Functions
std::unique_ptr< wxGraphicsContext >	MakeGraphicsContext (const wxPaintDC &dc)

wxColor	GetColorMix (const wxColor &a, const wxColor &b, double aWeight)

float	GetGraphDbRange (int height)

wxGraphicsBrush	GetGraphBackgroundBrush (wxGraphicsContext &gc, int height)

wxRect	GetPanelRect (const wxPanelWrapper &panel)

Variables
static const wxColour	backgroundColor { 43, 43, 75 }

static const wxColour	attackColor { 255, 0, 0, 100 }

static const wxColour	releaseColor { 190, 120, 255, 100 }

static const wxColour	lineColor { 72, 72, 72 }

static const wxColour	targetCompressionColor { 255, 255, 255 }

static const wxColour	inputColor { 86, 86, 149 }

static const wxColour	outputColor { 182, 182, 244, 70 }

static const wxColour	actualCompressionColor { 252, 220, 151 }

static constexpr auto	targetCompressionLineWidth = 2

static constexpr auto	outputLineWidth = 2

static constexpr auto	graphMinHeight = 270

static constexpr auto	graphMinRangeDb = 20.f

Detailed Description

Audacity: A Digital Audio Editor

DynamicRangeProcessorPanelCommon.cpp

Matthieu Hodgkinson

Function Documentation

◆ GetColorMix()

wxColor DynamicRangeProcessorPanel::GetColorMix	(	const wxColor &	a,
		const wxColor &	b,
		double	aWeight
	)

Definition at line 26 of file DynamicRangeProcessorPanelCommon.cpp.

{
   return wxColor(
      a.Red() * aWeight + b.Red() * (1 - aWeight),
      a.Green() * aWeight + b.Green() * (1 - aWeight),
      a.Blue() * aWeight + b.Blue() * (1 - aWeight),
      a.Alpha() * aWeight + b.Alpha() * (1 - aWeight));
}

Referenced by anonymous_namespace{DynamicRangeProcessorTransferFunctionPanel.cpp}::GetBrush(), GetGraphBackgroundBrush(), ClipIndicatorPanel::OnPaint(), DynamicRangeProcessorHistoryPanel::OnPaint(), and CompressionMeterPanel::PaintMeter().

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◆ GetGraphBackgroundBrush()

wxGraphicsBrush DynamicRangeProcessorPanel::GetGraphBackgroundBrush	(	wxGraphicsContext &	gc,
		int	height
	)

Definition at line 41 of file DynamicRangeProcessorPanelCommon.cpp.

{
   // It looks like we're not going to use a gradient for the background after
   // all, but keep the way we had it available for a while, in case we change
   // our mind. (Whoever still sees this code in this state in the future please
   // feel free to clean up.)
   constexpr auto useGradient = false;
   return useGradient ? gc.CreateLinearGradientBrush(
                           0, 0, 0, height, backgroundColor,
                           GetColorMix(backgroundColor, *wxWHITE, 0.75)) :
                        gc.CreateBrush(backgroundColor);
}

References backgroundColor, and GetColorMix().

Referenced by CompressionMeterPanel::OnPaint(), and DynamicRangeProcessorHistoryPanel::OnPaint().

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◆ GetGraphDbRange()

float DynamicRangeProcessorPanel::GetGraphDbRange ( int height )

Definition at line 35 of file DynamicRangeProcessorPanelCommon.cpp.

{
   const auto factor = std::max(1.f, 1.f * height / graphMinHeight);
   return factor * graphMinRangeDb;
}

References graphMinHeight, and graphMinRangeDb.

Referenced by DynamicRangeProcessorHistoryPanel::OnPaint(), and DynamicRangeProcessorHistoryPanel::OnSize().

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◆ GetPanelRect()

wxRect DynamicRangeProcessorPanel::GetPanelRect ( const wxPanelWrapper & panel )

Definition at line 54 of file DynamicRangeProcessorPanelCommon.cpp.

{
#ifndef __WXMAC__
   return panel.GetClientRect();
#else
   auto rect = panel.GetClientRect();
   rect.SetX(rect.GetX() + 1);
   rect.SetY(rect.GetY() + 1);
   rect.SetWidth(rect.GetWidth() - 1);
   rect.SetHeight(rect.GetHeight() - 1);
   return rect;
#endif
}

Referenced by ClipIndicatorPanel::OnPaint(), CompressionMeterPanel::OnPaint(), DynamicRangeProcessorHistoryPanel::OnPaint(), and DynamicRangeProcessorTransferFunctionPanel::OnPaint().

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◆ MakeGraphicsContext()

std::unique_ptr< wxGraphicsContext > DynamicRangeProcessorPanel::MakeGraphicsContext ( const wxPaintDC & dc )

Definition at line 18 of file DynamicRangeProcessorPanelCommon.cpp.

{
   auto gc = wxGraphicsContext::Create(dc);
   gc->SetAntialiasMode(wxANTIALIAS_DEFAULT);
   gc->SetInterpolationQuality(wxINTERPOLATION_BEST);
   return std::unique_ptr<wxGraphicsContext>(gc);
}