Package org.eclipse.tracecompass.tmf.ui.views.histogram

Interface IHistogramDataModel

All Superinterfaces:

IBaseDistributionModel

All Known Implementing Classes:

HistogramDataModel

public interface IHistogramDataModel
extends IBaseDistributionModel

Histogram data model interface.

Author:

Bernd Hufmann

Method Summary

Modifier and Type	Method	Description
void	countEvent(long eventCount, long timestamp, ITmfTrace trace)	Add event to the correct bucket, compacting the if needed.
HistogramScaledData	scaleTo(int width, int height, int barWidth)	Scale the model data to the width, height and bar width requested.

Methods inherited from interface org.eclipse.tracecompass.tmf.ui.views.distribution.model.IBaseDistributionModel

clear, complete

Method Details

countEvent

void countEvent(long eventCount,
 long timestamp,
 ITmfTrace trace)

Add event to the correct bucket, compacting the if needed.

Parameters:

eventCount - the event to count

timestamp - the timestamp of the event to count

trace - the trace corresponding to given events

scaleTo

HistogramScaledData scaleTo(int width,
 int height,
 int barWidth)

Scale the model data to the width, height and bar width requested.

Parameters:

width - A width of the histogram canvas

height - A height of the histogram canvas

barWidth - A width (in pixel) of a histogram bar

Returns:

the result array of size [width] and where the highest value doesn't exceed [height] while considering the bar width [barWidth]