info.monitorenter.gui.chart
Interface ITracePainter

All Superinterfaces:

Comparable, IPointPainter, Serializable

All Known Subinterfaces:

IErrorBarPolicy

All Known Implementing Classes:

AErrorBarPolicyConfigurable, ATracePainter, ErrorBarPolicyAbsoluteSummation, ErrorBarPolicyRelative, TracePainterDisc, TracePainterFill, TracePainterLine, TracePainterPolyline, TracePainterVerticalBar

public interface ITracePainter
extends Comparable, IPointPainter

An interface that works at trace level and defines how it's points are rendered.

A contract for implementation is that Object.equals(java.lang.Object) has to be implemented to return true if two instances are of the same class and Comparable.compareTo(java.lang.Object) is implemented according to that. This is OK as trace painters are mostly to characterize by their different implementation of rendering a trace.

Caution

There is no guarantee that further manipulation on the given Graphics2D instance than painting just the label or tick will not produce layout problems. E.g. changing the color or font is not recommended as these should be assigned to the ITrace2D/ Chart2D.

Version:

$Revision: 1.8 $

Author:

Achim Westermann

Method Summary

void	discontinue(Graphics2D g2d, ITrace2D trace) Invoked to inform the painter that a discontinue in the trace to # paint has occured.
void	endPaintIteration(Graphics2D g2d) Invoked to inform implementations that a paint iteration ends for the corresponding ITrace2D.
void	startPaintIteration(Graphics2D g2d, ITrace2D trace) Invoked to inform implementations that a paint iteration starts for the corresponding ITrace2D.

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface info.monitorenter.gui.chart.IPointPainter

paintPoint

Method Detail

discontinue

void discontinue(Graphics2D g2d,
                 ITrace2D trace)

Invoked to inform the painter that a discontinue in the trace to # paint has occured.

This only has to be implemented by painters that collect several points of IPointPainter.paintPoint(int, int, int, int, Graphics2D, TracePoint2D) to draw them as polygons (e.g.: Graphics.drawPolyline(int[], int[], int)).

Parameters:

g2d - provided in case pending paint operations have to be performed.

trace - the trace to discontinue painting of.

endPaintIteration

void endPaintIteration(Graphics2D g2d)

Invoked to inform implementations that a paint iteration ends for the corresponding ITrace2D.

Parameters:

g2d - provided in case pending paint operations have to be performed.

startPaintIteration

void startPaintIteration(Graphics2D g2d,
                         ITrace2D trace)

Invoked to inform implementations that a paint iteration starts for the corresponding ITrace2D.

Parameters:

g2d - provided in case pending paint operations have to be performed.

trace - the TracePoint2D to paint in this iteration.