#include "wx/wx.h"
#include "fdmdv2_main.h"
-#include "fdmdv2_plot_spectrum.h"
extern float g_avmag[];
{
}
+//----------------------------------------------------------------
+// OnSize()
+//----------------------------------------------------------------
+void PlotSpectrum::OnSize(wxSizeEvent& event) {
+ printf("PlotSpectrum::OnSize\n");
+}
+
+//----------------------------------------------------------------
+// OnPaint()
+//----------------------------------------------------------------
+void PlotSpectrum::OnPaint(wxPaintEvent& event)
+{
+ printf("PlotSpectrum::OnPaint\n");
+ wxAutoBufferedPaintDC dc(this);
+ draw(dc);
+}
+
+//----------------------------------------------------------------
+// OnShow()
+//----------------------------------------------------------------
+void PlotSpectrum::OnShow(wxShowEvent& event)
+{
+}
+
//----------------------------------------------------------------
// draw()
//----------------------------------------------------------------
-void PlotSpectrum::draw(wxAutoBufferedPaintDC& pDC)
+void PlotSpectrum::draw(wxAutoBufferedPaintDC& dc)
{
+ m_rCtrl = GetClientRect();
+
+ // m_rGrid is coords of inner window we actually plot to. We deflate it a bit
+ // to leave room for axis labels.
+
+ m_rGrid = m_rCtrl;
+ m_rGrid = m_rGrid.Deflate(PLOT_BORDER + (XLEFT_OFFSET/2), (PLOT_BORDER + (YBOTTOM_OFFSET/2)));
+
+ // black background
+
+ m_rPlot = wxRect(PLOT_BORDER + XLEFT_OFFSET, PLOT_BORDER, m_rGrid.GetWidth(), m_rGrid.GetHeight());
+ wxBrush ltGraphBkgBrush = wxBrush(BLACK_COLOR);
+ dc.SetBrush(ltGraphBkgBrush);
+ dc.SetPen(wxPen(BLACK_COLOR, 0));
+ dc.DrawRectangle(m_rPlot);
+
+ // graticule
+
+ drawGraticule(dc);
+
+#ifdef OLD
+
wxMemoryDC m_mDC;
m_mDC.SelectObject(*m_pBmp);
m_rCtrl = GetClientRect();
}
m_mDC.SetBrush(wxNullBrush);
m_mDC.SelectObject(wxNullBitmap);
+#endif
}
//-------------------------------------------------------------------------
//-------------------------------------------------------------------------
void PlotSpectrum::drawGraticule(wxAutoBufferedPaintDC& dc)
{
- int p;
- char buf[15];
+ int x, y, text_w, text_h;
+ char buf[15];
wxString s;
- //int h_mod_inc = 0;
+ float f, dB, freq_hz_to_px, ampl_dB_to_px;
+
+ wxBrush ltGraphBkgBrush;
+ ltGraphBkgBrush.SetStyle(wxBRUSHSTYLE_TRANSPARENT);
+ ltGraphBkgBrush.SetColour(*wxBLACK);
+ dc.SetBrush(ltGraphBkgBrush);
+ dc.SetPen(wxPen(BLACK_COLOR, 1));
+
+ freq_hz_to_px = (float)m_rGrid.GetWidth()/(MAX_HZ-MIN_HZ);
+ ampl_dB_to_px = (float)m_rGrid.GetHeight()/(MAX_DB-MIN_DB);
+
+ // upper LH coords of plot area are (PLOT_BORDER + XLEFT_OFFSET, PLOT_BORDER)
+ // lower RH coords of plot area are (PLOT_BORDER + XLEFT_OFFSET + m_rGrid.GetWidth(),
+ // PLOT_BORDER + m_rGrid.GetHeight())
// Vertical gridlines
+
dc.SetPen(m_penShortDash);
- for(p = (PLOT_BORDER + XLEFT_OFFSET + GRID_INCREMENT); p < ((m_rGrid.GetWidth() - XLEFT_OFFSET) + GRID_INCREMENT); p += GRID_INCREMENT)
- {
- dc.DrawLine(p, (m_rGrid.GetHeight() + PLOT_BORDER), p, PLOT_BORDER);
- }
- int y_zero = (m_rGrid.GetHeight() - m_top) / 2 ;
- dc.SetPen(m_penSolid);
- dc.DrawLine(PLOT_BORDER + XLEFT_OFFSET, y_zero, (m_rGrid.GetWidth() + PLOT_BORDER + XLEFT_OFFSET), y_zero);
- sprintf(buf, "%6.0f", 0.0);
- dc.DrawText(buf, XLEFT_TEXT_OFFSET, y_zero + TEXT_BASELINE_OFFSET_Y);
+ for(f=STEP_HZ; f<MAX_HZ; f+=STEP_HZ) {
+ x = f*freq_hz_to_px;
+ x += PLOT_BORDER + XLEFT_OFFSET;
+ dc.DrawLine(x, m_rGrid.GetHeight() + PLOT_BORDER, x, PLOT_BORDER);
+ sprintf(buf, "%4.0fHz", f);
+ GetTextExtent(buf, &text_w, &text_h);
+ dc.DrawText(buf, x - text_w/2, m_rGrid.GetHeight() + PLOT_BORDER + YBOTTOM_TEXT_OFFSET);
+ }
// Horizontal gridlines
- dc.SetPen(m_penDotDash);
- for(p = 0; (y_zero + p) < m_rGrid.GetHeight() ; p += GRID_INCREMENT)
- {
- if(p > 0)
- {
- dc.DrawLine(PLOT_BORDER + XLEFT_OFFSET, (y_zero + p), (m_rGrid.GetWidth() + PLOT_BORDER + XLEFT_OFFSET), (y_zero + p));
- sprintf(buf, "%6.0f", (double)(p) * -10);
- dc.DrawText(buf, XLEFT_TEXT_OFFSET, (y_zero + p + TEXT_BASELINE_OFFSET_Y));
- dc.DrawLine(PLOT_BORDER + XLEFT_OFFSET, (y_zero - p), (m_rGrid.GetWidth() + PLOT_BORDER + XLEFT_OFFSET), (y_zero - p));
- sprintf(buf, "%6.0f", (double)(p) * 10);
- dc.DrawText(buf, XLEFT_TEXT_OFFSET, (y_zero - p + TEXT_BASELINE_OFFSET_Y));
- }
- }
+ for(dB=MIN_DB; dB<MAX_DB; dB+=STEP_DB) {
+ y = m_rGrid.GetHeight() + dB*ampl_dB_to_px;
+ y += PLOT_BORDER;
+ dc.DrawLine(PLOT_BORDER + XLEFT_OFFSET, y,
+ (m_rGrid.GetWidth() + PLOT_BORDER + XLEFT_OFFSET), y);
+ sprintf(buf, "%3.0fdB", dB);
+ GetTextExtent(buf, &text_w, &text_h);
+ dc.DrawText(buf, PLOT_BORDER + XLEFT_OFFSET - text_w - XLEFT_TEXT_OFFSET, y-text_h/2);
+ }
- // Label the X-Axis
- dc.SetPen(wxPen(GREY_COLOR, 1));
- for(p = GRID_INCREMENT; p < (m_rCtrl.GetWidth() - YBOTTOM_OFFSET); p += GRID_INCREMENT)
- {
- sprintf(buf, "%1.1f Hz",(double)(p / 10));
- dc.DrawText(buf, p - PLOT_BORDER + XLEFT_OFFSET, m_rCtrl.GetHeight() + YBOTTOM_OFFSET/2);
- }
-}
-//----------------------------------------------------------------
-// OnPaint()
-//----------------------------------------------------------------
-void PlotSpectrum::OnPaint(wxPaintEvent& event)
-{
- wxAutoBufferedPaintDC dc(this);
- draw(dc);
}
-//----------------------------------------------------------------
-// OnShow()
-//----------------------------------------------------------------
-void PlotSpectrum::OnShow(wxShowEvent& event)
-{
-// wxAutoBufferedPaintDC dc(this);
-// draw(dc);
-}
projects / freetel-svn-tracking.git / commitdiff