Mercurial > hg > orthanc-stone
annotate Framework/Scene2DViewport/MeasureToolsToolbox.h @ 698:8b6adfb62a2f refactor-viewport-controller
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author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Wed, 15 May 2019 16:56:17 +0200 |
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children | c0fcb2757b0a 712ff6ff3c19 |
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698
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Affero General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 #include <Framework/Scene2D/PolylineSceneLayer.h> |
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22 #include <Framework/Scene2D/Scene2D.h> |
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23 |
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24 namespace OrthancStone |
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25 { |
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26 |
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27 /** |
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28 This function will create a square around the center point supplied in |
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29 scene coordinates, with a side length given in canvas coordinates. The |
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30 square sides are parallel to the canvas boundaries. |
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31 */ |
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32 void AddSquare(PolylineSceneLayer::Chain& chain, |
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33 const Scene2D& scene, |
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34 const ScenePoint2D& centerS, |
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35 const double& sideLength); |
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36 |
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37 |
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38 /** |
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39 Creates an arc centered on c that goes |
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40 - from a point r1: |
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41 - so that r1 belongs to the p1,c line |
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42 - so that the distance from c to r1 equals radius |
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43 - to a point r2: |
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44 - so that r2 belongs to the p2,c line |
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45 - so that the distance from c to r2 equals radius |
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46 - that follows the shortest among the two possible paths |
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47 |
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48 Warning: the existing chain content will be wiped out. |
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49 */ |
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50 void AddShortestArc( |
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51 PolylineSceneLayer::Chain& chain |
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52 , const Scene2D& scene |
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53 , const ScenePoint2D& p1 |
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54 , const ScenePoint2D& c |
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55 , const ScenePoint2D& p2 |
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56 , const double& radiusS |
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57 , const int subdivisionsCount = 63); |
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58 |
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59 /** |
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60 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from |
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61 start angle to end angle, by following the shortest arc. |
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62 |
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63 Warning: the existing chain content will be wiped out. |
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64 */ |
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65 void AddShortestArc( |
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66 PolylineSceneLayer::Chain& chain |
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67 , const Scene2D& scene |
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68 , const ScenePoint2D& centerS |
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69 , const double& radiusS |
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70 , const double startAngleRad |
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71 , const double endAngleRad |
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72 , const int subdivisionsCount = 63); |
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73 |
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74 #if 0 |
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75 /** |
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76 Creates an arc centered on c that goes |
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77 - from a point r1: |
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78 - so that r1 belongs to the p1,c line |
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79 - so that the distance from c to r1 equals radius |
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80 - to a point r2: |
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81 - so that r2 belongs to the p2,c line |
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82 - so that the distance from c to r2 equals radius |
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83 |
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84 if clockwise is true, the arc is drawn from r1 to r2 with increasing |
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85 angle values. Otherwise, the angle values decrease. |
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86 |
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87 Warning: the existing chain content will be wiped out. |
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88 */ |
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89 |
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90 void AddArc( |
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91 PolylineSceneLayer::Chain& chain |
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92 , const Scene2D& scene |
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93 , const ScenePoint2D& p1 |
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94 , const ScenePoint2D& c |
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95 , const ScenePoint2D& p2 |
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96 , const double& radiusS |
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97 , const bool clockwise |
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98 , const int subdivisionsCount = 63); |
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99 |
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100 /** |
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101 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from |
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102 start angle to end angle with the supplied radius. |
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103 |
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104 if clockwise is true, the arc is drawn from start to end by increasing the |
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105 angle values. |
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106 |
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107 Otherwise, the angle value decreases from start to end. |
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108 |
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109 Warning: the existing chain content will be wiped out. |
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110 */ |
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111 void AddArc( |
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112 PolylineSceneLayer::Chain& chain |
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113 , const Scene2D& scene |
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114 , const ScenePoint2D& centerS |
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115 , const double& radiusS |
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116 , const double startAngleRad |
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117 , const double endAngleRad |
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118 , const bool clockwise |
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119 , const int subdivisionsCount = 63); |
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120 #endif |
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121 /** |
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122 Creates a circle (closed curve) with "numSubdivisions" |
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123 (N points) |
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124 |
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125 Warning: the existing chain content will be wiped out. |
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126 */ |
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127 void AddCircle(PolylineSceneLayer::Chain& chain, |
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128 const Scene2D& scene, |
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129 const ScenePoint2D& centerS, |
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130 const double& radiusS, |
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131 const int numSubdivisions = 63); |
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132 |
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133 /** |
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134 Adds or subtracts 2*pi as many times as need to shift the specified |
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135 angle to a value such as: -pi <= value < pi |
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136 */ |
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137 double NormalizeAngle(double angle); |
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138 |
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139 /** |
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140 Returns the angle magnitude between the p1,c and p2,c lines. |
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141 The returned angle is between 0 and 2*pi |
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142 |
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143 If the angle is between 0 and pi, this means that the shortest arc |
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144 from p1 to p2 is clockwise. |
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145 |
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146 If the angle is between pi and 2*pi, this means that the shortest arc |
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147 from p1 to p2 is COUNTERclockwise. |
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148 |
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149 */ |
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150 double MeasureAngle( |
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151 const ScenePoint2D& p1 |
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152 , const ScenePoint2D& c |
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153 , const ScenePoint2D& p2); |
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154 |
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155 /** |
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156 RadiansToDegrees |
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157 */ |
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158 double RadiansToDegrees(double angleRad); |
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159 |
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160 /** |
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161 This function will return the coordinates of a point that: |
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162 - belongs to the two bisecting lines of the p1 c p2 angle. |
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163 - is a distance d from c. |
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164 Among the four possible points, the one returned will be the one belonging |
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165 to the *smallest* half-plane defined by the [c,p1[ and [c,p2[ half-lines. |
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166 */ |
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167 void GetPositionOnBisectingLine( |
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168 ScenePoint2D& result |
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169 , const ScenePoint2D& p1 |
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170 , const ScenePoint2D& c |
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171 , const ScenePoint2D& p2 |
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172 , const double d); |
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173 |
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174 |
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175 /** |
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176 This helper is used when drawing text with an outline. |
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177 It set the properties for several text layers at once : first the |
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178 four outline layers, with a position shift and then the actual main text |
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179 layer. |
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180 |
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181 The five text layers are supposed to already exist in the scene, starting |
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182 from layerIndex, up to (and not including) layerIndex+5. |
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183 */ |
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184 void SetTextLayerOutlineProperties( |
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185 Scene2D& scene, int baseLayerIndex, const char* text, ScenePoint2D p); |
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186 |
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187 } |