Class java.awt.image.ReplicateScaleFilter





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Class java.awt.image.ReplicateScaleFilter


java.lang.Object
|
+----java.awt.image.ImageFilter
|
+----java.awt.image.ReplicateScaleFilter



public class ReplicateScaleFilter
extends ImageFilter

An ImageFilter class for scaling images using the simplest algorithm.
This class extends the basic ImageFilter Class to scale an existing
image and provide a source for a new image containing the resampled
image. The pixels in the source image are sampled to produce pixels
for an image of the specified size by replicating rows and columns of
pixels to scale up or omitting rows and columns of pixels to scale
down.
It is meant to be used in conjunction with a FilteredImageSource
object to produce scaled versions of existing images.


See Also:
FilteredImageSource, ImageFilter








destHeight


destWidth


outpixbuf


srccols


srcHeight


srcrows


srcWidth







ReplicateScaleFilter(int, int)
Constructs a ReplicateScaleFilter that scales the pixels from
its source Image as specified by the width and height parameters.






setDimensions(int, int)
Override the dimensions of the source image and pass the dimensions
of the new scaled size to the ImageConsumer.

setPixels(int, int, int, int, ColorModel, byte[], int, int)
Choose which rows and columns of the delivered byte pixels are
needed for the destination scaled image and pass through just
those rows and columns that are needed, replicated as necessary.

setPixels(int, int, int, int, ColorModel, int[], int, int)
Choose which rows and columns of the delivered int pixels are
needed for the destination scaled image and pass through just
those rows and columns that are needed, replicated as necessary.

setProperties(Hashtable)
Passes along the properties from the source object after adding a
property indicating the scale applied.






srcWidth

protected int srcWidth


srcHeight

protected int srcHeight


destWidth

protected int destWidth


destHeight

protected int destHeight


srcrows

protected int srcrows[]


srccols

protected int srccols[]


outpixbuf

protected Object outpixbuf







ReplicateScaleFilter

public ReplicateScaleFilter(int width,
int height)


Constructs a ReplicateScaleFilter that scales the pixels from
its source Image as specified by the width and height parameters.


Parameters:
width - the target width to scale the image
height - the target height to scale the image







setProperties

public void setProperties(Hashtable props)


Passes along the properties from the source object after adding a
property indicating the scale applied.


Overrides:
setProperties in class ImageFilter



setDimensions

public void setDimensions(int w,
int h)


Override the dimensions of the source image and pass the dimensions
of the new scaled size to the ImageConsumer.


Overrides:
setDimensions in class ImageFilter
See Also:
ImageConsumer



setPixels

public void setPixels(int x,
int y,
int w,
int h,
ColorModel model,
byte pixels[],
int off,
int scansize)


Choose which rows and columns of the delivered byte pixels are
needed for the destination scaled image and pass through just
those rows and columns that are needed, replicated as necessary.


Overrides:
setPixels in class ImageFilter



setPixels

public void setPixels(int x,
int y,
int w,
int h,
ColorModel model,
int pixels[],
int off,
int scansize)


Choose which rows and columns of the delivered int pixels are
needed for the destination scaled image and pass through just
those rows and columns that are needed, replicated as necessary.


Overrides:
setPixels in class ImageFilter




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