Package com.musicg.graphic

Class GraphicRender

java.lang.Object

com.musicg.graphic.GraphicRender

public class GraphicRender
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static float	WAVEFORM_DEFAULT_TIMESTEP

Constructor Summary

Constructors

Constructor	Description
GraphicRender()

Method Summary

Modifier and Type	Method	Description
void	renderSpectrogram(Spectrogram spectrogram, java.lang.String filename)	Render a spectrogram of a wave file
void	renderSpectrogramData(double[][] spectrogramData, java.lang.String filename)	Render a spectrogram data array
void	renderWaveform(Wave wave, float timeStep, java.lang.String filename)	Render a waveform of a wave file
void	renderWaveform(Wave wave, java.lang.String filename)	Render a waveform of a wave file
void	resetMarkers()	Reset the markers
void	setHorizontalMarker(int y)	Set the horizontal marker
void	setVerticalMarker(int x)	Set the vertical marker

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

WAVEFORM_DEFAULT_TIMESTEP

public static final float WAVEFORM_DEFAULT_TIMESTEP

See Also:

Constant Field Values

Constructor Detail

GraphicRender

public GraphicRender()

Method Detail

renderWaveform

public void renderWaveform(Wave wave,
                           java.lang.String filename)

Render a waveform of a wave file

Parameters:

wave - Wave object

filename - output file

See Also:

graphic rendered

renderWaveform

public void renderWaveform(Wave wave,
                           float timeStep,
                           java.lang.String filename)

Render a waveform of a wave file

Parameters:

wave - Wave object

timeStep - time interval in second, as known as 1/fps

filename - output file

See Also:

graphic rendered

renderSpectrogram

public void renderSpectrogram(Spectrogram spectrogram,
                              java.lang.String filename)

Render a spectrogram of a wave file

Parameters:

spectrogram - spectrogram object

filename - output file

See Also:

graphic rendered

renderSpectrogramData

public void renderSpectrogramData(double[][] spectrogramData,
                                  java.lang.String filename)

Render a spectrogram data array

Parameters:

spectrogramData - spectrogramData[time][frequency]=intensity, which time is the x-axis, frequency is the y-axis, intensity is the color darkness

filename - output file

See Also:

graphic rendered

setVerticalMarker

public void setVerticalMarker(int x)

Set the vertical marker

Parameters:

x - x-offset pixel of the marker

setHorizontalMarker

public void setHorizontalMarker(int y)

Set the horizontal marker

Parameters:

y - y-offset pixel of the marker

resetMarkers

public void resetMarkers()

Reset the markers