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comparison Framework/Scene2DViewport/MeasureToolsToolbox.h @ 865:a29c13497557

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Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 25 Jun 2019 15:24:13 +0200
parents e42b491f1fb2
children 0aff28f15ea2
comparison
equal deleted inserted replaced
864:ae3eccd0f545 865:a29c13497557
31 square sides are parallel to the canvas boundaries. 31 square sides are parallel to the canvas boundaries.
32 */ 32 */
33 void AddSquare(PolylineSceneLayer::Chain& chain, 33 void AddSquare(PolylineSceneLayer::Chain& chain,
34 boost::shared_ptr<const Scene2D> scene, 34 boost::shared_ptr<const Scene2D> scene,
35 const ScenePoint2D& centerS, 35 const ScenePoint2D& centerS,
36 const double& sideLengthS); 36 const double& sideLengthS);
37 37
38 /** 38 /**
39 Creates an arc centered on c that goes 39 Creates an arc centered on c that goes
40 - from a point r1: 40 - from a point r1:
41 - so that r1 belongs to the p1,c line 41 - so that r1 belongs to the p1,c line
46 - that follows the shortest among the two possible paths 46 - that follows the shortest among the two possible paths
47 47
48 Warning: the existing chain content will be wiped out. 48 Warning: the existing chain content will be wiped out.
49 */ 49 */
50 void AddShortestArc( 50 void AddShortestArc(
51 PolylineSceneLayer::Chain& chain 51 PolylineSceneLayer::Chain& chain
52 , const ScenePoint2D& p1 52 , const ScenePoint2D& p1
53 , const ScenePoint2D& c 53 , const ScenePoint2D& c
54 , const ScenePoint2D& p2 54 , const ScenePoint2D& p2
55 , const double& radiusS 55 , const double& radiusS
56 , const int subdivisionsCount = 63); 56 , const int subdivisionsCount = 63);
57 57
58 /** 58 /**
59 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from 59 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from
60 start angle to end angle, by following the shortest arc. 60 start angle to end angle, by following the shortest arc.
61 61
62 Warning: the existing chain content will be wiped out. 62 Warning: the existing chain content will be wiped out.
63 */ 63 */
64 void AddShortestArc( 64 void AddShortestArc(
65 PolylineSceneLayer::Chain& chain 65 PolylineSceneLayer::Chain& chain
66 , const ScenePoint2D& centerS 66 , const ScenePoint2D& centerS
67 , const double& radiusS 67 , const double& radiusS
68 , const double startAngleRad 68 , const double startAngleRad
69 , const double endAngleRad 69 , const double endAngleRad
70 , const int subdivisionsCount = 63); 70 , const int subdivisionsCount = 63);
71 71
72 #if 0 72 #if 0
77 - so that the distance from c to r1 equals radius 77 - so that the distance from c to r1 equals radius
78 - to a point r2: 78 - to a point r2:
79 - so that r2 belongs to the p2,c line 79 - so that r2 belongs to the p2,c line
80 - so that the distance from c to r2 equals radius 80 - so that the distance from c to r2 equals radius
81 81
82 if clockwise is true, the arc is drawn from r1 to r2 with increasing 82 if clockwise is true, the arc is drawn from r1 to r2 with increasing
83 angle values. Otherwise, the angle values decrease. 83 angle values. Otherwise, the angle values decrease.
84 84
85 Warning: the existing chain content will be wiped out. 85 Warning: the existing chain content will be wiped out.
86 */ 86 */
87 87
88 void AddArc( 88 void AddArc(
89 PolylineSceneLayer::Chain& chain 89 PolylineSceneLayer::Chain & chain
90 , const Scene2D& scene 90 , const Scene2D & scene
91 , const ScenePoint2D& p1 91 , const ScenePoint2D & p1
92 , const ScenePoint2D& c 92 , const ScenePoint2D & c
93 , const ScenePoint2D& p2 93 , const ScenePoint2D & p2
94 , const double& radiusS 94 , const double& radiusS
95 , const bool clockwise 95 , const bool clockwise
96 , const int subdivisionsCount = 63); 96 , const int subdivisionsCount = 63);
97 97
98 /** 98 /**
99 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from 99 Creates an arc (open curve) with "numSubdivisions" (N + 1 points) from
100 start angle to end angle with the supplied radius. 100 start angle to end angle with the supplied radius.
101 101
102 if clockwise is true, the arc is drawn from start to end by increasing the 102 if clockwise is true, the arc is drawn from start to end by increasing the
103 angle values. 103 angle values.
104 104
105 Otherwise, the angle value decreases from start to end. 105 Otherwise, the angle value decreases from start to end.
106 106
107 Warning: the existing chain content will be wiped out. 107 Warning: the existing chain content will be wiped out.
108 */ 108 */
109 void AddArc( 109 void AddArc(
110 PolylineSceneLayer::Chain& chain 110 PolylineSceneLayer::Chain& chain
111 , const Scene2D& scene 111 , const Scene2D& scene
112 , const ScenePoint2D& centerS 112 , const ScenePoint2D& centerS
113 , const double& radiusS 113 , const double& radiusS
114 , const double startAngleRad 114 , const double startAngleRad
115 , const double endAngleRad 115 , const double endAngleRad
116 , const bool clockwise 116 , const bool clockwise
117 , const int subdivisionsCount = 63); 117 , const int subdivisionsCount = 63);
118 #endif 118 #endif
121 (N points) 121 (N points)
122 122
123 Warning: the existing chain content will be wiped out. 123 Warning: the existing chain content will be wiped out.
124 */ 124 */
125 void AddCircle(PolylineSceneLayer::Chain& chain, 125 void AddCircle(PolylineSceneLayer::Chain& chain,
126 const Scene2D& scene, 126 const Scene2D& scene,
127 const ScenePoint2D& centerS, 127 const ScenePoint2D& centerS,
128 const double& radiusS, 128 const double& radiusS,
129 const int numSubdivisions = 63); 129 const int numSubdivisions = 63);
130 130
131 /** 131 /**
132 Adds or subtracts 2*pi as many times as need to shift the specified 132 Adds or subtracts 2*pi as many times as need to shift the specified
133 angle to a value such as: -pi <= value < pi 133 angle to a value such as: -pi <= value < pi
134 */ 134 */
135 double NormalizeAngle(double angle); 135 double NormalizeAngle(double angle);
136 136
137 /** 137 /**
138 Returns the angle magnitude between the p1,c and p2,c lines. 138 Returns the angle magnitude between the p1,c and p2,c lines.
139 The returned angle is between 0 and 2*pi 139 The returned angle is between 0 and 2*pi
140 140
141 If the angle is between 0 and pi, this means that the shortest arc 141 If the angle is between 0 and pi, this means that the shortest arc
142 from p1 to p2 is clockwise. 142 from p1 to p2 is clockwise.
143 143
144 If the angle is between pi and 2*pi, this means that the shortest arc 144 If the angle is between pi and 2*pi, this means that the shortest arc
145 from p1 to p2 is COUNTERclockwise. 145 from p1 to p2 is COUNTERclockwise.
146 146
147 */ 147 */
148 double MeasureAngle( 148 double MeasureAngle(
149 const ScenePoint2D& p1 149 const ScenePoint2D& p1
150 , const ScenePoint2D& c 150 , const ScenePoint2D& c
151 , const ScenePoint2D& p2); 151 , const ScenePoint2D& p2);
152 152
153 /** 153 /**
154 RadiansToDegrees 154 RadiansToDegrees
161 - is a distance d from c. 161 - is a distance d from c.
162 Among the four possible points, the one returned will be the one belonging 162 Among the four possible points, the one returned will be the one belonging
163 to the *smallest* half-plane defined by the [c,p1[ and [c,p2[ half-lines. 163 to the *smallest* half-plane defined by the [c,p1[ and [c,p2[ half-lines.
164 */ 164 */
165 void GetPositionOnBisectingLine( 165 void GetPositionOnBisectingLine(
166 ScenePoint2D& result 166 ScenePoint2D& result
167 , const ScenePoint2D& p1 167 , const ScenePoint2D& p1
168 , const ScenePoint2D& c 168 , const ScenePoint2D& c
169 , const ScenePoint2D& p2 169 , const ScenePoint2D& p2
170 , const double d); 170 , const double d);
171 171
172 172
173 /** 173 /**
174 This helper is used when drawing text with an outline. 174 This helper is used when drawing text with an outline.
175 It set the properties for several text layers at once : first the 175 It set the properties for several text layers at once : first the
176 four outline layers, with a position shift and then the actual main text 176 four outline layers, with a position shift and then the actual main text
177 layer. 177 layer.
178 178
179 The five text layers are supposed to already exist in the scene, starting 179 The five text layers are supposed to already exist in the scene, starting
180 from layerIndex, up to (and not including) layerIndex+5. 180 from layerIndex, up to (and not including) layerIndex+5.
181 */ 181 */
182 void SetTextLayerOutlineProperties( 182 void SetTextLayerOutlineProperties(
183 boost::shared_ptr<Scene2D> scene, boost::shared_ptr<LayerHolder> layerHolder, 183 boost::shared_ptr<Scene2D> scene, boost::shared_ptr<LayerHolder> layerHolder,
184 const char* text, ScenePoint2D p); 184 const char* text, ScenePoint2D p);
185
186
187 std::ostream& operator<<(std::ostream& os, const ScenePoint2D& p);
185 } 188 }
189