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comparison Samples/Common/CreateLineMeasureTracker.cpp @ 644:f939f449482c

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Ongoing tracker work.
author Benjamin Golinvaux <bgo@osimis.io>
date Fri, 10 May 2019 16:15:55 +0200
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children 1e9ed656318e
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634:6a144a45b2d8 644:f939f449482c
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21 #include "CreateLineMeasureTracker.h"
22 #include <Core/OrthancException.h>
23
24 using namespace Orthanc;
25
26 namespace OrthancStone
27 {
28 CreateLineMeasureTracker::CreateLineMeasureTracker(
29 Scene2D& scene,
30 std::vector<TrackerCommandPtr>& undoStack,
31 std::vector<MeasureToolPtr>& measureTools,
32 const PointerEvent& e)
33 : CreateMeasureTracker(scene, undoStack, measureTools)
34 {
35 command_.reset(
36 new CreateLineMeasureCommand(
37 scene,
38 measureTools,
39 e.GetMainPosition().Apply(scene.GetCanvasToSceneTransform())));
40 }
41
42 CreateLineMeasureTracker::~CreateLineMeasureTracker()
43 {
44
45 }
46
47 void CreateLineMeasureTracker::PointerMove(const PointerEvent& event)
48 {
49 if (!active_)
50 {
51 throw OrthancException(ErrorCode_InternalError,
52 "Internal error: wrong state in CreateLineMeasureTracker::"
53 "PointerMove: active_ == false");
54 }
55
56 ScenePoint2D scenePos = event.GetMainPosition().Apply(
57 scene_.GetCanvasToSceneTransform());
58
59 //LOG(TRACE) << "scenePos.GetX() = " << scenePos.GetX() << " " <<
60 // "scenePos.GetY() = " << scenePos.GetY();
61
62 CreateLineMeasureTracker* concreteThis =
63 dynamic_cast<CreateLineMeasureTracker*>(this);
64 assert(concreteThis != NULL);
65 command_->Update(scenePos);
66 }
67
68 void CreateLineMeasureTracker::PointerUp(const PointerEvent& e)
69 {
70 // TODO: the current app does not prevent multiple PointerDown AND
71 // PointerUp to be sent to the tracker.
72 // Unless we augment the PointerEvent structure with the button index,
73 // we cannot really tell if this pointer up event matches the initial
74 // pointer down event. Let's make it simple for now.
75 active_ = false;
76 }
77
78 void CreateLineMeasureTracker::PointerDown(const PointerEvent& e)
79 {
80 LOG(WARNING) << "Additional touches (fingers, pen, mouse buttons...) "
81 "are ignored when the line measure creation tracker is active";
82 }
83 }