2014-11-15 23:41:41 -05:00
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#include "SpectrumCanvas.h"
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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#if !wxUSE_GLCANVAS
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#error "OpenGL required: set wxUSE_GLCANVAS to 1 and rebuild the library"
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#endif
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#include "CubicSDR.h"
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#include "CubicSDRDefs.h"
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#include "AppFrame.h"
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#include <algorithm>
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2014-11-25 00:35:06 -05:00
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#include <wx/numformatter.h>
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2015-01-01 21:10:54 -05:00
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#include "WaterfallCanvas.h"
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2014-11-15 23:41:41 -05:00
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wxBEGIN_EVENT_TABLE(SpectrumCanvas, wxGLCanvas) EVT_PAINT(SpectrumCanvas::OnPaint)
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EVT_IDLE(SpectrumCanvas::OnIdle)
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2015-01-03 17:07:39 -05:00
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EVT_MOTION(SpectrumCanvas::OnMouseMoved)
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EVT_LEFT_DOWN(SpectrumCanvas::OnMouseDown)
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EVT_LEFT_UP(SpectrumCanvas::OnMouseReleased)
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EVT_LEAVE_WINDOW(SpectrumCanvas::OnMouseLeftWindow)
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EVT_MOUSEWHEEL(SpectrumCanvas::OnMouseWheelMoved)
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2014-11-15 23:41:41 -05:00
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wxEND_EVENT_TABLE()
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SpectrumCanvas::SpectrumCanvas(wxWindow *parent, int *attribList) :
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InteractiveCanvas(parent, attribList), fft_size(0), waterfallCanvas(NULL), trackingRate(0) {
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2014-11-15 23:41:41 -05:00
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glContext = new SpectrumContext(this, &wxGetApp().GetContext(this));
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2014-11-25 00:35:06 -05:00
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2015-01-03 17:07:39 -05:00
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mouseTracker.setVertDragLock(true);
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2014-11-25 22:51:14 -05:00
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2014-11-25 00:35:06 -05:00
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SetCursor(wxCURSOR_SIZEWE);
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2014-11-15 23:41:41 -05:00
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}
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SpectrumCanvas::~SpectrumCanvas() {
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}
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void SpectrumCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
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wxPaintDC dc(this);
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2015-02-10 23:49:34 -05:00
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#ifdef __APPLE__ // force half-rate?
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glFinish();
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#endif
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const wxSize ClientSize = GetClientSize();
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if (visualDataQueue.empty()) {
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return;
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}
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SpectrumVisualData *vData;
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visualDataQueue.pop(vData);
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if (!vData) {
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return;
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}
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spectrum_points.assign(vData->spectrum_points.begin(),vData->spectrum_points.end());
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vData->decRefCount();
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2014-11-15 23:41:41 -05:00
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glContext->SetCurrent(*this);
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initGLExtensions();
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glViewport(0, 0, ClientSize.x, ClientSize.y);
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2015-01-15 00:59:33 -05:00
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glContext->BeginDraw(ThemeMgr::mgr.currentTheme->fftBackground.r, ThemeMgr::mgr.currentTheme->fftBackground.g, ThemeMgr::mgr.currentTheme->fftBackground.b);
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glContext->Draw(spectrum_points, getCenterFrequency(), getBandwidth());
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2014-11-15 23:41:41 -05:00
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2014-12-08 21:08:03 -05:00
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std::vector<DemodulatorInstance *> &demods = wxGetApp().getDemodMgr().getDemodulators();
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for (int i = 0, iMax = demods.size(); i < iMax; i++) {
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glContext->DrawDemodInfo(demods[i], ThemeMgr::mgr.currentTheme->fftHighlight, getCenterFrequency(), getBandwidth());
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}
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glContext->EndDraw();
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2014-11-15 23:41:41 -05:00
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SwapBuffers();
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}
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void SpectrumCanvas::OnIdle(wxIdleEvent &event) {
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Refresh(false);
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}
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2015-04-23 19:38:44 -04:00
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void SpectrumCanvas::moveCenterFrequency(long long freqChange) {
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long long freq = wxGetApp().getFrequency();
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if (isView) {
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if (centerFreq - freqChange < bandwidth/2) {
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centerFreq = bandwidth/2;
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} else {
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centerFreq -= freqChange;
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}
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if (waterfallCanvas) {
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waterfallCanvas->setCenterFrequency(centerFreq);
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}
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long long bwOfs = (centerFreq > freq) ? ((long long) bandwidth / 2) : (-(long long) bandwidth / 2);
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long long freqEdge = centerFreq + bwOfs;
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if (abs(freq - freqEdge) > (wxGetApp().getSampleRate() / 2)) {
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freqChange = -((centerFreq > freq) ? (freqEdge - freq - (wxGetApp().getSampleRate() / 2)) : (freqEdge - freq + (wxGetApp().getSampleRate() / 2)));
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} else {
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freqChange = 0;
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}
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}
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if (freqChange) {
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if (freq - freqChange < wxGetApp().getSampleRate()/2) {
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freq = wxGetApp().getSampleRate()/2;
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} else {
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freq -= freqChange;
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}
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wxGetApp().setFrequency(freq);
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setStatusText("Set center frequency: %s", freq);
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}
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}
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2015-01-03 17:07:39 -05:00
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void SpectrumCanvas::OnMouseMoved(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseMoved(event);
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if (mouseTracker.mouseDown()) {
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int freqChange = mouseTracker.getDeltaMouseX() * getBandwidth();
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if (freqChange != 0) {
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moveCenterFrequency(freqChange);
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}
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} else {
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setStatusText("Click and drag to adjust center frequency.");
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}
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}
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2015-01-03 17:07:39 -05:00
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void SpectrumCanvas::OnMouseDown(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseDown(event);
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SetCursor(wxCURSOR_CROSS);
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}
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2015-01-03 17:07:39 -05:00
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void SpectrumCanvas::OnMouseWheelMoved(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseWheelMoved(event);
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}
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2015-01-03 17:07:39 -05:00
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void SpectrumCanvas::OnMouseReleased(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseReleased(event);
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2014-11-25 00:35:06 -05:00
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SetCursor(wxCURSOR_SIZEWE);
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}
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2015-01-03 17:07:39 -05:00
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void SpectrumCanvas::OnMouseLeftWindow(wxMouseEvent& event) {
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InteractiveCanvas::OnMouseLeftWindow(event);
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2014-11-25 00:35:06 -05:00
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SetCursor(wxCURSOR_SIZEWE);
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}
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2015-01-01 21:10:54 -05:00
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void SpectrumCanvas::attachWaterfallCanvas(WaterfallCanvas* canvas_in) {
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waterfallCanvas = canvas_in;
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}
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2014-11-25 00:35:06 -05:00
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2015-03-01 13:07:09 -05:00
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SpectrumContext* SpectrumCanvas::getSpectrumContext() {
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return glContext;
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}
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2015-08-03 01:38:38 -04:00
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SpectrumVisualDataQueue *SpectrumCanvas::getVisualDataQueue() {
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return &visualDataQueue;
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}
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