<html> <head> <link rel="stylesheet" href="page.css" type="text/css"> <title>fox-toolkit.org - Documentation</title> </head> <body bgcolor=#ffffff link=#990033 vlink=#990033 alink=#990033 text=#000000> <font face='verdana,sans-serif' size=2 > <!---- TOPIC TITLE WITH LOGO---> <table border=0 cellpadding= cellspacing=2 width=100% ><tr><td><a href='http://www.fox-toolkit.org/doc.html'><img src='../art/foxlogo_small.jpg' border=0></a></td><td width=100% valign=bottom><font face='verdana,sans-serif' size=2 ><b> <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <br><img src='../art/line.gif' width=100% height=1></b></font></td></tr></table> <p> <!--- TOPIC TITLE WITH LOGO ---> <!-- Generated by Doxygen 1.3.3 --> <h1>FXRegion.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span> 00002 <span class="comment">* *</span> 00003 <span class="comment">* C l i p p i n g R e g i o n *</span> 00004 <span class="comment">* *</span> 00005 <span class="comment">*********************************************************************************</span> 00006 <span class="comment">* Copyright (C) 2000,2004 by Jeroen van der Zijp. All Rights Reserved. *</span> 00007 <span class="comment">*********************************************************************************</span> 00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span> 00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span> 00010 <span class="comment">* License as published by the Free Software Foundation; either *</span> 00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span> 00012 <span class="comment">* *</span> 00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span> 00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span> 00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span> 00016 <span class="comment">* Lesser General Public License for more details. *</span> 00017 <span class="comment">* *</span> 00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span> 00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span> 00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span> 00021 <span class="comment">*********************************************************************************</span> 00022 <span class="comment">* $Id: FXRegion.h,v 1.11 2004/02/08 17:17:34 fox Exp $ *</span> 00023 <span class="comment">********************************************************************************/</span> 00024 <span class="preprocessor">#ifndef FXREGION_H</span> 00025 <span class="preprocessor"></span><span class="preprocessor">#define FXREGION_H</span> 00026 <span class="preprocessor"></span> 00027 <span class="keyword">namespace </span>FX { 00028 <span class="comment"></span> 00029 <span class="comment">/// Region</span> <a name="l00030"></a><a class="code" href="classFX_1_1FXRegion.html">00030</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXRegion { 00031 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classFX_1_1FXDC.html">FXDC</a>; 00032 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classFX_1_1FXDCWindow.html">FXDCWindow</a>; 00033 <span class="keyword">private</span>: 00034 <span class="keywordtype">void</span> *region; 00035 <span class="keyword">public</span>: 00036 <span class="comment"></span> 00037 <span class="comment"> /// Construct new empty region</span> 00038 <span class="comment"></span> FXRegion(); 00039 <span class="comment"></span> 00040 <span class="comment"> /// Construct new region copied from region r</span> 00041 <span class="comment"></span> FXRegion(<span class="keyword">const</span> FXRegion& r); 00042 <span class="comment"></span> 00043 <span class="comment"> /// Construct rectangle region</span> 00044 <span class="comment"></span> FXRegion(FXint x,FXint y,FXint w,FXint h); 00045 <span class="comment"></span> 00046 <span class="comment"> /// Construct polygon region</span> 00047 <span class="comment"></span> FXRegion(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXPoint.html">FXPoint</a>* points,FXuint npoints,FXbool winding=FALSE); 00048 <span class="comment"></span> 00049 <span class="comment"> /// Assign region r to this one</span> 00050 <span class="comment"></span> FXRegion &operator=(<span class="keyword">const</span> FXRegion& r); 00051 <span class="comment"></span> 00052 <span class="comment"> /// Return TRUE if region is empty</span> 00053 <span class="comment"></span> FXbool empty() <span class="keyword">const</span>; 00054 <span class="comment"></span> 00055 <span class="comment"> /// Return TRUE if region contains point</span> 00056 <span class="comment"></span> FXbool contains(FXint x,FXint y) <span class="keyword">const</span>; 00057 <span class="comment"></span> 00058 <span class="comment"> /// Return TRUE if region contains rectangle</span> 00059 <span class="comment"></span> FXbool contains(FXint x,FXint y,FXint w,FXint h) <span class="keyword">const</span>; 00060 <span class="comment"></span> 00061 <span class="comment"> /// Return bounding box</span> 00062 <span class="comment"></span> <span class="keywordtype">void</span> bounds(<a class="code" href="classFX_1_1FXRectangle.html">FXRectangle</a>& r) <span class="keyword">const</span>; 00063 <span class="comment"></span> 00064 <span class="comment"> /// Offset region by dx,dy</span> 00065 <span class="comment"></span> FXRegion& offset(FXint dx,FXint dy); 00066 <span class="comment"></span> 00067 <span class="comment"> /// Union region r with this one</span> 00068 <span class="comment"></span> FXRegion& operator+=(<span class="keyword">const</span> FXRegion& r); 00069 <span class="comment"></span> 00070 <span class="comment"> /// Intersect region r with this one</span> 00071 <span class="comment"></span> FXRegion& operator*=(<span class="keyword">const</span> FXRegion& r); 00072 <span class="comment"></span> 00073 <span class="comment"> /// Substract region r from this one</span> 00074 <span class="comment"></span> FXRegion& operator-=(<span class="keyword">const</span> FXRegion& r); 00075 <span class="comment"></span> 00076 <span class="comment"> /// Xor region r with this one</span> 00077 <span class="comment"></span> FXRegion& operator^=(<span class="keyword">const</span> FXRegion& r); 00078 <span class="comment"></span> 00079 <span class="comment"> /// Union of region r1 and region r2</span> 00080 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXRegion operator+(<span class="keyword">const</span> FXRegion& r1,<span class="keyword">const</span> FXRegion& r2); 00081 <span class="comment"></span> 00082 <span class="comment"> /// Intersection of region r1 and region r2</span> 00083 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXRegion operator*(<span class="keyword">const</span> FXRegion& r1,<span class="keyword">const</span> FXRegion& r2); 00084 <span class="comment"></span> 00085 <span class="comment"> /// Substract region r2 from region r1</span> 00086 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXRegion operator-(<span class="keyword">const</span> FXRegion& r1,<span class="keyword">const</span> FXRegion& r2); 00087 <span class="comment"></span> 00088 <span class="comment"> /// Xor of region r1 and region r2</span> 00089 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXRegion operator^(<span class="keyword">const</span> FXRegion& r1,<span class="keyword">const</span> FXRegion& r2); 00090 <span class="comment"></span> 00091 <span class="comment"> /// Return TRUE if region equal to this one</span> 00092 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXbool operator==(<span class="keyword">const</span> FXRegion& r1,<span class="keyword">const</span> FXRegion& r2); 00093 <span class="comment"></span> 00094 <span class="comment"> /// Return TRUE if region not equal to this one</span> 00095 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXbool operator!=(<span class="keyword">const</span> FXRegion& r1,<span class="keyword">const</span> FXRegion& r2); 00096 <span class="comment"></span> 00097 <span class="comment"> /// Destroy region</span> 00098 <span class="comment"></span> ~FXRegion(); 00099 }; 00100 00101 } 00102 00103 <span class="preprocessor">#endif</span> </pre></div></font> <!--- COPYRIGHT --> <p> <table width=100% cellpadding=0 cellspacing=0><tr><td width=100% valign=top id=HEADLINE align=right> <img src='../art/line.gif' width=100% height=1><font size=-1> Copyright © 1997-2004 Jeroen van der Zijp</font> </td></tr></table> </p> <!--- COPYRIGHT --> </body> </html>