Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/MeasureToolsToolbox.h @ 1313:f30905f5d246 broker

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Added support for OnGenericSdlEvent to GuiAdapter. This makes it possible to piggyback app-specific logic to special events (here, to support the Viewport refresh events)
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 16 Mar 2020 11:12:39 +0100
parents 2d8ab34c8c91
children 828a9b4ee1b7
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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 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 "PredeclaredTypes.h"
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22 #include "../Scene2D/PolylineSceneLayer.h"
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23 #include "../Scene2D/Scene2D.h"
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24
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25 namespace OrthancStone
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26 {
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27
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28 /**
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29 This function will create a square around the center point supplied in
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30 scene coordinates, with a side length given in canvas coordinates. The
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31 square sides are parallel to the canvas boundaries.
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32 */
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33 void AddSquare(PolylineSceneLayer::Chain& chain,
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34 const Scene2D& scene,
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35 const ScenePoint2D& centerS,
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36 const double& sideLengthS);
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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 ScenePoint2D& p1
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53 , const ScenePoint2D& c
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54 , const ScenePoint2D& p2
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55 , const double& radiusS
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56 , const int subdivisionsCount = 63);
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57
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58 /**
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59 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from
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60 start angle to end angle, by following the shortest arc.
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61
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62 Warning: the existing chain content will be wiped out.
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63 */
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64 void AddShortestArc(
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65 PolylineSceneLayer::Chain& chain
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66 , const ScenePoint2D& centerS
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67 , const double& radiusS
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68 , const double startAngleRad
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69 , const double endAngleRad
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70 , const int subdivisionsCount = 63);
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71
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72 #if 0
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73 /**
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74 Creates an arc centered on c that goes
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75 - from a point r1:
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76 - so that r1 belongs to the p1,c line
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77 - so that the distance from c to r1 equals radius
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78 - to a point r2:
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79 - so that r2 belongs to the p2,c line
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80 - so that the distance from c to r2 equals radius
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81
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82 if clockwise is true, the arc is drawn from r1 to r2 with increasing
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83 angle values. Otherwise, the angle values decrease.
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84
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85 Warning: the existing chain content will be wiped out.
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86 */
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87
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88 void AddArc(
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89 PolylineSceneLayer::Chain & chain
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90 , const Scene2D & scene
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91 , const ScenePoint2D & p1
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92 , const ScenePoint2D & c
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93 , const ScenePoint2D & p2
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94 , const double& radiusS
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95 , const bool clockwise
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96 , const int subdivisionsCount = 63);
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97
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98 /**
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99 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from
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100 start angle to end angle with the supplied radius.
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101
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102 if clockwise is true, the arc is drawn from start to end by increasing the
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103 angle values.
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104
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105 Otherwise, the angle value decreases from start to end.
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106
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107 Warning: the existing chain content will be wiped out.
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108 */
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109 void AddArc(
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110 PolylineSceneLayer::Chain& chain
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111 , const Scene2D& scene
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112 , const ScenePoint2D& centerS
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113 , const double& radiusS
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114 , const double startAngleRad
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115 , const double endAngleRad
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116 , const bool clockwise
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117 , const int subdivisionsCount = 63);
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118 #endif
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119 /**
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120 Creates a circle (closed curve) with "numSubdivisions"
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121 (N points)
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122
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123 Warning: the existing chain content will be wiped out.
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124 */
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125 void AddCircle(PolylineSceneLayer::Chain& chain,
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126 const ScenePoint2D& centerS,
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127 const double& radiusS,
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128 const int numSubdivisions = 63);
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129
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130 /**
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131 Adds or subtracts 2*pi as many times as need to shift the specified
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132 angle to a value such as: -pi <= value < pi
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133 */
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134 double NormalizeAngle(double angle);
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135
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136 /**
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137 Returns the angle magnitude between the p1,c and p2,c lines.
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138 The returned angle is between 0 and 2*pi
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139
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140 If the angle is between 0 and pi, this means that the shortest arc
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141 from p1 to p2 is clockwise.
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142
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143 If the angle is between pi and 2*pi, this means that the shortest arc
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144 from p1 to p2 is COUNTERclockwise.
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145
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146 */
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147 double MeasureAngle(
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148 const ScenePoint2D& p1, const ScenePoint2D& c, const ScenePoint2D& p2);
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149
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150 /**
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151 RadiansToDegrees
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152 */
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153 double RadiansToDegrees(double angleRad);
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154
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155 /**
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156 This function will return the coordinates of a point that:
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157 - belongs to the two bisecting lines of the p1 c p2 angle.
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158 - is a distance d from c.
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159 Among the four possible points, the one returned will be the one belonging
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160 to the *smallest* half-plane defined by the [c,p1[ and [c,p2[ half-lines.
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161 */
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162 void GetPositionOnBisectingLine(
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163 ScenePoint2D& result
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164 , const ScenePoint2D& p1
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165 , const ScenePoint2D& c
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166 , const ScenePoint2D& p2
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167 , const double d);
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168
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169
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170 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1
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171 /**
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172 This helper is used when drawing text with an outline.
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173 It set the properties for several text layers at once : first the
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174 four outline layers, with a position shift and then the actual main text
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175 layer.
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176
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177 The five text layers are supposed to already exist in the scene, starting
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178 from startingLayerIndex, up to (and not including) startingLayerIndex+5.
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179 */
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180 void SetTextLayerOutlineProperties(
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181 Scene2D& scene
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182 , boost::shared_ptr<LayerHolder> layerHolder
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183 , const char* text
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184 , ScenePoint2D p
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185 , int startingLayerIndex);
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186 #else
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187 void SetTextLayerProperties(
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188 Scene2D& scene
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189 , boost::shared_ptr<LayerHolder> layerHolder
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190 , const char* text
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191 , ScenePoint2D p
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192 , int layerIndex);
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193 #endif
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194
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195 std::ostream& operator<<(std::ostream& os, const ScenePoint2D& p);
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196 }
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197