comparison ext/guichan-0.8.1/src/color.cpp @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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-1:000000000000 0:4a0efb7baf70
1 /* _______ __ __ __ ______ __ __ _______ __ __
2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
8 *
9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
10 *
11 *
12 * Per Larsson a.k.a finalman
13 * Olof Naessén 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 {
52 Color::Color()
53 : r(0),
54 g(0),
55 b(0),
56 a(255)
57 {
58 }
59
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
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
76 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
90 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
104 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
118 bool Color::operator==(const Color& color) const
119 {
120 return r == color.r && g == color.g && b == color.b && a == color.a;
121 }
122
123 bool Color::operator!=(const Color& color) const
124 {
125 return !(r == color.r && g == color.g && b == color.b && a == color.a);
126 }
127
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 }