book_text20.htm

深入编程内幕vc++ 非常适合处学者学习

            </O:P></SPAN></P>
            <H2 style="mso-line-height-alt: 1.3pt"><A name=_hot><SPAN 
            style="FONT-SIZE: 18pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-bookmark: _Toc419740487; mso-hansi-font-family: MS Sans Serif">热点</SPAN><SPAN 
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            style="FONT-SIZE: 18pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'"></O:P></SPAN></H2>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 20pt; mso-line-height-alt: 1.3pt; mso-pagination: none; mso-layout-grid-align: none; punctuation-wrap: simple"><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">所谓热点，是指在指定窗口上设定一些区域，当用户在此区域上有所动作时，会发生一些事情，这些区域就是热点，热点的作用类似于在窗口上开了若干按钮窗口，当然它的功能要比<SPAN 
            lang=EN-US>button强大得多，最重要的是热点可以是不规则的，而button必须是矩形。<O:P> 
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            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; mso-pagination: none; mso-outline-level: 1; mso-layout-grid-align: none; punctuation-wrap: simple"><B 
            style="mso-bidi-font-weight: normal"><SPAN 
            style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">热点的原理</SPAN></B><B 
            style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
            style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'"><O:P> 
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            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 20pt; mso-line-height-alt: 1.3pt; mso-pagination: none; mso-layout-grid-align: none; punctuation-wrap: simple"><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">热点涉及到极复杂的坐标系统，比如一个四边形，需要四个坐标确定它的形状，六边形就需要六个坐标确定形状，若是再复杂一些，比如需在世界地图上区分中国和其它国家，那就不是几个几十个坐标就能解决问题了。假如一个中大型的多媒体程序，涉及到比较多的热点，就算一个热点由四个坐标设定，二十个热点就需要</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">80</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">个坐标。若是这些热点都由手工设定，那么以后的麻烦事就层出不穷。因为二个图像吻合得不好，就算有一个点的误差，人的肉眼也是看得出来的。有没有比较简单的办法可以减少程序员处理坐标的工作量，甚至可以不理会热点坐标？还好</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">Windows</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">提供了处理区域的函数，这就是</SPAN><SPAN 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">RGN</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">。</SPAN><SPAN 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'"><O:P> 
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            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 20pt; mso-line-height-alt: 1.3pt; mso-pagination: none; mso-layout-grid-align: none; punctuation-wrap: simple"><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">RGN</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">的处理过程如下：程序员向系统提供一串坐标值，系统返回一个</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">HRGN</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">句柄；以后程序员就可以使用这个句柄管理应用程序。比如说，程序员可以在指定区域范围内画图，而不影响到区域外面的部位。</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'"><O:P> 
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            <H3 
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            style="LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: MS Sans Serif; mso-bidi-font-weight: normal">热<B 
            style="LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: MS Sans Serif; mso-bidi-font-weight: normal">点制作工具</B></SPAN><B 
            style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
            style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'"><O:P> 
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            <P class=MsoNormal 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">我们首先介绍一下热点制作工具，</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">Hospot4.exe</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">这个程序的作用是由用户自定义热点，再将热点写入指定文件。</SPAN><SPAN 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'"><O:P> 
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            <P class=MsoNormal 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">打开</SPAN><SPAN 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">Hospot4.exe</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">文件，读入文件“</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">1.bmp</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">”，然后在菜单上选择“定义”就可以开始定义热点了。读入的</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">bmp</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">文件一般是程序中要用到的背景文件，在上面按键应该已经画好，所以一般只要照着画好的按键轮廓描，当描完后点取左键鼠标，在文件菜单上选择存盘，输入定义的热点名既可。然后又可以定义下一个热点。照此顺序做完所有热点退出，查看上多了一个文件</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">*.dat</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">，这个</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">dat</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">文件就是热点配置文件。</SPAN><SPAN 
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            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'"><O:P> 
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            lang=EN-US 
            style="FONT-SIZE: 10.5pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">&nbsp;<O:P> 
            </O:P></SPAN></P>
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            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; mso-pagination: none; mso-outline-level: 1; mso-layout-grid-align: none; punctuation-wrap: simple"><B 
            style="mso-bidi-font-weight: normal"><SPAN 
            style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">热点类</SPAN></B><B 
            style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
            style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">Class 
            Hot<O:P> </O:P></SPAN></B></P>
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            style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
            style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'">&nbsp;<O:P> 
            </O:P></SPAN></B></P>
            <P class=MsoNormal 
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            lang=EN-US 
            style="FONT-SIZE: 10.5pt; BACKGROUND: #d9d9d9; LAYOUT-GRID-MODE: line; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-shading: white; mso-pattern: gray-15 auto">#ifndef 
            HOT_H<O:P> </O:P></SPAN></P>
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            lang=EN-US 
            style="FONT-SIZE: 10.5pt; BACKGROUND: #d9d9d9; LAYOUT-GRID-MODE: line; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-shading: white; mso-pattern: gray-15 auto">#define<SPAN 
            style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp; </SPAN>HOT_H<O:P> 
            </O:P></SPAN></P>
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            lang=EN-US 
            style="FONT-SIZE: 10.5pt; BACKGROUND: #d9d9d9; LAYOUT-GRID-MODE: line; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-shading: white; mso-pattern: gray-15 auto">&nbsp;<O:P> 
            </O:P></SPAN></P>
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