Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2DViewport/MeasureToolsToolbox.h @ 1651:00674f3695f2

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 13 Nov 2020 18:29:17 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
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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) 2017-2020 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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #include "PredeclaredTypes.h"
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26 #include "../Scene2D/PolylineSceneLayer.h"
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27 #include "../Scene2D/Scene2D.h"
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28
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29 namespace OrthancStone
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30 {
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31
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32 /**
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33 This function will create a square around the center point supplied in
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34 scene coordinates, with a side length given in canvas coordinates. The
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35 square sides are parallel to the canvas boundaries.
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36 */
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37 void AddSquare(PolylineSceneLayer::Chain& chain,
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38 const Scene2D& scene,
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39 const ScenePoint2D& centerS,
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40 const double& sideLengthS);
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41
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42 /**
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43 Creates an arc centered on c that goes
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44 - from a point r1:
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45 - so that r1 belongs to the p1,c line
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46 - so that the distance from c to r1 equals radius
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47 - to a point r2:
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48 - so that r2 belongs to the p2,c line
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49 - so that the distance from c to r2 equals radius
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50 - that follows the shortest among the two possible paths
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51
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52 Warning: the existing chain content will be wiped out.
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53 */
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54 void AddShortestArc(
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55 PolylineSceneLayer::Chain& chain
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56 , const ScenePoint2D& p1
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57 , const ScenePoint2D& c
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58 , const ScenePoint2D& p2
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59 , const double& radiusS
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60 , const int subdivisionsCount = 63);
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61
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62 /**
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63 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from
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64 start angle to end angle, by following the shortest arc.
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65
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66 Warning: the existing chain content will be wiped out.
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67 */
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68 void AddShortestArc(
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69 PolylineSceneLayer::Chain& chain
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70 , const ScenePoint2D& centerS
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71 , const double& radiusS
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72 , const double startAngleRad
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73 , const double endAngleRad
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74 , const int subdivisionsCount = 63);
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75
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76 #if 0
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77 /**
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78 Creates an arc centered on c that goes
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79 - from a point r1:
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80 - so that r1 belongs to the p1,c line
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81 - so that the distance from c to r1 equals radius
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82 - to a point r2:
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83 - so that r2 belongs to the p2,c line
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84 - so that the distance from c to r2 equals radius
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85
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86 if clockwise is true, the arc is drawn from r1 to r2 with increasing
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87 angle values. Otherwise, the angle values decrease.
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88
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89 Warning: the existing chain content will be wiped out.
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90 */
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91
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92 void AddArc(
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93 PolylineSceneLayer::Chain & chain
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94 , const Scene2D & scene
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95 , const ScenePoint2D & p1
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96 , const ScenePoint2D & c
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97 , const ScenePoint2D & p2
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98 , const double& radiusS
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99 , const bool clockwise
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100 , const int subdivisionsCount = 63);
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101
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102 /**
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103 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from
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104 start angle to end angle with the supplied radius.
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105
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106 if clockwise is true, the arc is drawn from start to end by increasing the
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107 angle values.
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108
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109 Otherwise, the angle value decreases from start to end.
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110
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111 Warning: the existing chain content will be wiped out.
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112 */
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113 void AddArc(
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114 PolylineSceneLayer::Chain& chain
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115 , const Scene2D& scene
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116 , const ScenePoint2D& centerS
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117 , const double& radiusS
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118 , const double startAngleRad
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119 , const double endAngleRad
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120 , const bool clockwise
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121 , const int subdivisionsCount = 63);
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122 #endif
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123 /**
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124 Creates a circle (closed curve) with "numSubdivisions"
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125 (N points)
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126
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127 Warning: the existing chain content will be wiped out.
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128 */
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129 void AddCircle(PolylineSceneLayer::Chain& chain,
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130 const ScenePoint2D& centerS,
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131 const double& radiusS,
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132 const int numSubdivisions = 63);
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133
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134 /**
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135 Adds or subtracts 2*pi as many times as need to shift the specified
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136 angle to a value such as: -pi <= value < pi
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137 */
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138 double NormalizeAngle(double angle);
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139
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140 /**
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141 Returns the angle magnitude between the p1,c and p2,c lines.
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142 The returned angle is between 0 and 2*pi
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143
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144 If the angle is between 0 and pi, this means that the shortest arc
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145 from p1 to p2 is clockwise.
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146
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147 If the angle is between pi and 2*pi, this means that the shortest arc
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148 from p1 to p2 is COUNTERclockwise.
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149
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150 */
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151 double MeasureAngle(
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152 const ScenePoint2D& p1, const ScenePoint2D& c, const ScenePoint2D& p2);
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153
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154 /**
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155 RadiansToDegrees
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156 */
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157 double RadiansToDegrees(double angleRad);
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158
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159 /**
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160 This function will return the coordinates of a point that:
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161 - belongs to the two bisecting lines of the p1 c p2 angle.
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162 - is a distance d from c.
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163 Among the four possible points, the one returned will be the one belonging
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164 to the *smallest* half-plane defined by the [c,p1[ and [c,p2[ half-lines.
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165 */
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166 void GetPositionOnBisectingLine(
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167 ScenePoint2D& result
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168 , const ScenePoint2D& p1
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169 , const ScenePoint2D& c
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170 , const ScenePoint2D& p2
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171 , const double d);
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172
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173
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174 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1
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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 startingLayerIndex, up to (and not including) startingLayerIndex+5.
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183 */
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184 void SetTextLayerOutlineProperties(
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185 Scene2D& scene
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186 , boost::shared_ptr<LayerHolder> layerHolder
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187 , const char* text
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188 , ScenePoint2D p
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189 , int startingLayerIndex);
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190 #else
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191 void SetTextLayerProperties(
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192 Scene2D& scene
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193 , boost::shared_ptr<LayerHolder> layerHolder
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194 , const char* text
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195 , ScenePoint2D p
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196 , int layerIndex);
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197 #endif
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198
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199 std::ostream& operator<<(std::ostream& os, const ScenePoint2D& p);
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200 }
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201