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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>g2: devices control</title>
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<!-- Generated by Doxygen 1.3.7 -->
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<h1>devices control<br>
<small>
[<a class="el" href="group__interface.html">g2 User Interface</a>]</small>
</h1><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="group__device.html#ga0">g2_close</a> (int dev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="group__device.html#ga1">g2_set_auto_flush</a> (int dev, int on_off)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="group__device.html#ga2">g2_set_coordinate_system</a> (int dev, double x_origin, double y_origin, double x_mul, double y_mul)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="group__device.html#ga3">g2_ld</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="group__device.html#ga4">g2_set_ld</a> (int dev)</td></tr>
</table>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="ga0" doxytag="g2_ui_device.c::g2_close" ></a><p>
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<td class="md" nowrap valign="top"> void g2_close </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>dev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<table cellspacing=5 cellpadding=0 border=0>
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</td>
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<p>
Close and delete a device.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>dev</em> </td><td>device </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="ga3" doxytag="g2_ui_device.c::g2_ld" ></a><p>
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<td class="md" nowrap valign="top"> int g2_ld </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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<p>
Get the last accessed device. G2LD macro is defined as the g2_ld function.<p>
<pre><div class="fragment"> <a class="code" href="group__X11.html#ga0">g2_open_X11</a>(100, 100);
<a class="code" href="group__graphic.html#ga29">g2_plot</a>(G2LD, 50, 50);
</div></pre> </td>
</tr>
</table>
<a class="anchor" name="ga1" doxytag="g2_ui_device.c::g2_set_auto_flush" ></a><p>
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<td class="md" nowrap valign="top"> void g2_set_auto_flush </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>dev</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>on_off</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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<p>
Set auto flush mode for device <em>dev</em>. Auto flush mode means that after each graphical operation g2 library automatically calls flush function to ensure that output is realy displayed. However, freqent flushing decreases performance. Alternative is to flush output when needed by calling g2_flush function.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>dev</em> </td><td>device </td></tr>
<tr><td></td><td valign=top><em>on_off</em> </td><td>1-on 0-off </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="ga2" doxytag="g2_ui_device.c::g2_set_coordinate_system" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top"> void g2_set_coordinate_system </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>dev</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>x_origin</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>y_origin</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>x_mul</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>y_mul</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Set the user coordinate system.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>dev</em> </td><td>device </td></tr>
<tr><td></td><td valign=top><em>x_origin</em> </td><td>x coordinate of the new origin (expressed in the default coordinate system) </td></tr>
<tr><td></td><td valign=top><em>y_origin</em> </td><td>x coordinate of the new origin (expressed in the default coordinate system) </td></tr>
<tr><td></td><td valign=top><em>x_mul</em> </td><td>x scaling factor </td></tr>
<tr><td></td><td valign=top><em>y_mul</em> </td><td>y scaling factor </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a class="anchor" name="ga4" doxytag="g2_ui_device.c::g2_set_ld" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top"> void g2_set_ld </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>dev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
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</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Set the last accessed device. See also <a class="el" href="group__device.html#ga15">g2_ld()</a> function.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>dev</em> </td><td>device </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<hr size="1"><address style="align: right;"><small>Generated on Tue Jun 14 23:33:58 2005 for g2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.7 </small></address>
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