Sun, 04 Oct 2015 02:59:38 +0300
And now it should work again too
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1 | /* |
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2 | * LDForge: LDraw parts authoring CAD |
968 | 3 | * Copyright (C) 2013 - 2015 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 | #include <QPainter> |
827 | 20 | #include <QMouseEvent> |
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21 | #include "drawMode.h" |
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22 | #include "../ldObject.h" |
827 | 23 | #include "../glRenderer.h" |
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24 | #include "../miscallenous.h" |
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25 | |
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26 | DrawMode::DrawMode (GLRenderer* renderer) : |
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27 | Super (renderer) {} |
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28 | |
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29 | EditModeType DrawMode::type() const |
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30 | { |
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31 | return EditModeType::Draw; |
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32 | } |
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33 | |
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34 | void DrawMode::render (QPainter& painter) const |
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35 | { |
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36 | QVector<Vertex> poly; |
827 | 37 | QFontMetrics metrics = QFontMetrics (QFont()); |
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38 | |
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39 | for (Vertex const& vert : m_drawedVerts) |
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40 | poly << vert; |
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41 | |
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42 | // Draw the cursor vertex as the last one in the list. |
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43 | if (poly.size() < 4) |
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44 | poly << getCursorVertex(); |
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45 | |
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46 | renderPolygon (painter, poly, true, true); |
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47 | } |
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48 | |
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49 | bool DrawMode::preAddVertex (Vertex const& pos) |
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50 | { |
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51 | // If we picked an already-existing vertex, stop drawing |
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52 | for (Vertex& vert : m_drawedVerts) |
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53 | { |
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54 | if (vert == pos) |
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55 | { |
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56 | if (m_drawedVerts.size() >= 2) |
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57 | endDraw(); |
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58 | |
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59 | return true; |
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60 | } |
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61 | } |
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62 | |
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63 | return false; |
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64 | } |
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65 | |
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66 | bool DrawMode::mouseReleased (MouseEventData const& data) |
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67 | { |
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68 | if (Super::mouseReleased (data)) |
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69 | return true; |
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70 | |
827 | 71 | if (data.releasedButtons & Qt::LeftButton) |
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72 | { |
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73 | // If we have 4 verts, stop drawing. |
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74 | if (m_drawedVerts.size() >= 4) |
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75 | { |
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76 | endDraw(); |
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77 | return true; |
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78 | } |
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79 | |
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80 | addDrawnVertex (getCursorVertex()); |
827 | 81 | return true; |
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82 | } |
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83 | |
827 | 84 | return false; |
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85 | } |
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86 | |
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87 | void DrawMode::endDraw() |
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88 | { |
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89 | // Clean the selection and create the object |
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90 | QList<Vertex>& verts = m_drawedVerts; |
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91 | LDObjectList objs; |
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92 | |
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93 | switch (verts.size()) |
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94 | { |
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95 | case 2: |
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96 | { |
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97 | // 2 verts - make a line |
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98 | LDLine* obj = LDSpawn<LDLine> (verts[0], verts[1]); |
946 | 99 | obj->setColor (EdgeColor); |
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100 | objs << obj; |
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101 | break; |
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102 | } |
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103 | |
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104 | case 3: |
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105 | case 4: |
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106 | { |
944 | 107 | LDObject* obj = (verts.size() == 3) ? |
108 | static_cast<LDObject*> (LDSpawn<LDTriangle>()) : | |
109 | static_cast<LDObject*> (LDSpawn<LDQuad>()); | |
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110 | |
946 | 111 | obj->setColor (MainColor); |
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112 | |
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113 | for (int i = 0; i < verts.size(); ++i) |
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114 | obj->setVertex (i, verts[i]); |
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115 | |
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116 | objs << obj; |
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117 | break; |
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118 | } |
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119 | } |
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120 | |
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121 | finishDraw (objs); |
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122 | } |
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123 | |
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124 | template<typename T> |
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125 | T IntervalClamp (T a, T interval) |
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126 | { |
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127 | T remainder = a % interval; |
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128 | |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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129 | if (remainder >= float (interval / 2)) |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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130 | a += interval; |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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131 | |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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132 | a -= remainder; |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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133 | return a; |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
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134 | } |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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135 | |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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136 | Vertex DrawMode::getCursorVertex() const |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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137 | { |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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138 | Vertex result = renderer()->position3D(); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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139 | |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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140 | if (renderer()->keyboardModifiers() & Qt::ControlModifier |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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141 | and not m_drawedVerts.isEmpty()) |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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142 | { |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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143 | Vertex const& v0 = m_drawedVerts.last(); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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144 | Vertex const& v1 = result; |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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145 | Axis relX, relY; |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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146 | |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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147 | renderer()->getRelativeAxes (relX, relY); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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148 | QLineF ln (v0[relX], v0[relY], v1[relX], v1[relY]); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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149 | ln.setAngle (IntervalClamp<int> (ln.angle(), 45)); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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150 | result.setCoordinate (relX, Grid::Snap (ln.x2(), Grid::Coordinate)); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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151 | result.setCoordinate (relY, Grid::Snap (ln.y2(), Grid::Coordinate)); |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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152 | } |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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153 | |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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154 | return result; |
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Teemu Piippo <crimsondusk64@gmail.com>
parents:
866
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155 | } |