Package com.levigo.jadice.server.png

Class ImageLineSetBI

java.lang.Object

com.levigo.jadice.server.png.ImageLineSetBI

All Implemented Interfaces:

ar.com.hjg.pngj.IImageLineSet<ImageLineBI>

public class ImageLineSetBI
extends Object
implements ar.com.hjg.pngj.IImageLineSet<ImageLineBI>

Constructor Summary

Constructors

Constructor	Description
ImageLineSetBI(ar.com.hjg.pngj.ImageInfo imgInfo, ImageLineBI.Png2BufferedImageAdapter adapter)
ImageLineSetBI(ar.com.hjg.pngj.ImageInfo imgInfo, ImageLineBI.Png2BufferedImageAdapter adapter, boolean singleCursor, int nlines, int noffset, int step)	this constructor is for reading a PNG to a BufferedImage
ImageLineSetBI(BufferedImage bi, ImageLineBI.BufferedImage2PngAdapter adapter)
ImageLineSetBI(BufferedImage bi, ImageLineBI.BufferedImage2PngAdapter adapter, int nlines, int noffset, int step)	this constructor is for writing a PNG from an existing BufferedImage

Method Summary

Modifier and Type	Method	Description
ImageLineBI	getImageLine(int row)	The row number here referers to the PNG, not the BI See getImageLineRawNum(int)
ar.com.hjg.pngj.IImageLine	getImageLineRawNum(int n)	The row number here is that of the BufferedImage
boolean	hasImageLine(int n)
int	imageRowToMatrixRow(int imrow)	Converts from real image row to this object row number.
int	imageRowToMatrixRowStrict(int imrow)	Same as imageRowToMatrixRow(int), but returns negative if invalid
boolean	isForWritePng()	is this for write PNG or for write BufferredImage?
int	matrixRowToImageRow(int mrow)	Converts from matrix row number (0 : nRows-1) to image row number
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageLineSetBI

public ImageLineSetBI(ar.com.hjg.pngj.ImageInfo imgInfo,
                      ImageLineBI.Png2BufferedImageAdapter adapter,
                      boolean singleCursor,
                      int nlines,
                      int noffset,
                      int step)

this constructor is for reading a PNG to a BufferedImage

ImageLineSetBI

public ImageLineSetBI(ar.com.hjg.pngj.ImageInfo imgInfo,
                      ImageLineBI.Png2BufferedImageAdapter adapter)

ImageLineSetBI

public ImageLineSetBI(BufferedImage bi,
                      ImageLineBI.BufferedImage2PngAdapter adapter,
                      int nlines,
                      int noffset,
                      int step)

this constructor is for writing a PNG from an existing BufferedImage

ImageLineSetBI

public ImageLineSetBI(BufferedImage bi,
                      ImageLineBI.BufferedImage2PngAdapter adapter)

Method Detail

isForWritePng

public boolean isForWritePng()

is this for write PNG or for write BufferredImage?

getImageLine

public ImageLineBI getImageLine(int row)

The row number here referers to the PNG, not the BI See getImageLineRawNum(int)

Specified by:

getImageLine in interface ar.com.hjg.pngj.IImageLineSet<ImageLineBI>

getImageLineRawNum

public ar.com.hjg.pngj.IImageLine getImageLineRawNum(int n)

The row number here is that of the BufferedImage

hasImageLine

public boolean hasImageLine(int n)

Specified by:

hasImageLine in interface ar.com.hjg.pngj.IImageLineSet<ImageLineBI>

size

public int size()

Specified by:

size in interface ar.com.hjg.pngj.IImageLineSet<ImageLineBI>

imageRowToMatrixRowStrict

public int imageRowToMatrixRowStrict(int imrow)

Same as imageRowToMatrixRow(int), but returns negative if invalid

matrixRowToImageRow

public int matrixRowToImageRow(int mrow)

Converts from matrix row number (0 : nRows-1) to image row number

Parameters:

mrow - Matrix row number

Returns:

Image row number. Returns trash if mrow is invalid

imageRowToMatrixRow

public int imageRowToMatrixRow(int imrow)

Converts from real image row to this object row number.

Warning: this always returns a valid matrix row (clamping on 0 : nrows-1, and rounding down)

Eg: rowOffset=4,rowStep=2 imageRowToMatrixRow(17) returns 6 , imageRowToMatrixRow(1) returns 0