1 /* |
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2 * LDForge: LDraw parts authoring CAD |
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3 * Copyright (C) 2013, 2014 Santeri Piippo |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 |
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19 #ifndef LDFORGE_MISC_H |
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20 #define LDFORGE_MISC_H |
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21 |
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22 #include <QVector> |
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23 #include "config.h" |
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24 #include "main.h" |
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25 #include "types.h" |
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26 |
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27 #define NUM_PRIMES 500 |
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28 |
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29 class LDDocument; |
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30 class QColor; |
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31 class QAction; |
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32 |
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33 // Prime numbers |
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34 extern const int g_primes[NUM_PRIMES]; |
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35 |
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36 // Returns whether a given string represents a floating point number. |
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37 bool numeric (const QString& tok); |
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38 |
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39 // Simplifies the given fraction. |
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40 void simplify (int& numer, int& denom); |
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41 |
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42 void roundToDecimals (double& a, int decimals); |
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43 |
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44 QString join (initlist<StringFormatArg> vals, QString delim = " "); |
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45 |
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46 // Grid stuff |
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47 struct gridinfo |
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48 { |
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49 const char* const name; |
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50 float* const confs[4]; |
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51 }; |
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52 |
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53 extern_cfg (Int, grid); |
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54 static const int g_NumGrids = 3; |
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55 extern const gridinfo g_GridInfo[3]; |
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56 |
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57 inline const gridinfo& currentGrid() |
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58 { |
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59 return g_GridInfo[grid]; |
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60 } |
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61 |
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62 // ============================================================================= |
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63 enum ERotationPoint |
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64 { |
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65 EObjectOrigin, |
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66 EWorldOrigin, |
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67 ECustomPoint |
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68 }; |
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69 |
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70 Vertex rotPoint (const LDObjectList& objs); |
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71 void configRotationPoint(); |
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72 |
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73 // ============================================================================= |
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74 namespace Grid |
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75 { |
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76 enum Type |
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77 { |
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78 Coarse, |
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79 Medium, |
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80 Fine |
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81 }; |
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82 |
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83 enum Config |
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84 { |
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85 X, |
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86 Y, |
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87 Z, |
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88 Angle |
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89 }; |
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90 |
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91 double snap (double value, const Grid::Config axis); |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // Plural expression |
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96 template<class T> static inline const char* plural (T n) |
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97 { |
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98 return (n != 1) ? "s" : ""; |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // Templated clamp |
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103 template<class T> static inline T clamp (T a, T min, T max) |
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104 { |
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105 return (a > max) ? max : (a < min) ? min : a; |
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106 } |
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107 |
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108 // Templated minimum |
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109 template<class T> static inline T min (T a, T b) |
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110 { |
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111 return (a < b) ? a : b; |
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112 } |
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113 |
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114 // Templated maximum |
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115 template<class T> static inline T max (T a, T b) |
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116 { |
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117 return (a > b) ? a : b; |
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118 } |
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119 |
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120 // Templated absolute value |
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121 template<class T> static inline T abs (T a) |
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122 { |
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123 return (a >= 0) ? a : -a; |
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124 } |
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125 |
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126 template<class T> inline bool isZero (T a) |
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127 { |
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128 return abs<T> (a) < 0.0001; |
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129 } |
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130 |
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131 template<class T> inline bool isInteger (T a) |
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132 { |
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133 return isZero (a - (int) a); |
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134 } |
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135 |
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136 template<class T> void removeDuplicates (QList<T>& a) |
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137 { |
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138 std::sort (a.begin(), a.end()); |
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139 a.erase (std::unique (a.begin(), a.end()), a.end()); |
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140 } |
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141 |
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142 #endif // LDFORGE_MISC_H |
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