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comparison Framework/Scene2DViewport/ViewportController.h @ 774:66ac7a2d1e3a

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A few renames and cleanups + moved GUI constants to controller + start work on hit tests for measure tools and mouse hover.
author Benjamin Golinvaux <bgo@osimis.io>
date Fri, 24 May 2019 15:59:51 +0200
parents c0fcb2757b0a
children e42b491f1fb2
comparison
equal deleted inserted replaced
761:07adcffba38c 774:66ac7a2d1e3a
29 #include <stack> 29 #include <stack>
30 30
31 namespace OrthancStone 31 namespace OrthancStone
32 { 32 {
33 /** 33 /**
34 These constats are used
35
36 */
37 const double ARC_RADIUS_CANVAS_COORD = 30.0;
38 const double TEXT_CENTER_DISTANCE_CANVAS_COORD = 90;
39
40 const double HANDLE_SIDE_LENGTH_CANVAS_COORD = 10.0;
41 const double HIT_TEST_MAX_DISTANCE_CANVAS_COORD = 15.0;
42
43 const uint8_t TEXT_COLOR_RED = 0;
44 const uint8_t TEXT_COLOR_GREEN = 223;
45 const uint8_t TEXT_COLOR_BLUE = 81;
46
47 const uint8_t TOOL_LINES_COLOR_RED = 0;
48 const uint8_t TOOL_LINES_COLOR_GREEN = 223;
49 const uint8_t TOOL_LINES_COLOR_BLUE = 21;
50
51
52 const uint8_t TEXT_OUTLINE_COLOR_RED = 0;
53 const uint8_t TEXT_OUTLINE_COLOR_GREEN = 56;
54 const uint8_t TEXT_OUTLINE_COLOR_BLUE = 21;
55
56 /**
34 This object is responsible for hosting a scene, responding to messages from 57 This object is responsible for hosting a scene, responding to messages from
35 the model and updating the scene accordingly. 58 the model and updating the scene accordingly.
36 59
37 It contains the list of active measuring tools as well as the stack 60 It contains the list of active measuring tools as well as the stack
38 where measuring tool commands are stored. 61 where measuring tool commands are stored.
48 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, \ 71 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, \
49 SceneTransformChanged, ViewportController); 72 SceneTransformChanged, ViewportController);
50 73
51 ViewportController(MessageBroker& broker); 74 ViewportController(MessageBroker& broker);
52 75
53 Scene2DPtr GetScene(); 76 Scene2DConstPtr GetScene() const;
77 Scene2DPtr GetScene();
54 78
55 /** 79 /**
56 This method is called by the GUI system and should update/delete the 80 This method is called by the GUI system and should update/delete the
57 current tracker 81 current tracker
58 */ 82 */
117 void AddMeasureTool(MeasureToolPtr measureTool); 141 void AddMeasureTool(MeasureToolPtr measureTool);
118 142
119 /** Removes a measure tool or throws if it cannot be found */ 143 /** Removes a measure tool or throws if it cannot be found */
120 void RemoveMeasureTool(MeasureToolPtr measureTool); 144 void RemoveMeasureTool(MeasureToolPtr measureTool);
121 145
146 /**
147 The square handle side length in *scene* coordinates
148 */
149 double GetHandleSideLengthS() const;
150
151 /**
152 The angle measure too arc radius in *scene* coordinates
153
154 Note: you might wonder why this is not part of the AngleMeasureTool itself,
155 but we prefer to put all such constants in the same location, to ease
156 */
157 double GetAngleToolArcRadiusS() const;
158
159 /**
160 The hit test maximum distance in *scene* coordinates.
161 If a pointer event is less than GetHandleSideLengthS() to a GUI element,
162 the hit test for this GUI element is seen as true
163 */
164 double GetHitTestMaximumDistanceS() const;
165
166 /**
167 Distance between the top of the angle measuring tool and the center of
168 the label showing the actual measure, in *scene* coordinates
169 */
170 double GetAngleTopTextLabelDistanceS() const;
171
122 private: 172 private:
173 double GetCanvasToSceneFactor() const;
174
123 std::vector<TrackerCommandPtr> commandStack_; 175 std::vector<TrackerCommandPtr> commandStack_;
124 176
125 /** 177 /**
126 This is always between >= 0 and <= undoStack_.size() and gives the 178 This is always between >= 0 and <= undoStack_.size() and gives the
127 position where the controller is in the undo stack. 179 position where the controller is in the undo stack.
128 - If numAppliedCommands_ > 0, one can undo 180 - If numAppliedCommands_ > 0, one can undo
129 - If numAppliedCommands_ < numAppliedCommands_.size(), one can redo 181 - If numAppliedCommands_ < numAppliedCommands_.size(), one can redo
130 */ 182 */
131 size_t numAppliedCommands_; 183 size_t numAppliedCommands_;
132 std::vector<MeasureToolPtr> measureTools_; 184 std::vector<MeasureToolPtr> measureTools_;
133 Scene2DPtr scene_; 185 Scene2DPtr scene_;
134 FlexiblePointerTrackerPtr tracker_; 186 FlexiblePointerTrackerPtr tracker_;
187
188 // this is cached
189 mutable double canvasToSceneFactor_;
135 }; 190 };
136 } 191 }