Package com.io7m.calino.vanilla.internal

Class CLN1SectionReadableImage2D

java.lang.Object

com.io7m.calino.vanilla.internal.CLN1SectionReadableAbstract

com.io7m.calino.vanilla.internal.CLN1SectionReadableImage2D

All Implemented Interfaces:

CLNSectionReadableImage2DType, CLNSectionReadableStandardType, CLNSectionReadableType, Closeable, AutoCloseable

public final class CLN1SectionReadableImage2D
extends CLN1SectionReadableAbstract
implements CLNSectionReadableImage2DType

A readable 2D image section.

Method Summary

Modifier and Type	Method	Description
SeekableByteChannel	mipMapDataRaw(CLNImage2DDescription description)	Obtain a readable channel that returns potentially compressed data.
ReadableByteChannel	mipMapDataWithoutSupercompression(CLNImage2DDescription description)	Obtain a readable channel that returns decompressed data (that is, data with any supercompression removed).
List<CLNImage2DDescription>	mipMapDescriptions()

Methods inherited from class com.io7m.calino.vanilla.internal.CLN1SectionReadableAbstract

close, description, errorLimitExceeded, fileSectionDescription, reader, request, sectionDataChannel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.io7m.calino.api.CLNSectionReadableType

description, fileSectionDescription, sectionDataChannel

Methods inherited from interface java.io.Closeable

close

Method Details

mipMapDescriptions

public List<CLNImage2DDescription> mipMapDescriptions()
                                               throws IOException

Specified by:

mipMapDescriptions in interface CLNSectionReadableImage2DType

Returns:

The set of declared mipmaps

Throws:

IOException - On errors

mipMapDataWithoutSupercompression

public ReadableByteChannel mipMapDataWithoutSupercompression(CLNImage2DDescription description)
                                                      throws IOException

Description copied from interface: CLNSectionReadableImage2DType

Obtain a readable channel that returns decompressed data (that is, data with any supercompression removed).

Specified by:

mipMapDataWithoutSupercompression in interface CLNSectionReadableImage2DType

Parameters:

description - The image description

Returns:

A readable channel

Throws:

IOException - On I/O errors

mipMapDataRaw

public SeekableByteChannel mipMapDataRaw(CLNImage2DDescription description)
                                  throws IOException

Description copied from interface: CLNSectionReadableImage2DType

Obtain a readable channel that returns potentially compressed data. The bytes returned by the channel are not interpreted in any form, and are exactly as they appeared in the underlying file.

Specified by:

mipMapDataRaw in interface CLNSectionReadableImage2DType

Parameters:

description - The image description

Returns:

A readable channel

Throws:

IOException - On I/O errors