mil.nga.geopackage.extension.coverage

Class CoverageDataPngImage

java.lang.Object

mil.nga.geopackage.extension.coverage.CoverageDataPngImage

All Implemented Interfaces:

CoverageDataImage

public class CoverageDataPngImage
extends Object
implements CoverageDataImage

Coverage Data PNG image, stores the tile row image and raster

Since:

2.0.1

Constructor Summary

Constructors

Constructor and Description
CoverageDataPngImage(ImageInfo imageInfo) Constructor, used for writing a PNG
CoverageDataPngImage(TileRow tileRow) Constructor, used for reading a PNG

Method Summary

Modifier and Type	Method and Description
void	flushStream() Flush the output stream and set the image bytes, close the stream
int	getHeight()
byte[]	getImageBytes() Get the image bytes
int	getPixel(int x, int y) Get the pixel at the coordinate
PngReaderInt	getReader() Get the PNG reader
int	getWidth()
PngWriter	getWriter() Get the PNG writer

Methods inherited from class java.lang.Object

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

Constructor Detail

CoverageDataPngImage

public CoverageDataPngImage(TileRow tileRow)

Constructor, used for reading a PNG

Parameters:

tileRow - tile row

CoverageDataPngImage

public CoverageDataPngImage(ImageInfo imageInfo)

Constructor, used for writing a PNG

Parameters:

imageInfo - image info

Method Detail

getImageBytes

public byte[] getImageBytes()

Get the image bytes

Returns:

image bytes

getReader

public PngReaderInt getReader()

Get the PNG reader

Returns:

reader

getWriter

public PngWriter getWriter()

Get the PNG writer

Returns:

writer

getWidth

public int getWidth()

Specified by:

getWidth in interface CoverageDataImage

getHeight

public int getHeight()

Specified by:

getHeight in interface CoverageDataImage

flushStream

public void flushStream()

Flush the output stream and set the image bytes, close the stream

getPixel

public int getPixel(int x,
                    int y)

Get the pixel at the coordinate

Parameters:

x - x coordinate

y - y coordinate

Returns:

pixel value