void dialogAnalog::initPixmap(QSize size)
{
// resize the pixmap
// complete it
// Draw plot
QPainter painter;
int heightPerField = size.height() / NbBits;
lastPixmap=QPixmap( size.width(), size.height() );
lastPixmap.fill(Qt::black);
painter.begin(&lastPixmap);
// set font ------------------------------------------------------------------------------------
QFont textFont;
textFont.setPixelSize(heightPerField / 2);
painter.setFont(textFont);
// set the needed pens -------------------------------------------------------------------------
QPen linePen(QColor(100,100,100));
QPen textPen(QColor(255, 255, 255));
QPen gridPen(QColor(100, 100, 100));
QColor greenColor(Qt::green);
QPen dataPen(greenColor);
// draw the fields and the text ----------------------------------------------------------------
{
int current = heightPerField;
for (int i = 0; i < (NbBits - 1); i++)
{
painter.setPen(linePen);
painter.drawLine(0, current, size.width(), current);
painter.setPen(textPen);
QString lbl = QString::number(i+1);
if (currentlabels.contains(i+1)) lbl += "-"+currentlabels[i+1];
painter.drawText(10, current - heightPerField / 3, lbl);
current += heightPerField;
}
painter.setPen(textPen);
painter.drawText(10, current - 15, QString::number(NbBits));
}
painter.end();
}
// ****** Constructor:
AudioVisualizer::AudioVisualizer() : wxFrame((wxFrame *)NULL, -1, wxT("RT-Tuner"), wxDefaultPosition, wxSize(500, 500))
{
// Menus:
wxMenu *fileMenu = new wxMenu();
fileMenu->Append(ID_QUIT, wxT("E&xit\tAlt-X"));
wxMenuBar *menu_bar = new wxMenuBar();
menu_bar->Append(fileMenu, wxT("&File"));
SetMenuBar(menu_bar);
CreateStatusBar(1);
SetStatusText(wxT(""), 0);
// Main window:
wxBoxSizer* windowsizer = new wxBoxSizer(wxVERTICAL);
// -- Notebook widget
notebook = new wxNotebook(this, ID_BOOKCTRL, wxDefaultPosition, wxDefaultSize, 0 );
// ---- Spectrum tab
spectropanel = new wxPanel(notebook, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
wxBoxSizer* spectrosizer = new wxBoxSizer(wxVERTICAL);
// ------ initialize the dataLayer vector
std::vector<double> spectrum;
std::vector<double> scale;
dataLayer = new mpFXYVector();
for (size_t i = 0; i < AUDIO_BUFFER_FRAMES; i += 1) {
spectrum.push_back(0);
scale.push_back(i);
}
dataLayer->SetData(scale, spectrum);
dataLayer->SetContinuity(true);
wxPen dataPen(*wxBLUE, 2, wxSOLID);
dataLayer->SetPen(dataPen);
dataLayer->SetDrawOutsideMargins(false);
// ------ create and configure the graph
m_Plot = new mpWindow(spectropanel, -1, wxPoint(0, 0), wxSize(100, 100), wxSUNKEN_BORDER);
mpScaleX* xaxis = new mpScaleX(wxT("frequency"), mpALIGN_CENTER, TRUE, mpX_NORMAL);
mpScaleY* yaxis = new mpScaleY(wxT("magnitude"), mpALIGN_CENTER, TRUE);
m_Plot->AddLayer(xaxis);
m_Plot->AddLayer(yaxis);
m_Plot->AddLayer(dataLayer);
m_Plot->EnableDoubleBuffer(true);
m_Plot->EnableMousePanZoom(false);
m_Plot->SetMPScrollbars(false);
m_Plot->Fit();
// ------ create the log window
m_Log = new wxTextCtrl(spectropanel, -1, wxT("---Program started---\n"), wxPoint(0, 0), wxSize(100, 100), wxTE_MULTILINE);
wxLog *old_log = wxLog::SetActiveTarget(new wxLogTextCtrl(m_Log));
delete old_log;
// ------ (layout organization)
spectrosizer->Add(m_Plot, 1, wxALL | wxEXPAND, 5);
spectrosizer->Add(m_Log, 0, wxALL | wxEXPAND, 5);
spectropanel->SetSizer(spectrosizer);
spectropanel->Layout();
spectrosizer->Fit(spectropanel);
notebook->AddPage(spectropanel, wxT("Spectrum"), true);
// ---- Tuner tab
tunerpanel = new wxPanel(notebook);
wxBoxSizer* tunersizer = new wxBoxSizer(wxVERTICAL);
// ------ configure the needle gauge and text labels
AudioVisualizer::SetUpAngularMeter(tunerpanel);
m_FreqText = new wxStaticText(tunerpanel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_CENTER | wxTE_MULTILINE);
m_NoteText = new wxStaticText(tunerpanel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_CENTER | wxTE_MULTILINE);
// ------ (layout organization)
tunersizer->Add(m_AngularMeter, 0, wxALIGN_CENTER_HORIZONTAL);
tunersizer->Add(m_FreqText, 1, wxALL | wxALIGN_CENTER_HORIZONTAL, 5);
tunersizer->Add(m_NoteText, 1, wxALL | wxALIGN_CENTER_HORIZONTAL, 5);
tunerpanel->SetSizer(tunersizer);
tunerpanel->Layout();
tunersizer->Fit(tunerpanel);
notebook->AddPage(tunerpanel, wxT("Tuner"), false);
windowsizer->Add(notebook, 1, wxEXPAND | wxALL, 5);
// -- Start/stop button
startstopButton = new wxButton(this, ID_STARTSTOP_BUTTON, wxT("&Stop"), wxDefaultPosition, wxDefaultSize, 0);
startstopButton->Enable(true);
// ----(layout organization)
windowsizer->Add(startstopButton, 0, wxALL | wxALIGN_CENTER_HORIZONTAL, 5);
this->SetSizer(windowsizer);
this->Layout();
this->Centre(wxBOTH);
this->RefreshWindow();
// -- Timer
m_timer = new wxTimer(this, ID_REFRESH_TIMER);
m_timer->Start(REFRESH_INTERVAL);
// initialize audio capturer
capturer = new AudioCapturer(this->dataLayer, &this->totalfreq, &this->freqcount);
this->running = true; // indicate that the audio function is running
}