Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2DViewport/MeasureToolsToolbox.h @ 1941:4ad58ca3909c
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author | Alain Mazy <am@osimis.io> |
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date | Mon, 16 May 2022 16:23:35 +0200 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
rev | line source |
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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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
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21 **/ |
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22 |
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23 |
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24 #pragma once |
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25 |
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26 #include "PredeclaredTypes.h" |
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27 #include "../Scene2D/PolylineSceneLayer.h" |
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28 #include "../Scene2D/Scene2D.h" |
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29 |
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30 namespace OrthancStone |
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31 { |
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32 |
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33 /** |
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34 This function will create a square around the center point supplied in |
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35 scene coordinates, with a side length given in canvas coordinates. The |
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36 square sides are parallel to the canvas boundaries. |
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37 */ |
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38 void AddSquare(PolylineSceneLayer::Chain& chain, |
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39 const Scene2D& scene, |
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40 const ScenePoint2D& centerS, |
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41 const double& sideLengthS); |
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42 |
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43 /** |
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44 Creates an arc centered on c that goes |
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45 - from a point r1: |
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46 - so that r1 belongs to the p1,c line |
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47 - so that the distance from c to r1 equals radius |
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48 - to a point r2: |
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49 - so that r2 belongs to the p2,c line |
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50 - so that the distance from c to r2 equals radius |
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51 - that follows the shortest among the two possible paths |
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52 |
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53 Warning: the existing chain content will be wiped out. |
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54 */ |
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55 void AddShortestArc( |
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56 PolylineSceneLayer::Chain& chain |
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57 , const ScenePoint2D& p1 |
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58 , const ScenePoint2D& c |
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59 , const ScenePoint2D& p2 |
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60 , const double& radiusS |
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61 , const int subdivisionsCount = 63); |
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62 |
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63 /** |
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64 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from |
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65 start angle to end angle, by following the shortest arc. |
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66 |
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67 Warning: the existing chain content will be wiped out. |
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68 */ |
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69 void AddShortestArc( |
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70 PolylineSceneLayer::Chain& chain |
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71 , const ScenePoint2D& centerS |
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72 , const double& radiusS |
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73 , const double startAngleRad |
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74 , const double endAngleRad |
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75 , const int subdivisionsCount = 63); |
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76 |
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77 #if 0 |
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78 /** |
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79 Creates an arc centered on c that goes |
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80 - from a point r1: |
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81 - so that r1 belongs to the p1,c line |
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82 - so that the distance from c to r1 equals radius |
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83 - to a point r2: |
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84 - so that r2 belongs to the p2,c line |
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85 - so that the distance from c to r2 equals radius |
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86 |
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87 if clockwise is true, the arc is drawn from r1 to r2 with increasing |
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88 angle values. Otherwise, the angle values decrease. |
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89 |
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90 Warning: the existing chain content will be wiped out. |
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91 */ |
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92 |
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93 void AddArc( |
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94 PolylineSceneLayer::Chain & chain |
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95 , const Scene2D & scene |
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96 , const ScenePoint2D & p1 |
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97 , const ScenePoint2D & c |
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98 , const ScenePoint2D & p2 |
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99 , const double& radiusS |
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100 , const bool clockwise |
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101 , const int subdivisionsCount = 63); |
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102 |
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103 /** |
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104 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from |
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105 start angle to end angle with the supplied radius. |
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106 |
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107 if clockwise is true, the arc is drawn from start to end by increasing the |
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108 angle values. |
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109 |
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110 Otherwise, the angle value decreases from start to end. |
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111 |
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112 Warning: the existing chain content will be wiped out. |
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113 */ |
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114 void AddArc( |
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115 PolylineSceneLayer::Chain& chain |
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116 , const Scene2D& scene |
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117 , const ScenePoint2D& centerS |
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118 , const double& radiusS |
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119 , const double startAngleRad |
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120 , const double endAngleRad |
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121 , const bool clockwise |
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122 , const int subdivisionsCount = 63); |
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123 #endif |
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124 /** |
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125 Creates a circle (closed curve) with "numSubdivisions" |
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126 (N points) |
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127 |
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128 Warning: the existing chain content will be wiped out. |
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129 */ |
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130 void AddCircle(PolylineSceneLayer::Chain& chain, |
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131 const ScenePoint2D& centerS, |
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132 const double& radiusS, |
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133 const int numSubdivisions = 63); |
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134 |
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135 /** |
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136 Adds or subtracts 2*pi as many times as need to shift the specified |
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137 angle to a value such as: -pi <= value < pi |
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138 */ |
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139 double NormalizeAngle(double angle); |
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140 |
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141 /** |
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142 Returns the angle magnitude between the p1,c and p2,c lines. |
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143 The returned angle is between 0 and 2*pi |
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144 |
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145 If the angle is between 0 and pi, this means that the shortest arc |
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146 from p1 to p2 is clockwise. |
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147 |
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148 If the angle is between pi and 2*pi, this means that the shortest arc |
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149 from p1 to p2 is COUNTERclockwise. |
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150 |
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151 */ |
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152 double MeasureAngle( |
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153 const ScenePoint2D& p1, const ScenePoint2D& c, 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 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1 |
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176 /** |
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177 This helper is used when drawing text with an outline. |
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178 It set the properties for several text layers at once : first the |
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179 four outline layers, with a position shift and then the actual main text |
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180 layer. |
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181 |
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182 The five text layers are supposed to already exist in the scene, starting |
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183 from startingLayerIndex, up to (and not including) startingLayerIndex+5. |
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184 */ |
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185 void SetTextLayerOutlineProperties( |
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186 Scene2D& scene |
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187 , boost::shared_ptr<LayerHolder> layerHolder |
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188 , const char* text |
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189 , ScenePoint2D p |
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190 , int startingLayerIndex); |
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191 #else |
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192 void SetTextLayerProperties( |
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193 Scene2D& scene |
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194 , boost::shared_ptr<LayerHolder> layerHolder |
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195 , const char* text |
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196 , ScenePoint2D p |
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197 , int layerIndex); |
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198 #endif |
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199 |
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200 std::ostream& operator<<(std::ostream& os, const ScenePoint2D& p); |
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201 } |
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202 |