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Class java.awt.image.ReplicateScaleFilter
java.lang.Object
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+----java.awt.image.ImageFilter
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+----java.awt.image.ReplicateScaleFilter
- public class ReplicateScaleFilter
- extends ImageFilter
- super class of:
- AreaAveragingScaleFilter
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
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destHeight
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destWidth
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outpixbuf
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srccols
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srcHeight
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srcrows
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srcWidth
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ReplicateScaleFilter(int, int)
- Constructs a ReplicateScaleFilter that scales the pixels from
its source Image as specified by the width and height parameters.
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setDimensions(int, int)
- Override the dimensions of the source image and pass the dimensions
of the new scaled size to the ImageConsumer.
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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.
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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.
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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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