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/*
* $Id: PdfRectangle.java 3373 2008-05-12 16:21:24Z xlv $
*
* Copyright 1999, 2000, 2001, 2002 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.pdf;
import com.lowagie.text.Rectangle;
/**
* PdfRectangle is the PDF Rectangle object.
*
* 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 array of
* four numbers, specifying the lower left x, lower left y, upper right x,
* and upper right y coordinates of the rectangle, in that order.
* This object is described in the 'Portable Document Format Reference Manual version 1.3'
* section 7.1 (page 183).
*
* @see com.lowagie.text.Rectangle
* @see PdfArray
*/
public class PdfRectangle extends PdfArray {
// 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 PdfRectangle-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 PdfRectangle-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 PdfRectangle-object with a Rectangle-object.
*
* @param rectangle a Rectangle
*/
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 add-method in PdfArray in order to prevent the adding of extra object to the array.
*
* @param object PdfObject to add (will not be added here)
* @return false
*/
public boolean add(PdfObject object) {
return false;
}
/**
* 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 PdfRectangle
*/
public PdfRectangle rotate() {
return new PdfRectangle(lly, llx, ury, urx, 0);
}
}