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<div class="title">SDL_rect.h</div> </div>
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<div class="contents">
<a href="SDL__rect_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Simple DirectMedia Layer</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> This software is provided 'as-is', without any express or implied</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> warranty. In no event will the authors be held liable for any damages</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> arising from the use of this software.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> Permission is granted to anyone to use this software for any purpose,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> including commercial applications, and to alter it and redistribute it</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> freely, subject to the following restrictions:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> 1. The origin of this software must not be misrepresented; you must not</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> claim that you wrote the original software. If you use this software</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> in a product, an acknowledgment in the product documentation would be</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> appreciated but is not required.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> 2. Altered source versions must be plainly marked as such, and must not be</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> misrepresented as being the original software.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> 3. This notice may not be removed or altered from any source distribution.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef _SDL_rect_h</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define _SDL_rect_h</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="SDL__stdinc_8h.html">SDL_stdinc.h</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="SDL__error_8h.html">SDL_error.h</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="SDL__pixels_8h.html">SDL_pixels.h</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="SDL__rwops_8h.html">SDL_rwops.h</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="begin__code_8h.html">begin_code.h</a>"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/* Set up for C function definitions, even when using C++ */</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structSDL__Point.html"> 47</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structSDL__Point.html">SDL_Point</a></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">int</span> x;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">int</span> y;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> } <a class="code" href="SDL__rect_8h.html#a61e81ca749549bf3b896e6d09f6c0dad">SDL_Point</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structSDL__Rect.html"> 63</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structSDL__Rect.html">SDL_Rect</a></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span> x, y;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">int</span> w, h;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> } <a class="code" href="SDL__rect_8h.html#ab9e65f8131b4e7faad18d498e7dbde8c">SDL_Rect</a>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="SDL__rect_8h.html#aac0e9b5d3f34baec6a2cde95bb01f49c"> 72</a></span> SDL_FORCE_INLINE SDL_bool <a class="code" href="SDL__rect_8h.html#aac0e9b5d3f34baec6a2cde95bb01f49c">SDL_RectEmpty</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> *r)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> ((!r) || (r->w <= 0) || (r->h <= 0)) ? SDL_TRUE : SDL_FALSE;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="SDL__rect_8h.html#a156979fd3561cf90b87741d11057262a"> 80</a></span> SDL_FORCE_INLINE SDL_bool <a class="code" href="SDL__rect_8h.html#a156979fd3561cf90b87741d11057262a">SDL_RectEquals</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> *a, <span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> *b)</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> (a && b && (a->x == b->x) && (a->y == b->y) &&</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  (a->w == b->w) && (a->h == b->h)) ? SDL_TRUE : SDL_FALSE;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">extern</span> DECLSPEC SDL_bool SDLCALL <a class="code" href="SDL__rect_8h.html#a191ec0b069421d4a36304b475697e847">SDL_HasIntersection</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * A,</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * B);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">extern</span> DECLSPEC SDL_bool SDLCALL <a class="code" href="SDL__rect_8h.html#aff8e3dd3b1a25443cd7c8cf02a087290">SDL_IntersectRect</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * A,</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * B,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * result);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">extern</span> DECLSPEC <span class="keywordtype">void</span> SDLCALL <a class="code" href="SDL__rect_8h.html#a659f2c25335202888408c95195823f9c">SDL_UnionRect</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * A,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * B,</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * result);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">extern</span> DECLSPEC SDL_bool SDLCALL <a class="code" href="SDL__rect_8h.html#afcbb58dbba760b9e6fdb4b5d1ece015c">SDL_EnclosePoints</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Point.html">SDL_Point</a> * points,</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">int</span> count,</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * clip,</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="structSDL__Rect.html">SDL_Rect</a> * result);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">extern</span> DECLSPEC SDL_bool SDLCALL <a class="code" href="SDL__rect_8h.html#acdabdcbeb7b7083f94a092daa26ce069">SDL_IntersectRectAndLine</a>(<span class="keyword">const</span> <a class="code" href="structSDL__Rect.html">SDL_Rect</a> *</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  rect, <span class="keywordtype">int</span> *X1,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> *Y1, <span class="keywordtype">int</span> *X2,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">int</span> *Y2);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/* Ends C function definitions when using C++ */</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#include "<a class="code" href="close__code_8h.html">close_code.h</a>"</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#endif </span><span class="comment">/* _SDL_rect_h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">/* vi: set ts=4 sw=4 expandtab: */</span></div>
<div class="ttc" id="SDL__rect_8h_html_aff8e3dd3b1a25443cd7c8cf02a087290"><div class="ttname"><a href="SDL__rect_8h.html#aff8e3dd3b1a25443cd7c8cf02a087290">SDL_IntersectRect</a></div><div class="ttdeci">DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect *A, const SDL_Rect *B, SDL_Rect *result)</div><div class="ttdoc">Calculate the intersection of two rectangles. </div></div>
<div class="ttc" id="SDL__rect_8h_html_a61e81ca749549bf3b896e6d09f6c0dad"><div class="ttname"><a href="SDL__rect_8h.html#a61e81ca749549bf3b896e6d09f6c0dad">SDL_Point</a></div><div class="ttdeci">struct SDL_Point SDL_Point</div><div class="ttdoc">The structure that defines a point. </div></div>
<div class="ttc" id="SDL__rect_8h_html_a156979fd3561cf90b87741d11057262a"><div class="ttname"><a href="SDL__rect_8h.html#a156979fd3561cf90b87741d11057262a">SDL_RectEquals</a></div><div class="ttdeci">SDL_FORCE_INLINE SDL_bool SDL_RectEquals(const SDL_Rect *a, const SDL_Rect *b)</div><div class="ttdoc">Returns true if the two rectangles are equal. </div><div class="ttdef"><b>Definition:</b> SDL_rect.h:80</div></div>
<div class="ttc" id="begin__code_8h_html"><div class="ttname"><a href="begin__code_8h.html">begin_code.h</a></div></div>
<div class="ttc" id="structSDL__Rect_html"><div class="ttname"><a href="structSDL__Rect.html">SDL_Rect</a></div><div class="ttdoc">A rectangle, with the origin at the upper left. </div><div class="ttdef"><b>Definition:</b> SDL_rect.h:63</div></div>
<div class="ttc" id="SDL__rwops_8h_html"><div class="ttname"><a href="SDL__rwops_8h.html">SDL_rwops.h</a></div></div>
<div class="ttc" id="SDL__rect_8h_html_ab9e65f8131b4e7faad18d498e7dbde8c"><div class="ttname"><a href="SDL__rect_8h.html#ab9e65f8131b4e7faad18d498e7dbde8c">SDL_Rect</a></div><div class="ttdeci">struct SDL_Rect SDL_Rect</div><div class="ttdoc">A rectangle, with the origin at the upper left. </div></div>
<div class="ttc" id="SDL__stdinc_8h_html"><div class="ttname"><a href="SDL__stdinc_8h.html">SDL_stdinc.h</a></div></div>
<div class="ttc" id="SDL__rect_8h_html_aac0e9b5d3f34baec6a2cde95bb01f49c"><div class="ttname"><a href="SDL__rect_8h.html#aac0e9b5d3f34baec6a2cde95bb01f49c">SDL_RectEmpty</a></div><div class="ttdeci">SDL_FORCE_INLINE SDL_bool SDL_RectEmpty(const SDL_Rect *r)</div><div class="ttdoc">Returns true if the rectangle has no area. </div><div class="ttdef"><b>Definition:</b> SDL_rect.h:72</div></div>
<div class="ttc" id="close__code_8h_html"><div class="ttname"><a href="close__code_8h.html">close_code.h</a></div></div>
<div class="ttc" id="SDL__error_8h_html"><div class="ttname"><a href="SDL__error_8h.html">SDL_error.h</a></div></div>
<div class="ttc" id="SDL__pixels_8h_html"><div class="ttname"><a href="SDL__pixels_8h.html">SDL_pixels.h</a></div></div>
<div class="ttc" id="structSDL__Point_html"><div class="ttname"><a href="structSDL__Point.html">SDL_Point</a></div><div class="ttdoc">The structure that defines a point. </div><div class="ttdef"><b>Definition:</b> SDL_rect.h:47</div></div>
<div class="ttc" id="SDL__rect_8h_html_a659f2c25335202888408c95195823f9c"><div class="ttname"><a href="SDL__rect_8h.html#a659f2c25335202888408c95195823f9c">SDL_UnionRect</a></div><div class="ttdeci">DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect *A, const SDL_Rect *B, SDL_Rect *result)</div><div class="ttdoc">Calculate the union of two rectangles. </div></div>
<div class="ttc" id="SDL__rect_8h_html_a191ec0b069421d4a36304b475697e847"><div class="ttname"><a href="SDL__rect_8h.html#a191ec0b069421d4a36304b475697e847">SDL_HasIntersection</a></div><div class="ttdeci">DECLSPEC SDL_bool SDLCALL SDL_HasIntersection(const SDL_Rect *A, const SDL_Rect *B)</div><div class="ttdoc">Determine whether two rectangles intersect. </div></div>
<div class="ttc" id="SDL__rect_8h_html_afcbb58dbba760b9e6fdb4b5d1ece015c"><div class="ttname"><a href="SDL__rect_8h.html#afcbb58dbba760b9e6fdb4b5d1ece015c">SDL_EnclosePoints</a></div><div class="ttdeci">DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints(const SDL_Point *points, int count, const SDL_Rect *clip, SDL_Rect *result)</div><div class="ttdoc">Calculate a minimal rectangle enclosing a set of points. </div></div>
<div class="ttc" id="SDL__rect_8h_html_acdabdcbeb7b7083f94a092daa26ce069"><div class="ttname"><a href="SDL__rect_8h.html#acdabdcbeb7b7083f94a092daa26ce069">SDL_IntersectRectAndLine</a></div><div class="ttdeci">DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine(const SDL_Rect *rect, int *X1, int *Y1, int *X2, int *Y2)</div><div class="ttdoc">Calculate the intersection of a rectangle and line segment. </div></div>
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distrib
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Mageia
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5
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i586
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media
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core-release
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by-pkgid
>
7281b619e6b612f5388cfad6b0e56530
>
files
>
80
