NumberScale SpectrogramSettings::GetScale
(float minFreq, float maxFreq, double rate, bool bins) const
{
NumberScaleType type = nstLinear;
const auto half = GetFFTLength() / 2;
// Don't assume the correspondence of the enums will remain direct in the future.
// Do this switch.
switch (scaleType) {
default:
wxASSERT(false);
case stLinear:
type = nstLinear; break;
case stLogarithmic:
type = nstLogarithmic; break;
case stMel:
type = nstMel; break;
case stBark:
type = nstBark; break;
case stErb:
type = nstErb; break;
case stPeriod:
type = nstPeriod; break;
}
return NumberScale(type, minFreq, maxFreq,
bins ? rate / (2 * half) : 1.0f);
}
NumberScale SpectrogramSettings::GetScale( float minFreq, float maxFreq ) const
{
NumberScaleType type = nstLinear;
// Don't assume the correspondence of the enums will remain direct in the future.
// Do this switch.
switch (scaleType) {
default:
wxASSERT(false);
case stLinear:
type = nstLinear; break;
case stLogarithmic:
type = nstLogarithmic; break;
case stMel:
type = nstMel; break;
case stBark:
type = nstBark; break;
case stErb:
type = nstErb; break;
case stPeriod:
type = nstPeriod; break;
}
return NumberScale(type, minFreq, maxFreq);
}
NumberScale SpectrogramSettings::GetScale
(double rate, bool bins) const
{
int minFreq, maxFreq;
NumberScaleType type = nstLinear;
const int half = GetFFTLength() / 2;
// Don't assume the correspondence of the enums will remain direct in the future.
// Do this switch.
switch (scaleType) {
default:
wxASSERT(false);
case stLinear:
type = nstLinear; break;
case stLogarithmic:
type = nstLogarithmic; break;
case stMel:
type = nstMel; break;
case stBark:
type = nstBark; break;
case stErb:
type = nstErb; break;
case stUndertone:
type = nstUndertone; break;
}
switch (scaleType) {
default:
wxASSERT(false);
case stLinear:
minFreq = GetMinFreq(rate);
maxFreq = GetMaxFreq(rate);
break;
case stLogarithmic:
case stMel:
case stBark:
case stErb:
minFreq = GetLogMinFreq(rate);
maxFreq = GetLogMaxFreq(rate);
break;
case stUndertone:
{
const float bin2 = rate / half;
minFreq = std::max(int(0.5 + bin2), GetLogMinFreq(rate));
maxFreq = GetLogMaxFreq(rate);
}
break;
}
return NumberScale(type, minFreq, maxFreq,
bins ? rate / (2 * half) : 1.0f);
}
void wxGISMapView::OnMouseWheel(wxMouseEvent& event)
{
//event.Skip(false);
DestroyDrawThread();
int nDirection = event.GetWheelRotation();
int nDelta = event.GetWheelDelta();
int nFactor = nDirection / nDelta;
m_nDrawingState = enumGISMapWheeling;
m_nFactor += ZOOM_FACTOR * (double)nFactor;
if(m_pGISDisplay)
{
double dZoom = 1;
if(m_nFactor < 0)
dZoom = fabs(1.0 / (m_nFactor - 1));
else if(m_nFactor > 0)
dZoom = 1 + m_nFactor;
wxClientDC CDC(this);
m_pGISDisplay->WheelingDraw(dZoom, &CDC);
//draw scale text
OGREnvelope Env = CreateEnvelopeFromZoomFactor(dZoom);
if(Env.IsInit())
{
double sScale = GetScaleRatio( Env, CDC );
wxString sFormatScale = NumberScale(sScale);
sFormatScale.Prepend(wxT("1 : "));
DrawToolTip(CDC, sFormatScale);
}
}
//if(!m_timer.IsRunning())
m_timer.Start(TM_WHEELING);
}
void wxGISMapView::OnMouseWheel(wxMouseEvent& event)
{
event.Skip();
m_pTrackCancel->Cancel();
if(m_pThread)
m_pThread->Delete();
wxClientDC CDC(this);
IDisplayTransformation* pDisplayTransformation = pGISScreenDisplay->GetDisplayTransformation();
if(pDisplayTransformation)
{
if(!(m_MouseState & enumGISMouseWheel))
{
m_virtualrc = GetClientRect();
m_virtualbounds = pDisplayTransformation->GetBounds();
m_MouseState |= enumGISMouseWheel;
}
int direction = event.GetWheelRotation();
int delta = event.GetWheelDelta();
int factor = direction / delta;
double world_zoom = ZOOM_FACTOR * (double)factor;
//calc zoom dc
int dx(0), dy(0);
if(factor < 0)
{
dx = ((double)m_virtualrc.width * (world_zoom / (world_zoom - 1))) / -2;
dy = ((double)m_virtualrc.height * (world_zoom / (world_zoom - 1))) / -2;
}
else
{
//dx = (double)m_virtualrc.width * (world_zoom) / (-2 * (1 + world_zoom));
//dy = (double)m_virtualrc.height * (world_zoom) / (-2 * (1 + world_zoom));
dx = ((double)m_virtualrc.width * (world_zoom)) / 2;
dy = ((double)m_virtualrc.height * (world_zoom)) / 2;
}
m_virtualrc.Inflate(dx, dy);
if(m_virtualrc.width <= 10 || m_virtualrc.height <= 10)
return;
m_virtualrc.CenterIn(GetClientRect());
wxCoord x = m_virtualrc.x;
wxCoord y = m_virtualrc.y;
//calc zoom world
double dwx(0), dwy(0);
if(factor < 0)
{
dwx = (m_virtualbounds.MaxX - m_virtualbounds.MinX) * (world_zoom) / 2;
dwy = (m_virtualbounds.MaxY - m_virtualbounds.MinY) * (world_zoom) / 2;
}
else
{
dwx = (m_virtualbounds.MaxX - m_virtualbounds.MinX) * (world_zoom) / (2 * (1 + world_zoom));
dwy = (m_virtualbounds.MaxY - m_virtualbounds.MinY) * (world_zoom) / (2 * (1 + world_zoom));
}
m_virtualbounds.MaxX -= dwx;
m_virtualbounds.MinX += dwx;
m_virtualbounds.MaxY -= dwy;
m_virtualbounds.MinY += dwy;
wxClientDC CDC(this);
if(!m_virtualrc.Contains(GetClientRect()))//(factor < 0)
pGISScreenDisplay->OnStretchDraw(CDC, m_virtualrc.width, m_virtualrc.height, x, y, true, enumGISQualityBicubic/*enumGISQualityBilinear*/);
else
{
wxRect client_rc = GetClientRect();
wxRect rc = client_rc;
rc.width = rc.width * rc.width / m_virtualrc.width;
rc.height = rc.height * rc.height / m_virtualrc.height;
rc.x = client_rc.x + (client_rc.width - rc.width) / 2;
rc.y = client_rc.y + (client_rc.height - rc.height) / 2;
pGISScreenDisplay->OnStretchDraw2(CDC, rc, false, enumGISQualityFourQuadBilinear);//enumGISQualityHalfBilinear//enumGISQualityHalfQuadBilinear//enumGISQualityNearest//
}
pDisplayTransformation->SetBounds(m_virtualbounds);
//draw scale text
double sc = pDisplayTransformation->GetScaleRatio();
wxString format_s = NumberScale(sc);
format_s.Prepend(wxT("1 : "));
//wxString s = wxString::Format(_("1 : %.2f"), sc);
//1 / (m_virtualbounds.MaxX - m_virtualbounds.MinX)/*pDisplayTransformation->GetScaleRatio()*/ * 243.84);
wxSize size = GetClientSize();
int width, height;
CDC.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
CDC.GetTextExtent(format_s, &width, &height);
wxBrush br(wxSystemSettings::GetColour(wxSYS_COLOUR_INFOBK));
CDC.SetBrush(br);
CDC.SetPen(*wxBLACK_PEN);
int x1 = (size.x - width) / 2, y1 = (size.y - height) - 50/*/ 2*/;
CDC.DrawRectangle( x1 - 5, y1 - 2, width + 10, height + 4);
CDC.DrawText(format_s, x1, y1);
////SetToolTip( //96 * 2.54
//wxTipWindow* m_pTipWnd;
//if(m_pTipWnd)
// wxDELETE(m_pTipWnd);
//wxRect client_rc = GetScreenRect();
//m_pTipWnd = new wxTipWindow(this, wxString::Format(_("1 : %.2f"), 1 / (m_virtualbounds.MaxX - m_virtualbounds.MinX)/*pDisplayTransformation->GetScaleRatio()*/ * 243.84), 200, &m_pTipWnd, &client_rc);
//m_pTipWnd->Hide();
//wxPoint pt = client_rc.GetPosition();
//pt.x += client_rc.width / 2 - m_pTipWnd->GetSize().GetWidth() * 1.5 ;
//pt.y += client_rc.height / 2 - m_pTipWnd->GetSize().GetHeight() * 1.5;
//m_pTipWnd->Position(pt,m_pTipWnd->GetSize());
//m_pTipWnd->Show();
//if(m_pTipWnd)
//{
// wxDELETE(m_pTipWnd);
// m_pTipWnd = NULL;
//}
//, m_pTipWnd(NULL)
m_timer.Start(WAITTIME);
}
}
