csl::Envelope Class Reference

#include <Envelope.h>

Inheritance diagram for csl::Envelope:

List of all members.

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Detailed Description

Envelope: a collection of LineSegments; may have an input (scale) and act like a processor, or have no input and act like a control UGen. I inherit Scalable setScale, setOffset for inputs

Public Member Functions
	Envelope ()
	Envelope (double t, double x1, double y1, double x2=NULL, double y2=1.0, double x3=NULL, double y3=1.0, double x4=NULL, double y4=1.0, double x5=NULL, double y5=1.0, double x6=NULL, double y6=1.0)
	Lots of useful constructors.
	Envelope (double t, unsigned int size, double x[], double y[])
virtual	~Envelope ()
bool	isActive ()
	This answers whether I'm active (ptr < end).
void	addBreakpoint (double startTime, double value)
void	setInterpolationAtSegment (LineMode mode, unsigned idx)
	allows to specify interpolation other than linear for a segment.
void	setDuration (float d)
	set/scale durations
void	scaleTimes (float s)
	scale durations
void	reset ()
	reset internal time to restart envelope
void	trigger ()
	reset internal time to restart envelope
void	dump ()
	Pretty-printer.
void	nextBuffer (Buffer &outputBuffer, unsigned outBufNum) throw (CException)
	The main FrameStream work method.
Protected Member Functions
unsigned int	privateNextBuffer (CPoint *breakpoint, LineSegment *segment, float *buffer, unsigned int numFrames)
	Internal helper method for computing the next buffer.
void	createSegments ()
	Allocate memory for the segments.
void	calculateSegments ()
	Calculate the internal data.
Protected Attributes
float	mDuration
	Total duration, typically in seconds.
float	mCurrentMark
	How far we have read.
Breakpoints	mSegmentMap
LineSegment **	mSegments
double *	mValues
unsigned	mSize

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Constructor & Destructor Documentation

csl::Envelope::Envelope (   )  [inline]

Envelope::Envelope (  double  t, double  x1, double  y1, double  x2 = NULL, double  y2 = 1.0, double  x3 = NULL, double  y3 = 1.0, double  x4 = NULL, double  y4 = 1.0, double  x5 = NULL, double  y5 = 1.0, double  x6 = NULL, double  y6 = 1.0 )

Lots of useful constructors.

Envelope::Envelope (  double  t, unsigned int  size, double  x[], double  y[] )

Envelope::~Envelope (   )  [virtual]

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Member Function Documentation

bool csl::Envelope::isActive (   )  [inline]

This answers whether I'm active (ptr < end). Reimplemented in csl::RandEnvelope.

void Envelope::addBreakpoint (  double  startTime, double  value )

void Envelope::setInterpolationAtSegment (  LineMode  mode, unsigned  idx )

allows to specify interpolation other than linear for a segment.

void Envelope::setDuration (  float  d  )

set/scale durations

void Envelope::scaleTimes (  float  s  )

scale durations

void Envelope::reset (   )

reset internal time to restart envelope Reimplemented in csl::RandEnvelope.

void Envelope::trigger (   )

reset internal time to restart envelope Reimplemented in csl::RandEnvelope.

void Envelope::dump (   )

Pretty-printer. Reimplemented in csl::RandEnvelope.

void Envelope::nextBuffer (  Buffer &  outputBuffer, unsigned  outBufNum )  throw (CException)

The main FrameStream work method. Reimplemented in csl::RandEnvelope.

unsigned int csl::Envelope::privateNextBuffer (  CPoint *  breakpoint, LineSegment *  segment, float *  buffer, unsigned int  numFrames )  [protected]

Internal helper method for computing the next buffer.

void Envelope::createSegments (   )  [protected]

Allocate memory for the segments.

void Envelope::calculateSegments (   )  [protected]

Calculate the internal data.

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Member Data Documentation

float csl::Envelope::mDuration [protected]

Total duration, typically in seconds.

float csl::Envelope::mCurrentMark [protected]

How far we have read.

Breakpoints csl::Envelope::mSegmentMap [protected]

LineSegment** csl::Envelope::mSegments [protected]

double* csl::Envelope::mValues [protected]

unsigned csl::Envelope::mSize [protected]

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

• CSL/Sources/Envelope.h
• CSL/Sources/Envelope.cpp

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