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<div class="header">
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<a href="#func-members">Functions</a> </div>
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<div class="title">SDL.h File Reference</div> </div>
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<div class="contents">
<div class="textblock"><code>#include "<a class="el" href="SDL__main_8h_source.html">SDL_main.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__stdinc_8h_source.html">SDL_stdinc.h</a>"</code><br />
<code>#include "SDL_assert.h"</code><br />
<code>#include "<a class="el" href="SDL__atomic_8h_source.html">SDL_atomic.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__audio_8h_source.html">SDL_audio.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__clipboard_8h_source.html">SDL_clipboard.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__cpuinfo_8h_source.html">SDL_cpuinfo.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__endian_8h_source.html">SDL_endian.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__error_8h_source.html">SDL_error.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__events_8h_source.html">SDL_events.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__filesystem_8h_source.html">SDL_filesystem.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__gamecontroller_8h_source.html">SDL_gamecontroller.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__haptic_8h_source.html">SDL_haptic.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__hints_8h_source.html">SDL_hints.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__joystick_8h_source.html">SDL_joystick.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__loadso_8h_source.html">SDL_loadso.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__log_8h_source.html">SDL_log.h</a>"</code><br />
<code>#include "SDL_messagebox.h"</code><br />
<code>#include "<a class="el" href="SDL__mutex_8h_source.html">SDL_mutex.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__power_8h_source.html">SDL_power.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__render_8h_source.html">SDL_render.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__rwops_8h_source.html">SDL_rwops.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__sensor_8h_source.html">SDL_sensor.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__shape_8h_source.html">SDL_shape.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__system_8h_source.html">SDL_system.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__thread_8h_source.html">SDL_thread.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__timer_8h_source.html">SDL_timer.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__version_8h_source.html">SDL_version.h</a>"</code><br />
<code>#include "<a class="el" href="SDL__video_8h_source.html">SDL_video.h</a>"</code><br />
<code>#include "<a class="el" href="begin__code_8h_source.html">begin_code.h</a>"</code><br />
<code>#include "<a class="el" href="close__code_8h_source.html">close_code.h</a>"</code><br />
</div>
<p><a href="SDL_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">SDL_INIT_*</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>These are the flags which may be passed to <a class="el" href="SDL_8h.html#a8fc8d35348d7c74bad8392d776c937b8">SDL_Init()</a>. You should specify the subsystems which you will be using in your application. </p>
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<tr class="memitem:aadfaf3382d6e136b5944d1d5e7e50290"><td class="memItemLeft" align="right" valign="top"><a id="aadfaf3382d6e136b5944d1d5e7e50290"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_INIT_TIMER</b>   0x00000001u</td></tr>
<tr class="separator:aadfaf3382d6e136b5944d1d5e7e50290"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abeceb02c19508655cb05cc8e64206333"><td class="memItemLeft" align="right" valign="top"><a id="abeceb02c19508655cb05cc8e64206333"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_INIT_AUDIO</b>   0x00000010u</td></tr>
<tr class="separator:abeceb02c19508655cb05cc8e64206333"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afc988e510ed522628ffeb7c76f80c233"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#afc988e510ed522628ffeb7c76f80c233">SDL_INIT_VIDEO</a>   0x00000020u</td></tr>
<tr class="separator:afc988e510ed522628ffeb7c76f80c233"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad6b47d785eaa00d9c48e6c1cff4aef4b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#ad6b47d785eaa00d9c48e6c1cff4aef4b">SDL_INIT_JOYSTICK</a>   0x00000200u</td></tr>
<tr class="separator:ad6b47d785eaa00d9c48e6c1cff4aef4b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adfd88189fec07574cae461b9dea75a85"><td class="memItemLeft" align="right" valign="top"><a id="adfd88189fec07574cae461b9dea75a85"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_INIT_HAPTIC</b>   0x00001000u</td></tr>
<tr class="separator:adfd88189fec07574cae461b9dea75a85"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac224a9aa4208de0e9b03948ff9b5fe0a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#ac224a9aa4208de0e9b03948ff9b5fe0a">SDL_INIT_GAMECONTROLLER</a>   0x00002000u</td></tr>
<tr class="separator:ac224a9aa4208de0e9b03948ff9b5fe0a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:addad89db9e13b46ebcd46a0db8ba0382"><td class="memItemLeft" align="right" valign="top"><a id="addad89db9e13b46ebcd46a0db8ba0382"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_INIT_EVENTS</b>   0x00004000u</td></tr>
<tr class="separator:addad89db9e13b46ebcd46a0db8ba0382"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a25711177b046dd1ccd2fcc2f123f117b"><td class="memItemLeft" align="right" valign="top"><a id="a25711177b046dd1ccd2fcc2f123f117b"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_INIT_SENSOR</b>   0x00008000u</td></tr>
<tr class="separator:a25711177b046dd1ccd2fcc2f123f117b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab848174dfbc69cb2cc7bbf06a6e5c584"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#ab848174dfbc69cb2cc7bbf06a6e5c584">SDL_INIT_NOPARACHUTE</a>   0x00100000u</td></tr>
<tr class="separator:ab848174dfbc69cb2cc7bbf06a6e5c584"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a574afd93f30161d6e87449f675081fb5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><b>SDL_INIT_EVERYTHING</b></td></tr>
<tr class="separator:a574afd93f30161d6e87449f675081fb5"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a8fc8d35348d7c74bad8392d776c937b8"><td class="memItemLeft" align="right" valign="top">DECLSPEC int SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#a8fc8d35348d7c74bad8392d776c937b8">SDL_Init</a> (Uint32 flags)</td></tr>
<tr class="separator:a8fc8d35348d7c74bad8392d776c937b8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adfbfddc0ec609b5e5e5cb1c89298e4db"><td class="memItemLeft" align="right" valign="top">DECLSPEC int SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#adfbfddc0ec609b5e5e5cb1c89298e4db">SDL_InitSubSystem</a> (Uint32 flags)</td></tr>
<tr class="separator:adfbfddc0ec609b5e5e5cb1c89298e4db"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a14e9091982e09097985e10e3ca65debb"><td class="memItemLeft" align="right" valign="top">DECLSPEC void SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#a14e9091982e09097985e10e3ca65debb">SDL_QuitSubSystem</a> (Uint32 flags)</td></tr>
<tr class="separator:a14e9091982e09097985e10e3ca65debb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a04dc570990c697eed95681216801710d"><td class="memItemLeft" align="right" valign="top">DECLSPEC Uint32 SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#a04dc570990c697eed95681216801710d">SDL_WasInit</a> (Uint32 flags)</td></tr>
<tr class="separator:a04dc570990c697eed95681216801710d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afdabaf714781099083592051f2d9ac11"><td class="memItemLeft" align="right" valign="top">DECLSPEC void SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL_8h.html#afdabaf714781099083592051f2d9ac11">SDL_Quit</a> (void)</td></tr>
<tr class="separator:afdabaf714781099083592051f2d9ac11"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Main include header for the SDL library </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a574afd93f30161d6e87449f675081fb5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a574afd93f30161d6e87449f675081fb5">◆ </a></span>SDL_INIT_EVERYTHING</h2>
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<td class="memname">#define SDL_INIT_EVERYTHING</td>
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<b>Value:</b><div class="fragment"><div class="line">( \</div><div class="line"> SDL_INIT_TIMER | SDL_INIT_AUDIO | <a class="code" href="SDL_8h.html#afc988e510ed522628ffeb7c76f80c233">SDL_INIT_VIDEO</a> | SDL_INIT_EVENTS | \</div><div class="line"> SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | <a class="code" href="SDL_8h.html#ac224a9aa4208de0e9b03948ff9b5fe0a">SDL_INIT_GAMECONTROLLER</a> | SDL_INIT_SENSOR \</div><div class="line"> )</div><div class="ttc" id="SDL_8h_html_ac224a9aa4208de0e9b03948ff9b5fe0a"><div class="ttname"><a href="SDL_8h.html#ac224a9aa4208de0e9b03948ff9b5fe0a">SDL_INIT_GAMECONTROLLER</a></div><div class="ttdeci">#define SDL_INIT_GAMECONTROLLER</div><div class="ttdef"><b>Definition:</b> SDL.h:82</div></div>
<div class="ttc" id="SDL_8h_html_afc988e510ed522628ffeb7c76f80c233"><div class="ttname"><a href="SDL_8h.html#afc988e510ed522628ffeb7c76f80c233">SDL_INIT_VIDEO</a></div><div class="ttdeci">#define SDL_INIT_VIDEO</div><div class="ttdef"><b>Definition:</b> SDL.h:79</div></div>
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<a id="ac224a9aa4208de0e9b03948ff9b5fe0a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac224a9aa4208de0e9b03948ff9b5fe0a">◆ </a></span>SDL_INIT_GAMECONTROLLER</h2>
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<td class="memname">#define SDL_INIT_GAMECONTROLLER   0x00002000u</td>
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<p>SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK </p>
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</div>
<a id="ad6b47d785eaa00d9c48e6c1cff4aef4b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad6b47d785eaa00d9c48e6c1cff4aef4b">◆ </a></span>SDL_INIT_JOYSTICK</h2>
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<td class="memname">#define SDL_INIT_JOYSTICK   0x00000200u</td>
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<p>SDL_INIT_JOYSTICK implies SDL_INIT_EVENTS </p>
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<a id="ab848174dfbc69cb2cc7bbf06a6e5c584"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab848174dfbc69cb2cc7bbf06a6e5c584">◆ </a></span>SDL_INIT_NOPARACHUTE</h2>
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<td class="memname">#define SDL_INIT_NOPARACHUTE   0x00100000u</td>
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<p>compatibility; this flag is ignored. </p>
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<a id="afc988e510ed522628ffeb7c76f80c233"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afc988e510ed522628ffeb7c76f80c233">◆ </a></span>SDL_INIT_VIDEO</h2>
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<td class="memname">#define SDL_INIT_VIDEO   0x00000020u</td>
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<p>SDL_INIT_VIDEO implies SDL_INIT_EVENTS </p>
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<h2 class="groupheader">Function Documentation</h2>
<a id="a8fc8d35348d7c74bad8392d776c937b8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8fc8d35348d7c74bad8392d776c937b8">◆ </a></span>SDL_Init()</h2>
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<td class="memname">DECLSPEC int SDLCALL SDL_Init </td>
<td>(</td>
<td class="paramtype">Uint32 </td>
<td class="paramname"><em>flags</em></td><td>)</td>
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<p>This function initializes the subsystems specified by <code>flags</code> </p>
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<a id="adfbfddc0ec609b5e5e5cb1c89298e4db"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adfbfddc0ec609b5e5e5cb1c89298e4db">◆ </a></span>SDL_InitSubSystem()</h2>
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<td class="memname">DECLSPEC int SDLCALL SDL_InitSubSystem </td>
<td>(</td>
<td class="paramtype">Uint32 </td>
<td class="paramname"><em>flags</em></td><td>)</td>
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<p>This function initializes specific SDL subsystems</p>
<p>Subsystem initialization is ref-counted, you must call <a class="el" href="SDL_8h.html#a14e9091982e09097985e10e3ca65debb">SDL_QuitSubSystem()</a> for each <a class="el" href="SDL_8h.html#adfbfddc0ec609b5e5e5cb1c89298e4db">SDL_InitSubSystem()</a> to correctly shutdown a subsystem manually (or call <a class="el" href="SDL_8h.html#afdabaf714781099083592051f2d9ac11">SDL_Quit()</a> to force shutdown). If a subsystem is already loaded then this call will increase the ref-count and return. </p>
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<a id="afdabaf714781099083592051f2d9ac11"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afdabaf714781099083592051f2d9ac11">◆ </a></span>SDL_Quit()</h2>
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<td class="memname">DECLSPEC void SDLCALL SDL_Quit </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<p>This function cleans up all initialized subsystems. You should call it upon all exit conditions. </p>
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<a id="a14e9091982e09097985e10e3ca65debb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a14e9091982e09097985e10e3ca65debb">◆ </a></span>SDL_QuitSubSystem()</h2>
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<td class="memname">DECLSPEC void SDLCALL SDL_QuitSubSystem </td>
<td>(</td>
<td class="paramtype">Uint32 </td>
<td class="paramname"><em>flags</em></td><td>)</td>
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<p>This function cleans up specific SDL subsystems </p>
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<a id="a04dc570990c697eed95681216801710d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a04dc570990c697eed95681216801710d">◆ </a></span>SDL_WasInit()</h2>
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<td class="memname">DECLSPEC Uint32 SDLCALL SDL_WasInit </td>
<td>(</td>
<td class="paramtype">Uint32 </td>
<td class="paramname"><em>flags</em></td><td>)</td>
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<p>This function returns a mask of the specified subsystems which have previously been initialized.</p>
<p>If <code>flags</code> is 0, it returns a mask of all initialized subsystems. </p>
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