java.awt.image

Class SinglePixelPackedSampleModel


public class SinglePixelPackedSampleModel
extends SampleModel

Field Summary

Fields inherited from class java.awt.image.SampleModel

dataType, height, numBands, width

Constructor Summary

SinglePixelPackedSampleModel(int dataType, int w, int h, int scanlineStride, int[] bitMasks)
SinglePixelPackedSampleModel(int dataType, int w, int h, int[] bitMasks)

Method Summary

SampleModel
createCompatibleSampleModel(int w, int h)
DataBuffer
createDataBuffer()
Creates a DataBuffer for holding pixel data in the format and layout described by this SampleModel.
SampleModel
createSubsetSampleModel(int[] bands)
int[]
getBitMasks()
int[]
getBitOffsets()
Object
getDataElements(int x, int y, int w, int h, Object obj, DataBuffer data)
This is a more efficient implementation of the default implementation in the super class.
Object
getDataElements(int x, int y, Object obj, DataBuffer data)
int
getNumDataElements()
int
getOffset(int x, int y)
int[]
getPixel(int x, int y, int[] iArray, DataBuffer data)
int[]
getPixels(int x, int y, int w, int h, int[] iArray, DataBuffer data)
int
getSample(int x, int y, int b, DataBuffer data)
int[]
getSampleSize()
int
getSampleSize(int band)
int
getScanlineStride()
void
setDataElements(int x, int y, int w, int h, Object obj, DataBuffer data)
This method implements a more efficient way to set data elements than the default implementation of the super class.
void
setDataElements(int x, int y, Object obj, DataBuffer data)
void
setPixel(int x, int y, int[] iArray, DataBuffer data)
void
setPixels(int x, int y, int w, int h, int[] iArray, DataBuffer data)
This method implements a more efficient way to set pixels than the default implementation of the super class.
void
setSample(int x, int y, int b, int s, DataBuffer data)
String
toString()
Creates a String with some information about this SampleModel.

Methods inherited from class java.awt.image.SampleModel

createCompatibleSampleModel, createDataBuffer, createSubsetSampleModel, getDataElements, getDataElements, getDataType, getHeight, getNumBands, getNumDataElements, getPixel, getPixel, getPixel, getPixels, getPixels, getPixels, getSample, getSampleDouble, getSampleFloat, getSampleSize, getSampleSize, getSamples, getSamples, getSamples, getTransferType, getWidth, setDataElements, setDataElements, setPixel, setPixel, setPixel, setPixels, setPixels, setPixels, setSample, setSample, setSample, setSamples, setSamples, setSamples

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SinglePixelPackedSampleModel

public SinglePixelPackedSampleModel(int dataType,
                                    int w,
                                    int h,
                                    int scanlineStride,
                                    int[] bitMasks)

SinglePixelPackedSampleModel

public SinglePixelPackedSampleModel(int dataType,
                                    int w,
                                    int h,
                                    int[] bitMasks)

Method Details

createCompatibleSampleModel

public SampleModel createCompatibleSampleModel(int w,
                                               int h)
Overrides:
createCompatibleSampleModel in interface SampleModel

createDataBuffer

public DataBuffer createDataBuffer()
Creates a DataBuffer for holding pixel data in the format and layout described by this SampleModel. The returned buffer will consist of one single bank.
Overrides:
createDataBuffer in interface SampleModel

createSubsetSampleModel

public SampleModel createSubsetSampleModel(int[] bands)
Overrides:
createSubsetSampleModel in interface SampleModel

getBitMasks

public int[] getBitMasks()

getBitOffsets

public int[] getBitOffsets()

getDataElements

public Object getDataElements(int x,
                              int y,
                              int w,
                              int h,
                              Object obj,
                              DataBuffer data)
This is a more efficient implementation of the default implementation in the super class.
Overrides:
getDataElements in interface SampleModel
Parameters:
x - The x-coordinate of the pixel rectangle to store in obj.
y - The y-coordinate of the pixel rectangle to store in obj.
w - The width of the pixel rectangle to store in obj.
h - The height of the pixel rectangle to store in obj.
obj - The primitive array to store the pixels into or null to force creation.
data - The DataBuffer that is the source of the pixel data.
Returns:
The primitive array containing the pixel data.

getDataElements

public Object getDataElements(int x,
                              int y,
                              Object obj,
                              DataBuffer data)
Overrides:
getDataElements in interface SampleModel

getNumDataElements

public int getNumDataElements()
Overrides:
getNumDataElements in interface SampleModel

getOffset

public int getOffset(int x,
                     int y)

getPixel

public int[] getPixel(int x,
                      int y,
                      int[] iArray,
                      DataBuffer data)
Overrides:
getPixel in interface SampleModel

getPixels

public int[] getPixels(int x,
                       int y,
                       int w,
                       int h,
                       int[] iArray,
                       DataBuffer data)
Overrides:
getPixels in interface SampleModel

getSample

public int getSample(int x,
                     int y,
                     int b,
                     DataBuffer data)
Overrides:
getSample in interface SampleModel

getSampleSize

public int[] getSampleSize()
Overrides:
getSampleSize in interface SampleModel

getSampleSize

public int getSampleSize(int band)
Overrides:
getSampleSize in interface SampleModel

getScanlineStride

public int getScanlineStride()

setDataElements

public void setDataElements(int x,
                            int y,
                            int w,
                            int h,
                            Object obj,
                            DataBuffer data)
This method implements a more efficient way to set data elements than the default implementation of the super class. It sets the data elements line by line instead of pixel by pixel.
Overrides:
setDataElements in interface SampleModel
Parameters:
x - The x-coordinate of the data elements in obj.
y - The y-coordinate of the data elements in obj.
w - The width of the data elements in obj.
h - The height of the data elements in obj.
obj - The primitive array containing the data elements to set.
data - The DataBuffer to store the data elements into.

setDataElements

public void setDataElements(int x,
                            int y,
                            Object obj,
                            DataBuffer data)
Overrides:
setDataElements in interface SampleModel

setPixel

public void setPixel(int x,
                     int y,
                     int[] iArray,
                     DataBuffer data)
Overrides:
setPixel in interface SampleModel

setPixels

public void setPixels(int x,
                      int y,
                      int w,
                      int h,
                      int[] iArray,
                      DataBuffer data)
This method implements a more efficient way to set pixels than the default implementation of the super class. It copies the pixel components directly from the input array instead of creating a intermediate buffer.
Overrides:
setPixels in interface SampleModel
Parameters:
x - The x-coordinate of the pixel rectangle in obj.
y - The y-coordinate of the pixel rectangle in obj.
w - The width of the pixel rectangle in obj.
h - The height of the pixel rectangle in obj.
iArray - The primitive array containing the pixels to set.
data - The DataBuffer to store the pixels into.

setSample

public void setSample(int x,
                      int y,
                      int b,
                      int s,
                      DataBuffer data)
Overrides:
setSample in interface SampleModel

toString

public String toString()
Creates a String with some information about this SampleModel.
Overrides:
toString in interface Object
Returns:
A String describing this SampleModel.

Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.