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Added a "speedometer" widget to the GUI program.
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Gregory W Heckler
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Jun 3, 2009
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| #ifndef GUI_SPEEDO_H_ | ||
| #define GUI_SPEEDO_H_ | ||
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| #include "gui.h" | ||
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| /*----------------------------------------------------------------------------------------------*/ | ||
| class GUI_Speedo : public iGUI_Speedo, public GUI_Object | ||
| { | ||
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| private: | ||
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| int32 tick; | ||
| double speed; | ||
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| public: | ||
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| GUI_Speedo(); | ||
| ~GUI_Speedo(); | ||
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| void onClose(wxCloseEvent& event); | ||
| void render(wxDC& dc); | ||
| void paintNow(); | ||
| void renderSpeedo(); | ||
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| DECLARE_EVENT_TABLE() | ||
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| }; | ||
| /*----------------------------------------------------------------------------------------------*/ | ||
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| * gui_speedo.cpp | ||
| * | ||
| * Created on: Nov 4, 2008 | ||
| * Author: gheckler | ||
| */ | ||
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| #include "gui.h" | ||
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| extern wxColor red; | ||
| extern wxColor green; | ||
| extern wxColor blue; | ||
| extern wxColor yellow; | ||
| extern wxColor white; | ||
| extern wxColor black; | ||
| extern wxColor grey; | ||
| extern wxColor htext; | ||
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| DECLARE_APP(GUI_App) | ||
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| /*----------------------------------------------------------------------------------------------*/ | ||
| BEGIN_EVENT_TABLE(GUI_Speedo, wxFrame) | ||
| EVT_CLOSE(GUI_Speedo::onClose) | ||
| END_EVENT_TABLE() | ||
| /*----------------------------------------------------------------------------------------------*/ | ||
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| GUI_Speedo::GUI_Speedo():iGUI_Speedo(NULL, wxID_ANY, wxT("Speedo"), wxDefaultPosition, wxSize(600,400), wxDEFAULT_FRAME_STYLE|wxTAB_TRAVERSAL) | ||
| { | ||
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| speed = 0; | ||
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| } | ||
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| GUI_Speedo::~GUI_Speedo() | ||
| { | ||
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| } | ||
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| void GUI_Speedo::onClose(wxCloseEvent& evt) | ||
| { | ||
| wxCommandEvent cevt; | ||
| evt.Veto(); | ||
| pToplevel->onSpeedo(cevt); | ||
| } | ||
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| void GUI_Speedo::paintNow() | ||
| { | ||
| wxClientDC dc(this); | ||
| render(dc); | ||
| } | ||
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| void GUI_Speedo::render(wxDC& dc) | ||
| { | ||
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| renderSpeedo(); | ||
| //renderStat(); | ||
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| } | ||
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| void GUI_Speedo::renderSpeedo() | ||
| { | ||
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| int32 lcv; | ||
| wxPoint box[4]; | ||
| wxCoord w, h, rmin, rmax, dx, dy; | ||
| wxCoord dx1, dx2, dy1, dy2; | ||
| wxString str; | ||
| SPS_M *pNav = &p->sps; | ||
| double speed; | ||
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| speed += (2.23693629*sqrt(pNav->vz*pNav->vz + pNav->vy*pNav->vy + pNav->vx*pNav->vx) - speed)*.25; | ||
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| tick++; | ||
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| wxBufferedPaintDC dc(pspeed, wxBUFFER_VIRTUAL_AREA); | ||
| dc.Clear(); | ||
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| pspeed->GetClientSize(&w, &h); | ||
| dc.SetTextForeground(red); | ||
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| rmax = w > h ? w : h; | ||
| rmin = w < h ? w : h; | ||
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| box[0].x = 0; box[0].y = 0; | ||
| box[1].x = w; box[1].y = 0; | ||
| box[2].x = w; box[2].y = h; | ||
| box[3].x = 0; box[3].y = h; | ||
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| dc.SetBrush(wxBrush(black)); | ||
| dc.SetPen(wxPen(black, 1)); | ||
| dc.DrawPolygon(4, box, 0, 0); | ||
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| dc.SetBrush(wxBrush(black)); | ||
| dc.SetPen(wxPen(red, 2)); | ||
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| dc.DrawCircle(w/2, h*3/4, rmin * 11/16); | ||
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| dc.SetPen(wxPen(red, 2)); | ||
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| for(lcv = 0; lcv <= 20; lcv++) | ||
| { | ||
| dx1 = (rmin*10/16)*cos((lcv*10 + 170)*DEG_2_RAD); | ||
| dy1 = (rmin*10/16)*sin((lcv*10 + 170)*DEG_2_RAD); | ||
| dx2 = (rmin*11/16)*cos((lcv*10 + 170)*DEG_2_RAD); | ||
| dy2 = (rmin*11/16)*sin((lcv*10 + 170)*DEG_2_RAD); | ||
| dc.DrawLine(w/2 + dx1, h*3/4 + dy1, w/2 + dx2, h*3/4 + dy2); | ||
| } | ||
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| dc.SetPen(wxPen(blue, 2)); | ||
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| dc.DrawCircle(w/2, h*3/4, 4); | ||
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| dx = (rmin*9/16)*cos((speed + 170)*DEG_2_RAD); | ||
| dy = (rmin*9/16)*sin((speed + 170)*DEG_2_RAD); | ||
| dc.DrawLine(w/2, h*3/4, w/2 + dx, h*3/4 + dy); | ||
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| dc.SetBrush(wxBrush(red)); | ||
| dc.SetFont(wxFont(24, wxFONTFAMILY_TELETYPE, wxNORMAL, wxNORMAL)); | ||
| str.Printf(wxT("%6.1f"),speed); | ||
| dc.DrawText(str, (w - 7*dc.GetCharWidth())/2, h*4/5); | ||
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| // circle at (100, 150) with radius 60 dc.DrawCircle(100, 150, 60) ... | ||
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| } |
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