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1 #pragma once
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2
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3 #include <emscripten/emscripten.h>
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4
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5 #include <Framework/dev.h>
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6 #include <Framework/Viewport/WidgetViewport.h>
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7 #include <Framework/Widgets/LayerWidget.h>
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8 #include <Framework/Widgets/LayoutWidget.h>
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9 #include <Applications/Wasm/BasicWasmApplication.h>
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10 #include <Applications/Wasm/BasicWasmApplicationContext.h>
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11
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12 #ifdef __cplusplus
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13 extern "C" {
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14 #endif
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15
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16 // JS methods accessible from C++
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17 extern void ScheduleRedraw();
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18
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19 // C++ methods accessible from JS
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20 extern void EMSCRIPTEN_KEEPALIVE CreateWasmApplication();
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21 // extern void EMSCRIPTEN_KEEPALIVE SetStartupParameter(const char* keyc, const char* value);
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22 // extern void EMSCRIPTEN_KEEPALIVE StartWasmApplication();
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23
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24 #ifdef __cplusplus
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25 }
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26 #endif
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27
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28 extern OrthancStone::BasicWasmApplication* CreateUserApplication();
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29
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30 namespace OrthancStone {
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31
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32 // default Ovserver to trigger Viewport redraw when something changes in the Viewport
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33 class ChangeObserver :
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34 public OrthancStone::IViewport::IObserver
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35 {
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36 private:
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37 // Flag to avoid flooding JavaScript with redundant Redraw requests
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38 bool isScheduled_;
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39
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40 public:
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41 ChangeObserver() :
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42 isScheduled_(false)
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43 {
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44 }
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45
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46 void Reset()
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47 {
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48 isScheduled_ = false;
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49 }
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50
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51 virtual void NotifyChange(const OrthancStone::IViewport &scene)
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52 {
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53 if (!isScheduled_)
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54 {
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55 ScheduleRedraw();
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56 isScheduled_ = true;
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57 }
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58 }
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59 };
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60
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61 // default status bar to log messages on the console/stdout
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62 class StatusBar : public OrthancStone::IStatusBar
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63 {
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64 public:
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65 virtual void ClearMessage()
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66 {
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67 }
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68
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69 virtual void SetMessage(const std::string& message)
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70 {
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71 printf("%s\n", message.c_str());
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72 }
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73 };
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74 } |
