comparison: src/miscallenous.h
src/miscallenous.h
- changeset 655
- b376645315ab
- child 733
- cc39df788660
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| 654:a74f2ff353b8 | 655:b376645315ab |
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| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Santeri 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 <QVector> | |
| 21 #include "configuration.h" | |
| 22 #include "main.h" | |
| 23 #include "basics.h" | |
| 24 | |
| 25 #define NUM_PRIMES 500 | |
| 26 | |
| 27 class LDDocument; | |
| 28 class QColor; | |
| 29 class QAction; | |
| 30 | |
| 31 // Prime numbers | |
| 32 extern const int g_primes[NUM_PRIMES]; | |
| 33 | |
| 34 // Returns whether a given string represents a floating point number. | |
| 35 bool numeric (const QString& tok); | |
| 36 | |
| 37 // Simplifies the given fraction. | |
| 38 void simplify (int& numer, int& denom); | |
| 39 | |
| 40 void roundToDecimals (double& a, int decimals); | |
| 41 | |
| 42 QString join (QList< StringFormatArg > vals, QString delim = " "); | |
| 43 | |
| 44 // Grid stuff | |
| 45 struct gridinfo | |
| 46 { | |
| 47 const char* const name; | |
| 48 float* const confs[4]; | |
| 49 }; | |
| 50 | |
| 51 extern_cfg (Int, grid); | |
| 52 static const int g_NumGrids = 3; | |
| 53 extern const gridinfo g_GridInfo[3]; | |
| 54 | |
| 55 inline const gridinfo& currentGrid() | |
| 56 { | |
| 57 return g_GridInfo[grid]; | |
| 58 } | |
| 59 | |
| 60 // ============================================================================= | |
| 61 enum ERotationPoint | |
| 62 { | |
| 63 EObjectOrigin, | |
| 64 EWorldOrigin, | |
| 65 ECustomPoint | |
| 66 }; | |
| 67 | |
| 68 Vertex rotPoint (const LDObjectList& objs); | |
| 69 void configRotationPoint(); | |
| 70 | |
| 71 // ============================================================================= | |
| 72 namespace Grid | |
| 73 { | |
| 74 enum Type | |
| 75 { | |
| 76 Coarse, | |
| 77 Medium, | |
| 78 Fine | |
| 79 }; | |
| 80 | |
| 81 enum Config | |
| 82 { | |
| 83 X, | |
| 84 Y, | |
| 85 Z, | |
| 86 Angle | |
| 87 }; | |
| 88 | |
| 89 double snap (double value, const Grid::Config axis); | |
| 90 } | |
| 91 | |
| 92 // ============================================================================= | |
| 93 // Plural expression | |
| 94 template<class T> static inline const char* plural (T n) | |
| 95 { | |
| 96 return (n != 1) ? "s" : ""; | |
| 97 } | |
| 98 | |
| 99 // ============================================================================= | |
| 100 // Templated clamp | |
| 101 template<class T> static inline T clamp (T a, T min, T max) | |
| 102 { | |
| 103 return (a > max) ? max : (a < min) ? min : a; | |
| 104 } | |
| 105 | |
| 106 // Templated minimum | |
| 107 template<class T> static inline T min (T a, T b) | |
| 108 { | |
| 109 return (a < b) ? a : b; | |
| 110 } | |
| 111 | |
| 112 // Templated maximum | |
| 113 template<class T> static inline T max (T a, T b) | |
| 114 { | |
| 115 return (a > b) ? a : b; | |
| 116 } | |
| 117 | |
| 118 // Templated absolute value | |
| 119 template<class T> static inline T abs (T a) | |
| 120 { | |
| 121 return (a >= 0) ? a : -a; | |
| 122 } | |
| 123 | |
| 124 template<class T> inline bool isZero (T a) | |
| 125 { | |
| 126 return abs<T> (a) < 0.0001; | |
| 127 } | |
| 128 | |
| 129 template<class T> inline bool isInteger (T a) | |
| 130 { | |
| 131 return isZero (a - (int) a); | |
| 132 } | |
| 133 | |
| 134 template<class T> void removeDuplicates (QList<T>& a) | |
| 135 { | |
| 136 std::sort (a.begin(), a.end()); | |
| 137 a.erase (std::unique (a.begin(), a.end()), a.end()); | |
| 138 } |
