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:: com :: sun :: star :: awt ::

interface XImageConsumer
Description
specifies a data sink for an image.

An image consumer is a component which wants to display or just receive an image from an image producer.

See also
XImageProducer

Methods' Summary
init initializes the consumer with image dimensions.  
setColorModel changes color model for next pixels typically called once after initialization.  
setPixelsByBytes delivers a chunk of pixels as long values.  
setPixelsByLongs delivers a chunk of pixels as byte values.  
complete is called for the notification of the degree to which the image is delivered.  
Methods' Details
init
[oneway] void
init( [in] long  Width,
[in] long  Height );

Description
initializes the consumer with image dimensions.
setColorModel
[oneway] void
setColorModel( [in] short  BitCount,
[in] sequence< long >  RGBAPal,
[in] long  RedMask,
[in] long  GreenMask,
[in] long  BlueMask,
[in] long  AlphaMask );

Description
changes color model for next pixels typically called once after initialization.
setPixelsByBytes
[oneway] void
setPixelsByBytes( [in] long  nX,
[in] long  nY,
[in] long  nWidth,
[in] long  nHeight,
[in] sequence< byte >  aProducerData,
[in] long  nOffset,
[in] long  nScanSize );

Description
delivers a chunk of pixels as long values.

The pixels of the image are delivered using one or more calls to this method. Each call specifies the location and size of the rectangle of source pixels that are contained in the array of pixels. The specified color model object should be used to convert the pixels into their corresponding color and alpha components. Pixel (m,n) is stored in the pixels array at index (n * nScanSize + m + nOffset).

setPixelsByLongs
[oneway] void
setPixelsByLongs( [in] long  nX,
[in] long  nY,
[in] long  nWidth,
[in] long  nHeight,
[in] sequence< long >  aProducerData,
[in] long  nOffset,
[in] long  nScanSize );

Description
delivers a chunk of pixels as byte values.

The pixels of the image are delivered using one or more calls to this method. Each call specifies the location and size of the rectangle of source pixels that are contained in the array of pixels. The specified color model object should be used to convert the pixels into their corresponding color and alpha components. Pixel (m,n) is stored in the pixels array at index (n * nScanSize + m + nOffset).

complete
[oneway] void
complete( [in] long  Status,
[in] XImageProducer  xProducer );

Description
is called for the notification of the degree to which the image is delivered.

The complete method is called when the image producer has finished delivering all of the pixels that the source image contains, or when a single frame of a multi-frame animation has been completed, or when an error in loading or producing the image has occurred. The image consumer should remove itself from the list of consumers registered with the image producer at this time, unless it is interested in successive frames.

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