Mercurial > hg > orthanc-stone
comparison Samples/MultiPlatform/BasicScene/mainSdl.cpp @ 916:a911f5bb48da am-dev
MultiPlatform Basic Scene sample (so far: SDL + Qt)
author | Alain Mazy <alain@mazy.be> |
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date | Fri, 19 Jul 2019 15:06:36 +0200 |
parents | |
children | eaaa9b574e05 |
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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 // From Stone | |
23 #include "Framework/Viewport/SdlViewport.h" | |
24 #include "Framework/Scene2D/OpenGLCompositor.h" | |
25 #include "Framework/Scene2DViewport/UndoStack.h" | |
26 #include "Framework/StoneInitialization.h" | |
27 #include "Framework/Messages/MessageBroker.h" | |
28 | |
29 // From Orthanc framework | |
30 #include <Core/Logging.h> | |
31 #include <Core/OrthancException.h> | |
32 | |
33 #include <boost/make_shared.hpp> | |
34 #include <boost/ref.hpp> | |
35 | |
36 #include <SDL.h> | |
37 #include <stdio.h> | |
38 | |
39 | |
40 #include "BasicScene.h" | |
41 | |
42 using namespace OrthancStone; | |
43 | |
44 boost::shared_ptr<BasicScene2DInteractor> interactor; | |
45 | |
46 void HandleApplicationEvent(boost::shared_ptr<OrthancStone::ViewportController> controller, | |
47 const SDL_Event& event) | |
48 { | |
49 using namespace OrthancStone; | |
50 Scene2D& scene(controller->GetScene()); | |
51 if (event.type == SDL_MOUSEBUTTONDOWN || event.type == SDL_MOUSEBUTTONUP || event.type == SDL_MOUSEMOTION) | |
52 { | |
53 // TODO: this code is copy/pasted from GuiAdapter::Run() -> find the right place | |
54 int scancodeCount = 0; | |
55 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
56 bool ctrlPressed(false); | |
57 bool shiftPressed(false); | |
58 bool altPressed(false); | |
59 | |
60 if (SDL_SCANCODE_LCTRL < scancodeCount && keyboardState[SDL_SCANCODE_LCTRL]) | |
61 ctrlPressed = true; | |
62 if (SDL_SCANCODE_RCTRL < scancodeCount && keyboardState[SDL_SCANCODE_RCTRL]) | |
63 ctrlPressed = true; | |
64 if (SDL_SCANCODE_LSHIFT < scancodeCount && keyboardState[SDL_SCANCODE_LSHIFT]) | |
65 shiftPressed = true; | |
66 if (SDL_SCANCODE_RSHIFT < scancodeCount && keyboardState[SDL_SCANCODE_RSHIFT]) | |
67 shiftPressed = true; | |
68 if (SDL_SCANCODE_LALT < scancodeCount && keyboardState[SDL_SCANCODE_LALT]) | |
69 altPressed = true; | |
70 | |
71 GuiAdapterMouseEvent guiEvent; | |
72 ConvertFromPlatform(guiEvent, ctrlPressed, shiftPressed, altPressed, event); | |
73 PointerEvent pointerEvent; | |
74 pointerEvent.AddPosition(controller->GetViewport().GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
75 | |
76 interactor->OnMouseEvent(guiEvent, pointerEvent); | |
77 return; | |
78 } | |
79 else if ((event.type == SDL_KEYDOWN || event.type == SDL_KEYUP) && event.key.repeat == 0 /* Ignore key bounce */) | |
80 { | |
81 GuiAdapterKeyboardEvent guiEvent; | |
82 ConvertFromPlatform(guiEvent, event); | |
83 | |
84 interactor->OnKeyboardEvent(guiEvent); | |
85 } | |
86 | |
87 } | |
88 | |
89 | |
90 static void GLAPIENTRY | |
91 OpenGLMessageCallback(GLenum source, | |
92 GLenum type, | |
93 GLuint id, | |
94 GLenum severity, | |
95 GLsizei length, | |
96 const GLchar* message, | |
97 const void* userParam ) | |
98 { | |
99 if (severity != GL_DEBUG_SEVERITY_NOTIFICATION) | |
100 { | |
101 fprintf(stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n", | |
102 ( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : "" ), | |
103 type, severity, message ); | |
104 } | |
105 } | |
106 | |
107 | |
108 void Run(boost::shared_ptr<OrthancStone::ViewportController> controller) | |
109 { | |
110 SdlViewport& sdlViewport = dynamic_cast<SdlViewport&>(controller->GetViewport()); | |
111 | |
112 glEnable(GL_DEBUG_OUTPUT); | |
113 glDebugMessageCallback(OpenGLMessageCallback, 0); | |
114 | |
115 controller->GetViewport().GetCompositor().SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, | |
116 BASIC_SCENE_FONT_SIZE, Orthanc::Encoding_Latin1); | |
117 | |
118 controller->GetViewport().Refresh(); | |
119 controller->FitContent(); | |
120 | |
121 | |
122 bool stop = false; | |
123 while (!stop) | |
124 { | |
125 controller->GetViewport().Refresh(); | |
126 | |
127 SDL_Event event; | |
128 while (!stop && | |
129 SDL_PollEvent(&event)) | |
130 { | |
131 if (event.type == SDL_QUIT) | |
132 { | |
133 stop = true; | |
134 break; | |
135 } | |
136 else if (event.type == SDL_WINDOWEVENT && | |
137 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) | |
138 { | |
139 sdlViewport.UpdateSize(event.window.data1, event.window.data2); | |
140 } | |
141 else if (event.type == SDL_KEYDOWN && | |
142 event.key.repeat == 0 /* Ignore key bounce */) | |
143 { | |
144 switch (event.key.keysym.sym) | |
145 { | |
146 case SDLK_f: | |
147 sdlViewport.GetWindow().ToggleMaximize(); | |
148 break; | |
149 | |
150 case SDLK_q: | |
151 stop = true; | |
152 break; | |
153 | |
154 default: | |
155 break; | |
156 } | |
157 } | |
158 | |
159 HandleApplicationEvent(controller, event); | |
160 } | |
161 | |
162 SDL_Delay(1); | |
163 } | |
164 interactor.reset(); | |
165 } | |
166 | |
167 | |
168 | |
169 | |
170 /** | |
171 * IMPORTANT: The full arguments to "main()" are needed for SDL on | |
172 * Windows. Otherwise, one gets the linking error "undefined reference | |
173 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows | |
174 **/ | |
175 int main(int argc, char* argv[]) | |
176 { | |
177 using namespace OrthancStone; | |
178 StoneInitialize(); | |
179 Orthanc::Logging::EnableInfoLevel(true); | |
180 | |
181 try | |
182 { | |
183 SdlOpenGLViewport viewport("Hello", 1024, 768); | |
184 MessageBroker broker; | |
185 boost::shared_ptr<UndoStack> undoStack(new UndoStack); | |
186 boost::shared_ptr<ViewportController> controller = boost::make_shared<ViewportController>(undoStack, boost::ref(broker), viewport); | |
187 interactor.reset(new BasicScene2DInteractor(controller)); | |
188 PrepareScene(controller->GetScene()); | |
189 Run(controller); | |
190 } | |
191 catch (Orthanc::OrthancException& e) | |
192 { | |
193 LOG(ERROR) << "EXCEPTION: " << e.What(); | |
194 } | |
195 | |
196 StoneFinalize(); | |
197 | |
198 return 0; | |
199 } |