mirror of
https://github.com/cjcliffe/CubicSDR.git
synced 2024-11-11 06:36:13 -05:00
374 lines
11 KiB
C++
374 lines
11 KiB
C++
#include "WaterfallCanvas.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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#include <wx/numformatter.h>
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wxBEGIN_EVENT_TABLE(WaterfallCanvas, wxGLCanvas) EVT_PAINT(WaterfallCanvas::OnPaint)
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EVT_KEY_DOWN(WaterfallCanvas::OnKeyDown)
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EVT_IDLE(WaterfallCanvas::OnIdle)
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EVT_MOTION(WaterfallCanvas::mouseMoved)
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EVT_LEFT_DOWN(WaterfallCanvas::mouseDown)
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EVT_LEFT_UP(WaterfallCanvas::mouseReleased)
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EVT_LEAVE_WINDOW(WaterfallCanvas::mouseLeftWindow)
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EVT_ENTER_WINDOW(WaterfallCanvas::mouseEnterWindow)
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wxEND_EVENT_TABLE()
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WaterfallCanvas::WaterfallCanvas(wxWindow *parent, int *attribList) :
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wxGLCanvas(parent, wxID_ANY, attribList, wxDefaultPosition, wxDefaultSize,
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wxFULL_REPAINT_ON_RESIZE), parent(parent), frameTimer(0), activeDemodulatorBandwidth(0), activeDemodulator(NULL), dragState(WF_DRAG_NONE), nextDragState(
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WF_DRAG_NONE) {
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int in_block_size = BUF_SIZE / 2;
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int out_block_size = FFT_SIZE;
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in = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * in_block_size);
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out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * out_block_size);
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plan = fftw_plan_dft_1d(out_block_size, in, out, FFTW_FORWARD, FFTW_MEASURE);
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fft_ceil_ma = fft_ceil_maa = 100.0;
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fft_floor_ma = fft_floor_maa = 0.0;
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glContext = new WaterfallContext(this, &wxGetApp().GetContext(this));
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timer.start();
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mTracker.setTarget(this);
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SetCursor(wxCURSOR_CROSS);
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}
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WaterfallCanvas::~WaterfallCanvas() {
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}
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int WaterfallCanvas::GetFrequencyAt(float x) {
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int center_freq = wxGetApp().getFrequency();
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int freq = center_freq - (int) (0.5 * (float) SRATE) + (int) ((float) x * (float) SRATE);
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return freq;
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}
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void WaterfallCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
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wxPaintDC dc(this);
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const wxSize ClientSize = GetClientSize();
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glContext->SetCurrent(*this);
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glViewport(0, 0, ClientSize.x, ClientSize.y);
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glContext->BeginDraw();
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glContext->Draw(spectrum_points);
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std::vector<DemodulatorInstance *> &demods = wxGetApp().getDemodMgr().getDemodulators();
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if (mTracker.mouseInView()) {
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if (activeDemodulator == NULL) {
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glContext->DrawFreqSelector(mTracker.getMouseX(), 0, 1, 0);
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} else {
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glContext->DrawDemod(activeDemodulator, 1, 1, 0);
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}
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}
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for (int i = 0, iMax = demods.size(); i < iMax; i++) {
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if (activeDemodulator == demods[i]) {
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continue;
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}
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glContext->DrawDemod(demods[i]);
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}
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glContext->EndDraw();
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SwapBuffers();
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}
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void WaterfallCanvas::OnKeyDown(wxKeyEvent& event) {
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float angle = 5.0;
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unsigned int freq;
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switch (event.GetKeyCode()) {
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case WXK_RIGHT:
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freq = wxGetApp().getFrequency();
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freq += SRATE / 2;
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wxGetApp().setFrequency(freq);
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((wxFrame*) parent)->GetStatusBar()->SetStatusText(wxString::Format(wxT("Set center frequency: %i"), freq));
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break;
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case WXK_LEFT:
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freq = wxGetApp().getFrequency();
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freq -= SRATE / 2;
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wxGetApp().setFrequency(freq);
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((wxFrame*) parent)->GetStatusBar()->SetStatusText(wxString::Format(wxT("Set center frequency: %i"), freq));
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break;
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case WXK_DOWN:
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break;
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case WXK_UP:
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break;
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case WXK_SPACE:
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break;
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default:
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event.Skip();
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return;
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}
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}
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void WaterfallCanvas::setData(std::vector<signed char> *data) {
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if (data && data->size()) {
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if (spectrum_points.size() < FFT_SIZE * 2) {
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spectrum_points.resize(FFT_SIZE * 2);
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}
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for (int i = 0; i < BUF_SIZE / 2; i++) {
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in[i][0] = (float) (*data)[i * 2] / 127.0f;
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in[i][1] = (float) (*data)[i * 2 + 1] / 127.0f;
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}
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fftw_execute(plan);
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double fft_ceil = 0, fft_floor = 1;
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if (fft_result.size() < FFT_SIZE) {
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fft_result.resize(FFT_SIZE);
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fft_result_ma.resize(FFT_SIZE);
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fft_result_maa.resize(FFT_SIZE);
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}
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int n;
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for (int i = 0, iMax = FFT_SIZE / 2; i < iMax; i++) {
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n = (i == 0) ? 1 : i;
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double a = out[n][0];
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double b = out[n][1];
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double c = sqrt(a * a + b * b);
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n = (i == FFT_SIZE / 2) ? (FFT_SIZE / 2 + 1) : i;
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double x = out[FFT_SIZE / 2 + n][0];
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double y = out[FFT_SIZE / 2 + n][1];
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double z = sqrt(x * x + y * y);
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fft_result[i] = (z);
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fft_result[FFT_SIZE / 2 + i] = (c);
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}
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float time_slice = (float) SRATE / (float) (BUF_SIZE / 2);
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for (int i = 0, iMax = FFT_SIZE; i < iMax; i++) {
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fft_result_maa[i] += (fft_result_ma[i] - fft_result_maa[i]) * 0.65;
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fft_result_ma[i] += (fft_result[i] - fft_result_ma[i]) * 0.65;
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if (fft_result_maa[i] > fft_ceil) {
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fft_ceil = fft_result_maa[i];
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}
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if (fft_result_maa[i] < fft_floor) {
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fft_floor = fft_result_maa[i];
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}
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}
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fft_ceil += 1;
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fft_floor -= 1;
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fft_ceil_ma = fft_ceil_ma + (fft_ceil - fft_ceil_ma) * 0.01;
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fft_ceil_maa = fft_ceil_maa + (fft_ceil_ma - fft_ceil_maa) * 0.01;
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fft_floor_ma = fft_floor_ma + (fft_floor - fft_floor_ma) * 0.01;
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fft_floor_maa = fft_floor_maa + (fft_floor_ma - fft_floor_maa) * 0.01;
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for (int i = 0, iMax = FFT_SIZE; i < iMax; i++) {
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float v = (log10(fft_result_maa[i] - fft_floor_maa) / log10(fft_ceil_maa - fft_floor_maa));
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spectrum_points[i * 2] = ((float) i / (float) iMax);
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spectrum_points[i * 2 + 1] = v;
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}
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}
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}
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void WaterfallCanvas::OnIdle(wxIdleEvent &event) {
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// timer.update();
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// frameTimer += timer.lastUpdateSeconds();
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// if (frameTimer > 1.0/30.0) {
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Refresh(false);
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// frameTimer = 0;
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// }
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}
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void WaterfallCanvas::mouseMoved(wxMouseEvent& event) {
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mTracker.OnMouseMoved(event);
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DemodulatorInstance *demod = activeDemodulator;
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if (mTracker.mouseDown()) {
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if (demod == NULL) {
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return;
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}
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if (dragState == WF_DRAG_BANDWIDTH_LEFT || dragState == WF_DRAG_BANDWIDTH_RIGHT) {
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int bwDiff = (int) (mTracker.getDeltaMouseX() * (float) SRATE) * 2;
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if (dragState == WF_DRAG_BANDWIDTH_LEFT) {
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bwDiff = -bwDiff;
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}
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if (!activeDemodulatorBandwidth) {
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activeDemodulatorBandwidth = demod->getParams().bandwidth;
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}
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DemodulatorThreadCommand command;
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command.cmd = DemodulatorThreadCommand::DEMOD_THREAD_CMD_SET_BANDWIDTH;
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activeDemodulatorBandwidth = activeDemodulatorBandwidth + bwDiff;
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if (activeDemodulatorBandwidth < 1000) {
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activeDemodulatorBandwidth = 1000;
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}
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if (activeDemodulatorBandwidth > SRATE) {
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activeDemodulatorBandwidth = SRATE;
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}
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command.int_value = activeDemodulatorBandwidth;
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demod->getCommandQueue()->push(command);
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}
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if (dragState == WF_DRAG_FREQUENCY) {
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int bwDiff = (int) (mTracker.getDeltaMouseX() * (float) SRATE);
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if (!activeDemodulatorFrequency) {
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activeDemodulatorFrequency = demod->getParams().frequency;
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}
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DemodulatorThreadCommand command;
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command.cmd = DemodulatorThreadCommand::DEMOD_THREAD_CMD_SET_FREQUENCY;
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activeDemodulatorFrequency = activeDemodulatorFrequency + bwDiff;
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command.int_value = activeDemodulatorFrequency;
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demod->getCommandQueue()->push(command);
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}
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} else {
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int freqPos = GetFrequencyAt(mTracker.getMouseX());
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activeDemodulator = NULL;
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std::vector<DemodulatorInstance *> *demodsHover = wxGetApp().getDemodMgr().getDemodulatorsAt(freqPos, 15000);
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if (demodsHover->size()) {
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int hovered = -1;
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int near_dist = SRATE;
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for (int i = 0, iMax = demodsHover->size(); i < iMax; i++) {
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DemodulatorInstance *demod = (*demodsHover)[i];
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int halfBw = (demod->getParams().bandwidth/2);
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int freqDiff = (int) demod->getParams().frequency - freqPos;
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int dist = abs(freqDiff);
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if (dist < near_dist) {
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activeDemodulator = demod;
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near_dist = dist;
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}
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if (dist <= halfBw && dist >= (int)((float)halfBw/(float)1.5)) {
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int edge_dist = abs(halfBw - dist);
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if (edge_dist < near_dist) {
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activeDemodulator = demod;
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near_dist = edge_dist;
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}
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}
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}
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int freqDiff = ((int) activeDemodulator->getParams().frequency - freqPos);
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if (abs(freqDiff) > (activeDemodulator->getParams().bandwidth / 3)) {
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SetCursor(wxCURSOR_SIZEWE);
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if (freqDiff > 0) {
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nextDragState = WF_DRAG_BANDWIDTH_LEFT;
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} else {
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nextDragState = WF_DRAG_BANDWIDTH_RIGHT;
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}
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mTracker.setVertDragLock(true);
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mTracker.setHorizDragLock(false);
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} else {
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SetCursor(wxCURSOR_SIZING);
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nextDragState = WF_DRAG_FREQUENCY;
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mTracker.setVertDragLock(true);
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mTracker.setHorizDragLock(false);
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}
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} else {
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SetCursor(wxCURSOR_CROSS);
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nextDragState = WF_DRAG_NONE;
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}
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delete demodsHover;
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}
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}
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void WaterfallCanvas::mouseDown(wxMouseEvent& event) {
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mTracker.OnMouseDown(event);
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dragState = nextDragState;
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activeDemodulatorBandwidth = 0;
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activeDemodulatorFrequency = 0;
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}
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void WaterfallCanvas::mouseWheelMoved(wxMouseEvent& event) {
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DemodulatorInstance *demod = wxGetApp().getDemodTest();
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mTracker.OnMouseWheelMoved(event);
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}
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void WaterfallCanvas::mouseReleased(wxMouseEvent& event) {
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mTracker.OnMouseReleased(event);
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if (mTracker.getOriginDeltaMouseX() == 0 && mTracker.getOriginDeltaMouseY() == 0 && dragState == WF_DRAG_NONE) {
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if (activeDemodulator == NULL) {
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return;
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}
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float pos = mTracker.getMouseX();
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int center_freq = wxGetApp().getFrequency();
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DemodulatorInstance *demod = activeDemodulator;
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int freq = center_freq - (int) (0.5 * (float) SRATE) + (int) ((float) pos * (float) SRATE);
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DemodulatorThreadCommand command;
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command.cmd = DemodulatorThreadCommand::DEMOD_THREAD_CMD_SET_FREQUENCY;
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command.int_value = freq;
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demod->getCommandQueue()->push(command);
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((wxFrame*) parent)->GetStatusBar()->SetStatusText(
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wxString::Format(wxT("Set center frequency: %s"),
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wxNumberFormatter::ToString((long) freq, wxNumberFormatter::Style_WithThousandsSep)));
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}
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dragState = WF_DRAG_NONE;
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mTracker.setVertDragLock(true);
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mTracker.setHorizDragLock(true);
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SetCursor(wxCURSOR_CROSS);
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}
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void WaterfallCanvas::mouseLeftWindow(wxMouseEvent& event) {
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mTracker.OnMouseLeftWindow(event);
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SetCursor(wxCURSOR_CROSS);
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activeDemodulator = NULL;
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}
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void WaterfallCanvas::mouseEnterWindow(wxMouseEvent& event) {
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mTracker.OnMouseEnterWindow(event);
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SetCursor(wxCURSOR_CROSS);
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}
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