void ExportMixerPanel::OnPaint(wxPaintEvent & evt)
{
wxPaintDC dc( this );
int width, height;
GetSize( &width, &height );
if( !mBitmap || mWidth != width || mHeight != height )
{
if( mBitmap )
delete mBitmap;
mWidth = width;
mHeight = height;
mBitmap = new wxBitmap( mWidth, mHeight );
}
wxColour bkgnd = GetBackgroundColour();
wxBrush bkgndBrush( bkgnd, wxSOLID );
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( int i = 1; i < mMixerSpec->GetNumTracks(); i++ )
if( mTrackNames[ i ].length() > mTrackNames[ max ].length() )
max = i;
SetFont( memDC, mTrackNames[ max ], mBoxWidth, mTrackHeight );
for( 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 == 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( 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 == 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( int i = 0; i < mMixerSpec->GetNumTracks(); i++ )
for( int j = 0; j < mMixerSpec->GetNumChannels(); j++ )
if( mMixerSpec->mMap[ i ][ j ] )
memDC.DrawLine( 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 );
}
void EqualizationPanel::OnPaint(wxPaintEvent & evt)
{
wxPaintDC dc(this);
int width, height;
GetSize(&width, &height);
if (!mBitmap || mWidth!=width || mHeight!=height) {
if (mBitmap)
delete mBitmap;
mWidth = width;
mHeight = height;
mBitmap = new wxBitmap(mWidth, mHeight);
}
wxColour bkgnd = GetBackgroundColour();
wxBrush bkgndBrush(bkgnd, wxSOLID);
wxMemoryDC memDC;
memDC.SelectObject(*mBitmap);
wxRect bkgndRect;
bkgndRect.x = 0;
bkgndRect.y = 0;
bkgndRect.width = 40;
bkgndRect.height = mHeight;
memDC.SetBrush(bkgndBrush);
memDC.SetPen(*wxTRANSPARENT_PEN);
memDC.DrawRectangle(bkgndRect);
bkgndRect.y = mHeight - 20;
bkgndRect.width = mWidth;
bkgndRect.height = 20;
memDC.DrawRectangle(bkgndRect);
wxRect border;
border.x = 40;
border.y = 0;
border.width = mWidth;
border.height = mHeight - 20;
memDC.SetBrush(*wxWHITE_BRUSH);
memDC.SetPen(*wxBLACK_PEN);
memDC.DrawRectangle(border);
mEnvRect.x = 44;
mEnvRect.width = mWidth - 50;
mEnvRect.y = 3;
mEnvRect.height = mHeight - 26;
// Pure blue x-axis line
memDC.SetPen(wxPen(wxColour(0, 0, 255), 1, wxSOLID));
int center = mEnvRect.height/2;
memDC.DrawLine(mEnvRect.x, mEnvRect.y + center,
mEnvRect.x + mEnvRect.width, mEnvRect.y + center);
// Med-blue envelope line
memDC.SetPen(wxPen(wxColour(110, 110, 220), 3, wxSOLID));
// Draw envelope
double *values = new double[mEnvRect.width];
mEnvelope->GetValues(values, mEnvRect.width, 0.0, 1.0/mEnvRect.width);
int x, y, xlast = 0, ylast = 0;
for(int i=0; i<mEnvRect.width; i++) {
x = mEnvRect.x + i;
y = (int)(mEnvRect.height-mEnvRect.height*values[i]);
if (i != 0) {
memDC.DrawLine(xlast, ylast,
x, mEnvRect.y + y);
}
xlast = x;
ylast = y;
}
delete[] values;
memDC.SetPen(*wxBLACK_PEN);
mEnvRect.y -= 5;
mEnvelope->Draw(memDC, mEnvRect, 0.0, mEnvRect.width, false, 0.0, 1.0);
mEnvRect.y += 5;
// Paint border again
memDC.SetBrush(*wxTRANSPARENT_BRUSH);
memDC.SetPen(*wxBLACK_PEN);
memDC.DrawRectangle(border);
// Ruler
Ruler dbRuler;
dbRuler.SetBounds(0, 0, 40, mHeight-21);
dbRuler.SetOrientation(wxVERTICAL);
dbRuler.SetRange(30, -30);
dbRuler.SetFormat(Ruler::LinearDBFormat);
dbRuler.SetUnits("dB");
dbRuler.Draw(memDC);
Ruler freqRuler;
freqRuler.SetBounds(41, mHeight-20, mWidth, mHeight);
freqRuler.SetOrientation(wxHORIZONTAL);
freqRuler.SetLog(true);
freqRuler.SetRange(mLoFreq, mHiFreq);
freqRuler.SetFormat(Ruler::IntFormat);
freqRuler.SetUnits("Hz");
freqRuler.SetFlip(true);
freqRuler.Draw(memDC);
dc.Blit(0, 0, mWidth, mHeight,
&memDC, 0, 0, wxCOPY, FALSE);
}
void EffectScienFilterPanel::OnPaint(wxPaintEvent & WXUNUSED(evt))
{
wxPaintDC dc(this);
int width, height;
GetSize(&width, &height);
if (!mBitmap || mWidth != width || mHeight != height)
{
if (mBitmap)
{
delete mBitmap;
}
mWidth = width;
mHeight = height;
mBitmap = new wxBitmap(mWidth, mHeight);
}
wxBrush bkgndBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
wxMemoryDC memDC;
memDC.SelectObject(*mBitmap);
wxRect bkgndRect;
bkgndRect.x = 0;
bkgndRect.y = 0;
bkgndRect.width = mWidth;
bkgndRect.height = mHeight;
memDC.SetBrush(bkgndBrush);
memDC.SetPen(*wxTRANSPARENT_PEN);
memDC.DrawRectangle(bkgndRect);
bkgndRect.y = mHeight;
memDC.DrawRectangle(bkgndRect);
wxRect border;
border.x = 0;
border.y = 0;
border.width = mWidth;
border.height = mHeight;
memDC.SetBrush(*wxWHITE_BRUSH);
memDC.SetPen(*wxBLACK_PEN);
memDC.DrawRectangle(border);
mEnvRect = border;
mEnvRect.Deflate(2, 2);
// Pure blue x-axis line
memDC.SetPen(wxPen(theTheme.Colour(clrGraphLines), 1, wxSOLID));
int center = (int) (mEnvRect.height * mDbMax / (mDbMax - mDbMin) + 0.5);
AColor::Line(memDC,
mEnvRect.GetLeft(), mEnvRect.y + center,
mEnvRect.GetRight(), mEnvRect.y + center);
//Now draw the actual response that you will get.
//mFilterFunc has a linear scale, window has a log one so we have to fiddle about
memDC.SetPen(wxPen(theTheme.Colour(clrResponseLines), 3, wxSOLID));
double scale = (double) mEnvRect.height / (mDbMax - mDbMin); // pixels per dB
double yF; // gain at this freq
double loLog = log10(mLoFreq);
double step = log10(mHiFreq) - loLog;
step /= ((double) mEnvRect.width - 1.0);
double freq; // actual freq corresponding to x position
int x, y, xlast = 0, ylast = 0;
for (int i = 0; i < mEnvRect.width; i++)
{
x = mEnvRect.x + i;
freq = pow(10.0, loLog + i * step); //Hz
yF = mEffect->FilterMagnAtFreq (freq);
yF = LINEAR_TO_DB(yF);
if (yF < mDbMin)
{
yF = mDbMin;
}
yF = center-scale * yF;
if (yF > mEnvRect.height)
{
yF = (double) mEnvRect.height - 1.0;
}
if (yF < 0.0)
{
yF = 0.0;
}
y = (int) (yF + 0.5);
if (i != 0 && (y < mEnvRect.height - 1 || ylast < mEnvRect.y + mEnvRect.height - 1))
{
AColor::Line(memDC, xlast, ylast, x, mEnvRect.y + y);
}
xlast = x;
ylast = mEnvRect.y + y;
}
memDC.SetPen(*wxBLACK_PEN);
mEffect->mfreqRuler->ruler.DrawGrid(memDC, mEnvRect.height + 2, true, true, 0, 1);
mEffect->mdBRuler->ruler.DrawGrid(memDC, mEnvRect.width + 2, true, true, 1, 2);
dc.Blit(0, 0, mWidth, mHeight, &memDC, 0, 0, wxCOPY, FALSE);
memDC.SelectObject(wxNullBitmap);
}
