JavaFX 21.0.2 · com.sun.javafx.iio.common.ImageTools

Modifier and Type	Field and Description
public static final int	PROGRESS_INTERVAL The percentage increment between progress report updates.

Access	Constructor and Description
public	ImageTools()

Method Summary

Modifier and Type	Method and Description
public static int[]	computeDimensions(int sourceWidth, int sourceHeight, int maxWidth, int maxHeight, boolean preserveAspectRatio)
private static void	computeUpdatedPixels(int sourceOffset, int sourceExtent, int destinationOffset, int dstMin, int dstMax, int sourceSubsampling, int passStart, int passExtent, int passPeriod, int[] vals, int offset)
public static int[]	Returns: an array of 6 `int`s containing the destination min X, min Y, width, height, X period and Y period of the region that will be updated. computeUpdatedPixels(Rectangle a `Rectangle` containing the source region being read, offset by the source subsampling offsets, and clipped against the source bounds, as returned by the `getSourceRegion` method. sourceRegion, Point2D a `Point` containing the coordinates of the upper-left pixel to be written in the destination. destinationOffset, int the smallest X coordinate (inclusive) of the destination `Raster`. dstMinX, int the smallest Y coordinate (inclusive) of the destination `Raster`. dstMinY, int the largest X coordinate (inclusive) of the destination `Raster`. dstMaxX, int the largest Y coordinate (inclusive) of the destination `Raster`. dstMaxY, int the X subsampling factor. sourceXSubsampling, int the Y subsampling factor. sourceYSubsampling, int the smallest source X coordinate (inclusive) of the current progressive pass. passXStart, int the smallest source Y coordinate (inclusive) of the current progressive pass. passYStart, int the width in pixels of the current progressive pass. passWidth, int the height in pixels of the current progressive pass. passHeight, int the X period (horizontal spacing between pixels) of the current progressive pass. passPeriodX, int the Y period (vertical spacing between pixels) of the current progressive pass. passPeriodY) A utility method that computes the exact set of destination pixels that will be written during a particular decoding pass.
public static byte[]	convert(int width, int height, ImageStorage.ImageType inputType, byte[] input, int inputOffset, int inRowStride, byte[] output, int outputOffset, int outRowStride, byte[][] palette, int transparentIndex, boolean skipTransparent)
public static ImageFrame	convertImageFrame(ImageFrame frame)
public static byte[]	createImageArray(ImageStorage.ImageType type, int width, int height)
public static InputStream	createInputStream(String input)
public static ImageStorage.ImageType	getConvertedType(ImageStorage.ImageType type)
public static String	getScaledImageName(String path)
public static int	readFully(InputStream the stream from which to read the data. stream, byte[] the buffer into which the data is read. b, int the start offset of the data. off, int the number of bytes to read. len) See the general contract of the `readFully` method of `DataInput`.
public static int	readFully(InputStream the stream from which to read the data. stream, byte[] the buffer into which the data is read. b) See the general contract of the `readFully` method of `DataInput`.
public static ByteBuffer	scaleImage(ByteBuffer src, int sourceWidth, int sourceHeight, int numBands, int destWidth, int destHeight, boolean isSmooth)
public static ImageFrame	scaleImageFrame(ImageFrame src, int destWidth, int destHeight, boolean isSmooth)
public static void	skipFully(InputStream the stream to skip. stream, long the number of bytes to be skipped. n) Skips over `n` bytes of data from the input stream.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

PROGRESS_INTERVAL	back to summary
public static final int PROGRESS_INTERVAL The percentage increment between progress report updates.

ImageTools	back to summary
public ImageTools()

Method Detail

computeDimensions	back to summary
public static int[] computeDimensions(int sourceWidth, int sourceHeight, int maxWidth, int maxHeight, boolean preserveAspectRatio)

computeUpdatedPixels	back to summary
private static void computeUpdatedPixels(int sourceOffset, int sourceExtent, int destinationOffset, int dstMin, int dstMax, int sourceSubsampling, int passStart, int passExtent, int passPeriod, int[] vals, int offset)

computeUpdatedPixels back to summary

computeUpdatedPixels	back to summary
public static int[] computeUpdatedPixels(Rectangle sourceRegion, Point2D destinationOffset, int dstMinX, int dstMinY, int dstMaxX, int dstMaxY, int sourceXSubsampling, int sourceYSubsampling, int passXStart, int passYStart, int passWidth, int passHeight, int passPeriodX, int passPeriodY) A utility method that computes the exact set of destination pixels that will be written during a particular decoding pass. The intent is to simplify the work done by readers in combining the source region, source subsampling, and destination offset information obtained from the `ImageReadParam` with the offsets and periods of a progressive or interlaced decoding pass. Parameters sourceRegion:Rectangle a `Rectangle` containing the source region being read, offset by the source subsampling offsets, and clipped against the source bounds, as returned by the `getSourceRegion` method. destinationOffset:Point2D a `Point` containing the coordinates of the upper-left pixel to be written in the destination. dstMinX:int the smallest X coordinate (inclusive) of the destination `Raster`. dstMinY:int the smallest Y coordinate (inclusive) of the destination `Raster`. dstMaxX:int the largest X coordinate (inclusive) of the destination `Raster`. dstMaxY:int the largest Y coordinate (inclusive) of the destination `Raster`. sourceXSubsampling:int the X subsampling factor. sourceYSubsampling:int the Y subsampling factor. passXStart:int the smallest source X coordinate (inclusive) of the current progressive pass. passYStart:int the smallest source Y coordinate (inclusive) of the current progressive pass. passWidth:int the width in pixels of the current progressive pass. passHeight:int the height in pixels of the current progressive pass. passPeriodX:int the X period (horizontal spacing between pixels) of the current progressive pass. passPeriodY:int the Y period (vertical spacing between pixels) of the current progressive pass. Returns:int[] an array of 6 `int`s containing the destination min X, min Y, width, height, X period and Y period of the region that will be updated.

public static int[] computeUpdatedPixels(Rectangle sourceRegion, Point2D destinationOffset, int dstMinX, int dstMinY, int dstMaxX, int dstMaxY, int sourceXSubsampling, int sourceYSubsampling, int passXStart, int passYStart, int passWidth, int passHeight, int passPeriodX, int passPeriodY)

A utility method that computes the exact set of destination pixels that will be written during a particular decoding pass. The intent is to simplify the work done by readers in combining the source region, source subsampling, and destination offset information obtained from the ImageReadParam with the offsets and periods of a progressive or interlaced decoding pass.

Parameters

sourceRegion:Rectangle: a Rectangle containing the source region being read, offset by the source subsampling offsets, and clipped against the source bounds, as returned by the getSourceRegion method.
destinationOffset:Point2D: a Point containing the coordinates of the upper-left pixel to be written in the destination.
dstMinX:int: the smallest X coordinate (inclusive) of the destination Raster.
dstMinY:int: the smallest Y coordinate (inclusive) of the destination Raster.
dstMaxX:int: the largest X coordinate (inclusive) of the destination Raster.
dstMaxY:int: the largest Y coordinate (inclusive) of the destination Raster.
sourceXSubsampling:int: the X subsampling factor.
sourceYSubsampling:int: the Y subsampling factor.
passXStart:int: the smallest source X coordinate (inclusive) of the current progressive pass.
passYStart:int: the smallest source Y coordinate (inclusive) of the current progressive pass.
passWidth:int: the width in pixels of the current progressive pass.
passHeight:int: the height in pixels of the current progressive pass.
passPeriodX:int: the X period (horizontal spacing between pixels) of the current progressive pass.
passPeriodY:int: the Y period (vertical spacing between pixels) of the current progressive pass.

Returns:int[]

an array of 6 ints containing the destination min X, min Y, width, height, X period and Y period of the region that will be updated.

convert	back to summary
public static byte[] convert(int width, int height, ImageStorage.ImageType inputType, byte[] input, int inputOffset, int inRowStride, byte[] output, int outputOffset, int outRowStride, byte[][] palette, int transparentIndex, boolean skipTransparent)

convertImageFrame	back to summary
public static ImageFrame convertImageFrame(ImageFrame frame)

createImageArray	back to summary
public static byte[] createImageArray(ImageStorage.ImageType type, int width, int height)

createInputStream	back to summary
public static InputStream createInputStream(String input) throws IOException

getConvertedType	back to summary
public static ImageStorage.ImageType getConvertedType(ImageStorage.ImageType type)

getScaledImageName	back to summary
public static String getScaledImageName(String path)

readFully back to summary

readFully	back to summary
public static int readFully(InputStream stream, byte[] b, int off, int len) throws IOException See the general contract of the `readFully` method of `DataInput`. Bytes for this operation are read from the specified input stream. Parameters stream:InputStream the stream from which to read the data. b:byte[] the buffer into which the data is read. off:int the start offset of the data. len:int the number of bytes to read. Exceptions IOException: if another I/O error occurs. EOFException: if this input stream reaches the end before reading all the bytes.

public static int readFully(InputStream stream, byte[] b, int off, int len) throws IOException

See the general contract of the readFully method of DataInput.

Bytes for this operation are read from the specified input stream.

Parameters

stream:InputStream: the stream from which to read the data.
b:byte[]: the buffer into which the data is read.
off:int: the start offset of the data.
len:int: the number of bytes to read.

Exceptions

IOException:: if another I/O error occurs.
EOFException:: if this input stream reaches the end before reading all the bytes.

readFully back to summary

readFully	back to summary
public static int readFully(InputStream stream, byte[] b) throws IOException See the general contract of the `readFully` method of `DataInput`. Bytes for this operation are read from the contained input stream. Parameters stream:InputStream the stream from which to read the data. b:byte[] the buffer into which the data is read. Exceptions IOException: if another I/O error occurs. EOFException: if this input stream reaches the end before reading all the bytes.

public static int readFully(InputStream stream, byte[] b) throws IOException

See the general contract of the readFully method of DataInput.

Bytes for this operation are read from the contained input stream.

Parameters

stream:InputStream: the stream from which to read the data.
b:byte[]: the buffer into which the data is read.

Exceptions

IOException:: if another I/O error occurs.
EOFException:: if this input stream reaches the end before reading all the bytes.

scaleImage	back to summary
public static ByteBuffer scaleImage(ByteBuffer src, int sourceWidth, int sourceHeight, int numBands, int destWidth, int destHeight, boolean isSmooth)

scaleImageFrame	back to summary
public static ImageFrame scaleImageFrame(ImageFrame src, int destWidth, int destHeight, boolean isSmooth)

skipFully back to summary

skipFully	back to summary
public static void skipFully(InputStream stream, long n) throws IOException Skips over `n` bytes of data from the input stream. Parameters stream:InputStream the stream to skip. n:long the number of bytes to be skipped. Exceptions IOException: if another I/O error occurs. EOFException: if this input stream reaches the end before skipping all the bytes.

public static void skipFully(InputStream stream, long n) throws IOException

Skips over n bytes of data from the input stream.

Parameters

stream:InputStream: the stream to skip.
n:long: the number of bytes to be skipped.

Exceptions

IOException:: if another I/O error occurs.
EOFException:: if this input stream reaches the end before skipping all the bytes.

public Class ImageTools

Field Summary

Constructor Summary

Method Summary

Field Detail

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Method Detail