Package org.eclipse.birt.chart.device
Class DeviceAdapter
java.lang.Object
org.eclipse.birt.chart.event.EventObjectCache
org.eclipse.birt.chart.device.DeviceAdapter
- All Implemented Interfaces:
EventListener
,IDeviceRenderer
,IPrimitiveRenderer
,IStructureDefinitionListener
A no-op adapter implementation for the
IDeviceRenderer
interface definition.-
Field Summary
Fields inherited from interface org.eclipse.birt.chart.device.IDeviceRenderer
AREA_ALT_ENABLED, CACHE_ON_DISK, CACHED_IMAGE, COMPRESSED_OUTPUT, DPI_RESOLUTION, EXPECTED_BOUNDS, FILE_IDENTIFIER, FORMAT_IDENTIFIER, GRAPHICS_CONTEXT, UPDATE_NOTIFIER
Fields inherited from interface org.eclipse.birt.chart.device.IStructureDefinitionListener
AFTER_DRAW_AXIS_LABEL, AFTER_DRAW_AXIS_TITLE, AFTER_DRAW_BLOCK, AFTER_DRAW_DATA_POINT, AFTER_DRAW_DATA_POINT_LABEL, AFTER_DRAW_ELEMENT, AFTER_DRAW_FITTING_CURVE, AFTER_DRAW_LEGEND_ENTRY, AFTER_DRAW_LEGEND_ITEM, AFTER_DRAW_MARKER, AFTER_DRAW_MARKER_LINE, AFTER_DRAW_MARKER_RANGE, AFTER_DRAW_SERIES, AFTER_DRAW_SERIES_TITLE, BEFORE_DRAW_AXIS_LABEL, BEFORE_DRAW_AXIS_TITLE, BEFORE_DRAW_BLOCK, BEFORE_DRAW_DATA_POINT, BEFORE_DRAW_DATA_POINT_LABEL, BEFORE_DRAW_ELEMENT, BEFORE_DRAW_FITTING_CURVE, BEFORE_DRAW_LEGEND_ENTRY, BEFORE_DRAW_LEGEND_ITEM, BEFORE_DRAW_MARKER, BEFORE_DRAW_MARKER_LINE, BEFORE_DRAW_MARKER_RANGE, BEFORE_DRAW_SERIES, BEFORE_DRAW_SERIES_TITLE
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
after()
A notification sent to the device to cleanup after rendering is donevoid
This method is capable of applying a global transformation on the device specific graphics context Available transformation types are: SCALE, TRANSLATE, ROTATEvoid
before()
A notification sent to the device to initialize itself before rendering beginsvoid
Sends out a notification to a listener indicating that a structure group has changed (either via a start or end) notification.void
dispose()
A notification sent to the device to free all allocated system resources.void
drawArc
(ArcRenderEvent are) This method is responsible for drawing an elliptical arc on the target rendering device's graphic context.void
drawArea
(AreaRenderEvent are) This method is responsible for drawing a custom defined area on the target rendering device's graphic context.void
This method is responsible for drawing an image on the target rendering device's graphic context.void
drawLine
(LineRenderEvent lre) This method is responsible for drawing a line on the target rendering device's graphic context.void
drawOval
(OvalRenderEvent ore) This method is responsible for drawing an oval area on the target rendering device's graphic context.void
This method is responsible for drawing a polygon on the target rendering device's graphic context.void
This method is responsible for drawing a rectangle on the target rendering device's graphic context.void
drawText
(TextRenderEvent tre) This method renders text on the target rendering device's graphic context using one of the three methods: 1.void
void
fillArc
(ArcRenderEvent are) This method is responsible for filling an elliptical arc on the target rendering device's graphic context.void
fillArea
(AreaRenderEvent are) This method is responsible for filling a custom defined area on the target rendering device's graphic context.void
fillOval
(OvalRenderEvent ore) This method is responsible for filling an oval area on the target rendering device's graphic context.void
This method is responsible for filling a polygon on the target rendering device's graphic context.void
This method is responsible for filling a rectangle on the target rendering device's graphic context.Returns the chart computation.Returns an instance of the low level display server capable of providing text metrics, screen resolution, etc.Returns an instance of the low level graphics context being used to render primitivesfinal Locale
Provides the locale to device renderer implementations as needed to retrieve localized resources for presentation.Returns the MIME type of the output image that the device renderer creates.final com.ibm.icu.util.ULocale
Provides the locale to device renderer implementations as needed to retrieve localized resources for presentation.boolean
Indicated to the caller if the device renderer needs additional structure definition callbacks to identify how primitives are to be grouped to possibly aid in client side event handling.void
presentException
(Exception cexp) Notifies a device renderer to present an exception in its contextvoid
Sets the chart computation.void
setClip
(ClipRenderEvent cre) This method is responsible for clipping an arbitrary area on the target rendering device's graphic context.void
setProperty
(String sProperty, Object oValue) Device-specific write-only properties that may be set for each device rendererMethods inherited from class org.eclipse.birt.chart.event.EventObjectCache
getEventObject
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Constructor Details
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DeviceAdapter
public DeviceAdapter()
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Method Details
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setProperty
Description copied from interface:IDeviceRenderer
Device-specific write-only properties that may be set for each device renderer- Specified by:
setProperty
in interfaceIDeviceRenderer
- Parameters:
sProperty
- The property whose value is to be setoValue
- The value associated with the property
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getGraphicsContext
Description copied from interface:IDeviceRenderer
Returns an instance of the low level graphics context being used to render primitives- Specified by:
getGraphicsContext
in interfaceIDeviceRenderer
- Returns:
- An instance of the low level graphics context being used to render primitives
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getDisplayServer
Description copied from interface:IDeviceRenderer
Returns an instance of the low level display server capable of providing text metrics, screen resolution, etc.- Specified by:
getDisplayServer
in interfaceIDeviceRenderer
- Returns:
- An instance of the low level display server capable of providing text metrics, screen resolution, etc.
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getLocale
Description copied from interface:IDeviceRenderer
Provides the locale to device renderer implementations as needed to retrieve localized resources for presentation.- Specified by:
getLocale
in interfaceIDeviceRenderer
- Returns:
- The locale to be used
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getULocale
public final com.ibm.icu.util.ULocale getULocale()Description copied from interface:IDeviceRenderer
Provides the locale to device renderer implementations as needed to retrieve localized resources for presentation.- Specified by:
getULocale
in interfaceIDeviceRenderer
- Returns:
- The locale to be used
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needsStructureDefinition
public boolean needsStructureDefinition()Description copied from interface:IDeviceRenderer
Indicated to the caller if the device renderer needs additional structure definition callbacks to identify how primitives are to be grouped to possibly aid in client side event handling.- Specified by:
needsStructureDefinition
in interfaceIDeviceRenderer
- Returns:
- 'true' if structure definition notificates are required in the device renderer implementation.
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before
Description copied from interface:IDeviceRenderer
A notification sent to the device to initialize itself before rendering begins- Specified by:
before
in interfaceIDeviceRenderer
- Throws:
ChartException
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after
Description copied from interface:IDeviceRenderer
A notification sent to the device to cleanup after rendering is done- Specified by:
after
in interfaceIDeviceRenderer
- Throws:
ChartException
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dispose
public void dispose()Description copied from interface:IDeviceRenderer
A notification sent to the device to free all allocated system resources.- Specified by:
dispose
in interfaceIDeviceRenderer
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setClip
Description copied from interface:IPrimitiveRenderer
This method is responsible for clipping an arbitrary area on the target rendering device's graphic context.- Specified by:
setClip
in interfaceIPrimitiveRenderer
- Parameters:
cre
- Encapsulated information that defines the area to be clipped
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drawImage
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing an image on the target rendering device's graphic context.- Specified by:
drawImage
in interfaceIPrimitiveRenderer
- Parameters:
ire
- Encapsulated information that defines a polygon and its attributes- Throws:
ChartException
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drawLine
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing a line on the target rendering device's graphic context.- Specified by:
drawLine
in interfaceIPrimitiveRenderer
- Parameters:
lre
- Encapsulated information that defines a line and its attributes- Throws:
ChartException
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drawRectangle
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing a rectangle on the target rendering device's graphic context.- Specified by:
drawRectangle
in interfaceIPrimitiveRenderer
- Parameters:
rre
- Encapsulated information that defines a rectangle and its attributes- Throws:
ChartException
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fillRectangle
Description copied from interface:IPrimitiveRenderer
This method is responsible for filling a rectangle on the target rendering device's graphic context.- Specified by:
fillRectangle
in interfaceIPrimitiveRenderer
- Parameters:
rre
- Encapsulated information that defines a rectangle and its attributes- Throws:
ChartException
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drawPolygon
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing a polygon on the target rendering device's graphic context.- Specified by:
drawPolygon
in interfaceIPrimitiveRenderer
- Parameters:
pre
- Encapsulated information that defines a polygon and its attributes- Throws:
ChartException
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fillPolygon
Description copied from interface:IPrimitiveRenderer
This method is responsible for filling a polygon on the target rendering device's graphic context.- Specified by:
fillPolygon
in interfaceIPrimitiveRenderer
- Parameters:
pre
- Encapsulated information that defines a polygon and its attributes- Throws:
ChartException
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drawArc
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing an elliptical arc on the target rendering device's graphic context.- Specified by:
drawArc
in interfaceIPrimitiveRenderer
- Parameters:
are
- Encapsulated information that defines the arc and its attributes- Throws:
ChartException
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fillArc
Description copied from interface:IPrimitiveRenderer
This method is responsible for filling an elliptical arc on the target rendering device's graphic context.- Specified by:
fillArc
in interfaceIPrimitiveRenderer
- Parameters:
are
- Encapsulated information that defines an arc and its attributes- Throws:
ChartException
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enableInteraction
- Specified by:
enableInteraction
in interfaceIPrimitiveRenderer
- Throws:
ChartException
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drawArea
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing a custom defined area on the target rendering device's graphic context.- Specified by:
drawArea
in interfaceIPrimitiveRenderer
- Parameters:
are
- Encapsulated information that defines the area and its attributes- Throws:
ChartException
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fillArea
Description copied from interface:IPrimitiveRenderer
This method is responsible for filling a custom defined area on the target rendering device's graphic context.- Specified by:
fillArea
in interfaceIPrimitiveRenderer
- Parameters:
are
- Encapsulated information that defines the area and its attributes- Throws:
ChartException
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drawOval
Description copied from interface:IPrimitiveRenderer
This method is responsible for drawing an oval area on the target rendering device's graphic context.- Specified by:
drawOval
in interfaceIPrimitiveRenderer
- Parameters:
ore
- Encapsulated information that defines the oval and its attributes- Throws:
ChartException
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fillOval
Description copied from interface:IPrimitiveRenderer
This method is responsible for filling an oval area on the target rendering device's graphic context.- Specified by:
fillOval
in interfaceIPrimitiveRenderer
- Parameters:
ore
- Encapsulated information that defines the oval and its attributes- Throws:
ChartException
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drawText
Description copied from interface:IPrimitiveRenderer
This method renders text on the target rendering device's graphic context using one of the three methods: 1. Renders text (with optional insets, border, fill, etc) with the encapsulating container rectangle's corner or edge aligning against a given point 2. Renders a shadow offset with the encapsulating container rectangle's corner or edge aligning against a given point 3. Renders text (with optional insets, border, fill, etc) with the encapsulating container rectangle's bounding box aligned with a parent block's bounding box- Specified by:
drawText
in interfaceIPrimitiveRenderer
- Throws:
ChartException
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applyTransformation
Description copied from interface:IPrimitiveRenderer
This method is capable of applying a global transformation on the device specific graphics context Available transformation types are: SCALE, TRANSLATE, ROTATE- Specified by:
applyTransformation
in interfaceIPrimitiveRenderer
- Throws:
ChartException
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changeStructure
Description copied from interface:IStructureDefinitionListener
Sends out a notification to a listener indicating that a structure group has changed (either via a start or end) notification.- Specified by:
changeStructure
in interfaceIStructureDefinitionListener
- Parameters:
scev
- Encapsulated information associated with the structure change notification that identifies the source object being changed.
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presentException
Description copied from interface:IDeviceRenderer
Notifies a device renderer to present an exception in its context- Specified by:
presentException
in interfaceIDeviceRenderer
- Parameters:
cexp
- The exception to be presented
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getMimeType
Description copied from interface:IDeviceRenderer
Returns the MIME type of the output image that the device renderer creates. Returns null in case of native rendering (no image file is created)- Specified by:
getMimeType
in interfaceIDeviceRenderer
- Returns:
- the MIME type as a String (e.g. "image/png")
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getChartComputation
Description copied from interface:IDeviceRenderer
Returns the chart computation.- Specified by:
getChartComputation
in interfaceIDeviceRenderer
- Returns:
- IChartComputation
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setChartComputation
Description copied from interface:IDeviceRenderer
Sets the chart computation.- Specified by:
setChartComputation
in interfaceIDeviceRenderer
- Parameters:
cComp
- IChartComputation
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