1 /*
2  * Copyright 2014, 2016 Peter Olsson
3  *
4  * This file is part of Brum Brum Rally.
5  *
6  * Brum Brum Rally is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Brum Brum Rally is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef DCOLOR_H
21 #define DCOLOR_H
22 
23 #include "SDL.h"
24 #include <cstddef>
25 
26 struct DColor
27 {
28 	double r;
29 	double g;
30 	double b;
31 };
32 
33 struct Scale32
34 {
35 	typedef Uint32 PixelType;
36 	static const std::size_t  pixelSize = 1;
readColorsScale3237 	static inline void readColors(const Uint32* src, DColor& c)
38 	{
39 		Uint32 p = *(src);
40 		c.r = (p & 0xFF0000) >> 16;
41 		c.g = (p & 0x00FF00) >> 8;
42 		c.b = (p & 0x0000FF);
43 	}
writeColorsScale3244 	static inline void writeColors(Uint32* dst, const DColor& c)
45 	{
46 		*dst = (int(c.r) << 16) | (int(c.g) << 8) | int(c.b);
47 	}
48 };
49 
50 struct Scale24
51 {
52 	typedef Uint8 PixelType;
53 	static const std::size_t pixelSize = 3;
readColorsScale2454 	static inline void readColors(const Uint8* src, DColor& c)
55 	{
56 		c.r = src[0];
57 		c.g = src[1];
58 		c.b = src[2];
59 	}
60 
writeColorsScale2461 	static inline void writeColors(Uint8* dst, const DColor& c)
62 	{
63 		dst[0] = c.r;
64 		dst[1] = c.g;
65 		dst[2] = c.b;
66 	}
67 };
68 
69 #endif
70