Sun, 05 Mar 2017 16:47:52 +0200
Moved LDObject lifetime management from Model to ResourceVector. This is a large refactor that removes some hacks from the Model class.
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1 | /* |
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2 | * LDForge: LDraw parts authoring CAD |
1072 | 3 | * Copyright (C) 2013 - 2017 Teemu 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 | #pragma once |
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20 | #include <type_traits> |
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21 | #include "../main.h" |
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22 | #include "../basics.h" |
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23 | #include "../glShared.h" |
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24 | #include "../colors.h" |
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25 | #include "../types/resourcevector.h" |
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26 | |
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Major overhaul of object→document relationship: added the Model class which models the object buffer. Each object is to be included in a model (an invariant that currently does not hold). A document is a subclass of a model. The LDObject is also now agnostic about selection, and the selection is now a set. A lot of things are probably broken now but it's a major step forward.
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27 | class Model; |
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28 | class LDDocument; |
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29 | |
1138 | 30 | /* |
31 | * Object type codes. | |
32 | */ | |
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33 | enum class LDObjectType |
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34 | { |
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35 | SubfileReference, // Object represents a sub-file reference |
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36 | Quadrilateral, // Object represents a quadrilateral |
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37 | Triangle, // Object represents a triangle |
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38 | EdgeLine, // Object represents a line |
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39 | ConditionalEdge, // Object represents a conditional line |
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40 | Bfc, // Object represents a BFC statement |
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41 | Comment, // Object represents a comment |
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42 | Error, // Object is the result of failed parsing |
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43 | Empty, // Object represents an empty line |
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44 | BezierCurve, // Object represents a Bézier curve |
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45 | _End |
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46 | }; |
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47 | |
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48 | MAKE_ITERABLE_ENUM(LDObjectType) |
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49 | |
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50 | inline int qHash(LDObjectType type) |
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51 | { |
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52 | return qHash(static_cast<int>(type)); |
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53 | } |
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54 | |
1138 | 55 | /* |
56 | * Represents one line of code in an LDraw model file. | |
57 | */ | |
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Major overhaul of object→document relationship: added the Model class which models the object buffer. Each object is to be included in a model (an invariant that currently does not hold). A document is a subclass of a model. The LDObject is also now agnostic about selection, and the selection is now a set. A lot of things are probably broken now but it's a major step forward.
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58 | class LDObject : public QObject |
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59 | { |
1138 | 60 | Q_OBJECT |
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61 | |
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62 | public: |
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63 | virtual QString asText() const = 0; // This object as LDraw code |
1138 | 64 | LDColor color() const; |
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65 | virtual LDColor defaultColor() const; // What color does the object default to? |
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66 | Model* model() const; |
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67 | LDPolygon* getPolygon(); |
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68 | virtual void getVertices (QSet<Vertex>& verts) const; |
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69 | virtual bool hasMatrix() const; // Does this object have a matrix and position? (see LDMatrixObject) |
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70 | qint32 id() const; |
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71 | virtual void invert(); // Inverts this object (winding is reversed) |
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72 | virtual bool isColored() const; |
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73 | bool isHidden() const; |
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74 | virtual bool isScemantic() const; // Does this object have meaning in the part model? |
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75 | bool isSelected() const; |
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76 | int lineNumber() const; |
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77 | void move (Vertex vect); |
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78 | LDObject* next() const; |
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79 | virtual int numVertices() const; |
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80 | virtual QString objectListText() const; |
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81 | LDObject* previous() const; |
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82 | bool previousIsInvertnext(class LDBfc*& ptr); |
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83 | QColor randomColor() const; |
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84 | void setColor (LDColor color); |
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85 | void setHidden (bool value); |
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86 | void setVertex (int i, const Vertex& vert); |
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87 | void swap (LDObject* other); |
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88 | virtual int triangleCount() const; |
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89 | virtual LDObjectType type() const = 0; |
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90 | virtual QString typeName() const = 0; |
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91 | const Vertex& vertex (int i) const; |
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92 | |
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93 | static LDObject* fromID(qint32 id); |
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94 | |
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95 | signals: |
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96 | void codeChanged(QString before, QString after); |
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97 | |
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98 | protected: |
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99 | friend class ResourceVector<LDObject>; |
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100 | friend class Model; |
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101 | |
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102 | LDObject (Model* model = nullptr); |
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103 | virtual ~LDObject(); |
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104 | void setDocument(Model* model); |
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105 | |
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106 | template<typename T> |
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107 | void changeProperty(T* property, const T& value); |
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108 | |
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109 | private: |
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110 | bool m_isHidden; |
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111 | bool m_isSelected; |
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112 | Model* _model; |
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113 | qint32 m_id; |
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114 | LDColor m_color; |
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115 | QColor m_randomColor; |
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116 | Vertex m_coords[4]; |
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117 | }; |
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118 | |
1138 | 119 | /* |
120 | * Base class for objects with matrices. | |
121 | */ | |
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122 | class LDMatrixObject : public LDObject |
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123 | { |
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124 | Vertex m_position; |
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125 | |
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126 | public: |
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127 | const Vertex& position() const; |
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128 | void setCoordinate (const Axis ax, double value); |
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129 | void setPosition (const Vertex& a); |
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130 | void setTransformationMatrix (const Matrix& value); |
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131 | const Matrix& transformationMatrix() const; |
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132 | |
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133 | protected: |
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134 | LDMatrixObject (Model* model = nullptr); |
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135 | LDMatrixObject (const Matrix& transformationMatrix, const Vertex& pos, Model* model = nullptr); |
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136 | |
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137 | private: |
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138 | Matrix m_transformationMatrix; |
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139 | }; |
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140 | |
1138 | 141 | /* |
142 | * Represents a line in the LDraw file that could not be properly parsed. | |
143 | */ | |
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144 | class LDError : public LDObject |
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145 | { |
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146 | public: |
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147 | static constexpr LDObjectType SubclassType = LDObjectType::Error; |
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148 | |
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149 | virtual LDObjectType type() const override |
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150 | { |
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151 | return SubclassType; |
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152 | } |
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153 | |
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154 | virtual QString asText() const override; |
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155 | virtual void invert() override; |
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156 | QString reason() const; |
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157 | QString contents() const; |
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158 | QString fileReferenced() const; |
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159 | void setFileReferenced (QString value); |
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160 | QString objectListText() const override; |
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161 | bool isColored() const override { return false; } |
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162 | QString typeName() const override { return "error"; } |
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163 | |
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164 | protected: |
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165 | friend class ResourceVector<LDObject>; |
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166 | LDError (Model* model); |
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167 | LDError (QString contents, QString reason, Model* model = nullptr); |
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168 | |
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169 | private: |
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170 | QString m_fileReferenced; // If this error was caused by inability to open a file, what file was that? |
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171 | QString m_contents; // The LDraw code that was being parsed |
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172 | QString m_reason; |
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173 | }; |
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174 | |
1138 | 175 | /* |
176 | * Represents a 0 BFC statement in the LDraw code. | |
177 | */ | |
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178 | enum class BfcStatement |
847 | 179 | { |
180 | CertifyCCW, | |
181 | CCW, | |
182 | CertifyCW, | |
183 | CW, | |
184 | NoCertify, | |
185 | InvertNext, | |
186 | Clip, | |
187 | ClipCCW, | |
188 | ClipCW, | |
189 | NoClip, | |
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190 | _End |
1034 | 191 | }; |
847 | 192 | |
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193 | MAKE_ITERABLE_ENUM(BfcStatement) |
847 | 194 | |
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195 | class LDBfc : public LDObject |
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196 | { |
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197 | public: |
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198 | static constexpr LDObjectType SubclassType = LDObjectType::Bfc; |
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199 | |
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200 | virtual LDObjectType type() const override |
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201 | { |
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202 | return SubclassType; |
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203 | } |
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204 | |
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205 | virtual QString asText() const override; |
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206 | virtual void invert() override; |
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207 | protected: |
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208 | friend class ResourceVector<LDObject>; |
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209 | LDBfc (Model* model); |
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210 | |
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211 | public: |
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212 | bool isScemantic() const override { return statement() == BfcStatement::InvertNext; } |
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213 | QString objectListText() const override; |
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214 | BfcStatement statement() const; |
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215 | void setStatement (BfcStatement value); |
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216 | QString statementToString() const; |
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217 | bool isColored() const override { return false; } |
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218 | QString typeName() const override { return "bfc"; } |
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219 | |
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220 | static QString statementToString (BfcStatement statement); |
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221 | |
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222 | protected: |
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223 | LDBfc (const BfcStatement type, Model* model = nullptr); |
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224 | |
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225 | private: |
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226 | BfcStatement m_statement; |
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227 | }; |
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228 | |
1138 | 229 | /* |
230 | * Represents a single code-1 subfile reference. | |
231 | */ | |
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232 | class LDSubfileReference : public LDMatrixObject |
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233 | { |
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234 | public: |
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235 | static constexpr LDObjectType SubclassType = LDObjectType::SubfileReference; |
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236 | |
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237 | virtual LDObjectType type() const override |
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238 | { |
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239 | return SubclassType; |
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240 | } |
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241 | |
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242 | virtual QString asText() const override; |
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243 | virtual void invert() override; |
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244 | LDDocument* fileInfo() const; |
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245 | virtual void getVertices (QSet<Vertex>& verts) const override; |
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246 | void inlineContents(Model& model, bool deep, bool render); |
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247 | QList<LDPolygon> inlinePolygons(); |
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248 | QString objectListText() const override; |
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249 | void setFileInfo (LDDocument* fileInfo); |
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250 | int triangleCount() const override; |
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251 | bool hasMatrix() const override { return true; } |
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252 | QString typeName() const override { return "subfilereference"; } |
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253 | |
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254 | protected: |
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255 | friend class ResourceVector<LDObject>; |
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256 | LDSubfileReference (Model* model); |
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257 | LDSubfileReference(LDDocument* reference, const Matrix& transformationMatrix, const Vertex& position, Model* model = nullptr); |
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258 | |
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259 | private: |
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260 | LDDocument* m_fileInfo; |
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261 | }; |
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262 | |
1138 | 263 | /* |
264 | * Models a Bézier curve. It is stored as a special comment in the LDraw code file and can be inlined down into line segments. | |
265 | */ | |
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266 | class LDBezierCurve : public LDObject |
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267 | { |
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268 | public: |
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269 | static constexpr LDObjectType SubclassType = LDObjectType::BezierCurve; |
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270 | |
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271 | virtual LDObjectType type() const override |
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272 | { |
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273 | return SubclassType; |
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274 | } |
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275 | |
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276 | virtual QString asText() const override; |
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277 | virtual void invert() override; |
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278 | Vertex pointAt (qreal t) const; |
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279 | void rasterize(Model& model, int segments); |
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280 | QVector<LDPolygon> rasterizePolygons (int segments); |
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281 | int numVertices() const override { return 4; } |
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282 | LDColor defaultColor() const override { return EdgeColor; } |
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283 | QString typeName() const override { return "beziercurve"; } |
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284 | |
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285 | protected: |
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286 | friend class ResourceVector<LDObject>; |
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287 | LDBezierCurve (Model* model); |
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288 | LDBezierCurve (const Vertex& v0, const Vertex& v1, const Vertex& v2, const Vertex& v3, Model* model = nullptr); |
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289 | }; |
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290 | |
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291 | enum |
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292 | { |
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293 | LowResolution = 16, |
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294 | HighResolution = 48 |
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295 | }; |
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296 | |
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297 | /* |
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298 | * Changes a property in a manner that emits the appropriate signal to notify that the object changed. |
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299 | */ |
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300 | template<typename T> |
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301 | void LDObject::changeProperty(T* property, const T& value) |
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302 | { |
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303 | if (*property != value) |
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304 | { |
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305 | QString before = asText(); |
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306 | *property = value; |
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307 | emit codeChanged(before, asText()); |
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308 | } |
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309 | } |