Mon, 23 Sep 2019 14:06:36 +0300
added regular expressions for the parser
3 | 1 | /* |
2 | * LDForge: LDraw parts authoring CAD | |
3 | * Copyright (C) 2019 Teemu Piippo | |
4 | * | |
5 | * This program is free software: you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 3 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #pragma once | |
20 | #include <cstdio> | |
21 | #include <cstdlib> | |
22 | #include <cmath> | |
23 | #include <QMatrix4x4> | |
24 | #include <QObject> | |
25 | #include <QPointF> | |
26 | #include <QSet> | |
27 | #include <QString> | |
28 | #include <QStringList> | |
29 | #include <QVariant> | |
30 | #include <QVector> | |
31 | #include <QVector3D> | |
32 | ||
33 | using GLRotationMatrix = QMatrix4x4; | |
34 | ||
35 | enum Axis | |
36 | { | |
37 | X, | |
38 | Y, | |
39 | Z | |
40 | }; | |
41 | ||
42 | enum Winding | |
43 | { | |
44 | NoWinding, | |
45 | CounterClockwise, | |
46 | Clockwise, | |
47 | }; | |
48 | ||
49 | /* | |
50 | * Special operator definition that implements the XOR operator for windings. | |
51 | * However, if either winding is NoWinding, then this function returns NoWinding. | |
52 | */ | |
53 | inline Winding operator^(Winding one, Winding other) | |
54 | { | |
55 | if (one == NoWinding or other == NoWinding) | |
56 | return NoWinding; | |
57 | else | |
58 | return static_cast<Winding>(static_cast<int>(one) ^ static_cast<int>(other)); | |
59 | } | |
60 | ||
61 | inline Winding& operator^=(Winding& one, Winding other) | |
62 | { | |
63 | one = one ^ other; | |
64 | return one; | |
65 | } | |
66 | ||
67 | template<typename T, std::size_t N> | |
68 | constexpr std::size_t countof(T(&)[N]) | |
69 | { | |
70 | return N; | |
71 | } | |
72 | ||
73 | static constexpr long double pi = M_PIl; | |
74 | ||
75 | // http://stackoverflow.com/a/18204188/3629665 | |
76 | template<typename T> | |
77 | inline auto rotl10(T x) | |
78 | -> std::enable_if_t<std::is_arithmetic_v<T>, T> | |
79 | { | |
80 | return (x << 10) | ((x >> 22) & 0x000000ff); | |
81 | } | |
82 | ||
83 | template<typename T> | |
84 | inline auto rotl20(T x) | |
85 | -> std::enable_if_t<std::is_arithmetic_v<T>, T> | |
86 | { | |
87 | return (x << 20) | ((x >> 12) & 0x000000ff); | |
88 | } |