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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=gb2312"><title>FishGUI: FG_Win32DrawInterface.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- 制作者 Doxygen 1.3.6 --><div class="qindex"><a class="qindex" href="main.html">首页</a> | <a class="qindex" href="modules.html">模块</a> | <a class="qindex" href="hierarchy.html">类继承关系</a> | <a class="qindex" href="classes.html">按字典顺序排序的列表</a> | <a class="qindex" href="annotated.html">组合类型列表</a> | <a class="qindex" href="files.html">文件列表</a> | <a class="qindex" href="functions.html">组合类型成员</a> | <a class="qindex" href="globals.html">文件成员</a></div><h1>FG_Win32DrawInterface.cpp</h1><a href="FG__Win32DrawInterface_8cpp.html">浏览该文件的文档。</a><div class="fragment"><pre>00001 <span class="comment">/*--------------------------------------------------------------------------</span>00002 <span class="comment"></span>00003 <span class="comment"> FG_Win32DrawInterface.cpp - Win32的绘图接口类的实现文件</span>00004 <span class="comment"></span>00005 <span class="comment"> 本程序是FishGUI软件的一部分</span>00006 <span class="comment"></span>00007 <span class="comment"> 版权所有 (C) 2003,2004 王咏武</span>00008 <span class="comment"> http://www.contextfree.net/wangyw/</span>00009 <span class="comment"></span>00010 <span class="comment">----------------------------------------------------------------------------</span>00011 <span class="comment"></span>00012 <span class="comment"> 作者对 FishGUI 软件及其所有源代码授权如下：</span>00013 <span class="comment"></span>00014 <span class="comment"> 允许任何个人、组织、机构、企业无偿获得、修改、使用、重新发布 FishGUI 软</span>00015 <span class="comment"> 件及其源代码，或按照有偿或者无偿的方式发行基于 FishGUI 源代码的全部或部</span>00016 <span class="comment"> 分内容开发的软件产品，——但行使以上权利时，须遵守以下约定：</span>00017 <span class="comment"></span>00018 <span class="comment"> 1、重新发布 FishGUI 软件及其源代码时，不得隐去软件及其源代码中原有的版</span>00019 <span class="comment"> 权信息和开发者标识。</span>00020 <span class="comment"></span>00021 <span class="comment"> 2、发行基于 FishGUI 源代码的全部或部分内容开发的软件产品时，必须在产品</span>00022 <span class="comment"> 的显著位置标明以下字样：</span>00023 <span class="comment"></span>00024 <span class="comment"> 【本产品的一部分功能是基于王咏武在 FishGUI 软件中的工作完成的】</span>00025 <span class="comment"></span>00026 <span class="comment"> 3、在正式出版物中引用 FishGUI 的文档、源代码或注释内容的，应注明软件的</span>00027 <span class="comment"> 原作者为王咏武。</span>00028 <span class="comment"></span>00029 <span class="comment">--------------------------------------------------------------------------*/</span>00040 <span class="preprocessor">#include "stdio.h"</span>00041 <span class="preprocessor">#include "windows.h"</span>00042 <span class="preprocessor">#include "<a class="code" href="FG__Win32DrawInterface_8h.html">FG_Win32DrawInterface.h</a>"</span>00043 00044 <span class="preprocessor">#if defined(WIN32) && defined(_DEBUG)</span>00045 <span class="preprocessor"></span> <span class="comment">/* Trace memory allocation in windows debug version */</span>00046 <span class="preprocessor"> #include <crtdbg.h></span>00047 <span class="keyword">static</span> <span class="keywordtype">char</span> THIS_FILE[] = __FILE__;00048 <span class="preprocessor"> #define new new(_NORMAL_BLOCK, __FILE__, __LINE__)</span>00049 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* _DEBUG */</span>00050 00051 <span class="comment">//##ModelId=3F71AB2E0279</span><a name="l00052"></a><a class="code" href="classFG__Win32DrawInterface.html#a1">00052</a> <a class="code" href="classFG__Win32DrawInterface.html#a1">FG_Win32DrawInterface::~FG_Win32DrawInterface</a>()00053 {00054 <span class="comment">// 删除绘图资源</span>00055 DeleteDC(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>);00056 DeleteObject(<a class="code" href="classFG__Win32DrawInterface.html#p2">m_hBitmap</a>);00057 DeleteObject(<a class="code" href="classFG__Win32DrawInterface.html#p3">m_hFont</a>);00058 }00059 00060 <span class="comment">//##ModelId=3F4EDED00326</span><a name="l00061"></a><a class="code" href="classFG__Win32DrawInterface.html#a3">00061</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a3">FG_Win32DrawInterface::BeginDraw</a>(<span class="keyword">const</span> <a class="code" href="structFG__Rect.html">FG_Rect</a> & rect)00062 {00063 <span class="keywordflow">if</span> (! m_iDrawCount)00064 {00065 <span class="keywordflow">if</span> (! <a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)00066 {00067 <span class="comment">// 创建绘图缓冲区</span>00068 <a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a> = CreateCompatibleDC(<a class="code" href="classFG__Win32DrawInterface.html#p0">m_hDC</a>);00069 <a class="code" href="classFG__Win32DrawInterface.html#p2">m_hBitmap</a> = CreateCompatibleBitmap(<a class="code" href="classFG__Win32DrawInterface.html#p0">m_hDC</a>, <a class="code" href="group__Utility.html#ga3">SCREEN_WIDTH</a>, <a class="code" href="group__Utility.html#ga4">SCREEN_HEIGHT</a>);00070 SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, <a class="code" href="classFG__Win32DrawInterface.html#p2">m_hBitmap</a>);00071 00072 <a class="code" href="classFG__Win32DrawInterface.html#p3">m_hFont</a> = CreateFont(15, 0, 0, 0, FW_NORMAL, 0, 0, 0, DEFAULT_CHARSET, 00073 OUT_CHARACTER_PRECIS, CLIP_CHARACTER_PRECIS, 00074 DEFAULT_QUALITY, DEFAULT_PITCH, <span class="stringliteral">"宋体"</span>);00075 SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, <a class="code" href="classFG__Win32DrawInterface.html#p3">m_hFont</a>);00076 }00077 00078 <span class="comment">// 初始无效区</span>00079 m_Invalid = rect;00080 }00081 <span class="keywordflow">else</span>00082 {00083 <span class="comment">// 组合无效区</span>00084 m_Invalid |= rect;00085 }00086 m_iDrawCount ++;00087 }00088 00089 <span class="comment">//##ModelId=3F4EDED003A8</span><a name="l00090"></a><a class="code" href="classFG__Win32DrawInterface.html#a4">00090</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a4">FG_Win32DrawInterface::EndDraw</a>()00091 {00092 m_iDrawCount --;00093 <span class="keywordflow">if</span> (! m_iDrawCount)00094 {00095 <span class="comment">// 把缓冲区内容刷新到屏幕上</span>00096 BitBlt(<a class="code" href="classFG__Win32DrawInterface.html#p0">m_hDC</a>, m_Invalid.<a class="code" href="structFG__Rect.html#o0">wLeft</a>, m_Invalid.<a class="code" href="structFG__Rect.html#o1">wTop</a>, m_Invalid.<a class="code" href="structFG__Rect.html#a20">Width</a>(), m_Invalid.<a class="code" href="structFG__Rect.html#a21">Height</a>(), <a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, 00097 m_Invalid.<a class="code" href="structFG__Rect.html#o0">wLeft</a>, m_Invalid.<a class="code" href="structFG__Rect.html#o1">wTop</a>, SRCCOPY);00098 }00099 }00100 00101 <span class="comment">//##ModelId=3F4EDED003E4</span><a name="l00102"></a><a class="code" href="classFG__Win32DrawInterface.html#a5">00102</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a5">FG_Win32DrawInterface::FillRect</a>(<span class="keyword">const</span> <a class="code" href="structFG__Rect.html">FG_Rect</a> & rect, <span class="keyword">const</span> <a class="code" href="group__Color.html#ga0">COLORVAL</a> ForeColor, <span class="keyword">const</span> <a class="code" href="group__Color.html#ga0">COLORVAL</a> background)00103 {00104 <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)00105 {00106 <span class="comment">// 创建绘图所用资源</span>00107 HPEN hPen = CreatePen(PS_SOLID, 1, ForeColor);00108 HBRUSH hBrush = CreateSolidBrush(background);00109 00110 HPEN hPenOld = (HPEN)SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPen);00111 HBRUSH hBrushOld = (HBRUSH)SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hBrush);00112 00113 Rectangle(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, rect.<a class="code" href="structFG__Rect.html#o0">wLeft</a>, rect.<a class="code" href="structFG__Rect.html#o1">wTop</a>, rect.<a class="code" href="structFG__Rect.html#o2">wRight</a> + 1, rect.<a class="code" href="structFG__Rect.html#o3">wBottom</a> + 1);00114 00115 <span class="comment">// 删除绘图资源</span>00116 SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPenOld);00117 DeleteObject(hPen);00118 SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hBrushOld);00119 DeleteObject(hBrush);00120 }00121 }00122 00123 <span class="comment">//##ModelId=3F4EDED10133</span><a name="l00124"></a><a class="code" href="classFG__Win32DrawInterface.html#a6">00124</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a6">FG_Win32DrawInterface::Line</a>(<span class="keyword">const</span> <span class="keywordtype">short</span> x1, <span class="keyword">const</span> <span class="keywordtype">short</span> y1, <span class="keyword">const</span> <span class="keywordtype">short</span> x2, <span class="keyword">const</span> <span class="keywordtype">short</span> y2, <span class="keyword">const</span> <a class="code" href="group__Color.html#ga0">COLORVAL</a> color)00125 {00126 <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)00127 {00128 <span class="comment">// 创建绘图所用资源</span>⌨️ 快捷键说明
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