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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Device contexts are surfaces that may be drawn on, and provide an abstraction that allows parameterisation of your drawing code by passing different device contexts. </p>
<p>Related Overviews: <a class="el" href="overview_dc.html">Device Contexts</a> </p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structwx_font_metrics.html">wxFontMetrics</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Simple collection of various font metrics. <a href="structwx_font_metrics.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_d_c.html">wxDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_d_c.html" title="A wxDC is a "device context" onto which graphics and text can be drawn.">wxDC</a> is a <em>"device context"</em> onto which graphics and text can be drawn. <a href="classwx_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_buffered_d_c.html">wxBufferedDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This class provides a simple way to avoid flicker: when drawing on it, everything is in fact first drawn on an in-memory buffer (a <a class="el" href="classwx_bitmap.html" title="This class encapsulates the concept of a platform-dependent bitmap, either monochrome or colour or co...">wxBitmap</a>) and then copied to the screen, using the associated <a class="el" href="classwx_d_c.html" title="A wxDC is a "device context" onto which graphics and text can be drawn.">wxDC</a>, only once, when this object is destroyed. <a href="classwx_buffered_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_auto_buffered_paint_d_c.html">wxAutoBufferedPaintDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This <a class="el" href="classwx_d_c.html" title="A wxDC is a "device context" onto which graphics and text can be drawn.">wxDC</a> derivative can be used inside of an <code>EVT_PAINT()</code> event handler to achieve double-buffered drawing. <a href="classwx_auto_buffered_paint_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_buffered_paint_d_c.html">wxBufferedPaintDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This is a subclass of <a class="el" href="classwx_buffered_d_c.html" title="This class provides a simple way to avoid flicker: when drawing on it, everything is in fact first dr...">wxBufferedDC</a> which can be used inside of an <code>EVT_PAINT()</code> event handler to achieve double-buffered drawing. <a href="classwx_buffered_paint_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_paint_d_c.html">wxPaintDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_paint_d_c.html" title="A wxPaintDC must be constructed if an application wishes to paint on the client area of a window from...">wxPaintDC</a> must be constructed if an application wishes to paint on the client area of a window from within an EVT_PAINT() event handler. <a href="classwx_paint_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_client_d_c.html">wxClientDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_client_d_c.html" title="A wxClientDC must be constructed if an application wishes to paint on the client area of a window fro...">wxClientDC</a> must be constructed if an application wishes to paint on the client area of a window from outside an EVT_PAINT() handler. <a href="classwx_client_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_window_d_c.html">wxWindowDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_window_d_c.html" title="A wxWindowDC must be constructed if an application wishes to paint on the whole area of a window (cli...">wxWindowDC</a> must be constructed if an application wishes to paint on the whole area of a window (client and decorations). <a href="classwx_window_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_g_c_d_c.html">wxGCDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classwx_g_c_d_c.html" title="wxGCDC is a device context that draws on a wxGraphicsContext.">wxGCDC</a> is a device context that draws on a <a class="el" href="classwx_graphics_context.html" title="A wxGraphicsContext instance is the object that is drawn upon.">wxGraphicsContext</a>. <a href="classwx_g_c_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_memory_d_c.html">wxMemoryDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A memory device context provides a means to draw graphics onto a bitmap. <a href="classwx_memory_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_mirror_d_c.html">wxMirrorDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classwx_mirror_d_c.html" title="wxMirrorDC is a simple wrapper class which is always associated with a real wxDC object and either fo...">wxMirrorDC</a> is a simple wrapper class which is always associated with a real <a class="el" href="classwx_d_c.html" title="A wxDC is a "device context" onto which graphics and text can be drawn.">wxDC</a> object and either forwards all of its operations to it without changes (no mirroring takes place) or exchanges <em>x</em> and <em>y</em> coordinates which makes it possible to reuse the same code to draw a figure and its mirror – i.e. <a href="classwx_mirror_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_post_script_d_c.html">wxPostScriptDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This defines the wxWidgets Encapsulated PostScript device context, which can write PostScript files on any platform. <a href="classwx_post_script_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_screen_d_c.html">wxScreenDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_screen_d_c.html" title="A wxScreenDC can be used to paint on the screen.">wxScreenDC</a> can be used to paint on the screen. <a href="classwx_screen_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_s_v_g_file_d_c.html">wxSVGFileDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_s_v_g_file_d_c.html" title="A wxSVGFileDC is a device context onto which graphics and text can be drawn, and the output produced ...">wxSVGFileDC</a> is a device context onto which graphics and text can be drawn, and the output produced as a vector file, in SVG format. <a href="classwx_s_v_g_file_d_c.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_context.html">wxGraphicsContext</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_context.html" title="A wxGraphicsContext instance is the object that is drawn upon.">wxGraphicsContext</a> instance is the object that is drawn upon. <a href="classwx_graphics_context.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_metafile_d_c.html">wxMetafileDC</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This is a type of device context that allows a metafile object to be created (Windows only), and has most of the characteristics of a normal <b><a class="el" href="classwx_d_c.html" title="A wxDC is a "device context" onto which graphics and text can be drawn.">wxDC</a></b>. <a href="classwx_metafile_d_c.html#details">More...</a><br/></td></tr>
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