290 lines
9.0 KiB
C#
290 lines
9.0 KiB
C#
using System;
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using iTextSharp.text;
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/*
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* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.pdf {
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/**
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* <CODE>PdfRectangle</CODE> is the PDF Rectangle object.
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* <P>
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* Rectangles are used to describe locations on the page and bounding boxes for several
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* objects in PDF, such as fonts. A rectangle is represented as an <CODE>array</CODE> of
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* four numbers, specifying the lower lef <I>x</I>, lower left <I>y</I>, upper right <I>x</I>,
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* and upper right <I>y</I> coordinates of the rectangle, in that order.<BR>
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* This object is described in the 'Portable Document Format Reference Manual version 1.3'
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* section 7.1 (page 183).
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*
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* @see iTextSharp.text.Rectangle
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* @see PdfArray
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*/
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public class PdfRectangle : PdfArray {
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// membervariables
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/** lower left x */
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private float llx = 0;
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/** lower left y */
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private float lly = 0;
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/** upper right x */
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private float urx = 0;
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/** upper right y */
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private float ury = 0;
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// constructors
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/**
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* Constructs a <CODE>PdfRectangle</CODE>-object.
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*
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* @param llx lower left x
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* @param lly lower left y
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* @param urx upper right x
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* @param ury upper right y
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*
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* @since rugPdf0.10
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*/
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public PdfRectangle(float llx, float lly, float urx, float ury, int rotation) : base() {
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if (rotation == 90 || rotation == 270) {
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this.llx = lly;
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this.lly = llx;
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this.urx = ury;
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this.ury = urx;
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}
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else {
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this.llx = llx;
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this.lly = lly;
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this.urx = urx;
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this.ury = ury;
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}
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base.Add(new PdfNumber(this.llx));
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base.Add(new PdfNumber(this.lly));
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base.Add(new PdfNumber(this.urx));
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base.Add(new PdfNumber(this.ury));
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}
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public PdfRectangle(float llx, float lly, float urx, float ury) : this(llx, lly, urx, ury, 0) {}
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/**
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* Constructs a <CODE>PdfRectangle</CODE>-object starting from the origin (0, 0).
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*
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* @param urx upper right x
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* @param ury upper right y
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*/
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public PdfRectangle(float urx, float ury, int rotation) : this(0, 0, urx, ury, rotation) {}
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public PdfRectangle(float urx, float ury) : this(0, 0, urx, ury, 0) {}
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/**
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* Constructs a <CODE>PdfRectangle</CODE>-object with a <CODE>Rectangle</CODE>-object.
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*
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* @param rectangle a <CODE>Rectangle</CODE>
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*/
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public PdfRectangle(Rectangle rectangle, int rotation) : this(rectangle.Left, rectangle.Bottom, rectangle.Right, rectangle.Top, rotation) {}
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public PdfRectangle(Rectangle rectangle) : this(rectangle.Left, rectangle.Bottom, rectangle.Right, rectangle.Top, 0) {}
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// methods
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/**
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* Returns the high level version of this PdfRectangle
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* @return this PdfRectangle translated to class Rectangle
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*/
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public Rectangle Rectangle {
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get {
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return new Rectangle(Left, Bottom, Right, Top);
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}
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}
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/**
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* Overrides the <CODE>add</CODE>-method in <CODE>PdfArray</CODE> in order to prevent the adding of extra object to the array.
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*
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* @param object <CODE>PdfObject</CODE> to add (will not be added here)
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* @return <CODE>false</CODE>
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*/
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public override bool Add(PdfObject obj) {
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return false;
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}
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/**
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* Returns the lower left x-coordinate.
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*
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* @return the lower left x-coordinaat
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*/
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public float Left {
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get {
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return llx;
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}
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}
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/**
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* Returns the upper right x-coordinate.
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*
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* @return the upper right x-coordinate
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*/
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public float Right {
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get {
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return urx;
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}
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}
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/**
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* Returns the upper right y-coordinate.
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*
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* @return the upper right y-coordinate
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*/
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public float Top {
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get {
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return ury;
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}
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}
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/**
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* Returns the lower left y-coordinate.
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*
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* @return the lower left y-coordinate
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*/
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public float Bottom {
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get {
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return lly;
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}
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}
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/**
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* Returns the lower left x-coordinate, considering a given margin.
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*
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* @param margin a margin
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* @return the lower left x-coordinate
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*/
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public float GetLeft(int margin) {
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return llx + margin;
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}
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/**
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* Returns the upper right x-coordinate, considering a given margin.
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*
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* @param margin a margin
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* @return the upper right x-coordinate
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*/
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public float GetRight(int margin) {
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return urx - margin;
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}
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/**
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* Returns the upper right y-coordinate, considering a given margin.
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*
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* @param margin a margin
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* @return the upper right y-coordinate
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*/
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public float GetTop(int margin) {
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return ury - margin;
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}
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/**
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* Returns the lower left y-coordinate, considering a given margin.
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*
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* @param margin a margin
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* @return the lower left y-coordinate
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*/
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public float GetBottom(int margin) {
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return lly + margin;
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}
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/**
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* Returns the width of the rectangle.
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*
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* @return a width
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*/
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public float Width {
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get {
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return urx - llx;
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}
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}
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/**
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* Returns the height of the rectangle.
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*
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* @return a height
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*/
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public float Height {
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get {
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return ury - lly;
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}
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}
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/**
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* Swaps the values of urx and ury and of lly and llx in order to rotate the rectangle.
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*
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* @return a <CODE>PdfRectangle</CODE>
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*/
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public PdfRectangle Rotate {
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get {
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return new PdfRectangle(lly, llx, ury, urx, 0);
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}
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}
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}
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} |