com.sun.pdfview
Class PdfSubByteSampleModel
java.lang.Object
java.awt.image.SampleModel
com.sun.pdfview.PdfSubByteSampleModel
public class PdfSubByteSampleModel
- extends java.awt.image.SampleModel
Provides a read-only sample-model where components are less than a byte in
width while allowing for pixels to cross byte-boundaries. For example, this
allows 2 pixels made of 3 4-bit-bands (p[pixel,band])
to be stored in 3 bytes as p[0,1] p[0,2] | p[0,3] p[1,0] | p[1,1] p[1,2].
MultiPixelPackedSampleModel
, which allows for sub-byte
components, does not allow for such byte spanning, while the PDF
specification does permit it -- hence the existence of this class.
Fields inherited from class java.awt.image.SampleModel |
dataType, height, numBands, width |
Method Summary |
java.awt.image.SampleModel |
createCompatibleSampleModel(int w,
int h)
|
java.awt.image.DataBuffer |
createDataBuffer()
|
java.awt.image.SampleModel |
createSubsetSampleModel(int[] bands)
|
java.lang.Object |
getDataElements(int x,
int y,
java.lang.Object obj,
java.awt.image.DataBuffer data)
|
int |
getNumDataElements()
|
int |
getSample(int x,
int y,
int b,
java.awt.image.DataBuffer data)
|
int[] |
getSampleSize()
|
int |
getSampleSize(int band)
|
void |
setDataElements(int x,
int y,
java.lang.Object obj,
java.awt.image.DataBuffer data)
|
void |
setSample(int x,
int y,
int b,
int s,
java.awt.image.DataBuffer data)
|
Methods inherited from class java.awt.image.SampleModel |
getDataElements, getDataType, getHeight, getNumBands, getPixel, getPixel, getPixel, getPixels, getPixels, getPixels, getSampleDouble, getSampleFloat, getSamples, getSamples, getSamples, getTransferType, getWidth, setDataElements, setPixel, setPixel, setPixel, setPixels, setPixels, setPixels, setSample, setSample, setSamples, setSamples, setSamples |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
PdfSubByteSampleModel
public PdfSubByteSampleModel(int w,
int h,
int numComponents,
int bitsPerComponent)
getNumDataElements
public int getNumDataElements()
- Specified by:
getNumDataElements
in class java.awt.image.SampleModel
getDataElements
public java.lang.Object getDataElements(int x,
int y,
java.lang.Object obj,
java.awt.image.DataBuffer data)
- Specified by:
getDataElements
in class java.awt.image.SampleModel
setDataElements
public void setDataElements(int x,
int y,
java.lang.Object obj,
java.awt.image.DataBuffer data)
- Specified by:
setDataElements
in class java.awt.image.SampleModel
getSample
public int getSample(int x,
int y,
int b,
java.awt.image.DataBuffer data)
- Specified by:
getSample
in class java.awt.image.SampleModel
setSample
public void setSample(int x,
int y,
int b,
int s,
java.awt.image.DataBuffer data)
- Specified by:
setSample
in class java.awt.image.SampleModel
createCompatibleSampleModel
public java.awt.image.SampleModel createCompatibleSampleModel(int w,
int h)
- Specified by:
createCompatibleSampleModel
in class java.awt.image.SampleModel
createSubsetSampleModel
public java.awt.image.SampleModel createSubsetSampleModel(int[] bands)
- Specified by:
createSubsetSampleModel
in class java.awt.image.SampleModel
createDataBuffer
public java.awt.image.DataBuffer createDataBuffer()
- Specified by:
createDataBuffer
in class java.awt.image.SampleModel
getSampleSize
public int[] getSampleSize()
- Specified by:
getSampleSize
in class java.awt.image.SampleModel
getSampleSize
public int getSampleSize(int band)
- Specified by:
getSampleSize
in class java.awt.image.SampleModel