1 /*      _______   __   __   __   ______   __   __   _______   __   __
2  *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
3  *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
4  *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
5  *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
6  * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
7  * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
8  *
9  * Copyright (c) 2004 - 2008 Olof Naess�n and Per Larsson
10  *
11  *
12  * Per Larsson a.k.a finalman
13  * Olof Naess�n a.k.a jansem/yakslem
14  *
15  * Visit: http://guichan.sourceforge.net
16  *
17  * License: (BSD)
18  * Redistribution and use in source and binary forms, with or without
19  * modification, are permitted provided that the following conditions
20  * are met:
21  * 1. Redistributions of source code must retain the above copyright
22  *    notice, this list of conditions and the following disclaimer.
23  * 2. Redistributions in binary form must reproduce the above copyright
24  *    notice, this list of conditions and the following disclaimer in
25  *    the documentation and/or other materials provided with the
26  *    distribution.
27  * 3. Neither the name of Guichan nor the names of its contributors may
28  *    be used to endorse or promote products derived from this software
29  *    without specific prior written permission.
30  *
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
37  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
38  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42  */
43 
44 /*
45  * For comments regarding functions please see the header file.
46  */
47 
48 #include "guichan/color.hpp"
49 
50 namespace gcn
51 {
Color()52     Color::Color()
53         : r(0),
54           g(0),
55           b(0),
56           a(255)
57     {
58     }
59 
Color(int color)60     Color::Color(int color)
61       : r( (color >> 16) & 0xFF),
62         g( (color >>  8) & 0xFF),
63         b(  color        & 0xFF),
64         a(255)
65     {
66     }
67 
Color(int ar,int ag,int ab,int aa)68     Color::Color(int ar, int ag, int ab, int aa)
69         : r(ar),
70           g(ag),
71           b(ab),
72           a(aa)
73     {
74     }
75 
operator +(const Color & color) const76     Color Color::operator+(const Color& color) const
77     {
78         Color result(r + color.r,
79                      g + color.g,
80                      b + color.b,
81                      255);
82 
83         result.r = (result.r>255?255:(result.r<0?0:result.r));
84         result.g = (result.g>255?255:(result.g<0?0:result.g));
85         result.b = (result.b>255?255:(result.b<0?0:result.b));
86 
87         return result;
88     }
89 
operator -(const Color & color) const90     Color Color::operator-(const Color& color) const
91     {
92         Color result(r - color.r,
93                      g - color.g,
94                      b - color.b,
95                      255);
96 
97         result.r = (result.r>255?255:(result.r<0?0:result.r));
98         result.g = (result.g>255?255:(result.g<0?0:result.g));
99         result.b = (result.b>255?255:(result.b<0?0:result.b));
100 
101         return result;
102     }
103 
operator *(float value) const104     Color Color::operator*(float value) const
105     {
106         Color result((int)(r * value),
107                      (int)(g * value),
108                      (int)(b * value),
109                      a);
110 
111         result.r = (result.r>255?255:(result.r<0?0:result.r));
112         result.g = (result.g>255?255:(result.g<0?0:result.g));
113         result.b = (result.b>255?255:(result.b<0?0:result.b));
114 
115         return result;
116     }
117 
operator ==(const Color & color) const118     bool Color::operator==(const Color& color) const
119     {
120         return r == color.r && g == color.g && b == color.b && a == color.a;
121     }
122 
operator !=(const Color & color) const123     bool Color::operator!=(const Color& color) const
124     {
125         return !(r == color.r && g == color.g && b == color.b && a == color.a);
126     }
127 
operator <<(std::ostream & out,const Color & color)128 	std::ostream& operator<<(std::ostream& out,
129                              const Color& color)
130     {
131         out << "Color [r = "
132             << color.r
133             << ", g = "
134             << color.g
135             << ", b = "
136             << color.b
137             << ", a = "
138             << color.a
139             << "]";
140 
141         return out;
142     }
143 }
144