?? rectangle.java
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/* * $Id: Rectangle.java,v 1.41 2002/07/09 10:41:40 blowagie Exp $ * $Name: $ * * 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.awt.Color;import java.util.ArrayList;import java.util.Properties;import java.util.Set;/** * A <CODE>Rectangle</CODE> is the representation of a geometric figure. * * @see Element * @see Table * @see Cell * @see HeaderFooter */public class Rectangle implements Element, MarkupAttributes { // static membervariables (concerning the presence of borders) /** This is the value that will be used as <VAR>undefined</VAR>. */ public static final int UNDEFINED = -1; /** This represents one side of the border of the <CODE>Rectangle</CODE>. */ public static final int TOP = 1; /** This represents one side of the border of the <CODE>Rectangle</CODE>. */ public static final int BOTTOM = 2; /** This represents one side of the border of the <CODE>Rectangle</CODE>. */ public static final int LEFT = 4; /** This represents one side of the border of the <CODE>Rectangle</CODE>. */ public static final int RIGHT = 8; /** This represents a rectangle without borders. */ public static final int NO_BORDER = 0; /** This represents a type of border. */ public static final int BOX = TOP + BOTTOM + LEFT + RIGHT; // membervariables /** the lower left x-coordinate. */ protected float llx; /** the lower left y-coordinate. */ protected float lly; /** the upper right x-coordinate. */ protected float urx; /** the upper right y-coordinate. */ protected float ury; /** This represents the status of the 4 sides of the rectangle. */ protected int border = UNDEFINED; /** This is the width of the border around this rectangle. */ protected float borderWidth = UNDEFINED; /** This is the color of the border of this rectangle. */ protected Color color = null; /** This is the color of the background of this rectangle. */ protected Color background = null; /** This is the grayscale value of the background of this rectangle. */ protected float grayFill = 0; protected int rotation = 0;/** Contains extra markupAttributes */ protected Properties markupAttributes; // constructors /** * Constructs a <CODE>Rectangle</CODE>-object. * * @param llx lower left x * @param lly lower left y * @param urx upper right x * @param ury upper right y */ public Rectangle(float llx, float lly, float urx, float ury) { this.llx = llx; this.lly = lly; this.urx = urx; this.ury = ury; } /** * Constructs a <CODE>Rectangle</CODE>-object starting from the origin (0, 0). * * @param urx upper right x * @param ury upper right y */ public Rectangle(float urx, float ury) { this(0, 0, urx, ury); } /** * Constructs a <CODE>Rectangle</CODE>-object. * * @param rect another <CODE>Rectangle</CODE> */ public Rectangle(Rectangle rect) { this(rect.left(), rect.bottom(), rect.right(), rect.top()); this.llx = rect.llx; this.lly = rect.lly; this.urx = rect.urx; this.ury = rect.ury; this.rotation = rect.rotation; this.border = rect.border; this.borderWidth = rect.borderWidth; this.color = rect.color; this.background = rect.background; this.grayFill = rect.grayFill; } // implementation of the Element interface /** * Processes the element by adding it (or the different parts) to an * <CODE>ElementListener</CODE>. * * @param listener an <CODE>ElementListener</CODE> * @return <CODE>true</CODE> if the element was processed successfully */ public boolean process(ElementListener listener) { try { return listener.add(this); } catch(DocumentException de) { return false; } } /** * Gets the type of the text element. * * @return a type */ public int type() { return Element.RECTANGLE; } /** * Gets all the chunks in this element. * * @return an <CODE>ArrayList</CODE> */ public ArrayList getChunks() { return new ArrayList(); } // methods /** * Gets a Rectangle that is altered to fit on the page. * * @param top the top position * @param bottom the bottom position * @return a <CODE>Rectangle</CODE> */ public Rectangle rectangle(float top, float bottom) { Rectangle tmp = new Rectangle(this); tmp.setBorder(border); tmp.setBorderWidth(borderWidth); tmp.setBorderColor(color); tmp.setBackgroundColor(background); tmp.setGrayFill(grayFill); if (top() > top) { tmp.setTop(top); tmp.setBorder(border - (border & TOP)); } if (bottom() < bottom) { tmp.setBottom(bottom); tmp.setBorder(border - (border & BOTTOM)); } return tmp; } /** * Swaps the values of urx and ury and of lly and llx in order to rotate the rectangle. * * @return a <CODE>Rectangle</CODE> */ public Rectangle rotate() { Rectangle rect = new Rectangle(lly, llx, ury, urx); rect.rotation = rotation + 90; rect.rotation %= 360; return rect; } // methods to set the membervariables /** * Sets the lower left x-coordinate. * * @param value the new value */ public void setLeft(float value) { llx = value; } /** * Sets the upper right x-coordinate. * * @param value the new value */ public void setRight(float value) { urx = value; } /** * Sets the upper right y-coordinate. * * @param value the new value */ public void setTop(float value) { ury = value; } /** * Sets the lower left y-coordinate. * * @param value the new value */ public void setBottom(float value) { lly = value; } /** * Sets the border. * * @param value the new value */ public void setBorder(int value) { border = value; } /** * Sets the borderwidth of the table. * * @param value the new value */ public void setBorderWidth(float value) { borderWidth = value; } /** * Sets the color of the border. * * @param value the new value */ public void setBorderColor(Color value) { color = value; } /** * Sets the backgroundcolor of the rectangle. * * @param value the new value */ public void setBackgroundColor(Color value) { background = value; } /** * Sets the grayscale of the rectangle. * * @param value the new value */ public void setGrayFill(float value) { if (value >= 0 && value <= 1.0) { grayFill = value; } } // methods to get the membervariables /** * 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(float 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(float 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(float 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(float 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; } /** * Indicates if the table has borders. * * @return a boolean */ public boolean hasBorders() { return border > 0 && borderWidth > 0; } /** * Indicates if the table has a some type of border. * * @param type the type of border * @return a boolean */ public boolean hasBorder(int type) { return border != UNDEFINED && (border & type) == type; } /** * Returns the exact type of the border. * * @return a value */ public int border() { return border; } /** * Gets the borderwidth. * * @return a value */ public float borderWidth() { return borderWidth; } /** * Gets the color of the border. * * @return a value */ public Color borderColor() { return color; } /** * Gets the backgroundcolor. * * @return a value */ public Color backgroundColor() { return background; } /** * Gets the grayscale. * * @return a value */ public float grayFill() { return grayFill; } public int getRotation() { return rotation; } /** * @see com.lowagie.text.MarkupAttributes#setMarkupAttribute(java.lang.String, java.lang.String) */ public void setMarkupAttribute(String name, String value) { markupAttributes = (markupAttributes == null) ? new Properties() : markupAttributes; markupAttributes.put(name, value); } /** * @see com.lowagie.text.MarkupAttributes#setMarkupAttributes(java.util.Properties) */ public void setMarkupAttributes(Properties markupAttributes) { this.markupAttributes = markupAttributes; } /** */ public String getMarkupAttribute(String name) { return (markupAttributes == null) ? null : String.valueOf(markupAttributes.get(name)); } /** * @see com.lowagie.text.MarkupAttributes#getMarkupAttributeNames() */ public Set getMarkupAttributeNames() { return Chunk.getKeySet(markupAttributes); } /** * @see com.lowagie.text.MarkupAttributes#getMarkupAttributes() */ public Properties getMarkupAttributes() { return markupAttributes; }}
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