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Chapter 22 |  |
22. java.awt.image Reference
Contents:
ColorModel
CropImageFilter
DirectColorModel
FilteredImageSource
ImageConsumer
ImageFilter
ImageObserver
ImageProducer
IndexColorModel
MemoryImageSource
PixelGrabber
ReplicateScaleFilter 
RGBImageFilter
AreaAveragingScaleFilter
Name
AreaAveragingScaleFilter
![[Graphic: Figure from the text]](./figs/areaave.gif)
Description
The AreaAveragingScaleFilter class scales an image using a simple smoothing algorithm.
Class Definition
public class java.awt.image.AreaAveragingScaleFilter
extends java.awt.image.ReplicateScaleFilter {
// Constructor
public AreaAveragingScaleFilter (int width, int height);
// Instance Methods
public void setHints (int hints);
public void setPixels (int x, int y, int w, int h, ColorModel model,
byte[] pixels, int off, int scansize);
public void setPixels (int x, int y, int w, int h, ColorModel model,
int[] pixels, int off, int scansize);
}
Constructor
AreaAveragingScaleFilter
public AreaAveragingScaleFilter (int width, int height)
- Parameters
-
- width
-
Width of scaled image.
- height
-
Height of scaled image.
- width
- Description
-
Constructs an AverageScaleFilter that scales the original image to the specified size.
Instance Methods
setHints
public void setHints (int hints)
- Parameters
-
- hints
-
Flags indicating how data will be delivered.
- hints
- Overrides
-
ImageFilter.setHints(int)
- Description
-
Gives this filter hints about how data will be delivered.
setPixels
public void setPixels (int x, int y, int w, int h, ColorModel model, byte[] pixels, int off, int scansize)
- Parameters
-
- x
-
x-coordinate of top-left corner of pixel data delivered with this method call.
- y
-
y-coordinate of top-left corner of pixel data delivered with this method call.
- w
-
Width of the rectangle of pixel data delivered with this method call.
- h
-
Height of the rectangle of pixel data delivered with this method call.
- model
-
Color model of image data.
- pixels
-
Image data.
- off
-
Offset from beginning of the pixels array.
- scansize
-
Size of each line of data in pixels array.
- x
- Overrides
-
ReplicateScaleFilter.setPixels(int, int, int, int, ColorModel, byte[], int, int)
- Description
-
Receives a rectangle of image data from the ImageProducer; scales these pixels and delivers them to any ImageConsumers.
public void setPixels (int x, int y, int w, int h, ColorModel model, int[] pixels, int off, int scansize)
- Parameters
-
- x
-
x-coordinate of top-left corner of pixel data delivered with this method call.
- y
-
y-coordinate of top-left corner of pixel data delivered with this method call.
- w
-
Width of the rectangle of pixel data delivered with this method call.
- h
-
Height of the rectangle of pixel data delivered with this method call.
- model
-
Color model of image data.
- pixels
-
Image data.
- off
-
Offset from beginning of the pixels array.
- scansize
-
Size of each line of data in pixels array.
- x
- Overrides
-
ReplicateScaleFilter.setPixels(int, int, int, int, ColorModel, int[], int, int)
- Description
-
Receives a rectangle of image data from the ImageProducer; scales these pixels and delivers them to any ImageConsumers.
See Also
ColorModel, ReplicateScaleFilter
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ColorModel |
