/*
* $Id: PdfRectangle.java 4793 2011-04-05 15:28:41Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2011 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.pdf;
import com.itextpdf.text.Rectangle;
/**
* <CODE>PdfRectangle</CODE> is the PDF Rectangle object.
* <P>
* Rectangles are used to describe locations on the page and bounding boxes for several
* objects in PDF, such as fonts. A rectangle is represented as an <CODE>array</CODE> of
* four numbers, specifying the lower left <I>x</I>, lower left <I>y</I>, upper right <I>x</I>,
* and upper right <I>y</I> coordinates of the rectangle, in that order.<BR>
* This object is described in the 'Portable Document Format Reference Manual version 1.3'
* section 7.1 (page 183).
*
* @see com.itextpdf.text.Rectangle
* @see PdfArray
*/
public class PdfRectangle extends NumberArray {
// membervariables
/** lower left x */
private float llx = 0;
/** lower left y */
private float lly = 0;
/** upper right x */
private float urx = 0;
/** upper right y */
private float ury = 0;
// constructors
/**
* Constructs a <CODE>PdfRectangle</CODE>-object.
*
* @param llx lower left x
* @param lly lower left y
* @param urx upper right x
* @param ury upper right y
*
* @since rugPdf0.10
*/
public PdfRectangle(float llx, float lly, float urx, float ury, int rotation) {
super();
if (rotation == 90 || rotation == 270) {
this.llx = lly;
this.lly = llx;
this.urx = ury;
this.ury = urx;
}
else {
this.llx = llx;
this.lly = lly;
this.urx = urx;
this.ury = ury;
}
super.add(new PdfNumber(this.llx));
super.add(new PdfNumber(this.lly));
super.add(new PdfNumber(this.urx));
super.add(new PdfNumber(this.ury));
}
public PdfRectangle(float llx, float lly, float urx, float ury) {
this(llx, lly, urx, ury, 0);
}
/**
* Constructs a <CODE>PdfRectangle</CODE>-object starting from the origin (0, 0).
*
* @param urx upper right x
* @param ury upper right y
*/
public PdfRectangle(float urx, float ury, int rotation) {
this(0, 0, urx, ury, rotation);
}
public PdfRectangle(float urx, float ury) {
this(0, 0, urx, ury, 0);
}
/**
* Constructs a <CODE>PdfRectangle</CODE>-object with a <CODE>Rectangle</CODE>-object.
*
* @param rectangle a <CODE>Rectangle</CODE>
*/
public PdfRectangle(Rectangle rectangle, int rotation) {
this(rectangle.getLeft(), rectangle.getBottom(), rectangle.getRight(), rectangle.getTop(), rotation);
}
public PdfRectangle(Rectangle rectangle) {
this(rectangle.getLeft(), rectangle.getBottom(), rectangle.getRight(), rectangle.getTop(), 0);
}
// methods
/**
* Returns the high level version of this PdfRectangle
* @return this PdfRectangle translated to class Rectangle
*/
public Rectangle getRectangle() {
return new Rectangle(left(), bottom(), right(), top());
}
/**
* Overrides the <CODE>add</CODE>-method in <CODE>PdfArray</CODE> in order to prevent the adding of extra object to the array.
*
* @param object <CODE>PdfObject</CODE> to add (will not be added here)
* @return <CODE>false</CODE>
*/
public boolean add(PdfObject object) {
return false;
}
/**
* Block changes to the underlying PdfArray
* @param values stuff we'll ignore. Ha!
* @return false. You can't add anything to a PdfRectangle
* @since 2.1.5
*/
public boolean add( float values[] ) {
return false;
}
/**
* Block changes to the underlying PdfArray
* @param values stuff we'll ignore. Ha!
* @return false. You can't add anything to a PdfRectangle
* @since 2.1.5
*/
public boolean add( int values[] ) {
return false;
}
/**
* Block changes to the underlying PdfArray
* @param object Ignored.
* @since 2.1.5
*/
public void addFirst( PdfObject object ) {
}
/**
* Returns the lower left x-coordinate.
*
* @return the lower left x-coordinate
*/
public float left() {
return llx;
}
/**
* Returns the upper right x-coordinate.
*
* @return the upper right x-coordinate
*/
public float right() {
return urx;
}
/**
* Returns the upper right y-coordinate.
*
* @return the upper right y-coordinate
*/
public float top() {
return ury;
}
/**
* Returns the lower left y-coordinate.
*
* @return the lower left y-coordinate
*/
public float bottom() {
return lly;
}
/**
* Returns the lower left x-coordinate, considering a given margin.
*
* @param margin a margin
* @return the lower left x-coordinate
*/
public float left(int margin) {
return llx + margin;
}
/**
* Returns the upper right x-coordinate, considering a given margin.
*
* @param margin a margin
* @return the upper right x-coordinate
*/
public float right(int margin) {
return urx - margin;
}
/**
* Returns the upper right y-coordinate, considering a given margin.
*
* @param margin a margin
* @return the upper right y-coordinate
*/
public float top(int margin) {
return ury - margin;
}
/**
* Returns the lower left y-coordinate, considering a given margin.
*
* @param margin a margin
* @return the lower left y-coordinate
*/
public float bottom(int margin) {
return lly + margin;
}
/**
* Returns the width of the rectangle.
*
* @return a width
*/
public float width() {
return urx - llx;
}
/**
* Returns the height of the rectangle.
*
* @return a height
*/
public float height() {
return ury - lly;
}
/**
* Swaps the values of urx and ury and of lly and llx in order to rotate the rectangle.
*
* @return a <CODE>PdfRectangle</CODE>
*/
public PdfRectangle rotate() {
return new PdfRectangle(lly, llx, ury, urx, 0);
}
}
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