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<div class="title">SDL_rect.h File Reference</div> </div>
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<div class="textblock"><code>#include "<a class="el" href="SDL__stdinc_8h_source.html">SDL_stdinc.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__pixels_8h_source.html">SDL_pixels.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="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__rect_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="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structSDL__Point.html">SDL_Point</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">The structure that defines a point (integer) <a href="structSDL__Point.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="structSDL__FPoint.html">SDL_FPoint</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">The structure that defines a point (floating point) <a href="structSDL__FPoint.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="structSDL__Rect.html">SDL_Rect</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A rectangle, with the origin at the upper left (integer). <a href="structSDL__Rect.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="structSDL__FRect.html">SDL_FRect</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A rectangle, with the origin at the upper left (floating point). <a href="structSDL__FRect.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a61e81ca749549bf3b896e6d09f6c0dad"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structSDL__Point.html">SDL_Point</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a61e81ca749549bf3b896e6d09f6c0dad">SDL_Point</a></td></tr>
<tr class="memdesc:a61e81ca749549bf3b896e6d09f6c0dad"><td class="mdescLeft"> </td><td class="mdescRight">The structure that defines a point (integer) <a href="#a61e81ca749549bf3b896e6d09f6c0dad">More...</a><br /></td></tr>
<tr class="separator:a61e81ca749549bf3b896e6d09f6c0dad"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a758ff5c0cedab26602d42bb8fbd83fef"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structSDL__FPoint.html">SDL_FPoint</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a758ff5c0cedab26602d42bb8fbd83fef">SDL_FPoint</a></td></tr>
<tr class="memdesc:a758ff5c0cedab26602d42bb8fbd83fef"><td class="mdescLeft"> </td><td class="mdescRight">The structure that defines a point (floating point) <a href="#a758ff5c0cedab26602d42bb8fbd83fef">More...</a><br /></td></tr>
<tr class="separator:a758ff5c0cedab26602d42bb8fbd83fef"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab9e65f8131b4e7faad18d498e7dbde8c"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structSDL__Rect.html">SDL_Rect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#ab9e65f8131b4e7faad18d498e7dbde8c">SDL_Rect</a></td></tr>
<tr class="memdesc:ab9e65f8131b4e7faad18d498e7dbde8c"><td class="mdescLeft"> </td><td class="mdescRight">A rectangle, with the origin at the upper left (integer). <a href="#ab9e65f8131b4e7faad18d498e7dbde8c">More...</a><br /></td></tr>
<tr class="separator:ab9e65f8131b4e7faad18d498e7dbde8c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b210e51ef78173674cdcb8651ea705e"><td class="memItemLeft" align="right" valign="top"><a id="a1b210e51ef78173674cdcb8651ea705e"></a>
typedef struct <a class="el" href="structSDL__FRect.html">SDL_FRect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a1b210e51ef78173674cdcb8651ea705e">SDL_FRect</a></td></tr>
<tr class="memdesc:a1b210e51ef78173674cdcb8651ea705e"><td class="mdescLeft"> </td><td class="mdescRight">A rectangle, with the origin at the upper left (floating point). <br /></td></tr>
<tr class="separator:a1b210e51ef78173674cdcb8651ea705e"><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:a2f9708f2739ef234c34e6feda50b4d2c"><td class="memItemLeft" align="right" valign="top"><a id="a2f9708f2739ef234c34e6feda50b4d2c"></a>
SDL_FORCE_INLINE SDL_bool </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a2f9708f2739ef234c34e6feda50b4d2c">SDL_PointInRect</a> (const <a class="el" href="structSDL__Point.html">SDL_Point</a> *p, const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *r)</td></tr>
<tr class="memdesc:a2f9708f2739ef234c34e6feda50b4d2c"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if point resides inside a rectangle. <br /></td></tr>
<tr class="separator:a2f9708f2739ef234c34e6feda50b4d2c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aac0e9b5d3f34baec6a2cde95bb01f49c"><td class="memItemLeft" align="right" valign="top"><a id="aac0e9b5d3f34baec6a2cde95bb01f49c"></a>
SDL_FORCE_INLINE SDL_bool </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#aac0e9b5d3f34baec6a2cde95bb01f49c">SDL_RectEmpty</a> (const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *r)</td></tr>
<tr class="memdesc:aac0e9b5d3f34baec6a2cde95bb01f49c"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the rectangle has no area. <br /></td></tr>
<tr class="separator:aac0e9b5d3f34baec6a2cde95bb01f49c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a156979fd3561cf90b87741d11057262a"><td class="memItemLeft" align="right" valign="top"><a id="a156979fd3561cf90b87741d11057262a"></a>
SDL_FORCE_INLINE SDL_bool </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a156979fd3561cf90b87741d11057262a">SDL_RectEquals</a> (const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *a, const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *b)</td></tr>
<tr class="memdesc:a156979fd3561cf90b87741d11057262a"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the two rectangles are equal. <br /></td></tr>
<tr class="separator:a156979fd3561cf90b87741d11057262a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a191ec0b069421d4a36304b475697e847"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a191ec0b069421d4a36304b475697e847">SDL_HasIntersection</a> (const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *A, const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *B)</td></tr>
<tr class="memdesc:a191ec0b069421d4a36304b475697e847"><td class="mdescLeft"> </td><td class="mdescRight">Determine whether two rectangles intersect. <a href="#a191ec0b069421d4a36304b475697e847">More...</a><br /></td></tr>
<tr class="separator:a191ec0b069421d4a36304b475697e847"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aff8e3dd3b1a25443cd7c8cf02a087290"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#aff8e3dd3b1a25443cd7c8cf02a087290">SDL_IntersectRect</a> (const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *A, const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *B, <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *result)</td></tr>
<tr class="memdesc:aff8e3dd3b1a25443cd7c8cf02a087290"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the intersection of two rectangles. <a href="#aff8e3dd3b1a25443cd7c8cf02a087290">More...</a><br /></td></tr>
<tr class="separator:aff8e3dd3b1a25443cd7c8cf02a087290"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a659f2c25335202888408c95195823f9c"><td class="memItemLeft" align="right" valign="top"><a id="a659f2c25335202888408c95195823f9c"></a>
DECLSPEC void SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#a659f2c25335202888408c95195823f9c">SDL_UnionRect</a> (const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *A, const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *B, <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *result)</td></tr>
<tr class="memdesc:a659f2c25335202888408c95195823f9c"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the union of two rectangles. <br /></td></tr>
<tr class="separator:a659f2c25335202888408c95195823f9c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afcbb58dbba760b9e6fdb4b5d1ece015c"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#afcbb58dbba760b9e6fdb4b5d1ece015c">SDL_EnclosePoints</a> (const <a class="el" href="structSDL__Point.html">SDL_Point</a> *points, int count, const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *clip, <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *result)</td></tr>
<tr class="memdesc:afcbb58dbba760b9e6fdb4b5d1ece015c"><td class="mdescLeft"> </td><td class="mdescRight">Calculate a minimal rectangle enclosing a set of points. <a href="#afcbb58dbba760b9e6fdb4b5d1ece015c">More...</a><br /></td></tr>
<tr class="separator:afcbb58dbba760b9e6fdb4b5d1ece015c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acdabdcbeb7b7083f94a092daa26ce069"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__rect_8h.html#acdabdcbeb7b7083f94a092daa26ce069">SDL_IntersectRectAndLine</a> (const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> *rect, int *X1, int *Y1, int *X2, int *Y2)</td></tr>
<tr class="memdesc:acdabdcbeb7b7083f94a092daa26ce069"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the intersection of a rectangle and line segment. <a href="#acdabdcbeb7b7083f94a092daa26ce069">More...</a><br /></td></tr>
<tr class="separator:acdabdcbeb7b7083f94a092daa26ce069"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Header file for SDL_rect definition and management functions. </p>
</div><h2 class="groupheader">Typedef Documentation</h2>
<a id="a758ff5c0cedab26602d42bb8fbd83fef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a758ff5c0cedab26602d42bb8fbd83fef">◆ </a></span>SDL_FPoint</h2>
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<td class="memname">typedef struct <a class="el" href="structSDL__FPoint.html">SDL_FPoint</a> <a class="el" href="structSDL__FPoint.html">SDL_FPoint</a></td>
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</div><div class="memdoc">
<p>The structure that defines a point (floating point) </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="SDL__rect_8h.html#afcbb58dbba760b9e6fdb4b5d1ece015c" title="Calculate a minimal rectangle enclosing a set of points.">SDL_EnclosePoints</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#a2f9708f2739ef234c34e6feda50b4d2c" title="Returns true if point resides inside a rectangle.">SDL_PointInRect</a> </dd></dl>
</div>
</div>
<a id="a61e81ca749549bf3b896e6d09f6c0dad"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a61e81ca749549bf3b896e6d09f6c0dad">◆ </a></span>SDL_Point</h2>
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<td class="memname">typedef struct <a class="el" href="structSDL__Point.html">SDL_Point</a> <a class="el" href="structSDL__Point.html">SDL_Point</a></td>
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<p>The structure that defines a point (integer) </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="SDL__rect_8h.html#afcbb58dbba760b9e6fdb4b5d1ece015c" title="Calculate a minimal rectangle enclosing a set of points.">SDL_EnclosePoints</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#a2f9708f2739ef234c34e6feda50b4d2c" title="Returns true if point resides inside a rectangle.">SDL_PointInRect</a> </dd></dl>
</div>
</div>
<a id="ab9e65f8131b4e7faad18d498e7dbde8c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab9e65f8131b4e7faad18d498e7dbde8c">◆ </a></span>SDL_Rect</h2>
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<td class="memname">typedef struct <a class="el" href="structSDL__Rect.html">SDL_Rect</a> <a class="el" href="structSDL__Rect.html">SDL_Rect</a></td>
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<p>A rectangle, with the origin at the upper left (integer). </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="SDL__rect_8h.html#aac0e9b5d3f34baec6a2cde95bb01f49c" title="Returns true if the rectangle has no area.">SDL_RectEmpty</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#a156979fd3561cf90b87741d11057262a" title="Returns true if the two rectangles are equal.">SDL_RectEquals</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#a191ec0b069421d4a36304b475697e847" title="Determine whether two rectangles intersect.">SDL_HasIntersection</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#aff8e3dd3b1a25443cd7c8cf02a087290" title="Calculate the intersection of two rectangles.">SDL_IntersectRect</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#a659f2c25335202888408c95195823f9c" title="Calculate the union of two rectangles.">SDL_UnionRect</a> </dd>
<dd>
<a class="el" href="SDL__rect_8h.html#afcbb58dbba760b9e6fdb4b5d1ece015c" title="Calculate a minimal rectangle enclosing a set of points.">SDL_EnclosePoints</a> </dd></dl>
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<h2 class="groupheader">Function Documentation</h2>
<a id="afcbb58dbba760b9e6fdb4b5d1ece015c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afcbb58dbba760b9e6fdb4b5d1ece015c">◆ </a></span>SDL_EnclosePoints()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structSDL__Point.html">SDL_Point</a> * </td>
<td class="paramname"><em>points</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>count</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>clip</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>result</em> </td>
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<td>)</td>
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<p>Calculate a minimal rectangle enclosing a set of points. </p>
<dl class="section return"><dt>Returns</dt><dd>SDL_TRUE if any points were within the clipping rect </dd></dl>
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</div>
<a id="a191ec0b069421d4a36304b475697e847"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a191ec0b069421d4a36304b475697e847">◆ </a></span>SDL_HasIntersection()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasIntersection </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>A</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>B</em> </td>
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<td>)</td>
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<p>Determine whether two rectangles intersect. </p>
<dl class="section return"><dt>Returns</dt><dd>SDL_TRUE if there is an intersection, SDL_FALSE otherwise. </dd></dl>
</div>
</div>
<a id="aff8e3dd3b1a25443cd7c8cf02a087290"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aff8e3dd3b1a25443cd7c8cf02a087290">◆ </a></span>SDL_IntersectRect()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_IntersectRect </td>
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<td class="paramtype">const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>A</em>, </td>
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<td class="paramtype">const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>B</em>, </td>
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<td class="paramtype"><a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>result</em> </td>
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<p>Calculate the intersection of two rectangles. </p>
<dl class="section return"><dt>Returns</dt><dd>SDL_TRUE if there is an intersection, SDL_FALSE otherwise. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#acdabdcbeb7b7083f94a092daa26ce069">◆ </a></span>SDL_IntersectRectAndLine()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine </td>
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<td class="paramtype">const <a class="el" href="structSDL__Rect.html">SDL_Rect</a> * </td>
<td class="paramname"><em>rect</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>X1</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>Y1</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>X2</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>Y2</em> </td>
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<p>Calculate the intersection of a rectangle and line segment. </p>
<dl class="section return"><dt>Returns</dt><dd>SDL_TRUE if there is an intersection, SDL_FALSE otherwise. </dd></dl>
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