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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>wg_rect.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><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">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> </center><hr><h1>wg_rect.cpp</h1><div class="fragment"><pre>00001 <span class="comment">// wg_rect.cpp</span>00002 <span class="comment">//</span>00003 <span class="comment">// CRect class implementation</span>00004 <span class="comment">//</span>00005 <span class="comment">//</span>00006 <span class="comment">// Copyright (c) 2002 Rob Wiskow</span>00007 <span class="comment">// rob-dev@boxedchaos.com</span>00008 <span class="comment">//</span>00009 <span class="comment">// This library is free software; you can redistribute it and/or</span>00010 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>00011 <span class="comment">// License as published by the Free Software Foundation; either</span>00012 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>00013 <span class="comment">//</span>00014 <span class="comment">// This library is distributed in the hope that it will be useful,</span>00015 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>00016 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>00017 <span class="comment">// Lesser General Public License for more details.</span>00018 <span class="comment">//</span>00019 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>00020 <span class="comment">// License along with this library; if not, write to the Free Software</span>00021 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>00022 <span class="comment">//</span>00023 00024 00025 <span class="preprocessor">#include "wgui_include_config.h"</span>00026 <span class="preprocessor">#include "wg_rect.h"</span>00027 <span class="preprocessor">#include "wg_error.h"</span>00028 <span class="preprocessor">#include <algorithm></span>00029 <span class="preprocessor">#ifdef WIN32</span>00030 <span class="preprocessor"></span><span class="preprocessor">#include <limits></span>00031 <span class="preprocessor">#endif // WIN32</span>00032 <span class="preprocessor"></span>00033 00034 <span class="keyword">namespace </span>wGui00035 {00036 00037 <a name="l00038"></a><a class="code" href="classwGui_1_1CRect.html#a22">00038</a> SDL_Rect CRect::SDLRect(<span class="keywordtype">void</span>)<span class="keyword"> const</span>00039 <span class="keyword"></span>{00040 <span class="preprocessor">#ifdef WIN32</span>00041 <span class="preprocessor"></span><span class="preprocessor">#ifndef MSVC6 // There are problems with VC6 and these std lib template classes</span>00042 <span class="preprocessor"></span> <span class="keywordflow">if</span> (m_Left < std::numeric_limits<short int>::min() ||<a class="code" href="classwGui_1_1CRect.html#n0">m_Left</a> > std::numeric_limits<short int>::max()00043 || m_Top < std::numeric_limits<short int>::min() ||<a class="code" href="classwGui_1_1CRect.html#n2">m_Top</a> > std::numeric_limits<short int>::max()00044 || m_Right < std::numeric_limits<short int>::min() ||<a class="code" href="classwGui_1_1CRect.html#n1">m_Right</a> > std::numeric_limits<short int>::max()00045 || m_Bottom < std::numeric_limits<short int>::min() ||<a class="code" href="classwGui_1_1CRect.html#n3">m_Bottom</a> > std::numeric_limits<short int>::max())00046 {00047 <span class="keywordflow">throw</span>(<a class="code" href="classwGui_1_1Wg__Ex__Range.html">Wg_Ex_Range</a>(<span class="stringliteral">"CRect::SDLRect : Out of range - converting int to short int!"</span>));00048 }00049 <span class="preprocessor">#endif // MSVC6</span>00050 <span class="preprocessor"></span><span class="preprocessor">#endif // WIN32</span>00051 <span class="preprocessor"></span> SDL_Rect sdlRect;00052 <span class="comment">//Normalize the rect...</span>00053 sdlRect.x = static_cast<short int>(std::min(<a class="code" href="classwGui_1_1CRect.html#n0">m_Left</a>, <a class="code" href="classwGui_1_1CRect.html#n1">m_Right</a>));00054 sdlRect.y = static_cast<short int>(std::min(<a class="code" href="classwGui_1_1CRect.html#n2">m_Top</a>, <a class="code" href="classwGui_1_1CRect.html#n3">m_Bottom</a>));00055 sdlRect.w = static_cast<short int>(<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>());00056 sdlRect.h = static_cast<short int>(<a class="code" href="classwGui_1_1CRect.html#a24">Height</a>());00057 00058 <span class="keywordflow">return</span> sdlRect;00059 }00060 00061 00062 <span class="comment">// assignment operator</span><a name="l00063"></a><a class="code" href="classwGui_1_1CRect.html#a25">00063</a> <a class="code" href="classwGui_1_1CRect.html">CRect</a>& CRect::operator=(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CRect.html">CRect</a>& r)00064 {00065 <a class="code" href="classwGui_1_1CRect.html#n2">m_Top</a> = r.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>();00066 <a class="code" href="classwGui_1_1CRect.html#n0">m_Left</a> = r.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>();00067 <a class="code" href="classwGui_1_1CRect.html#n1">m_Right</a> = r.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>();00068 <a class="code" href="classwGui_1_1CRect.html#n3">m_Bottom</a> = r.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>();00069 00070 <span class="keywordflow">return</span> *<span class="keyword">this</span>;00071 }00072 00073 <a name="l00074"></a><a class="code" href="classwGui_1_1CRect.html#a26">00074</a> <a class="code" href="classwGui_1_1CRect.html">CRect</a> CRect::operator+(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>& p)<span class="keyword"> const</span>00075 <span class="keyword"></span>{00076 <a class="code" href="classwGui_1_1CRect.html">CRect</a> result(<a class="code" href="classwGui_1_1CRect.html#n0">m_Left</a> + p.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>(), <a class="code" href="classwGui_1_1CRect.html#n2">m_Top</a> + p.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>(), <a class="code" href="classwGui_1_1CRect.html#n1">m_Right</a> + p.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>(), <a class="code" href="classwGui_1_1CRect.html#n3">m_Bottom</a> + p.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>());00077 00078 <span class="keywordflow">return</span> result;00079 }00080 00081 <a name="l00082"></a><a class="code" href="classwGui_1_1CRect.html#a27">00082</a> <a class="code" href="classwGui_1_1CRect.html">CRect</a> CRect::operator-(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>& p)<span class="keyword"> const</span>00083 <span class="keyword"></span>{00084 <a class="code" href="classwGui_1_1CRect.html">CRect</a> result(<a class="code" href="classwGui_1_1CRect.html#n0">m_Left</a> - p.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>(), <a class="code" href="classwGui_1_1CRect.html#n2">m_Top</a> - p.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>(), <a class="code" href="classwGui_1_1CRect.html#n1">m_Right</a> - p.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>(), <a class="code" href="classwGui_1_1CRect.html#n3">m_Bottom</a> - p.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>());00085 00086 <span class="keywordflow">return</span> result;00087 }00088 00089 <a name="l00090"></a><a class="code" href="classwGui_1_1CRect.html#a28">00090</a> <a class="code" href="classwGui_1_1CRect.html">CRect</a>& CRect::Grow(<span class="keywordtype">int</span> iGrowAmount)00091 {⌨️ 快捷键说明
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