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javax.imageio.event.IIOReadProgressListener

An interface used by ImageReader implementations to notify callers of their image and thumbnail reading methods of progress.

This interface receives general indications of decoding progress (via the imageProgress and thumbnailProgress methods), and events indicating when an entire image has been updated (via the imageStarted, imageComplete, thumbnailStarted and thumbnailComplete methods). Applications that wish to be informed of pixel updates as they happen (for example, during progressive decoding), should provide an IIOReadUpdateListener.

An interface used by ImageReader implementations to
notify callers of their image and thumbnail reading methods of
progress.

 This interface receives general indications of decoding
progress (via the imageProgress and
thumbnailProgress methods), and events indicating when
an entire image has been updated (via the
imageStarted, imageComplete,
thumbnailStarted and thumbnailComplete
methods).  Applications that wish to be informed of pixel updates
as they happen (for example, during progressive decoding), should
provide an IIOReadUpdateListener.
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image-completeclj

(image-complete this source)

Reports that the current image read operation has completed. All ImageReader implementations are required to call this method exactly once upon completion of each image read operation.

source - the ImageReader object calling this method. - javax.imageio.ImageReader

Reports that the current image read operation has completed.
 All ImageReader implementations are required to
 call this method exactly once upon completion of each image
 read operation.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
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image-progressclj

(image-progress this source percentage-done)

Reports the approximate degree of completion of the current read call of the associated ImageReader.

The degree of completion is expressed as a percentage varying from 0.0F to 100.0F. The percentage should ideally be calculated in terms of the remaining time to completion, but it is usually more practical to use a more well-defined metric such as pixels decoded or portion of input stream consumed. In any case, a sequence of calls to this method during a given read operation should supply a monotonically increasing sequence of percentage values. It is not necessary to supply the exact values 0 and 100, as these may be inferred by the callee from other methods.

Each particular ImageReader implementation may call this method at whatever frequency it desires. A rule of thumb is to call it around each 5 percent mark.

source - the ImageReader object calling this method. - javax.imageio.ImageReader percentage-done - the approximate percentage of decoding that has been completed. - float

Reports the approximate degree of completion of the current
 read call of the associated
 ImageReader.

  The degree of completion is expressed as a percentage
 varying from 0.0F to 100.0F.  The
 percentage should ideally be calculated in terms of the
 remaining time to completion, but it is usually more practical
 to use a more well-defined metric such as pixels decoded or
 portion of input stream consumed.  In any case, a sequence of
 calls to this method during a given read operation should
 supply a monotonically increasing sequence of percentage
 values.  It is not necessary to supply the exact values
 0 and 100, as these may be inferred
 by the callee from other methods.

  Each particular ImageReader implementation may
 call this method at whatever frequency it desires.  A rule of
 thumb is to call it around each 5 percent mark.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
percentage-done - the approximate percentage of decoding that has been completed. - `float`
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image-startedclj

(image-started this source image-index)

Reports that an image read operation is beginning. All ImageReader implementations are required to call this method exactly once when beginning an image read operation.

source - the ImageReader object calling this method. - javax.imageio.ImageReader image-index - the index of the image being read within its containing input file or stream. - int

Reports that an image read operation is beginning.  All
 ImageReader implementations are required to call
 this method exactly once when beginning an image read
 operation.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
image-index - the index of the image being read within its containing input file or stream. - `int`
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read-abortedclj

(read-aborted this source)

Reports that a read has been aborted via the reader's abort method. No further notifications will be given.

source - the ImageReader object calling this method. - javax.imageio.ImageReader

Reports that a read has been aborted via the reader's
 abort method.  No further notifications will be
 given.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
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sequence-completeclj

(sequence-complete this source)

Reports that a sequence of read operations has completed. ImageReader implementations are required to call this method exactly once from their readAll(Iterator) method.

source - the ImageReader object calling this method. - javax.imageio.ImageReader

Reports that a sequence of read operations has completed.
 ImageReader implementations are required to call
 this method exactly once from their
 readAll(Iterator) method.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
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sequence-startedclj

(sequence-started this source min-index)

Reports that a sequence of read operations is beginning. ImageReader implementations are required to call this method exactly once from their readAll(Iterator) method.

source - the ImageReader object calling this method. - javax.imageio.ImageReader min-index - the index of the first image to be read. - int

Reports that a sequence of read operations is beginning.
 ImageReader implementations are required to call
 this method exactly once from their
 readAll(Iterator) method.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
min-index - the index of the first image to be read. - `int`
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thumbnail-completeclj

(thumbnail-complete this source)

Reports that a thumbnail read operation has completed. All ImageReader implementations are required to call this method exactly once upon completion of each thumbnail read operation.

source - the ImageReader object calling this method. - javax.imageio.ImageReader

Reports that a thumbnail read operation has completed.  All
 ImageReader implementations are required to call
 this method exactly once upon completion of each thumbnail read
 operation.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
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thumbnail-progressclj

(thumbnail-progress this source percentage-done)

Reports the approximate degree of completion of the current getThumbnail call within the associated ImageReader. The semantics are identical to those of imageProgress.

source - the ImageReader object calling this method. - javax.imageio.ImageReader percentage-done - the approximate percentage of decoding that has been completed. - float

Reports the approximate degree of completion of the current
 getThumbnail call within the associated
 ImageReader.  The semantics are identical to those
 of imageProgress.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
percentage-done - the approximate percentage of decoding that has been completed. - `float`
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thumbnail-startedclj

(thumbnail-started this source image-index thumbnail-index)

Reports that a thumbnail read operation is beginning. All ImageReader implementations are required to call this method exactly once when beginning a thumbnail read operation.

source - the ImageReader object calling this method. - javax.imageio.ImageReader image-index - the index of the image being read within its containing input file or stream. - int thumbnail-index - the index of the thumbnail being read. - int

Reports that a thumbnail read operation is beginning.  All
 ImageReader implementations are required to call
 this method exactly once when beginning a thumbnail read
 operation.

source - the ImageReader object calling this method. - `javax.imageio.ImageReader`
image-index - the index of the image being read within its containing input file or stream. - `int`
thumbnail-index - the index of the thumbnail being read. - `int`
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