Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Scene2D.cpp @ 602:03c4b998fcd0
display scene positions in the basic sample
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Mon, 29 Apr 2019 14:40:01 +0200 |
parents | 6129b1e5ba42 |
children | d9c0a66304cb |
rev | line source |
---|---|
582 | 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 | |
22 #include "Scene2D.h" | |
23 | |
24 #include <Core/OrthancException.h> | |
25 | |
26 | |
27 namespace OrthancStone | |
28 { | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
29 class Scene2D::Item |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
30 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
31 private: |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
32 std::auto_ptr<ISceneLayer> layer_; |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
33 uint64_t identifier_; |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
34 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
35 public: |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
36 Item(ISceneLayer* layer, |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
37 uint64_t identifier) : |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
38 layer_(layer), |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
39 identifier_(identifier) |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
40 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
41 if (layer == NULL) |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
42 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
43 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
44 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
45 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
46 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
47 ISceneLayer& GetLayer() const |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
48 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
49 assert(layer_.get() != NULL); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
50 return *layer_; |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
51 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
52 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
53 uint64_t GetIdentifier() const |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
54 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
55 return identifier_; |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
56 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
57 }; |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
58 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
59 |
582 | 60 Scene2D::Scene2D(const Scene2D& other) : |
61 sceneToCanvas_(other.sceneToCanvas_), | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
62 canvasToScene_(other.canvasToScene_), |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
63 layerCounter_(0) |
582 | 64 { |
65 for (Content::const_iterator it = other.content_.begin(); | |
66 it != other.content_.end(); ++it) | |
67 { | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
68 content_[it->first] = new Item(it->second->GetLayer().Clone(), layerCounter_++); |
582 | 69 } |
70 } | |
71 | |
72 | |
73 Scene2D::~Scene2D() | |
74 { | |
75 for (Content::iterator it = content_.begin(); | |
76 it != content_.end(); ++it) | |
77 { | |
78 assert(it->second != NULL); | |
79 delete it->second; | |
80 } | |
81 } | |
82 | |
83 | |
84 void Scene2D::SetLayer(int depth, | |
85 ISceneLayer* layer) // Takes ownership | |
86 { | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
87 std::auto_ptr<Item> item(new Item(layer, layerCounter_++)); |
582 | 88 |
89 if (layer == NULL) | |
90 { | |
91 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
92 } | |
93 | |
94 Content::iterator found = content_.find(depth); | |
95 | |
96 if (found == content_.end()) | |
97 { | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
98 content_[depth] = item.release(); |
582 | 99 } |
100 else | |
101 { | |
102 assert(found->second != NULL); | |
103 delete found->second; | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
104 found->second = item.release(); |
582 | 105 } |
106 } | |
107 | |
108 | |
109 void Scene2D::DeleteLayer(int depth) | |
110 { | |
111 Content::iterator found = content_.find(depth); | |
112 | |
113 if (found != content_.end()) | |
114 { | |
115 assert(found->second != NULL); | |
116 delete found->second; | |
117 content_.erase(found); | |
118 } | |
119 } | |
120 | |
121 | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
122 bool Scene2D::HasLayer(int depth) const |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
123 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
124 return (content_.find(depth) != content_.end()); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
125 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
126 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
127 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
128 ISceneLayer& Scene2D::GetLayer(int depth) const |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
129 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
130 Content::const_iterator found = content_.find(depth); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
131 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
132 if (found == content_.end()) |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
133 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
134 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
135 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
136 else |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
137 { |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
138 assert(found->second != NULL); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
139 return found->second->GetLayer(); |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
140 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
141 } |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
142 |
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
143 |
600
6129b1e5ba42
BasicScene SDL sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
582
diff
changeset
|
144 void Scene2D::Apply(IVisitor& visitor) const |
582 | 145 { |
146 for (Content::const_iterator it = content_.begin(); | |
147 it != content_.end(); ++it) | |
148 { | |
149 assert(it->second != NULL); | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
150 visitor.Visit(it->second->GetLayer(), it->second->GetIdentifier(), it->first); |
582 | 151 } |
152 } | |
153 | |
154 | |
155 void Scene2D::SetSceneToCanvasTransform(const AffineTransform2D& transform) | |
156 { | |
157 // Make sure the transform is invertible before making any change | |
158 AffineTransform2D inverse = AffineTransform2D::Invert(transform); | |
159 | |
160 sceneToCanvas_ = transform; | |
161 canvasToScene_ = inverse; | |
162 } | |
163 | |
164 | |
165 void Scene2D::FitContent(unsigned int canvasWidth, | |
166 unsigned int canvasHeight) | |
167 { | |
168 Extent2D extent; | |
169 | |
170 for (Content::const_iterator it = content_.begin(); | |
171 it != content_.end(); ++it) | |
172 { | |
173 assert(it->second != NULL); | |
174 | |
175 Extent2D tmp; | |
602
03c4b998fcd0
display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
600
diff
changeset
|
176 if (it->second->GetLayer().GetBoundingBox(tmp)) |
582 | 177 { |
178 extent.Union(tmp); | |
179 } | |
180 } | |
181 | |
182 if (!extent.IsEmpty()) | |
183 { | |
184 double zoomX = static_cast<double>(canvasWidth) / extent.GetWidth(); | |
185 double zoomY = static_cast<double>(canvasHeight) / extent.GetHeight(); | |
186 | |
187 double zoom = std::min(zoomX, zoomY); | |
188 if (LinearAlgebra::IsCloseToZero(zoom)) | |
189 { | |
190 zoom = 1; | |
191 } | |
192 | |
193 double panX = extent.GetCenterX(); | |
194 double panY = extent.GetCenterY(); | |
195 | |
196 // Bring the center of the scene to (0,0) | |
197 AffineTransform2D t1 = AffineTransform2D::CreateOffset(-panX, -panY); | |
198 | |
199 // Scale the scene | |
200 AffineTransform2D t2 = AffineTransform2D::CreateScaling(zoom, zoom); | |
201 | |
202 SetSceneToCanvasTransform(AffineTransform2D::Combine(t2, t1)); | |
203 } | |
204 } | |
205 } |