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annotate Samples/Common/MeasureToolsToolbox.h @ 651:62f6ff016085

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Iteration in angle measuring tool. Text label is not ok and handles and arcs (and maybe angle sides) should not scale with zoom.
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 14 May 2019 09:48:14 +0200
parents 1e9ed656318e
children
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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 }