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 <span id="projectnumber">3.0.2</span>
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<div class="title">Monitor handling</div> </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structGLFWvidmode.html">GLFWvidmode</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Video mode type. <a href="structGLFWvidmode.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Gamma ramp. <a href="structGLFWgammaramp.html#details">More...</a><br/></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:ga8d9efd1cde9426692c73fe40437d0ae3"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a></td></tr>
<tr class="separator:ga8d9efd1cde9426692c73fe40437d0ae3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga67b74af6cecfdbccc7e57a6319a57210"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga67b74af6cecfdbccc7e57a6319a57210">GLFWmonitorfun</a> )(<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *, int)</td></tr>
<tr class="memdesc:ga67b74af6cecfdbccc7e57a6319a57210"><td class="mdescLeft"> </td><td class="mdescRight">The function signature for monitor configuration callbacks. <a href="#ga67b74af6cecfdbccc7e57a6319a57210">More...</a><br/></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ga3fba51c8bd36491d4712aa5bd074a537"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> ** </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga3fba51c8bd36491d4712aa5bd074a537">glfwGetMonitors</a> (int *count)</td></tr>
<tr class="memdesc:ga3fba51c8bd36491d4712aa5bd074a537"><td class="mdescLeft"> </td><td class="mdescRight">Returns the currently connected monitors. <a href="#ga3fba51c8bd36491d4712aa5bd074a537">More...</a><br/></td></tr>
<tr class="separator:ga3fba51c8bd36491d4712aa5bd074a537"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga721867d84c6d18d6790d64d2847ca0b1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga721867d84c6d18d6790d64d2847ca0b1">glfwGetPrimaryMonitor</a> (void)</td></tr>
<tr class="memdesc:ga721867d84c6d18d6790d64d2847ca0b1"><td class="mdescLeft"> </td><td class="mdescRight">Returns the primary monitor. <a href="#ga721867d84c6d18d6790d64d2847ca0b1">More...</a><br/></td></tr>
<tr class="separator:ga721867d84c6d18d6790d64d2847ca0b1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga102f54e7acc9149edbcf0997152df8c9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga102f54e7acc9149edbcf0997152df8c9">glfwGetMonitorPos</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, int *xpos, int *ypos)</td></tr>
<tr class="memdesc:ga102f54e7acc9149edbcf0997152df8c9"><td class="mdescLeft"> </td><td class="mdescRight">Returns the position of the monitor's viewport on the virtual screen. <a href="#ga102f54e7acc9149edbcf0997152df8c9">More...</a><br/></td></tr>
<tr class="separator:ga102f54e7acc9149edbcf0997152df8c9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa2d6107f4a35771b99812d1260c6056d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gaa2d6107f4a35771b99812d1260c6056d">glfwGetMonitorPhysicalSize</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, int *width, int *height)</td></tr>
<tr class="memdesc:gaa2d6107f4a35771b99812d1260c6056d"><td class="mdescLeft"> </td><td class="mdescRight">Returns the physical size of the monitor. <a href="#gaa2d6107f4a35771b99812d1260c6056d">More...</a><br/></td></tr>
<tr class="separator:gaa2d6107f4a35771b99812d1260c6056d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga79a34ee22ff080ca954a9663e4679daf"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga79a34ee22ff080ca954a9663e4679daf">glfwGetMonitorName</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor)</td></tr>
<tr class="memdesc:ga79a34ee22ff080ca954a9663e4679daf"><td class="mdescLeft"> </td><td class="mdescRight">Returns the name of the specified monitor. <a href="#ga79a34ee22ff080ca954a9663e4679daf">More...</a><br/></td></tr>
<tr class="separator:ga79a34ee22ff080ca954a9663e4679daf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac3fe0f647f68b731f99756cd81897378"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__monitor.html#ga67b74af6cecfdbccc7e57a6319a57210">GLFWmonitorfun</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gac3fe0f647f68b731f99756cd81897378">glfwSetMonitorCallback</a> (<a class="el" href="group__monitor.html#ga67b74af6cecfdbccc7e57a6319a57210">GLFWmonitorfun</a> cbfun)</td></tr>
<tr class="memdesc:gac3fe0f647f68b731f99756cd81897378"><td class="mdescLeft"> </td><td class="mdescRight">Sets the monitor configuration callback. <a href="#gac3fe0f647f68b731f99756cd81897378">More...</a><br/></td></tr>
<tr class="separator:gac3fe0f647f68b731f99756cd81897378"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga820b0ce9a5237d645ea7cbb4bd383458"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structGLFWvidmode.html">GLFWvidmode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga820b0ce9a5237d645ea7cbb4bd383458">glfwGetVideoModes</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, int *count)</td></tr>
<tr class="memdesc:ga820b0ce9a5237d645ea7cbb4bd383458"><td class="mdescLeft"> </td><td class="mdescRight">Returns the available video modes for the specified monitor. <a href="#ga820b0ce9a5237d645ea7cbb4bd383458">More...</a><br/></td></tr>
<tr class="separator:ga820b0ce9a5237d645ea7cbb4bd383458"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafc1bb972a921ad5b3bd5d63a95fc2d52"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structGLFWvidmode.html">GLFWvidmode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gafc1bb972a921ad5b3bd5d63a95fc2d52">glfwGetVideoMode</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor)</td></tr>
<tr class="memdesc:gafc1bb972a921ad5b3bd5d63a95fc2d52"><td class="mdescLeft"> </td><td class="mdescRight">Returns the current mode of the specified monitor. <a href="#gafc1bb972a921ad5b3bd5d63a95fc2d52">More...</a><br/></td></tr>
<tr class="separator:gafc1bb972a921ad5b3bd5d63a95fc2d52"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6ac582625c990220785ddd34efa3169a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga6ac582625c990220785ddd34efa3169a">glfwSetGamma</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, float gamma)</td></tr>
<tr class="memdesc:ga6ac582625c990220785ddd34efa3169a"><td class="mdescLeft"> </td><td class="mdescRight">Generates a gamma ramp and sets it for the specified monitor. <a href="#ga6ac582625c990220785ddd34efa3169a">More...</a><br/></td></tr>
<tr class="separator:ga6ac582625c990220785ddd34efa3169a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab7c41deb2219bde3e1eb756ddaa9ec80"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gab7c41deb2219bde3e1eb756ddaa9ec80">glfwGetGammaRamp</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor)</td></tr>
<tr class="memdesc:gab7c41deb2219bde3e1eb756ddaa9ec80"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the current gamma ramp for the specified monitor. <a href="#gab7c41deb2219bde3e1eb756ddaa9ec80">More...</a><br/></td></tr>
<tr class="separator:gab7c41deb2219bde3e1eb756ddaa9ec80"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga583f0ffd0d29613d8cd172b996bbf0dd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga583f0ffd0d29613d8cd172b996bbf0dd">glfwSetGammaRamp</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, const <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a> *ramp)</td></tr>
<tr class="memdesc:ga583f0ffd0d29613d8cd172b996bbf0dd"><td class="mdescLeft"> </td><td class="mdescRight">Sets the current gamma ramp for the specified monitor. <a href="#ga583f0ffd0d29613d8cd172b996bbf0dd">More...</a><br/></td></tr>
<tr class="separator:ga583f0ffd0d29613d8cd172b996bbf0dd"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>This is the reference documentation for monitor related functions and types. For more information, see the <a class="el" href="monitor.html">Multi-monitor guide</a>. </p>
<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="ga8d9efd1cde9426692c73fe40437d0ae3"></a>
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<td class="memname">typedef struct <a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> <a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a></td>
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</div><div class="memdoc">
<p>Opaque monitor object. </p>
</div>
</div>
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<td class="memname">typedef void(* GLFWmonitorfun)(<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *, int)</td>
</tr>
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</div><div class="memdoc">
<p>This is the function signature for monitor configuration callback functions.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor that was connected or disconnected. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">event</td><td>One of <code>GLFW_CONNECTED</code> or <code>GLFW_DISCONNECTED</code>.</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__monitor.html#gac3fe0f647f68b731f99756cd81897378" title="Sets the monitor configuration callback.">glfwSetMonitorCallback</a> </dd></dl>
</div>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">const <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a>* glfwGetGammaRamp </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em></td><td>)</td>
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<p>This function retrieves the current gamma ramp of the specified monitor.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The current gamma ramp, or <code>NULL</code> if an error occurred.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>The value arrays of the returned ramp are allocated and freed by GLFW. You should not free them yourself. </dd></dl>
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<td class="memname">const char* glfwGetMonitorName </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em></td><td>)</td>
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<p>This function returns a human-readable name, encoded as UTF-8, of the specified monitor.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The UTF-8 encoded name of the monitor, or <code>NULL</code> if an error occurred.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>The returned string is allocated and freed by GLFW. You should not free it yourself. </dd></dl>
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<td class="memname">void glfwGetMonitorPhysicalSize </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>width</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>height</em> </td>
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<p>This function returns the size, in millimetres, of the display area of the specified monitor.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">width</td><td>Where to store the width, in mm, of the monitor's display area, or <code>NULL</code>. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">height</td><td>Where to store the height, in mm, of the monitor's display area, or <code>NULL</code>.</td></tr>
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</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>Some operating systems do not provide accurate information, either because the monitor's EDID data is incorrect, or because the driver does not report it accurately. </dd></dl>
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<td class="memname">void glfwGetMonitorPos </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>xpos</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>ypos</em> </td>
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<p>This function returns the position, in screen coordinates, of the upper-left corner of the specified monitor.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">xpos</td><td>Where to store the monitor x-coordinate, or <code>NULL</code>. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">ypos</td><td>Where to store the monitor y-coordinate, or <code>NULL</code>. </td></tr>
</table>
</dd>
</dl>
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<td class="memname"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a>** glfwGetMonitors </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>count</em></td><td>)</td>
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<p>This function returns an array of handles for all currently connected monitors.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">count</td><td>Where to store the size of the returned array. This is set to zero if an error occurred. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>An array of monitor handles, or <code>NULL</code> if an error occurred.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>The returned array is allocated and freed by GLFW. You should not free it yourself.</dd>
<dd>
The returned array is valid only until the monitor configuration changes. See <a class="el" href="group__monitor.html#gac3fe0f647f68b731f99756cd81897378">glfwSetMonitorCallback</a> to receive notifications of configuration changes.</dd></dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__monitor.html#ga721867d84c6d18d6790d64d2847ca0b1" title="Returns the primary monitor.">glfwGetPrimaryMonitor</a> </dd></dl>
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<td class="memname"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a>* glfwGetPrimaryMonitor </td>
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<td class="paramtype">void </td>
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<p>This function returns the primary monitor. This is usually the monitor where elements like the Windows task bar or the OS X menu bar is located.</p>
<dl class="section return"><dt>Returns</dt><dd>The primary monitor, or <code>NULL</code> if an error occurred.</dd></dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__monitor.html#ga3fba51c8bd36491d4712aa5bd074a537" title="Returns the currently connected monitors.">glfwGetMonitors</a> </dd></dl>
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<td class="memname">const <a class="el" href="structGLFWvidmode.html">GLFWvidmode</a>* glfwGetVideoMode </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
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<p>This function returns the current video mode of the specified monitor. If you are using a full screen window, the return value will therefore depend on whether it is focused.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The current mode of the monitor, or <code>NULL</code> if an error occurred.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>The returned struct is allocated and freed by GLFW. You should not free it yourself.</dd></dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__monitor.html#ga820b0ce9a5237d645ea7cbb4bd383458" title="Returns the available video modes for the specified monitor.">glfwGetVideoModes</a> </dd></dl>
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<td class="memname">const <a class="el" href="structGLFWvidmode.html">GLFWvidmode</a>* glfwGetVideoModes </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>count</em> </td>
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<p>This function returns an array of all video modes supported by the specified monitor. The returned array is sorted in ascending order, first by color bit depth (the sum of all channel depths) and then by resolution area (the product of width and height).</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">count</td><td>Where to store the number of video modes in the returned array. This is set to zero if an error occurred. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>An array of video modes, or <code>NULL</code> if an error occurred.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>The returned array is allocated and freed by GLFW. You should not free it yourself.</dd>
<dd>
The returned array is valid only until this function is called again for the specified monitor.</dd></dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__monitor.html#gafc1bb972a921ad5b3bd5d63a95fc2d52" title="Returns the current mode of the specified monitor.">glfwGetVideoMode</a> </dd></dl>
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<td class="memname">void glfwSetGamma </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramtype">float </td>
<td class="paramname"><em>gamma</em> </td>
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<p>This function generates a 256-element gamma ramp from the specified exponent and then calls <a class="el" href="group__monitor.html#ga583f0ffd0d29613d8cd172b996bbf0dd">glfwSetGammaRamp</a> with it.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor whose gamma ramp to set. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">gamma</td><td>The desired exponent. </td></tr>
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<td class="memname">void glfwSetGammaRamp </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> * </td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramtype">const <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a> * </td>
<td class="paramname"><em>ramp</em> </td>
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<p>This function sets the current gamma ramp for the specified monitor.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor whose gamma ramp to set. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">ramp</td><td>The gamma ramp to use.</td></tr>
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</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>Gamma ramp sizes other than 256 are not supported by all hardware. </dd></dl>
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<td class="memname"><a class="el" href="group__monitor.html#ga67b74af6cecfdbccc7e57a6319a57210">GLFWmonitorfun</a> glfwSetMonitorCallback </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga67b74af6cecfdbccc7e57a6319a57210">GLFWmonitorfun</a> </td>
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<p>This function sets the monitor configuration callback, or removes the currently set callback. This is called when a monitor is connected to or disconnected from the system.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cbfun</td><td>The new callback, or <code>NULL</code> to remove the currently set callback. </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The previously set callback, or <code>NULL</code> if no callback was set or an error occurred.</dd></dl>
<dl class="bug"><dt><b><a class="el" href="bug.html#_bug000001">Bug:</a></b></dt><dd><b>X11:</b> This callback is not yet called on monitor configuration changes.</dd></dl>
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