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<div class="title">Rect.inl</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// SFML - Simple and Fast Multimedia Library</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2007-2012 Laurent Gomila (laurent.gom@gmail.com)</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This software is provided 'as-is', without any express or implied warranty.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// In no event will the authors be held liable for any damages 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 freely,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// 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;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// you must not claim that you wrote the original software.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// If you use this software in a product, an acknowledgment</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// in the product documentation would be appreciated but is not required.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">//</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 2. Altered source versions must be plainly marked as such,</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// and must not be misrepresented as being the original software.</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> <span class="comment">// 3. This notice may not be removed or altered from any source distribution.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">//</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> Rect<T>::Rect() :</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> left (0),</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> top (0),</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> width (0),</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> height(0)</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</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> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> Rect<T>::Rect(T rectLeft, T rectTop, T rectWidth, T rectHeight) :</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> left (rectLeft),</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> top (rectTop),</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> width (rectWidth),</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> height(rectHeight)</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</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> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> Rect<T>::Rect(<span class="keyword">const</span> Vector2<T>& position, <span class="keyword">const</span> Vector2<T>& size) :</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> left (position.x),</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> top (position.y),</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> width (size.x),</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> height(size.y)</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">template</span> <<span class="keyword">typename</span> U></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> Rect<T>::Rect(<span class="keyword">const</span> Rect<U>& rectangle) :</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> left (static_cast<T>(rectangle.left)),</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> top (static_cast<T>(rectangle.top)),</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> width (static_cast<T>(rectangle.width)),</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> height(static_cast<T>(rectangle.height))</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">bool</span> Rect<T>::contains(T x, T y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// Rectangles with negative dimensions are allowed, so we must handle them correctly</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// Compute the real min and max of the rectangle on both axes</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> T minX = std::min(left, left + width);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> T maxX = std::max(left, left + width);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> T minY = std::min(top, top + height);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> T maxY = std::max(top, top + height);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">return</span> (x >= minX) && (x < maxX) && (y >= minY) && (y < maxY);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keywordtype">bool</span> Rect<T>::contains(<span class="keyword">const</span> Vector2<T>& point)<span class="keyword"> const</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> contains(point.x, point.y);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">bool</span> Rect<T>::intersects(<span class="keyword">const</span> Rect<T>& rectangle)<span class="keyword"> const</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> Rect<T> intersection;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> intersects(rectangle, intersection);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keywordtype">bool</span> Rect<T>::intersects(<span class="keyword">const</span> Rect<T>& rectangle, Rect<T>& intersection)<span class="keyword"> const</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// Rectangles with negative dimensions are allowed, so we must handle them correctly</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// Compute the min and max of the first rectangle on both axes</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> T r1MinX = std::min(left, left + width);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> T r1MaxX = std::max(left, left + width);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> T r1MinY = std::min(top, top + height);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> T r1MaxY = std::max(top, top + height);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// Compute the min and max of the second rectangle on both axes</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> T r2MinX = std::min(rectangle.left, rectangle.left + rectangle.width);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> T r2MaxX = std::max(rectangle.left, rectangle.left + rectangle.width);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> T r2MinY = std::min(rectangle.top, rectangle.top + rectangle.height);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> T r2MaxY = std::max(rectangle.top, rectangle.top + rectangle.height);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Compute the intersection boundaries</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> T interLeft = std::max(r1MinX, r2MinX);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> T interTop = std::max(r1MinY, r2MinY);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> T interRight = std::min(r1MaxX, r2MaxX);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> T interBottom = std::min(r1MaxY, r2MaxY);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// If the intersection is valid (positive non zero area), then there is an intersection</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">if</span> ((interLeft < interRight) && (interTop < interBottom))</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> intersection = Rect<T>(interLeft, interTop, interRight - interLeft, interBottom - interTop);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">else</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> intersection = Rect<T>(0, 0, 0, 0);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1Color.htm#a2adc3f68860f7aa5e4d7c79dcbb31d30" title="Overload of the == operator.">operator ==</a>(<span class="keyword">const</span> Rect<T>& left, <span class="keyword">const</span> Rect<T>& right)</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">return</span> (left.left == right.left) && (left.width == right.width) &&</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> (left.top == right.top) && (left.height == right.height);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classsf_1_1Color.htm#a394c3495753c4b17f9cd45556ef00b8c" title="Overload of the != operator.">operator !=</a>(<span class="keyword">const</span> Rect<T>& left, <span class="keyword">const</span> Rect<T>& right)</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">return</span> !(left == right);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
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