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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » java.awt.image 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.awt.image.ImageFilter
      java.awt.image.CropImageFilter

CropImageFilter
public class CropImageFilter extends ImageFilter (Code)
An ImageFilter class for cropping images. This class extends the basic ImageFilter Class to extract a given rectangular region of an existing Image and provide a source for a new image containing just the extracted region. It is meant to be used in conjunction with a FilteredImageSource object to produce cropped versions of existing images.
See Also:   FilteredImageSource
See Also:   ImageFilter
version:
   1.10 08/19/02
author:
   Jim Graham


Field Summary
 intcropH
    
 intcropW
    
 intcropX
    
 intcropY
    

Constructor Summary
public  CropImageFilter(int x, int y, int w, int h)
     Constructs a CropImageFilter that extracts the absolute rectangular region of pixels from its source Image as specified by the x, y, w, and h parameters.

Method Summary
public  voidsetDimensions(int w, int h)
     Override the source image's dimensions and pass the dimensions of the rectangular cropped region to the ImageConsumer.
public  voidsetPixels(int x, int y, int w, int h, ColorModel model, byte pixels, int off, int scansize)
     Determine whether the delivered byte pixels intersect the region to be extracted and passes through only that subset of pixels that appear in the output region.
public  voidsetPixels(int x, int y, int w, int h, ColorModel model, int pixels, int off, int scansize)
     Determine if the delivered int pixels intersect the region to be extracted and pass through only that subset of pixels that appear in the output region.
public  voidsetProperties(Hashtable props)
     Passes along the properties from the source object after adding a property indicating the cropped region.

Field Detail
cropH
int cropH(Code)



cropW
int cropW(Code)



cropX
int cropX(Code)



cropY
int cropY(Code)




Constructor Detail
CropImageFilter
public CropImageFilter(int x, int y, int w, int h)(Code)
Constructs a CropImageFilter that extracts the absolute rectangular region of pixels from its source Image as specified by the x, y, w, and h parameters.
Parameters:
  x - the x location of the top of the rectangle to be extracted
Parameters:
  y - the y location of the top of the rectangle to be extracted
Parameters:
  w - the width of the rectangle to be extracted
Parameters:
  h - the height of the rectangle to be extracted




Method Detail
setDimensions
public void setDimensions(int w, int h)(Code)
Override the source image's dimensions and pass the dimensions of the rectangular cropped region to the ImageConsumer.
See Also:   ImageConsumer



setPixels
public void setPixels(int x, int y, int w, int h, ColorModel model, byte pixels, int off, int scansize)(Code)
Determine whether the delivered byte pixels intersect the region to be extracted and passes through only that subset of pixels that appear in the output region.



setPixels
public void setPixels(int x, int y, int w, int h, ColorModel model, int pixels, int off, int scansize)(Code)
Determine if the delivered int pixels intersect the region to be extracted and pass through only that subset of pixels that appear in the output region.



setProperties
public void setProperties(Hashtable props)(Code)
Passes along the properties from the source object after adding a property indicating the cropped region.



Fields inherited from java.awt.image.ImageFilter
protected ImageConsumer consumer(Code)(Java Doc)

Methods inherited from java.awt.image.ImageFilter
public Object clone()(Code)(Java Doc)
public ImageFilter getFilterInstance(ImageConsumer ic)(Code)(Java Doc)
public void imageComplete(int status)(Code)(Java Doc)
public void resendTopDownLeftRight(ImageProducer ip)(Code)(Java Doc)
public void setColorModel(ColorModel model)(Code)(Java Doc)
public void setDimensions(int width, int height)(Code)(Java Doc)
public void setHints(int hints)(Code)(Java Doc)
public void setPixels(int x, int y, int w, int h, ColorModel model, byte pixels, int off, int scansize)(Code)(Java Doc)
public void setPixels(int x, int y, int w, int h, ColorModel model, int pixels, int off, int scansize)(Code)(Java Doc)
public void setProperties(Hashtable props)(Code)(Java Doc)

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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