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 EffectCompressorPanel::OnPaint(wxPaintEvent & WXUNUSED(evt))
{
wxPaintDC dc(this);
int width, height;
GetSize(&width, &height);
double rangeDB = 60;
// Ruler
int w = 0;
int h = 0;
Ruler vRuler;
vRuler.SetBounds(0, 0, width, height);
vRuler.SetOrientation(wxVERTICAL);
vRuler.SetRange(0, -rangeDB);
vRuler.SetFormat(Ruler::LinearDBFormat);
vRuler.SetUnits(_("dB"));
vRuler.GetMaxSize(&w, NULL);
Ruler hRuler;
hRuler.SetBounds(0, 0, width, height);
hRuler.SetOrientation(wxHORIZONTAL);
hRuler.SetRange(-rangeDB, 0);
hRuler.SetFormat(Ruler::LinearDBFormat);
hRuler.SetUnits(_("dB"));
hRuler.SetFlip(true);
hRuler.GetMaxSize(NULL, &h);
vRuler.SetBounds(0, 0, w, height - h);
hRuler.SetBounds(w, height - h, width, height);
#if defined(__WXMSW__)
dc.Clear();
#endif
wxRect border;
border.x = w;
border.y = 0;
border.width = width - w;
border.height = height - h + 1;
dc.SetBrush(*wxWHITE_BRUSH);
dc.SetPen(*wxBLACK_PEN);
dc.DrawRectangle(border);
wxRect envRect = border;
envRect.Deflate( 2, 2 );
int kneeX = lrint((rangeDB+threshold)*envRect.width/rangeDB);
int kneeY = lrint((rangeDB+threshold/ratio)*envRect.height/rangeDB);
int finalY = envRect.height;
int startY = lrint((threshold*(1.0/ratio-1.0))*envRect.height/rangeDB);
// Yellow line for threshold
/* dc.SetPen(wxPen(wxColour(220, 220, 0), 1, wxSOLID));
AColor::Line(dc,
envRect.x,
envRect.y + envRect.height - kneeY,
envRect.x + envRect.width - 1,
envRect.y + envRect.height - kneeY);*/
// Was: Nice dark red line for the compression diagram
// dc.SetPen(wxPen(wxColour(180, 40, 40), 3, wxSOLID));
// Nice blue line for compressor, same color as used in the waveform envelope.
dc.SetPen( AColor::WideEnvelopePen) ;
AColor::Line(dc,
envRect.x,
envRect.y + envRect.height - startY,
envRect.x + kneeX - 1,
envRect.y + envRect.height - kneeY);
AColor::Line(dc,
envRect.x + kneeX,
envRect.y + envRect.height - kneeY,
envRect.x + envRect.width - 1,
envRect.y + envRect.height - finalY);
// Paint border again
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.SetPen(*wxBLACK_PEN);
dc.DrawRectangle(border);
vRuler.Draw(dc);
hRuler.Draw(dc);
}