1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// (c) Dean McNamee <dean@gmail.com>, 2012.
// C++ port by Mapbox, Konstantin Käfer <mail@kkaefer.com>, 2014-2017.
//
// https://github.com/deanm/css-color-parser-js
// https://github.com/kkaefer/css-color-parser-cpp
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef CSS_COLOR_PARSER_CPP
#define CSS_COLOR_PARSER_CPP
#include <mbgl/util/optional.hpp>
#include <string>
#include <cmath>
namespace CSSColorParser {
struct Color {
inline Color() {
}
inline Color(unsigned char r_, unsigned char g_, unsigned char b_, float a_)
: r(r_), g(g_), b(b_), a(a_ > 1 ? 1 : a_ < 0 ? 0 : a_) {
}
unsigned char r = 0, g = 0, b = 0;
float a = 1.0f;
};
inline bool operator==(const Color& lhs, const Color& rhs) {
return lhs.r == rhs.r && lhs.g == rhs.g && lhs.b == rhs.b && ::fabs(lhs.a - rhs.a) < 0.0001f;
}
inline bool operator!=(const Color& lhs, const Color& rhs) {
return !(lhs == rhs);
}
mbgl::optional<Color> parse(const std::string& css_str);
} // namespace CSSColorParser
#endif
|
