This is the b9 format */
    public static final Rectangle B9 = new RectangleReadOnly(124,175);

    /** This is the b10 format */
    public static final Rectangle B10 = new RectangleReadOnly(87,124);
    
    /** This is the archE format */
    public static final Rectangle ARCH_E = new RectangleReadOnly(2592,3456);
    
    /** This is the archD format */
    public static final Rectangle ARCH_D = new RectangleReadOnly(1728,2592);
    
    /** This is the archC format */
    public static final Rectangle ARCH_C = new RectangleReadOnly(1296,1728);
    
    /** This is the archB format */
    public static final Rectangle ARCH_B = new RectangleReadOnly(864,1296);
    
    /** This is the archA format */
    public static final Rectangle ARCH_A = new RectangleReadOnly(648,864);
    
    /** This is the American Foolscap format */
    public static final Rectangle FLSA = new RectangleReadOnly(612,936);
    
    /** This is the European Foolscap format */
    public static final Rectangle FLSE = new RectangleReadOnly(648,936);
    
    /** This is the halfletter format */
    public static final Rectangle HALFLETTER = new RectangleReadOnly(396,612);
    
    /** This is the 11x17 format */
    public static final Rectangle _11X17 = new RectangleReadOnly(792,1224);
    
    /** This is the ISO 7810 ID-1 format (85.60 x 53.98 mm or 3.370 x 2.125 inch) */
    public static final Rectangle ID_1 = new RectangleReadOnly(242.65f,153);
    
    /** This is the ISO 7810 ID-2 format (A7 rotated) */
    public static final Rectangle ID_2 = new RectangleReadOnly(297,210);
    
    /** This is the ISO 7810 ID-3 format (B7 rotated) */
    public static final Rectangle ID_3 = new RectangleReadOnly(354,249);
    
    /** This is the ledger format */
    public static final Rectangle LEDGER = new RectangleReadOnly(1224,792);
    
    /** This is the Crown Quarto format */
    public static final Rectangle CROWN_QUARTO = new RectangleReadOnly(535,697);

    /** This is the Large Crown Quarto format */
    public static final Rectangle LARGE_CROWN_QUARTO = new RectangleReadOnly(569,731);
    
    /** This is the Demy Quarto format. */
    public static final Rectangle DEMY_QUARTO = new RectangleReadOnly(620,782);
    
    /** This is the Royal Quarto format. */
    public static final Rectangle ROYAL_QUARTO = new RectangleReadOnly(671,884);
    
    /** This is the Crown Octavo format */
    public static final Rectangle CROWN_OCTAVO = new RectangleReadOnly(348,527);
    
    /** This is the Large Crown Octavo format */
    public static final Rectangle LARGE_CROWN_OCTAVO = new RectangleReadOnly(365,561);
    
    /** This is the Demy Octavo format */
    public static final Rectangle DEMY_OCTAVO = new RectangleReadOnly(391,612);
    
    /** This is the Royal Octavo format. */
    public static final Rectangle ROYAL_OCTAVO = new RectangleReadOnly(442,663);
    
    /** This is the small paperback format. */
    public static final Rectangle SMALL_PAPERBACK = new RectangleReadOnly(314,504);
    
    /** This is the Pengiun small paperback format. */
    public static final Rectangle PENGUIN_SMALL_PAPERBACK = new RectangleReadOnly(314,513);
    
    /** This is the Penguin large paperback format. */
    public static final Rectangle PENGUIN_LARGE_PAPERBACK = new RectangleReadOnly(365,561);
      
    /**
     * This method returns a Rectangle based on a String.
     * Possible values are the the names of a constant in this class
     * (for instance "A4", "LETTER",...) or a value like "595 842"
     */
    public static Rectangle getRectangle(String name)  {
    	name = name.trim().toUpperCase();
    	int pos = name.indexOf(' ');
        if (pos == -1) {
            try {            
                Field field = PageSize.class.getDeclaredField(name.toUpperCase());
                return (Rectangle) field.get(null);
            } catch (Exception e) {
                throw new RuntimeException("Can't find page size " + name);          
            }
        }
        else {
        	try {
        		String width = name.substring(0, pos);
        		String height = name.substring(pos + 1);
        		return new Rectangle(Float.parseFloat(width), Float.parseFloat(height));
        	} catch(Exception e) {
        		throw new RuntimeException(name + " is not a valid page size format; " + e.getMessage());
        	}
        }
    }
}