anonymous_namespace{ClipParameters.cpp} Namespace Reference

Functions
double	CalculateAdjustmentForZoomLevel (double avgPixPerSecond, bool showSamples)
double	GetPixelsPerSecond (const wxRect &viewRect, const ZoomInfo &zoomInfo)
bool	ShowIndividualSamples (int sampleRate, double stretchRatio, double pixelsPerSecond)
double	GetBlankSpaceBeforePlayEndTime (const ClipTimes &clip)

Function Documentation

CalculateAdjustmentForZoomLevel()

double anonymous_namespace{ClipParameters.cpp}::CalculateAdjustmentForZoomLevel	(	double	avgPixPerSecond,
		bool	showSamples
	)

Definition at line 19 of file ClipParameters.cpp.

{
   constexpr double pixelsOffset { 2 }; // The desired offset in pixels
   if (showSamples)
      // adjustment so that the last circular point doesn't appear
      // to be hanging off the end
      return pixelsOffset /
             avgPixPerSecond; // pixels / ( pixels / second ) = seconds
   return .0;
}

Referenced by ClipParameters::ClipParameters(), and ClipParameters::GetClipRect().

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GetBlankSpaceBeforePlayEndTime()

double anonymous_namespace{ClipParameters.cpp}::GetBlankSpaceBeforePlayEndTime

(

const ClipTimes &

clip

)

Definition at line 45 of file ClipParameters.cpp.

{
   return 0.99 * clip.GetStretchRatio() / clip.GetRate();
}

References ClipTimes::GetRate(), and ClipTimes::GetStretchRatio().

Referenced by ClipParameters::ClipParameters(), and ClipParameters::GetClipRect().

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GetPixelsPerSecond()

double anonymous_namespace{ClipParameters.cpp}::GetPixelsPerSecond	(	const wxRect &	viewRect,
		const ZoomInfo &	zoomInfo
	)

Definition at line 30 of file ClipParameters.cpp.

{
   const auto h = zoomInfo.PositionToTime(0, 0, true);
   const auto trackRectT1 = zoomInfo.PositionToTime(viewRect.width, 0, true);
   return viewRect.width / (trackRectT1 - h);
}

References ZoomInfo::PositionToTime().

Referenced by ClipParameters::GetClipRect().

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ShowIndividualSamples()

bool anonymous_namespace{ClipParameters.cpp}::ShowIndividualSamples	(	int	sampleRate,
		double	stretchRatio,
		double	pixelsPerSecond
	)

Definition at line 37 of file ClipParameters.cpp.

{
   const auto secondsPerSample = stretchRatio / sampleRate;
   const auto pixelsPerSample = pixelsPerSecond * secondsPerSample;
   return pixelsPerSample > 0.5;
}

References anonymous_namespace{ClipSegmentTest.cpp}::sampleRate.

Referenced by ClipParameters::GetClipRect().

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