Panel that displays mixing for advanced mixing option. More...

#include <ExportMixerPanel.h>

Inheritance diagram for ExportMixerPanel:

Collaboration diagram for ExportMixerPanel:

Public Member Functions
	ExportMixerPanel (wxWindow parent, wxWindowID id, MixerOptions::Downmix mixerSpec, wxArrayString trackNames, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize)

virtual	~ExportMixerPanel ()

void	OnMouseEvent (wxMouseEvent &event)

void	OnPaint (wxPaintEvent &event)

Public Member Functions inherited from wxPanelWrapper
	wxPanelWrapper ()

	wxPanelWrapper (wxWindow *parent, wxWindowID winid=wxID_ANY, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=wxTAB_TRAVERSAL\|wxNO_BORDER, const TranslatableString &name=XO("Panel"))

bool	Create (wxWindow *parent, wxWindowID winid=wxID_ANY, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=wxTAB_TRAVERSAL\|wxNO_BORDER, const TranslatableString &name=XO("Panel"))

void	SetLabel (const TranslatableString &label)

void	SetName (const TranslatableString &name)

void	SetToolTip (const TranslatableString &toolTip)

void	SetName ()

Public Member Functions inherited from wxTabTraversalWrapper< wxPanel >
	wxTabTraversalWrapper (Args &&... args)

	wxTabTraversalWrapper (const wxTabTraversalWrapper &)=delete

	wxTabTraversalWrapper (wxTabTraversalWrapper &&)=delete

wxTabTraversalWrapper &	operator= (const wxTabTraversalWrapper &)=delete

wxTabTraversalWrapper &	operator= (wxTabTraversalWrapper &&)=delete

Private Member Functions
void	SetFont (wxMemoryDC &memDC, const wxString &text, int width, int height)

double	Distance (wxPoint &a, wxPoint &b)

bool	IsOnLine (wxPoint p, wxPoint la, wxPoint lb)

Private Attributes
std::unique_ptr< wxBitmap >	mBitmap

wxRect	mEnvRect

int	mWidth

int	mHeight

MixerOptions::Downmix *	mMixerSpec

ArrayOf< wxRect >	mChannelRects

ArrayOf< wxRect >	mTrackRects

int	mSelectedTrack

int	mSelectedChannel

wxArrayString	mTrackNames

int	mBoxWidth

int	mChannelHeight

int	mTrackHeight

Detailed Description

Panel that displays mixing for advanced mixing option.

Definition at line 25 of file ExportMixerPanel.h.

Constructor & Destructor Documentation

◆ ExportMixerPanel()

ExportMixerPanel::ExportMixerPanel	(	wxWindow *	parent,
		wxWindowID	id,
		MixerOptions::Downmix *	mixerSpec,
		wxArrayString	trackNames,
		const wxPoint &	pos = `wxDefaultPosition`,
		const wxSize &	size = `wxDefaultSize`
	)

Definition at line 25 of file ExportMixerPanel.cpp.

                                             :
   wxPanelWrapper(parent, id, pos, size)
   , mMixerSpec{mixerSpec}
   , mChannelRects{ mMixerSpec->GetMaxNumChannels() }
   , mTrackRects{ mMixerSpec->GetNumTracks() }
{
   mBitmap = NULL;
   mWidth = 0;
   mHeight = 0;
   mSelectedTrack = mSelectedChannel = -1;
 
   mTrackNames = trackNames;
}

◆ ~ExportMixerPanel()

ExportMixerPanel::~ExportMixerPanel ( )

virtual

Definition at line 42 of file ExportMixerPanel.cpp.

43{

44}

Member Function Documentation

◆ Distance()

double ExportMixerPanel::Distance	(	wxPoint &	a,
		wxPoint &	b
	)

private

Definition at line 185 of file ExportMixerPanel.cpp.

{
   return sqrt( pow( a.x - b.x, 2.0 ) + pow( a.y - b.y, 2.0 ) );
}

References staffpad::audio::simd::sqrt().

Referenced by IsOnLine().

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◆ IsOnLine()

bool ExportMixerPanel::IsOnLine	(	wxPoint	p,
		wxPoint	la,
		wxPoint	lb
	)

private

Definition at line 191 of file ExportMixerPanel.cpp.

{
   return Distance( p, la ) + Distance( p, lb ) - Distance( la, lb ) < 0.1;
}

References Distance().

Referenced by OnMouseEvent().

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◆ OnMouseEvent()

void ExportMixerPanel::OnMouseEvent ( wxMouseEvent & event )

Definition at line 196 of file ExportMixerPanel.cpp.

{
   if( event.ButtonDown() )
   {
      bool reset = true;
      //check tracks
      for( unsigned int i = 0; i < mMixerSpec->GetNumTracks(); i++ )
         if( mTrackRects[ i ].Contains( event.m_x, event.m_y ) )
         {
            reset = false;
            if( mSelectedTrack == (int)i )
               mSelectedTrack = -1;
            else
            {
               mSelectedTrack = i;
               if( mSelectedChannel != -1 )
                  mMixerSpec->mMap[ mSelectedTrack ][ mSelectedChannel ] =
                     !mMixerSpec->mMap[ mSelectedTrack ][ mSelectedChannel ];
            }
            goto found;
         }
 
      //check channels
      for( unsigned int i = 0; i < mMixerSpec->GetNumChannels(); i++ )
         if( mChannelRects[ i ].Contains( event.m_x, event.m_y ) )
         {
            reset = false;
            if( mSelectedChannel == (int)i )
               mSelectedChannel = -1;
            else
            {
               mSelectedChannel = i;
               if( mSelectedTrack != -1 )
                  mMixerSpec->mMap[ mSelectedTrack ][ mSelectedChannel ] =
                     !mMixerSpec->mMap[ mSelectedTrack ][ mSelectedChannel ];
            }
            goto found;
         }
 
      //check links
      for( unsigned int i = 0; i < mMixerSpec->GetNumTracks(); i++ )
         for( unsigned int j = 0; j < mMixerSpec->GetNumChannels(); j++ )
            if( mMixerSpec->mMap[ i ][ j ]  && IsOnLine( wxPoint( event.m_x,
                        event.m_y ), wxPoint( mTrackRects[ i ].x + mBoxWidth,
                           mTrackRects[ i ].y + mTrackHeight / 2 ),
                     wxPoint( mChannelRects[ j ].x, mChannelRects[ j ].y +
                     mChannelHeight / 2 ) ) )
               mMixerSpec->mMap[ i ][ j ] = false;
 
found:
      if( reset )
         mSelectedTrack = mSelectedChannel = -1;
      Refresh( false );
   }
}

References MixerOptions::Downmix::GetNumChannels(), MixerOptions::Downmix::GetNumTracks(), IsOnLine(), mBoxWidth, mChannelHeight, mChannelRects, MixerOptions::Downmix::mMap, mMixerSpec, mSelectedChannel, mSelectedTrack, mTrackHeight, and mTrackRects.

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◆ OnPaint()

void ExportMixerPanel::OnPaint ( wxPaintEvent & event )

Definition at line 68 of file ExportMixerPanel.cpp.

{
   wxPaintDC dc( this );
 
   int width, height;
   GetSize( &width, &height );
 
   if( !mBitmap || mWidth != width || mHeight != height )
   {
      mWidth = width;
      mHeight = height;
      mBitmap = std::make_unique<wxBitmap>( mWidth, mHeight,24 );
   }
 
   wxColour bkgnd = GetBackgroundColour();
   wxBrush bkgndBrush( bkgnd, wxBRUSHSTYLE_SOLID );
 
   wxMemoryDC memDC;
   memDC.SelectObject( *mBitmap );
 
   //draw background
   wxRect bkgndRect;
   bkgndRect.x = 0;
   bkgndRect.y = 0;
   bkgndRect.width = mWidth;
   bkgndRect.height = mHeight;
 
   memDC.SetBrush( *wxWHITE_BRUSH );
   memDC.SetPen( *wxBLACK_PEN );
   memDC.DrawRectangle( bkgndRect );
 
   //box dimensions
   mBoxWidth = mWidth / 6;
 
   mTrackHeight = ( mHeight * 3 ) / ( mMixerSpec->GetNumTracks() * 4 );
   if( mTrackHeight > 30 )
      mTrackHeight = 30;
 
   mChannelHeight = ( mHeight * 3 ) / ( mMixerSpec->GetNumChannels() * 4 );
   if( mChannelHeight > 30 )
      mChannelHeight = 30;
 
   static double PI = 2 * acos( 0.0 );
   double angle = atan( ( 3.0 * mHeight ) / mWidth );
   double radius = mHeight / ( 2.0 * sin( PI - 2.0 * angle ) );
   double totAngle = ( asin( mHeight / ( 2.0 * radius ) ) * 2.0 );
 
   //draw tracks
   memDC.SetBrush( AColor::envelopeBrush );
   angle = totAngle / ( mMixerSpec->GetNumTracks() + 1 );
 
   int max = 0, w, h;
   for( unsigned int i = 1; i < mMixerSpec->GetNumTracks(); i++ )
      if( mTrackNames[ i ].length() > mTrackNames[ max ].length() )
         max = i;
 
   SetFont( memDC, mTrackNames[ max ], mBoxWidth, mTrackHeight );
 
   for( unsigned int i = 0; i < mMixerSpec->GetNumTracks(); i++ )
   {
      mTrackRects[ i ].x = (int)( mBoxWidth * 2 + radius - radius *
         cos( totAngle / 2.0 - angle * ( i + 1 ) ) - mBoxWidth + 0.5 );
      mTrackRects[ i ].y = (int)( mHeight * 0.5 - radius *
            sin( totAngle * 0.5 - angle * ( i + 1.0 ) ) -
            0.5 * mTrackHeight + 0.5 );
 
      mTrackRects[ i ].width = mBoxWidth;
      mTrackRects[ i ].height = mTrackHeight;
 
      memDC.SetPen( mSelectedTrack == (int)i ? *wxRED_PEN : *wxBLACK_PEN );
      memDC.DrawRectangle( mTrackRects[ i ] );
 
      memDC.GetTextExtent( mTrackNames[ i ], &w, &h );
      memDC.DrawText( mTrackNames[ i ],
            mTrackRects[ i ].x + ( mBoxWidth - w ) / 2,
            mTrackRects[ i ].y + ( mTrackHeight - h ) / 2 );
   }
 
   //draw channels
   memDC.SetBrush( AColor::playRegionBrush[ 0 ] );
   angle = ( asin( mHeight / ( 2.0 * radius ) ) * 2.0 ) /
      ( mMixerSpec->GetNumChannels() + 1 );
 
   SetFont( memDC, wxT( "Channel: XX" ), mBoxWidth, mChannelHeight );
   memDC.GetTextExtent( wxT( "Channel: XX" ), &w, &h );
 
   for( unsigned int i = 0; i < mMixerSpec->GetNumChannels(); i++ )
   {
      mChannelRects[ i ].x = (int)( mBoxWidth * 4 - radius  + radius *
         cos( totAngle * 0.5 - angle * ( i + 1 ) ) + 0.5 );
      mChannelRects[ i ].y = (int)( mHeight * 0.5 - radius *
            sin( totAngle * 0.5 - angle * ( i + 1 ) ) -
            0.5 * mChannelHeight + 0.5 );
 
      mChannelRects[ i ].width = mBoxWidth;
      mChannelRects[ i ].height = mChannelHeight;
 
      memDC.SetPen( mSelectedChannel == (int)i ? *wxRED_PEN : *wxBLACK_PEN );
      memDC.DrawRectangle( mChannelRects[ i ] );
 
      memDC.DrawText( wxString::Format( _( "Channel: %2d" ), i + 1 ),
            mChannelRects[ i ].x + ( mBoxWidth - w ) / 2,
            mChannelRects[ i ].y + ( mChannelHeight - h ) / 2 );
   }
 
   //draw links
   memDC.SetPen( wxPen( *wxBLACK, mHeight / 200 ) );
   for( unsigned int i = 0; i < mMixerSpec->GetNumTracks(); i++ )
      for( unsigned int j = 0; j < mMixerSpec->GetNumChannels(); j++ )
         if( mMixerSpec->mMap[ i ][ j ] )
            AColor::Line(memDC, mTrackRects[ i ].x + mBoxWidth,
                  mTrackRects[ i ].y + mTrackHeight / 2, mChannelRects[ j ].x,
                  mChannelRects[ j ].y + mChannelHeight / 2 );
 
   dc.Blit( 0, 0, mWidth, mHeight, &memDC, 0, 0, wxCOPY, FALSE );
}

References _, AColor::envelopeBrush, MixerOptions::Downmix::GetNumChannels(), MixerOptions::Downmix::GetNumTracks(), AColor::Line(), mBitmap, mBoxWidth, mChannelHeight, mChannelRects, mHeight, MixerOptions::Downmix::mMap, mMixerSpec, mSelectedChannel, mSelectedTrack, mTrackHeight, mTrackNames, mTrackRects, mWidth, PI, AColor::playRegionBrush, SetFont(), and wxT().

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◆ SetFont()

void ExportMixerPanel::SetFont	(	wxMemoryDC &	memDC,
		const wxString &	text,
		int	width,
		int	height
	)

private

Definition at line 47 of file ExportMixerPanel.cpp.

{
   int l = 0, u = 13, m, w, h;
   wxFont font = memDC.GetFont();
   while( l < u - 1 )
   {
      m = ( l + u ) / 2;
      font.SetPointSize( m );
      memDC.SetFont( font );
      memDC.GetTextExtent( text, &w, &h );
 
      if( w < width && h < height )
         l = m;
      else
         u = m;
   }
   font.SetPointSize( l );
   memDC.SetFont( font );
}

Referenced by OnPaint().

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Member Data Documentation

◆ mBitmap

std::unique_ptr<wxBitmap> ExportMixerPanel::mBitmap

private

Definition at line 38 of file ExportMixerPanel.h.

Referenced by OnPaint().

◆ mBoxWidth

int ExportMixerPanel::mBoxWidth

private

Definition at line 47 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mChannelHeight

int ExportMixerPanel::mChannelHeight

private

Definition at line 47 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mChannelRects

ArrayOf<wxRect> ExportMixerPanel::mChannelRects

private

Definition at line 43 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mEnvRect

wxRect ExportMixerPanel::mEnvRect

private

Definition at line 39 of file ExportMixerPanel.h.

◆ mHeight

int ExportMixerPanel::mHeight

private

Definition at line 41 of file ExportMixerPanel.h.

Referenced by OnPaint().

◆ mMixerSpec

MixerOptions::Downmix* ExportMixerPanel::mMixerSpec

private

Definition at line 42 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mSelectedChannel

int ExportMixerPanel::mSelectedChannel

private

Definition at line 45 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mSelectedTrack

int ExportMixerPanel::mSelectedTrack

private

Definition at line 45 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mTrackHeight

int ExportMixerPanel::mTrackHeight

private

Definition at line 47 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mTrackNames

wxArrayString ExportMixerPanel::mTrackNames

private

Definition at line 46 of file ExportMixerPanel.h.

Referenced by OnPaint().

◆ mTrackRects

ArrayOf<wxRect> ExportMixerPanel::mTrackRects

private

Definition at line 44 of file ExportMixerPanel.h.

Referenced by OnMouseEvent(), and OnPaint().

◆ mWidth

int ExportMixerPanel::mWidth

private

Definition at line 40 of file ExportMixerPanel.h.

Referenced by OnPaint().

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ ExportMixerPanel()

◆ ~ExportMixerPanel()

Member Function Documentation

◆ Distance()

◆ IsOnLine()

◆ OnMouseEvent()

◆ OnPaint()

◆ SetFont()

Member Data Documentation

◆ mBitmap

◆ mBoxWidth

◆ mChannelHeight

◆ mChannelRects

◆ mEnvRect

◆ mHeight

◆ mMixerSpec

◆ mSelectedChannel

◆ mSelectedTrack

◆ mTrackHeight

◆ mTrackNames

◆ mTrackRects

◆ mWidth