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Code Issues 123 Wiki Activity

maintenance: glew update to v 2.1.0, glfw update to v3.3

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tmj-fstate
2019-08-20 12:48:24 +02:00
parent d9b4b9e32b
commit 269e271f01
231 changed files with 19203 additions and 19005 deletions
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@@ -3,7 +3,7 @@
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@@ -21,45 +18,31 @@
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
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<div class="glfwheader">
<a href="http://www.glfw.org/" id="glfwhome">GLFW</a>
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<div class="header">
<div class="summary">
<a href="#nested-classes">Data Structures</a> &#124;
<a href="#typedef-members">Typedefs</a> &#124;
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">Monitor reference</div> </div>
</div><!--header-->
<div class="contents">
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>This is the reference documentation for monitor related functions and types. For more task-oriented information, see the <a class="el" href="monitor_guide.html">Monitor guide</a>. </p>
<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 &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structGLFWvidmode.html">GLFWvidmode</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</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">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gamma ramp. <a href="structGLFWgammaramp.html#details">More...</a><br /></td></tr>
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</table><table class="memberdecls">
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<tr class="memitem:ga8d9efd1cde9426692c73fe40437d0ae3"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a></td></tr>
@@ -120,12 +95,24 @@ Functions</h2></td></tr>
<tr class="memitem:ga102f54e7acc9149edbcf0997152df8c9"><td class="memItemLeft" align="right" valign="top">void&#160;</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">&#160;</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">&#160;</td></tr>
<tr class="memitem:ga7387a3bdb64bfe8ebf2b9e54f5b6c9d0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga7387a3bdb64bfe8ebf2b9e54f5b6c9d0">glfwGetMonitorWorkarea</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, int *xpos, int *ypos, int *width, int *height)</td></tr>
<tr class="memdesc:ga7387a3bdb64bfe8ebf2b9e54f5b6c9d0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrives the work area of the monitor. <a href="#ga7387a3bdb64bfe8ebf2b9e54f5b6c9d0">More...</a><br /></td></tr>
<tr class="separator:ga7387a3bdb64bfe8ebf2b9e54f5b6c9d0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7d8bffc6c55539286a6bd20d32a8d7ea"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga7d8bffc6c55539286a6bd20d32a8d7ea">glfwGetMonitorPhysicalSize</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, int *widthMM, int *heightMM)</td></tr>
<tr class="memdesc:ga7d8bffc6c55539286a6bd20d32a8d7ea"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the physical size of the monitor. <a href="#ga7d8bffc6c55539286a6bd20d32a8d7ea">More...</a><br /></td></tr>
<tr class="separator:ga7d8bffc6c55539286a6bd20d32a8d7ea"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gad3152e84465fa620b601265ebfcdb21b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gad3152e84465fa620b601265ebfcdb21b">glfwGetMonitorContentScale</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, float *xscale, float *yscale)</td></tr>
<tr class="memdesc:gad3152e84465fa620b601265ebfcdb21b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves the content scale for the specified monitor. <a href="#gad3152e84465fa620b601265ebfcdb21b">More...</a><br /></td></tr>
<tr class="separator:gad3152e84465fa620b601265ebfcdb21b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga79a34ee22ff080ca954a9663e4679daf"><td class="memItemLeft" align="right" valign="top">const char *&#160;</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">&#160;</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">&#160;</td></tr>
<tr class="memitem:ga702750e24313a686d3637297b6e85fda"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#ga702750e24313a686d3637297b6e85fda">glfwSetMonitorUserPointer</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor, void *pointer)</td></tr>
<tr class="memdesc:ga702750e24313a686d3637297b6e85fda"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the user pointer of the specified monitor. <a href="#ga702750e24313a686d3637297b6e85fda">More...</a><br /></td></tr>
<tr class="separator:ga702750e24313a686d3637297b6e85fda"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac2d4209016b049222877f620010ed0d8"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gac2d4209016b049222877f620010ed0d8">glfwGetMonitorUserPointer</a> (<a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *monitor)</td></tr>
<tr class="memdesc:gac2d4209016b049222877f620010ed0d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the user pointer of the specified monitor. <a href="#gac2d4209016b049222877f620010ed0d8">More...</a><br /></td></tr>
<tr class="separator:gac2d4209016b049222877f620010ed0d8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac3fe0f647f68b731f99756cd81897378"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__monitor.html#ga8a7ee579a66720f24d656526f3e44c63">GLFWmonitorfun</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__monitor.html#gac3fe0f647f68b731f99756cd81897378">glfwSetMonitorCallback</a> (<a class="el" href="group__monitor.html#ga8a7ee579a66720f24d656526f3e44c63">GLFWmonitorfun</a> cbfun)</td></tr>
<tr class="memdesc:gac3fe0f647f68b731f99756cd81897378"><td class="mdescLeft">&#160;</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">&#160;</td></tr>
@@ -145,27 +132,10 @@ Functions</h2></td></tr>
<tr class="memdesc:ga583f0ffd0d29613d8cd172b996bbf0dd"><td class="mdescLeft">&#160;</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">&#160;</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 task-oriented information, see the <a class="el" href="monitor_guide.html">Monitor guide</a>. </p>
<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="gaec0bd37af673be8813592849f13e02f0"></a>
<div class="memitem">
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<td class="memname">typedef struct <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a> <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>This describes the gamma ramp for a monitor.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_gamma">Gamma ramp</a> </dd>
<dd>
<a class="el" href="group__monitor.html#gab7c41deb2219bde3e1eb756ddaa9ec80" title="Returns the current gamma ramp for the specified monitor. ">glfwGetGammaRamp</a> <a class="el" href="group__monitor.html#ga583f0ffd0d29613d8cd172b996bbf0dd" title="Sets the current gamma ramp for the specified monitor. ">glfwSetGammaRamp</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
<a id="ga8d9efd1cde9426692c73fe40437d0ae3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga8d9efd1cde9426692c73fe40437d0ae3">&#9670;&nbsp;</a></span>GLFWmonitor</h2>
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</div>
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@@ -180,7 +150,9 @@ Functions</h2></td></tr>
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<a id="ga8a7ee579a66720f24d656526f3e44c63"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga8a7ee579a66720f24d656526f3e44c63">&#9670;&nbsp;</a></span>GLFWmonitorfun</h2>
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@@ -193,18 +165,20 @@ Functions</h2></td></tr>
<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>
<tr><td class="paramdir">[in]</td><td class="paramname">event</td><td>One of <code>GLFW_CONNECTED</code> or <code>GLFW_DISCONNECTED</code>. Remaining values reserved for future use.</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_event">Monitor configuration changes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#gac3fe0f647f68b731f99756cd81897378" title="Sets the monitor configuration callback. ">glfwSetMonitorCallback</a></dd></dl>
<a class="el" href="group__monitor.html#gac3fe0f647f68b731f99756cd81897378">glfwSetMonitorCallback</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
</div>
</div>
<a class="anchor" id="gae48aadf4ea0967e6605c8f58fa5daccb"></a>
<a id="gae48aadf4ea0967e6605c8f58fa5daccb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gae48aadf4ea0967e6605c8f58fa5daccb">&#9670;&nbsp;</a></span>GLFWvidmode</h2>
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@@ -216,72 +190,210 @@ Functions</h2></td></tr>
<p>This describes a single video mode.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_modes">Video modes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#gafc1bb972a921ad5b3bd5d63a95fc2d52" title="Returns the current mode of the specified monitor. ">glfwGetVideoMode</a> <a class="el" href="group__monitor.html#ga820b0ce9a5237d645ea7cbb4bd383458" title="Returns the available video modes for the specified monitor. ">glfwGetVideoModes</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
<dl class="section user"><dt></dt><dd><b>GLFW 3:</b> Added refresh rate member. </dd></dl>
<a class="el" href="group__monitor.html#gafc1bb972a921ad5b3bd5d63a95fc2d52">glfwGetVideoMode</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga820b0ce9a5237d645ea7cbb4bd383458">glfwGetVideoModes</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. <b>GLFW 3:</b> Added refresh rate member. </dd></dl>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#gaec0bd37af673be8813592849f13e02f0">&#9670;&nbsp;</a></span>GLFWgammaramp</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> *&#160;</td>
<td class="paramname"><em>monitor</em></td><td>)</td>
<td></td>
<td class="memname">typedef struct <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a> <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a></td>
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<p>This function returns 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>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The current gamma ramp, or <code>NULL</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned structure and its arrays are allocated and freed by GLFW. You should not free them yourself. They are valid until the specified monitor is disconnected, this function is called again for that monitor or the library is terminated.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_gamma">Gamma ramp</a></dd></dl>
<p>This describes the gamma ramp for a monitor.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_gamma">Gamma ramp</a> </dd>
<dd>
<a class="el" href="group__monitor.html#gab7c41deb2219bde3e1eb756ddaa9ec80">glfwGetGammaRamp</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga583f0ffd0d29613d8cd172b996bbf0dd">glfwSetGammaRamp</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga3fba51c8bd36491d4712aa5bd074a537">&#9670;&nbsp;</a></span>glfwGetMonitors()</h2>
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<td class="memname">const char* glfwGetMonitorName </td>
<td class="memname"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a>** glfwGetMonitors </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
<td class="paramname"><em>monitor</em></td><td>)</td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>count</em></td><td>)</td>
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<p>This function returns a human-readable name, encoded as UTF-8, of the specified monitor. The name typically reflects the make and model of the monitor and is not guaranteed to be unique among the connected monitors.</p>
<p>This function returns an array of handles for all currently connected monitors. The primary monitor is always first in the returned array. If no monitors were found, this function returns <code>NULL</code>.</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 monitors 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>The UTF-8 encoded name of the monitor, or <code>NULL</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section return"><dt>Returns</dt><dd>An array of monitor handles, or <code>NULL</code> if no monitors were found or if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned string is allocated and freed by GLFW. You should not free it yourself. It is valid until the specified monitor is disconnected or the library is terminated.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned array is allocated and freed by GLFW. You should not free it yourself. It is guaranteed to be valid only until the monitor configuration changes or the library is terminated.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_monitors">Retrieving monitors</a> </dd>
<dd>
<a class="el" href="monitor_guide.html#monitor_event">Monitor configuration changes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga721867d84c6d18d6790d64d2847ca0b1">glfwGetPrimaryMonitor</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga721867d84c6d18d6790d64d2847ca0b1">&#9670;&nbsp;</a></span>glfwGetPrimaryMonitor()</h2>
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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&#160;</td>
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<p>This function returns the primary monitor. This is usually the monitor where elements like the task bar or global menu bar are located.</p>
<dl class="section return"><dt>Returns</dt><dd>The primary monitor, or <code>NULL</code> if no monitors were found or if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>The primary monitor is always first in the array returned by <a class="el" href="group__monitor.html#ga3fba51c8bd36491d4712aa5bd074a537">glfwGetMonitors</a>.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_monitors">Retrieving monitors</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga3fba51c8bd36491d4712aa5bd074a537">glfwGetMonitors</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga102f54e7acc9149edbcf0997152df8c9">&#9670;&nbsp;</a></span>glfwGetMonitorPos()</h2>
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<td class="memname">void glfwGetMonitorPos </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>xpos</em>, </td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>ypos</em>&#160;</td>
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<p>This function returns the position, in screen coordinates, of the upper-left corner of the specified monitor.</p>
<p>Any or all of the position arguments may be <code>NULL</code>. If an error occurs, all non-<code>NULL</code> position arguments will be set to zero.</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>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_properties">Monitor properties</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7387a3bdb64bfe8ebf2b9e54f5b6c9d0">&#9670;&nbsp;</a></span>glfwGetMonitorWorkarea()</h2>
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<td class="memname">void glfwGetMonitorWorkarea </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
<td class="paramname"><em>monitor</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>xpos</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>ypos</em>, </td>
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<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>width</em>, </td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>height</em>&#160;</td>
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<p>This function returns the position, in screen coordinates, of the upper-left corner of the work area of the specified monitor along with the work area size in screen coordinates. The work area is defined as the area of the monitor not occluded by the operating system task bar where present. If no task bar exists then the work area is the monitor resolution in screen coordinates.</p>
<p>Any or all of the position and size arguments may be <code>NULL</code>. If an error occurs, all non-<code>NULL</code> position and size arguments will be set to zero.</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>
<tr><td class="paramdir">[out]</td><td class="paramname">width</td><td>Where to store the monitor width, or <code>NULL</code>. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">height</td><td>Where to store the monitor height, or <code>NULL</code>.</td></tr>
</table>
</dd>
</dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_workarea">Work area</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.3. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7d8bffc6c55539286a6bd20d32a8d7ea">&#9670;&nbsp;</a></span>glfwGetMonitorPhysicalSize()</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#gad3152e84465fa620b601265ebfcdb21b">&#9670;&nbsp;</a></span>glfwGetMonitorContentScale()</h2>
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<td class="memname">void glfwGetMonitorPos </td>
<td class="memname">void glfwGetMonitorContentScale </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
<td class="paramname"><em>monitor</em>, </td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>xpos</em>, </td>
<td class="paramtype">float *&#160;</td>
<td class="paramname"><em>xscale</em>, </td>
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<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>ypos</em>&#160;</td>
<td class="paramtype">float *&#160;</td>
<td class="paramname"><em>yscale</em>&#160;</td>
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<p>This function returns the position, in screen coordinates, of the upper-left corner of the specified monitor.</p>
<p>Any or all of the position arguments may be <code>NULL</code>. If an error occurs, all non-<code>NULL</code> position arguments will be set to zero.</p>
<p>This function retrieves the content scale for the specified monitor. The content scale is the ratio between the current DPI and the platform's default DPI. This is especially important for text and any UI elements. If the pixel dimensions of your UI scaled by this look appropriate on your machine then it should appear at a reasonable size on other machines regardless of their DPI and scaling settings. This relies on the system DPI and scaling settings being somewhat correct.</p>
<p>The content scale may depend on both the monitor resolution and pixel density and on user settings. It may be very different from the raw DPI calculated from the physical size and current resolution.</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>
<tr><td class="paramdir">[out]</td><td class="paramname">xscale</td><td>Where to store the x-axis content scale, or <code>NULL</code>. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">yscale</td><td>Where to store the y-axis content scale, or <code>NULL</code>.</td></tr>
</table>
</dd>
</dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_properties">Monitor properties</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_scale">Content scale</a> </dd>
<dd>
<a class="el" href="group__window.html#gaf5d31de9c19c4f994facea64d2b3106c">glfwGetWindowContentScale</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.3. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga79a34ee22ff080ca954a9663e4679daf">&#9670;&nbsp;</a></span>glfwGetMonitorName()</h2>
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<td class="memname"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a>** glfwGetMonitors </td>
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<p>This function returns an array of handles for all currently connected monitors. The primary monitor is always first in the returned array. If no monitors were found, this function returns <code>NULL</code>.</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 number of monitors in the returned array. This is set to zero if an error occurred. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>An array of monitor handles, or <code>NULL</code> if no monitors were found or if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned array is allocated and freed by GLFW. You should not free it yourself. It is guaranteed to be valid only until the monitor configuration changes or the library is terminated.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_monitors">Retrieving monitors</a> </dd>
<dd>
<a class="el" href="monitor_guide.html#monitor_event">Monitor configuration changes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga721867d84c6d18d6790d64d2847ca0b1" title="Returns the primary monitor. ">glfwGetPrimaryMonitor</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </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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<p>This function returns the primary monitor. This is usually the monitor where elements like the task bar or global menu bar are located.</p>
<dl class="section return"><dt>Returns</dt><dd>The primary monitor, or <code>NULL</code> if no monitors were found or if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>The primary monitor is always first in the array returned by <a class="el" href="group__monitor.html#ga3fba51c8bd36491d4712aa5bd074a537">glfwGetMonitors</a>.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_monitors">Retrieving monitors</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga3fba51c8bd36491d4712aa5bd074a537" title="Returns the currently connected monitors. ">glfwGetMonitors</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<td class="memname">const <a class="el" href="structGLFWvidmode.html">GLFWvidmode</a>* glfwGetVideoMode </td>
<td class="memname">const char* glfwGetMonitorName </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
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<p>This function returns the current video mode of the specified monitor. If you have created a full screen window for that monitor, the return value will depend on whether that window is iconified.</p>
<p>This function returns a human-readable name, encoded as UTF-8, of the specified monitor. The name typically reflects the make and model of the monitor and is not guaranteed to be unique among the connected monitors.</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>
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<dl class="section return"><dt>Returns</dt><dd>The current mode of the monitor, or <code>NULL</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned array is allocated and freed by GLFW. You should not free it yourself. It is valid until the specified monitor is disconnected or the library is terminated.</dd></dl>
<dl class="section return"><dt>Returns</dt><dd>The UTF-8 encoded name of the monitor, or <code>NULL</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned string is allocated and freed by GLFW. You should not free it yourself. It is valid until the specified monitor is disconnected or the library is terminated.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_modes">Video modes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga820b0ce9a5237d645ea7cbb4bd383458" title="Returns the available video modes for the specified monitor. ">glfwGetVideoModes</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. Replaces <code>glfwGetDesktopMode</code>. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_properties">Monitor properties</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga702750e24313a686d3637297b6e85fda">&#9670;&nbsp;</a></span>glfwSetMonitorUserPointer()</h2>
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<td class="memname">void glfwSetMonitorUserPointer </td>
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<td class="paramname"><em>monitor</em>, </td>
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<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>pointer</em>&#160;</td>
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<p>This function sets the user-defined pointer of the specified monitor. The current value is retained until the monitor is disconnected. The initial value is <code>NULL</code>.</p>
<p>This function may be called from the monitor callback, even for a monitor that is being disconnected.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor whose pointer to set. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">pointer</td><td>The new value.</td></tr>
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<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function may be called from any thread. Access is not synchronized.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_userptr">User pointer</a> </dd>
<dd>
<a class="el" href="group__monitor.html#gac2d4209016b049222877f620010ed0d8">glfwGetMonitorUserPointer</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.3. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gac2d4209016b049222877f620010ed0d8">&#9670;&nbsp;</a></span>glfwGetMonitorUserPointer()</h2>
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<td class="memname">void* glfwGetMonitorUserPointer </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
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<p>This function returns the current value of the user-defined pointer of the specified monitor. The initial value is <code>NULL</code>.</p>
<p>This function may be called from the monitor callback, even for a monitor that is being disconnected.</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 pointer to return.</td></tr>
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</dd>
</dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function may be called from any thread. Access is not synchronized.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_userptr">User pointer</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga702750e24313a686d3637297b6e85fda">glfwSetMonitorUserPointer</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.3. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gac3fe0f647f68b731f99756cd81897378">&#9670;&nbsp;</a></span>glfwSetMonitorCallback()</h2>
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<td class="memname"><a class="el" href="group__monitor.html#ga8a7ee579a66720f24d656526f3e44c63">GLFWmonitorfun</a> glfwSetMonitorCallback </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8a7ee579a66720f24d656526f3e44c63">GLFWmonitorfun</a>&#160;</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>
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<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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<dl class="section return"><dt>Returns</dt><dd>The previously set callback, or <code>NULL</code> if no callback was set or the library had not been <a class="el" href="intro_guide.html#intro_init">initialized</a>.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_event">Monitor configuration changes</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga820b0ce9a5237d645ea7cbb4bd383458">&#9670;&nbsp;</a></span>glfwGetVideoModes()</h2>
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<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_modes">Video modes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#gafc1bb972a921ad5b3bd5d63a95fc2d52" title="Returns the current mode of the specified monitor. ">glfwGetVideoMode</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
<dl class="section user"><dt></dt><dd><b>GLFW 3:</b> Changed to return an array of modes for a specific monitor. </dd></dl>
<a class="el" href="group__monitor.html#gafc1bb972a921ad5b3bd5d63a95fc2d52">glfwGetVideoMode</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. <b>GLFW 3:</b> Changed to return an array of modes for a specific monitor. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gafc1bb972a921ad5b3bd5d63a95fc2d52">&#9670;&nbsp;</a></span>glfwGetVideoMode()</h2>
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<td class="memname">const <a class="el" href="structGLFWvidmode.html">GLFWvidmode</a>* glfwGetVideoMode </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
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<p>This function returns the current video mode of the specified monitor. If you have created a full screen window for that monitor, the return value will depend on whether that window is iconified.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>The current mode of the monitor, or <code>NULL</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned array is allocated and freed by GLFW. You should not free it yourself. It is valid until the specified monitor is disconnected or the library is terminated.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_modes">Video modes</a> </dd>
<dd>
<a class="el" href="group__monitor.html#ga820b0ce9a5237d645ea7cbb4bd383458">glfwGetVideoModes</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. Replaces <code>glfwGetDesktopMode</code>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6ac582625c990220785ddd34efa3169a">&#9670;&nbsp;</a></span>glfwSetGamma()</h2>
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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. The value must be a finite number greater than zero.</p>
<p>This function generates an appropriately sized gamma ramp from the specified exponent and then calls <a class="el" href="group__monitor.html#ga583f0ffd0d29613d8cd172b996bbf0dd">glfwSetGammaRamp</a> with it. The value must be a finite number greater than zero.</p>
<p>The software controlled gamma ramp is applied <em>in addition</em> to the hardware gamma correction, which today is usually an approximation of sRGB gamma. This means that setting a perfectly linear ramp, or gamma 1.0, will produce the default (usually sRGB-like) behavior.</p>
<p>For gamma correct rendering with OpenGL or OpenGL ES, see the <a class="el" href="window_guide.html#GLFW_SRGB_CAPABLE">GLFW_SRGB_CAPABLE</a> hint.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor whose gamma ramp to set. </td></tr>
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<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>, <a class="el" href="group__errors.html#gaaf2ef9aa8202c2b82ac2d921e554c687">GLFW_INVALID_VALUE</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd><b>Wayland:</b> Gamma handling is a priviledged protocol, this function will thus never be implemented and emits <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_gamma">Gamma ramp</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gab7c41deb2219bde3e1eb756ddaa9ec80">&#9670;&nbsp;</a></span>glfwGetGammaRamp()</h2>
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<td class="memname">const <a class="el" href="structGLFWgammaramp.html">GLFWgammaramp</a>* glfwGetGammaRamp </td>
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<td class="paramtype"><a class="el" href="group__monitor.html#ga8d9efd1cde9426692c73fe40437d0ae3">GLFWmonitor</a> *&#160;</td>
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<p>This function returns the current gamma ramp of the specified monitor.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor to query. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The current gamma ramp, or <code>NULL</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd><b>Wayland:</b> Gamma handling is a priviledged protocol, this function will thus never be implemented and emits <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a> while returning <code>NULL</code>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned structure and its arrays are allocated and freed by GLFW. You should not free them yourself. They are valid until the specified monitor is disconnected, this function is called again for that monitor or the library is terminated.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_gamma">Gamma ramp</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga583f0ffd0d29613d8cd172b996bbf0dd">&#9670;&nbsp;</a></span>glfwSetGammaRamp()</h2>
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<p>This function sets the current gamma ramp for the specified monitor. The original gamma ramp for that monitor is saved by GLFW the first time this function is called and is restored by <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a>.</p>
<p>The software controlled gamma ramp is applied <em>in addition</em> to the hardware gamma correction, which today is usually an approximation of sRGB gamma. This means that setting a perfectly linear ramp, or gamma 1.0, will produce the default (usually sRGB-like) behavior.</p>
<p>For gamma correct rendering with OpenGL or OpenGL ES, see the <a class="el" href="window_guide.html#GLFW_SRGB_CAPABLE">GLFW_SRGB_CAPABLE</a> hint.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">monitor</td><td>The monitor whose gamma ramp to set. </td></tr>
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<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a> and <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>Gamma ramp sizes other than 256 are not supported by all platforms or graphics hardware.</dd>
<dl class="section remark"><dt>Remarks</dt><dd>The size of the specified gamma ramp should match the size of the current ramp for that monitor.</dd>
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<b>Windows:</b> The gamma ramp size must be 256.</dd></dl>
<b>Windows:</b> The gamma ramp size must be 256.</dd>
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<b>Wayland:</b> Gamma handling is a priviledged protocol, this function will thus never be implemented and emits <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The specified gamma ramp is copied before this function returns.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_gamma">Gamma ramp</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<td class="memname"><a class="el" href="group__monitor.html#ga8a7ee579a66720f24d656526f3e44c63">GLFWmonitorfun</a> glfwSetMonitorCallback </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__monitor.html#ga8a7ee579a66720f24d656526f3e44c63">GLFWmonitorfun</a>&#160;</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>
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<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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<dl class="section return"><dt>Returns</dt><dd>The previously set callback, or <code>NULL</code> if no callback was set or the library had not been <a class="el" href="intro_guide.html#intro_init">initialized</a>.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga2374ee02c177f12e1fa76ff3ed15e14a">GLFW_NOT_INITIALIZED</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="monitor_guide.html#monitor_event">Monitor configuration changes</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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Last update on Thu Aug 18 2016 for GLFW 3.2.1
Last update on Tue Apr 16 2019 for GLFW 3.3.0
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