mirror of git://gcc.gnu.org/git/gcc.git
293 lines
7.5 KiB
Java
293 lines
7.5 KiB
Java
/* PageFormat.java -- Information about the page format
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.print;
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/**
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* This class contains information about the desired page format to
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* use for printing a particular set of pages.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class PageFormat implements Cloneable
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{
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/*
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* Static Variables
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*/
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/**
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* A constant for a landscaped page orientation. Used by
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* <code>getOrientation</code> and <code>setOrientation</code>.
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*/
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public static final int LANDSCAPE = 0;
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/**
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* A constant for a portrait page orientation. Used by
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* <code>getOrientation</code> and <code>setOrientation</code>.
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*/
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public static final int PORTRAIT = 1;
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/**
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* A constant for a reversed landscaped page orientation. This is
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* the orientation used by Macintosh's for landscape. The origin is
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* in the upper right hand corner instead of the upper left. The
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* X and Y axes are reversed. Used by <code>getOrientation</code> and
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* <code>setOrientation</code>.
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*/
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public static final int REVERSE_LANDSCAPE = 2;
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/*************************************************************************/
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/*
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* Instance Variables
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*/
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// The page orientation
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private int orientation;
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// The paper type
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private Paper paper;
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/*************************************************************************/
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/*
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* Constructors
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*/
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/**
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* This method creates a default page layout, which will be in portrait
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* format.
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*/
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public
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PageFormat()
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{
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this.paper = new Paper();
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this.orientation = PORTRAIT;
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}
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/*************************************************************************/
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/*
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* Instance Methods
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*/
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/**
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* This method returns the width of the page, in 1/72nd's of an inch. The
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* "width" measured depends on orientation.
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*
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* @return The width of the page.
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*/
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public double
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getWidth()
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{
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return(paper.getWidth());
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}
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/*************************************************************************/
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/**
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* This method returns the height of the page, in 1/72nd's of an inch.
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* The "height" measured depends on the orientation.
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*
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* @return The height of the page.
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*/
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public double
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getHeight()
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{
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return(paper.getHeight());
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}
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/*************************************************************************/
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/**
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* This method returns the X coordinate value of the upper leftmost
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* drawable area of the paper.
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*
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* @return The upper leftmost imageable X coordinate.
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*/
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public double
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getImageableX()
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{
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return(paper.getImageableX());
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}
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/*************************************************************************/
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/**
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* This method returns the Y coordinate value of the upper leftmost
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* drawable area of the paper.
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*
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* @return The upper leftmost imageable Y coordinate.
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*/
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public double
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getImageableY()
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{
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return(paper.getImageableY());
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}
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/*************************************************************************/
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/**
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* This method returns the imageable width of the paper, in 1/72nd's of
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* an inch.
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*
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* @return The imageable width of the paper.
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*/
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public double
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getImageableWidth()
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{
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return(paper.getImageableWidth());
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}
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/*************************************************************************/
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/**
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* This method returns the imageable height of the paper, in 1/72nd's of
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* an inch.
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*
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* @return The imageable height of the paper.
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*/
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public double getImageableHeight()
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{
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return(paper.getImageableHeight());
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}
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/*************************************************************************/
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/**
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* Returns a copy of the <code>paper</code> object being used for this
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* page format.
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*
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* @return A copy of the <code>Paper</code> object for this format.
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*/
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public Paper
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getPaper()
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{
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return((Paper)paper.clone());
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}
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/*************************************************************************/
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/**
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* Sets the <code>Paper</code> object to be used by this page format.
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*
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* @param paper The new <code>Paper</code> object for this page format.
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*/
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public void
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setPaper(Paper paper)
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{
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this.paper = paper;
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}
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/*************************************************************************/
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/**
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* This method returns the current page orientation. The value returned
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* will be one of the page orientation constants from this class.
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*
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* @return The current page orientation.
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*/
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public int
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getOrientation()
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{
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return(orientation);
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}
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/*************************************************************************/
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/**
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* This method sets the page orientation for this format to the
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* specified value. It must be one of the page orientation constants
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* from this class or an exception will be thrown.
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*
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* @param orientation The new page orientation.
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*
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* @exception IllegalArgumentException If the specified page orientation
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* value is not one of the constants from this class.
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*/
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public void
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setOrientation(int orientation) throws IllegalArgumentException
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{
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if ((orientation != PORTRAIT) &&
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(orientation != LANDSCAPE) &&
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(orientation != REVERSE_LANDSCAPE))
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throw new IllegalArgumentException("Bad page orientation value: " +
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orientation);
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this.orientation = orientation;
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}
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/*************************************************************************/
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/**
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* This method returns a matrix used for transforming user space
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* coordinates to page coordinates. The value returned will be six
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* doubles as described in <code>java.awt.geom.AffineTransform</code>.
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*
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* @return The transformation matrix for this page format.
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*/
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public double[]
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getMatrix()
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{
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throw new RuntimeException("Not implemented since I don't know what to do");
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}
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/*************************************************************************/
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/**
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* This method returns a copy of this object.
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*
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* @return A copy of this object.
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*/
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public Object
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clone()
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{
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try
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{
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return(super.clone());
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}
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catch(CloneNotSupportedException e)
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{
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return(null);
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}
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}
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} // class PageFormat
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