TemporalGraph2DRenderer (Graphene 0.4 API)

java.lang.Object
- org.epics.graphene.TemporalGraph2DRenderer<T>

Direct Known Subclasses:: LineTimeGraph2DRenderer

public abstract class TemporalGraph2DRenderer<T extends TemporalGraph2DRendererUpdate>
extends Object

The base class for all graph renderers.

Author:: carcassi

Field Summary

Fields
Modifier and Type	Field and Description
`protected Color`	`backgroundColor`
`protected int`	`bottomAreaMargin`
`protected int`	`bottomMargin`
`protected Graphics2D`	`g`
`protected Color`	`labelColor`
`protected Font`	`labelFont`
`protected FontMetrics`	`labelFontMetrics`
`protected int`	`leftAreaMargin`
`protected int`	`leftMargin`
`protected org.epics.util.array.ListDouble`	`normalizedTimeReferences`
`protected Color`	`referenceLineColor`
`protected int`	`rightAreaMargin`
`protected int`	`rightMargin`
`protected List<String>`	`timeReferenceLabels`
`protected List<org.epics.util.time.Timestamp>`	`timeReferences`
`protected int`	`topAreaMargin`
`protected int`	`topMargin`
`protected List<String>`	`valueReferenceLabels`
`protected org.epics.util.array.ListDouble`	`valueReferences`
`protected int`	`xAreaEnd`
`protected int`	`xAreaStart`
`protected int`	`xLabelMargin`
`protected double`	`xPlotCoordEnd`
`protected double`	`xPlotCoordStart`
`protected double`	`xPlotCoordWidth`
`protected double`	`xPlotValueEnd`
`protected double`	`xPlotValueStart`
`protected org.epics.util.array.ListDouble`	`xReferenceCoords`
`protected int`	`yAreaEnd`
`protected int`	`yAreaStart`
`protected int`	`yLabelMargin`
`protected double`	`yPlotCoordEnd`
`protected double`	`yPlotCoordHeight`
`protected double`	`yPlotCoordStart`
`protected double`	`yPlotValueEnd`
`protected double`	`yPlotValueStart`
`protected org.epics.util.array.ListDouble`	`yReferenceCoords`

Constructor Summary

Constructors
Constructor and Description

TemporalGraph2DRenderer(int graphWidth, int graphHeight)
Creates a graph renderer.

Constructors
Constructor and Description
`TemporalGraph2DRenderer(int graphWidth, int graphHeight)` Creates a graph renderer.

Method Summary

Methods
Modifier and Type	Method and Description
`protected void`	`calculateGraphArea()`
`protected void`	`calculateRanges(Range valueRange, org.epics.util.time.TimeInterval timeInterval)`
`protected void`	`drawBackground()`
`protected void`	`drawGraphArea()`
`protected void`	`drawHorizontalReferenceLines()`
`protected void`	`drawValueLine(org.epics.util.array.ListNumber xValues, org.epics.util.array.ListNumber yValues, InterpolationScheme interpolation)`
`protected void`	`drawVerticalReferenceLines()`
`protected void`	`drawXLabels()`
`protected void`	`drawYLabels()`
`Range`	`getAggregatedRange()` The aggregated range of all the data that has been rendered.
`org.epics.util.time.TimeInterval`	`getAggregatedTimeInterval()` The aggregated range of all the data that has been rendered.
`AxisRange`	`getAxisRange()` The current strategy to calculate the x range for the graph.
`int`	`getImageHeight()` The current height of the graph.
`int`	`getImageWidth()` The current width of the graph.
`Range`	`getPlotRange()` The range of the x axis in the last graph rendering.
`org.epics.util.time.TimeInterval`	`getPlotTimeInterval()` The range of the y axis in the last graph rendering.
`TimeAxisRange`	`getTimeAxisRange()` The current strategy to calculate the y range for the graph.
`abstract T`	`newUpdate()` Creates a new update for the given graph.
`protected double`	`scaledX(double value)`
`protected double`	`scaledY(double value)`
`protected void`	`setClip(Graphics2D g)`
`void`	`update(T update)` Applies the update to the renderer.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

xPlotValueStart
```
protected double xPlotValueStart
```

yPlotValueStart
```
protected double yPlotValueStart
```

xPlotValueEnd
```
protected double xPlotValueEnd
```

yPlotValueEnd
```
protected double yPlotValueEnd
```

yPlotCoordHeight
```
protected double yPlotCoordHeight
```

xPlotCoordWidth
```
protected double xPlotCoordWidth
```

xPlotCoordStart
```
protected double xPlotCoordStart
```

yPlotCoordStart
```
protected double yPlotCoordStart
```

yPlotCoordEnd
```
protected double yPlotCoordEnd
```

xPlotCoordEnd
```
protected double xPlotCoordEnd
```

xAreaStart
```
protected int xAreaStart
```

yAreaStart
```
protected int yAreaStart
```

yAreaEnd
```
protected int yAreaEnd
```

xAreaEnd
```
protected int xAreaEnd
```

g
```
protected Graphics2D g
```

backgroundColor
```
protected Color backgroundColor
```

labelColor
```
protected Color labelColor
```

referenceLineColor
```
protected Color referenceLineColor
```

labelFont
```
protected Font labelFont
```

bottomMargin
```
protected int bottomMargin
```

topMargin
```
protected int topMargin
```

leftMargin
```
protected int leftMargin
```

rightMargin
```
protected int rightMargin
```

bottomAreaMargin
```
protected int bottomAreaMargin
```

topAreaMargin
```
protected int topAreaMargin
```

leftAreaMargin
```
protected int leftAreaMargin
```

rightAreaMargin
```
protected int rightAreaMargin
```

xLabelMargin
```
protected int xLabelMargin
```

yLabelMargin
```
protected int yLabelMargin
```

labelFontMetrics
```
protected FontMetrics labelFontMetrics
```

xReferenceCoords

protected org.epics.util.array.ListDouble xReferenceCoords

valueReferences

protected org.epics.util.array.ListDouble valueReferences

valueReferenceLabels

protected List<String> valueReferenceLabels

yReferenceCoords

protected org.epics.util.array.ListDouble yReferenceCoords

timeReferences

protected List<org.epics.util.time.Timestamp> timeReferences

normalizedTimeReferences

protected org.epics.util.array.ListDouble normalizedTimeReferences

timeReferenceLabels

protected List<String> timeReferenceLabels

Constructor Detail
- TemporalGraph2DRenderer
```
public TemporalGraph2DRenderer(int graphWidth,
                       int graphHeight)
```
  Creates a graph renderer.
  
  Parameters:
  graphWidth - the graph width
  graphHeight - the graph height

Method Detail
- getImageHeight
```
public int getImageHeight()
```
  The current height of the graph.
  
  Returns:
  the graph height
- getImageWidth
```
public int getImageWidth()
```
  The current width of the graph.
  
  Returns:
  the graph width
- getAxisRange
```
public AxisRange getAxisRange()
```
  The current strategy to calculate the x range for the graph.
  
  Returns:
  the x axis range calculator
- getTimeAxisRange
```
public TimeAxisRange getTimeAxisRange()
```
  The current strategy to calculate the y range for the graph.
  
  Returns:
  the y axis range calculator
- getAggregatedRange
```
public Range getAggregatedRange()
```
  The aggregated range of all the data that has been rendered.
  
  Returns:
  the aggregated data x range
- getAggregatedTimeInterval
```
public org.epics.util.time.TimeInterval getAggregatedTimeInterval()
```
  The aggregated range of all the data that has been rendered.
  
  Returns:
  the aggregated data y range
- getPlotRange
```
public Range getPlotRange()
```
  The range of the x axis in the last graph rendering.
  
  Returns:
  the x axis range
- getPlotTimeInterval
```
public org.epics.util.time.TimeInterval getPlotTimeInterval()
```
  The range of the y axis in the last graph rendering.
  
  Returns:
  the y axis range
- update
```
public void update(T update)
```
  Applies the update to the renderer.
  When sub-classing, one should re-implement this method by first calling it and then applying all the updates specific to the sub-class.
  
  Parameters:
  update - the update to apply
- newUpdate
```
public abstract T newUpdate()
```
  Creates a new update for the given graph.
  
  Returns:
  a new update object
- calculateRanges
```
protected void calculateRanges(Range valueRange,
                   org.epics.util.time.TimeInterval timeInterval)
```
- drawHorizontalReferenceLines
```
protected void drawHorizontalReferenceLines()
```
- drawVerticalReferenceLines
```
protected void drawVerticalReferenceLines()
```
- calculateGraphArea
```
protected void calculateGraphArea()
```
- drawBackground
```
protected void drawBackground()
```
- drawGraphArea
```
protected void drawGraphArea()
```
- drawValueLine
```
protected void drawValueLine(org.epics.util.array.ListNumber xValues,
                 org.epics.util.array.ListNumber yValues,
                 InterpolationScheme interpolation)
```
- scaledX
```
protected final double scaledX(double value)
```
- scaledY
```
protected final double scaledY(double value)
```
- setClip
```
protected void setClip(Graphics2D g)
```
- drawYLabels
```
protected void drawYLabels()
```
- drawXLabels
```
protected void drawXLabels()
```

Class TemporalGraph2DRenderer<T extends TemporalGraph2DRendererUpdate>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

xPlotValueStart

yPlotValueStart

xPlotValueEnd

yPlotValueEnd

yPlotCoordHeight

xPlotCoordWidth

xPlotCoordStart

yPlotCoordStart

yPlotCoordEnd

xPlotCoordEnd

xAreaStart

yAreaStart

yAreaEnd

xAreaEnd

g

backgroundColor

labelColor

referenceLineColor

labelFont

bottomMargin

topMargin

leftMargin

rightMargin

bottomAreaMargin

topAreaMargin

leftAreaMargin

rightAreaMargin

xLabelMargin

yLabelMargin

labelFontMetrics

xReferenceCoords

valueReferences

valueReferenceLabels

yReferenceCoords

timeReferences

normalizedTimeReferences

timeReferenceLabels

Constructor Detail

TemporalGraph2DRenderer

Method Detail

getImageHeight

getImageWidth

getAxisRange

getTimeAxisRange

getAggregatedRange

getAggregatedTimeInterval

getPlotRange

getPlotTimeInterval

update

newUpdate

calculateRanges

drawHorizontalReferenceLines

drawVerticalReferenceLines

calculateGraphArea

drawBackground

drawGraphArea

drawValueLine

scaledX

scaledY

setClip

drawYLabels

drawXLabels