fg__win32drawinterface_8cpp-source.html

《道法自然》书的源码FishGUI,一个跨平台的界面库

00129         HPEN hPen = CreatePen(PS_SOLID, 1, color);
00130 
00131         HPEN hPenOld = (HPEN)SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPen);
00132 
00133         MoveToEx(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, x1, y1, <a class="code" href="group__Utility.html#ga11">NULL</a>);
00134         LineTo(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, x2, y2);
00135         <span class="comment">// Win32的画线函数不画最后一点，和FishGUI的定义不同</span>
00136                 <span class="comment">// 这里需要加画最后一点</span>
00137         SetPixel(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, x2, y2, color);
00138 
00139         <span class="comment">// 删除绘图资源</span>
00140         SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPenOld);
00141         DeleteObject(hPen);
00142     }
00143 }
00144 
00145 <span class="comment">//##ModelId=3F4EDED1031E</span>
<a name="l00146"></a><a class="code" href="classFG__Win32DrawInterface.html#a7">00146</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a7">FG_Win32DrawInterface::DrawText</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * Text, <span class="keyword">const</span> <span class="keywordtype">short</span> x, <span class="keyword">const</span> <span class="keywordtype">short</span> y, <span class="keyword">const</span> <a class="code" href="group__Color.html#ga0">COLORVAL</a> color)
00147 {
00148     <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)
00149     {
00150         SetTextColor(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, color);
00151         SetBkMode(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, TRANSPARENT);
00152         TextOut(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, x, y, Text, strlen(Text));
00153     }
00154 }
00155 
00156 <span class="comment">//##ModelId=3F4EDED200DA</span>
<a name="l00157"></a><a class="code" href="classFG__Win32DrawInterface.html#a8">00157</a> <a class="code" href="group__Utility.html#ga1">WORD</a> <a class="code" href="classFG__Win32DrawInterface.html#a8">FG_Win32DrawInterface::GetTextWidth</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * Text)
00158 {
00159     <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)
00160     {
00161         SIZE size;
00162         GetTextExtentPoint(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, Text, strlen(Text), &amp; size);
00163         <span class="keywordflow">return</span> (<a class="code" href="group__Utility.html#ga1">WORD</a>)size.cx;
00164     }
00165     <span class="keywordflow">else</span>
00166         <span class="keywordflow">return</span> 0;
00167 }
00168 
00169 <span class="comment">//##ModelId=3F4EDED20184</span>
<a name="l00170"></a><a class="code" href="classFG__Win32DrawInterface.html#a9">00170</a> <a class="code" href="group__Utility.html#ga1">WORD</a> <a class="code" href="classFG__Win32DrawInterface.html#a9">FG_Win32DrawInterface::GetTextHeight</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * Text)
00171 {
00172     <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)
00173     {
00174         SIZE size;
00175         GetTextExtentPoint(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, Text, strlen(Text), &amp; size);
00176         <span class="keywordflow">return</span> (<a class="code" href="group__Utility.html#ga1">WORD</a>)size.cy;
00177     }
00178     <span class="keywordflow">else</span>
00179         <span class="keywordflow">return</span> 0;
00180 }
00181 
00182 <span class="comment">//##ModelId=3F4EDED20239</span>
<a name="l00183"></a><a class="code" href="classFG__Win32DrawInterface.html#a10">00183</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a10">FG_Win32DrawInterface::DrawBitmap</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * pBmpName, <span class="keyword">const</span> <span class="keywordtype">short</span> x1, <span class="keyword">const</span> <span class="keywordtype">short</span> y1)
00184 {
00185     <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)
00186     {
00187         HBITMAP hBitmap1 = (HBITMAP)LoadImage(<a class="code" href="group__Utility.html#ga11">NULL</a>, pBmpName, IMAGE_BITMAP, 0, 0,
00188                                     LR_DEFAULTSIZE | LR_LOADFROMFILE);
00189         <span class="keywordflow">if</span> (hBitmap1)
00190         {
00191             BITMAP info;
00192             GetObject(hBitmap1, <span class="keyword">sizeof</span>(BITMAP), &amp; info);
00193 
00194             HDC hMemDC1 = CreateCompatibleDC(<a class="code" href="classFG__Win32DrawInterface.html#p0">m_hDC</a>);
00195             SelectObject(hMemDC1, hBitmap1);
00196             BitBlt(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, x1, y1, x1 + info.bmWidth - 1, y1 + info.bmHeight - 1, hMemDC1, 0, 0, SRCCOPY);
00197             DeleteDC(hMemDC1);
00198             DeleteObject(hBitmap1);
00199         }
00200     }
00201 }
00202 
00203 <span class="comment">//##ModelId=3F6193B201F2</span>
<a name="l00204"></a><a class="code" href="classFG__Win32DrawInterface.html#a11">00204</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a11">FG_Win32DrawInterface::DrawPolyLine</a>(<span class="keyword">const</span> <span class="keywordtype">short</span> n, <span class="keyword">const</span> <a class="code" href="structFG__Point.html">FG_Point</a> * vert, <span class="keyword">const</span> <a class="code" href="group__Color.html#ga0">COLORVAL</a> color)
00205 {
00206     <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)
00207     {
00208         <span class="comment">// 创建绘图所用资源</span>
00209         HPEN hPen = CreatePen(PS_SOLID, 1, color);
00210 
00211         HPEN hPenOld = (HPEN)SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPen);
00212 
00213         POINT * lppt = <span class="keyword">new</span> POINT[n];
00214         <span class="keywordflow">for</span> (<span class="keywordtype">short</span> i = 0; i &lt; n; i ++)
00215         {
00216             lppt[i].x = vert[i].<a class="code" href="structFG__Point.html#o0">x</a>;
00217             lppt[i].y = vert[i].<a class="code" href="structFG__Point.html#o1">y</a>;
00218         }
00219 
00220         Polyline(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, lppt, n);
00221         SetPixel(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, lppt[n - 1].x, lppt[n - 1].y, color);
00222 
00223         <span class="keyword">delete</span> [] lppt;
00224 
00225         <span class="comment">// 删除绘图资源</span>
00226         SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPenOld);
00227         DeleteObject(hPen);
00228     }
00229 }
00230 
00231 <span class="comment">//##ModelId=3F6EAC820075</span>
<a name="l00232"></a><a class="code" href="classFG__Win32DrawInterface.html#a12">00232</a> <span class="keywordtype">void</span> <a class="code" href="classFG__Win32DrawInterface.html#a12">FG_Win32DrawInterface::DrawDotRect</a>(<span class="keyword">const</span> <a class="code" href="structFG__Rect.html">FG_Rect</a> &amp; rect, <span class="keyword">const</span> <a class="code" href="group__Color.html#ga0">COLORVAL</a> color)
00233 {
00234     <span class="keywordflow">if</span> (<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>)
00235     {
00236         <span class="comment">// 创建绘图所用资源</span>
00237         HPEN hPen = CreatePen(PS_DOT, 1, color);
00238 
00239         HPEN hPenOld = (HPEN)SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPen);
00240         HBRUSH hBrushOld = (HBRUSH)SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, GetStockObject(NULL_BRUSH));
00241 
00242         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);
00243 
00244         <span class="comment">// 删除绘图资源</span>
00245         SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hPenOld);
00246         DeleteObject(hPen);
00247         SelectObject(<a class="code" href="classFG__Win32DrawInterface.html#p1">m_hMemDC</a>, hBrushOld);
00248     }
00249 }
00250 
</pre></div><hr><center>由 DoxyGen 1.3.6 于 Wed Jun 9 22:34:41 2004 生成<br>版权所有 (C) 2003,2004 王咏武</body></html>