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Class quicktime.std.image.DSequence

java.lang.Object
   |
   +----quicktime.QTObject
           |
           +----quicktime.std.image.CDSequence
                   |
                   +----quicktime.std.image.DSequence

public final class DSequence

extends CDSequence

See Also:

CDSequence, CSequence

DSequence(ImageDescription, EncodedImage, QDGraphics, QDRect, Matrix, Region, int, int, CodecComponent)

This constructor allows you to pass a compressed sample so the codec can perform preflighting before the first decompressFrame call.

DSequence(ImageDescription, QDGraphics, QDRect, Matrix, Region, int, int, CodecComponent)

Creating an instance of this class signals the beginning of the process of decompressing a sequence of frames.

decompressFrame(ByteEncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrame(EncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrame(IntEncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrame(RawEncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrameS(ByteEncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrameS(EncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrameS(IntEncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrameS(RawEncodedImage, int)

Your application calls this method to decompress one of a sequence of frames.

decompressFrameWhen(ByteEncodedImage, int, ICMFrameTime)

Queues a frame for decompression and specifies the time at which decompression will begin.

decompressFrameWhen(EncodedImage, int, ICMFrameTime)

Queues a frame for decompression and specifies the time at which decompression will begin.

decompressFrameWhen(IntEncodedImage, int, ICMFrameTime)

Queues a frame for decompression and specifies the time at which decompression will begin.

decompressFrameWhen(RawEncodedImage, int, ICMFrameTime)

Queues a frame for decompression and specifies the time at which decompression will begin.

flush()

Stops a decompression sequence, aborting processing of any queued frames.

getImageBuffer()

This method helps you determine the location of the offscreen image buffer allocated by the decompressor.

getScreenBuffer()

This method enables you to determine the location of the offscreen buffer allocated by the decompressor.

hitTestData(EncodedImage, QDPoint, int)

The HitTestDSequenceData function allows the calling application to perform hit testing on compressed data.

invalidate(Region)

Notifies the Image Compression Manager that the destination port for the given image decompression sequence has been invalidated.

ptInData(EncodedImage, QDPoint)

Tests to see if an image contains data at a given point.

setAccuracy(int)

This method adjusts the decompression accuracy for this sequence.

setGraphicsMode(GraphicsMode)

This method sets the mode used when drawing the decompressed image.

setMask(Region)

This method assigns a clipping region to the sequence.

setMatrix(Matrix)

This method assigns a mapping matrix to the sequence.

setMatte(PixMap, QDRect)

This method assigns a blend matte to the sequence.

setSrcRect(QDRect)

This method defines the portion of the image to decompress.

setTransferMode(int, QDColor)

This method sets the mode used when drawing the decompressed image.

shieldCursor()

Hides the cursor during decompression operations.

 public DSequence(ImageDescription desc,
                  QDGraphics port,
                  QDRect srcRect,
                  Matrix matrix,
                  Region mask,
                  int flags,
                  int accuracy,
                  CodecComponent codec) throws QTException

Creating an instance of this class signals the beginning of the process of decompressing a sequence of frames.

QuickTime::DecompressSequenceBegin

Parameters:

desc - an ImageDescription object which describes the compressed data

port - a QDGraphics for the destination image. This may NOT be null.

srcRect - a QDRect defining the portion of the image to decompress, or null to use the rectangle defined in the ImageDescription associated with this sequence

matrix - a Matrix that specifies how to transform the image during decompression

mask - a RgnHandle which defines a clipping region in the destination coordinate system, or null

flags - flags providing further control information

accuracy - the accuracy desired in the decompressed image

codec - a Decompressor identifier

 public DSequence(ImageDescription desc,
                  EncodedImage data,
                  QDGraphics port,
                  QDRect srcRect,
                  Matrix matrix,
                  Region mask,
                  int flags,
                  int accuracy,
                  CodecComponent codec) throws QTException

This constructor allows you to pass a compressed sample so the codec can perform preflighting before the first decompressFrame call.

QuickTime::DecompressSequenceBeginS

Parameters:

desc - an ImageDescription object which describes the compressed data

data - encoded image data

port - a QDGraphics for the destination image. This may NOT be null.

srcRect - a QDRect defining the portion of the image to decompress, or null to use the rectangle defined in the ImageDescription associated with this sequence

matrix - a Matrix that specifies how to transform the image during decompression

mask - a RgnHandle which defines a clipping region in the destination coordinate system, or null

flags - flags providing further control information

accuracy - the accuracy desired in the decompressed image

codec - a Decompressor identifier

Returns:

the unique sequence id

 public int decompressFrameS(EncodedImage data,
                             int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrameS

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrameS(ByteEncodedImage data,
                             int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrameS

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrameS(IntEncodedImage data,
                             int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrameS

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrameS(RawEncodedImage data,
                             int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrameS

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrame(EncodedImage data,
                            int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrame

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrame(ByteEncodedImage data,
                            int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrame

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrame(IntEncodedImage data,
                            int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrame

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrame(RawEncodedImage data,
                            int inFlags) throws StdQTException

Your application calls this method to decompress one of a sequence of frames.

QuickTime::DecompressSequenceFrame

Parameters:

data - encoded image data

inFlags - flags providing further control information

Returns:

the outFlags value

 public int decompressFrameWhen(ByteEncodedImage data,
                                int inFlags,
                                ICMFrameTime frameTime) throws StdQTException

Queues a frame for decompression and specifies the time at which decompression will begin.

QuickTime::DecompressSequenceFrameWhen

Parameters:

data - encoded image data

inFlags - flags providing further control information

frameTime - an ICMFrameTime object that contains the frame's time information, including the time at which the frame should be displayed, its duration, and the movie's playback rate.

Returns:

the outFlags value

 public int decompressFrameWhen(IntEncodedImage data,
                                int inFlags,
                                ICMFrameTime frameTime) throws StdQTException

Queues a frame for decompression and specifies the time at which decompression will begin.

QuickTime::DecompressSequenceFrameWhen

Parameters:

data - encoded image data

inFlags - flags providing further control information

frameTime - an ICMFrameTime object that contains the frame's time information, including the time at which the frame should be displayed, its duration, and the movie's playback rate.

Returns:

the outFlags value

 public int decompressFrameWhen(RawEncodedImage data,
                                int inFlags,
                                ICMFrameTime frameTime) throws StdQTException

Queues a frame for decompression and specifies the time at which decompression will begin.

QuickTime::DecompressSequenceFrameWhen

Parameters:

data - encoded image data

inFlags - flags providing further control information

frameTime - an ICMFrameTime object that contains the frame's time information, including the time at which the frame should be displayed, its duration, and the movie's playback rate.

Returns:

the outFlags value

 public int decompressFrameWhen(EncodedImage data,
                                int inFlags,
                                ICMFrameTime frameTime) throws StdQTException

Queues a frame for decompression and specifies the time at which decompression will begin.

QuickTime::DecompressSequenceFrameWhen

Parameters:

data - encoded image data

inFlags - flags providing further control information

frameTime - an ICMFrameTime object that contains the frame's time information, including the time at which the frame should be displayed, its duration, and the movie's playback rate.

Returns:

the outFlags value

 public void setGraphicsMode(GraphicsMode mode) throws StdQTException

This method sets the mode used when drawing the decompressed image.

QuickTime::SetDSequenceTransferMode

Parameters:

mode - the transfer mode to use when drawing the decompressed image

 public void setTransferMode(int mode,
                             QDColor opColor) throws StdQTException

This method sets the mode used when drawing the decompressed image.

QuickTime::SetDSequenceTransferMode

Parameters:

mode - the transfer mode to use when drawing the decompressed image

opColor - an QDColor object to be used in addPin, subPin, blend and transparent operations. If null, the opColor is left unchanged.

 public void setSrcRect(QDRect srcRect) throws StdQTException

This method defines the portion of the image to decompress.

QuickTime::SetDSequenceSrcRect

Parameters:

srcRect - a QDRect object defining the portion of the object to decompress

 public void setMatrix(Matrix matrix) throws StdQTException

This method assigns a mapping matrix to the sequence.

QuickTime::SetDSequenceMatrix

Parameters:

matrix - a Matrix object that specifies how to transform the image during decompression

 public void setMask(Region mask) throws StdQTException

This method assigns a clipping region to the sequence.

QuickTime::SetDSequenceMask

Parameters:

mask - a Region object which is applied to the desitnation image. If null then masking is stopped.

 public void setMatte(PixMap matte,
                      QDRect matteRect) throws StdQTException

This method assigns a blend matte to the sequence.

QuickTime::SetDSequenceMatte

Parameters:

matte - a PixMap object which contains a blend matte

matteRect - a QDRect object which defines the boundary of the matte

 public void setAccuracy(int accuracy) throws StdQTException

This method adjusts the decompression accuracy for this sequence.

QuickTime::SetDSequenceAccuracy

Parameters:

accuracy - the accuracy desired in the decompressed image

 public QDGraphics getImageBuffer() throws StdQTException

This method helps you determine the location of the offscreen image buffer allocated by the decompressor.

QuickTime::GetDSequenceImageBuffer

Returns:

a QDGraphics object which is the graphics world for the image buffer

 public QDGraphics getScreenBuffer() throws StdQTException

This method enables you to determine the location of the offscreen buffer allocated by the decompressor.

QuickTime::GetDSequenceScreenBuffer

Returns:

a QDGraphics object which is the graphics world for the screen buffer

 public boolean ptInData(EncodedImage data,
                         QDPoint where) throws StdQTException

Tests to see if an image contains data at a given point.

QuickTime::PtInDSequenceData

Parameters:

data - encoded image data

where - a Point object, (0,0) is upper left corner of the image

Returns:

true if the compressed data contains data at the point specified by the where parameter. false if the specified point falls within a blank portion of the image.

 public boolean hitTestData(EncodedImage data,
                            QDPoint where,
                            int hitFlags) throws StdQTException

The HitTestDSequenceData function allows the calling application to perform hit testing on compressed data.

QuickTime::HitTestDSequenceData

Parameters:

data - compressed data in the format specified by the description of the DSequence.

where - A QuickDraw Point (0,0) based at the top-left corner of the image.

hitFlags - indicates the hit-testing behaviour that is sought

Returns:

true if the compressed data contains data at the point specified by the where parameter.

 public void flush() throws StdQTException

Stops a decompression sequence, aborting processing of any queued frames.

QuickTime::CDSequenceFlush

 public void invalidate(Region invalRgn) throws StdQTException

Notifies the Image Compression Manager that the destination port for the given image decompression sequence has been invalidated.

QuickTime::CDSequenceInvalidate

Parameters:

invalRgn - a Region describing the invalid portion of the image

 public void shieldCursor() throws StdQTException

Hides the cursor during decompression operations.

QuickTime::ICMShieldSequenceCursor

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