/* |
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* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* **************************************************************** |
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****************************************************************** |
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****************************************************************** |
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*** COPYRIGHT (c) Eastman Kodak Company, 1997 |
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*** As an unpublished work pursuant to Title 17 of the United |
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*** States Code. All rights reserved. |
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****************************************************************** |
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****************************************************************** |
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******************************************************************/ |
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package java.awt.image; |
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/** |
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* This abstract class defines an interface for extracting samples of pixels |
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* in an image. All image data is expressed as a collection of pixels. |
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* Each pixel consists of a number of samples. A sample is a datum |
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* for one band of an image and a band consists of all samples of a |
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* particular type in an image. For example, a pixel might contain |
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* three samples representing its red, green and blue components. |
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* There are three bands in the image containing this pixel. One band |
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* consists of all the red samples from all pixels in the |
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* image. The second band consists of all the green samples and |
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* the remaining band consists of all of the blue samples. The pixel |
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* can be stored in various formats. For example, all samples from |
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* a particular band can be stored contiguously or all samples from a |
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* single pixel can be stored contiguously. |
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* <p> |
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* Subclasses of SampleModel specify the types of samples they can |
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* represent (e.g. unsigned 8-bit byte, signed 16-bit short, etc.) |
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* and may specify how the samples are organized in memory. |
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* In the Java 2D(tm) API, built-in image processing operators may |
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* not operate on all possible sample types, but generally will work |
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* for unsigned integral samples of 16 bits or less. Some operators |
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* support a wider variety of sample types. |
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* <p> |
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* A collection of pixels is represented as a Raster, which consists of |
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* a DataBuffer and a SampleModel. The SampleModel allows access to |
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* samples in the DataBuffer and may provide low-level information that |
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* a programmer can use to directly manipulate samples and pixels in the |
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* DataBuffer. |
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* <p> |
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* This class is generally a fall back method for dealing with |
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* images. More efficient code will cast the SampleModel to the |
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* appropriate subclass and extract the information needed to directly |
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* manipulate pixels in the DataBuffer. |
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* |
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* @see java.awt.image.DataBuffer |
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* @see java.awt.image.Raster |
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* @see java.awt.image.ComponentSampleModel |
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* @see java.awt.image.PixelInterleavedSampleModel |
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* @see java.awt.image.BandedSampleModel |
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* @see java.awt.image.MultiPixelPackedSampleModel |
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* @see java.awt.image.SinglePixelPackedSampleModel |
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*/ |
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public abstract class SampleModel |
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{ |
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/** Width in pixels of the region of image data that this SampleModel |
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* describes. |
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*/ |
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protected int width; |
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/** Height in pixels of the region of image data that this SampleModel |
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* describes. |
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*/ |
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protected int height; |
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/** Number of bands of the image data that this SampleModel describes. */ |
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protected int numBands; |
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/** Data type of the DataBuffer storing the pixel data. |
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* @see java.awt.image.DataBuffer |
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*/ |
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protected int dataType; |
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static private native void initIDs(); |
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static { |
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ColorModel.loadLibraries(); |
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initIDs(); |
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} |
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/** |
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* Constructs a SampleModel with the specified parameters. |
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* @param dataType The data type of the DataBuffer storing the pixel data. |
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* @param w The width (in pixels) of the region of image data. |
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* @param h The height (in pixels) of the region of image data. |
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* @param numBands The number of bands of the image data. |
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* @throws IllegalArgumentException if <code>w</code> or <code>h</code> |
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* is not greater than 0 |
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* @throws IllegalArgumentException if the product of <code>w</code> |
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* and <code>h</code> is greater than |
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* <code>Integer.MAX_VALUE</code> |
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* @throws IllegalArgumentException if <code>dataType</code> is not |
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* one of the supported data types |
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*/ |
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public SampleModel(int dataType, int w, int h, int numBands) |
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{ |
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long size = (long)w * h; |
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if (w <= 0 || h <= 0) { |
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throw new IllegalArgumentException("Width ("+w+") and height ("+ |
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h+") must be > 0"); |
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} |
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if (size >= Integer.MAX_VALUE) { |
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throw new IllegalArgumentException("Dimensions (width="+w+ |
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" height="+h+") are too large"); |
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} |
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if (dataType < DataBuffer.TYPE_BYTE || |
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(dataType > DataBuffer.TYPE_DOUBLE && |
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dataType != DataBuffer.TYPE_UNDEFINED)) |
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{ |
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throw new IllegalArgumentException("Unsupported dataType: "+ |
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dataType); |
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} |
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if (numBands <= 0) { |
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throw new IllegalArgumentException("Number of bands must be > 0"); |
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} |
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this.dataType = dataType; |
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this.width = w; |
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this.height = h; |
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this.numBands = numBands; |
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} |
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/** Returns the width in pixels. |
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* @return the width in pixels of the region of image data |
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* that this <code>SampleModel</code> describes. |
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*/ |
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final public int getWidth() { |
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return width; |
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} |
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/** Returns the height in pixels. |
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* @return the height in pixels of the region of image data |
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* that this <code>SampleModel</code> describes. |
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*/ |
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final public int getHeight() { |
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return height; |
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} |
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/** Returns the total number of bands of image data. |
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* @return the number of bands of image data that this |
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* <code>SampleModel</code> describes. |
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*/ |
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final public int getNumBands() { |
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return numBands; |
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} |
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/** Returns the number of data elements needed to transfer a pixel |
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* via the getDataElements and setDataElements methods. When pixels |
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* are transferred via these methods, they may be transferred in a |
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* packed or unpacked format, depending on the implementation of the |
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* SampleModel. Using these methods, pixels are transferred as an |
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* array of getNumDataElements() elements of a primitive type given |
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* by getTransferType(). The TransferType may or may not be the same |
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* as the storage DataType. |
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* @return the number of data elements. |
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* @see #getDataElements(int, int, Object, DataBuffer) |
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* @see #getDataElements(int, int, int, int, Object, DataBuffer) |
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* @see #setDataElements(int, int, Object, DataBuffer) |
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* @see #setDataElements(int, int, int, int, Object, DataBuffer) |
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* @see #getTransferType |
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*/ |
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public abstract int getNumDataElements(); |
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/** Returns the data type of the DataBuffer storing the pixel data. |
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* @return the data type. |
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*/ |
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final public int getDataType() { |
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return dataType; |
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} |
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/** Returns the TransferType used to transfer pixels via the |
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* getDataElements and setDataElements methods. When pixels |
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* are transferred via these methods, they may be transferred in a |
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* packed or unpacked format, depending on the implementation of the |
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* SampleModel. Using these methods, pixels are transferred as an |
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* array of getNumDataElements() elements of a primitive type given |
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* by getTransferType(). The TransferType may or may not be the same |
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* as the storage DataType. The TransferType will be one of the types |
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* defined in DataBuffer. |
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* @return the transfer type. |
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* @see #getDataElements(int, int, Object, DataBuffer) |
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* @see #getDataElements(int, int, int, int, Object, DataBuffer) |
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* @see #setDataElements(int, int, Object, DataBuffer) |
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* @see #setDataElements(int, int, int, int, Object, DataBuffer) |
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* @see #getNumDataElements |
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* @see java.awt.image.DataBuffer |
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*/ |
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public int getTransferType() { |
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return dataType; |
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} |
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/** |
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* Returns the samples for a specified pixel in an int array, |
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* one sample per array element. |
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* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
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* not in bounds. |
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* @param x The X coordinate of the pixel location |
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* @param y The Y coordinate of the pixel location |
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* @param iArray If non-null, returns the samples in this array |
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* @param data The DataBuffer containing the image data |
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* @return the samples for the specified pixel. |
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* @see #setPixel(int, int, int[], DataBuffer) |
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* |
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* @throws NullPointerException if data is null. |
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* @throws ArrayIndexOutOfBoundsException if the coordinates are |
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* not in bounds, or if iArray is too small to hold the output. |
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*/ |
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public int[] getPixel(int x, int y, int iArray[], DataBuffer data) { |
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int pixels[]; |
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if (iArray != null) |
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pixels = iArray; |
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else |
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pixels = new int[numBands]; |
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for (int i=0; i<numBands; i++) { |
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pixels[i] = getSample(x, y, i, data); |
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} |
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return pixels; |
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} |
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/** |
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* Returns data for a single pixel in a primitive array of type |
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* TransferType. For image data supported by the Java 2D API, this |
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* will be one of DataBuffer.TYPE_BYTE, DataBuffer.TYPE_USHORT, |
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* DataBuffer.TYPE_INT, DataBuffer.TYPE_SHORT, DataBuffer.TYPE_FLOAT, |
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* or DataBuffer.TYPE_DOUBLE. Data may be returned in a packed format, |
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* thus increasing efficiency for data transfers. Generally, obj |
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* should be passed in as null, so that the Object will be created |
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* automatically and will be of the right primitive data type. |
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* <p> |
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* The following code illustrates transferring data for one pixel from |
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* DataBuffer <code>db1</code>, whose storage layout is described by |
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* SampleModel <code>sm1</code>, to DataBuffer <code>db2</code>, whose |
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* storage layout is described by SampleModel <code>sm2</code>. |
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* The transfer will generally be more efficient than using |
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* getPixel/setPixel. |
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* <pre> |
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* SampleModel sm1, sm2; |
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* DataBuffer db1, db2; |
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* sm2.setDataElements(x, y, sm1.getDataElements(x, y, null, db1), db2); |
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* </pre> |
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* Using getDataElements/setDataElements to transfer between two |
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* DataBuffer/SampleModel pairs is legitimate if the SampleModels have |
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* the same number of bands, corresponding bands have the same number of |
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* bits per sample, and the TransferTypes are the same. |
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* <p> |
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* If obj is non-null, it should be a primitive array of type TransferType. |
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* Otherwise, a ClassCastException is thrown. An |
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* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
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* not in bounds, or if obj is non-null and is not large enough to hold |
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* the pixel data. |
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* @param x The X coordinate of the pixel location. |
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* @param y The Y coordinate of the pixel location. |
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* @param obj If non-null, a primitive array in which to return |
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* the pixel data. |
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* @param data The DataBuffer containing the image data. |
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* @return the data elements for the specified pixel. |
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* @see #getNumDataElements |
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* @see #getTransferType |
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* @see java.awt.image.DataBuffer |
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* @see #setDataElements(int, int, Object, DataBuffer) |
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* |
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* @throws NullPointerException if data is null. |
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* @throws ArrayIndexOutOfBoundsException if the coordinates are |
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* not in bounds, or if obj is too small to hold the output. |
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*/ |
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public abstract Object getDataElements(int x, int y, |
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Object obj, DataBuffer data); |
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/** |
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* Returns the pixel data for the specified rectangle of pixels in a |
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* primitive array of type TransferType. |
|
* For image data supported by the Java 2D API, this |
|
* will be one of DataBuffer.TYPE_BYTE, DataBuffer.TYPE_USHORT, |
|
* DataBuffer.TYPE_INT, DataBuffer.TYPE_SHORT, DataBuffer.TYPE_FLOAT, |
|
* or DataBuffer.TYPE_DOUBLE. Data may be returned in a packed format, |
|
* thus increasing efficiency for data transfers. Generally, obj |
|
* should be passed in as null, so that the Object will be created |
|
* automatically and will be of the right primitive data type. |
|
* <p> |
|
* The following code illustrates transferring data for a rectangular |
|
* region of pixels from |
|
* DataBuffer <code>db1</code>, whose storage layout is described by |
|
* SampleModel <code>sm1</code>, to DataBuffer <code>db2</code>, whose |
|
* storage layout is described by SampleModel <code>sm2</code>. |
|
* The transfer will generally be more efficient than using |
|
* getPixels/setPixels. |
|
* <pre> |
|
* SampleModel sm1, sm2; |
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* DataBuffer db1, db2; |
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* sm2.setDataElements(x, y, w, h, sm1.getDataElements(x, y, w, |
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* h, null, db1), db2); |
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* </pre> |
|
* Using getDataElements/setDataElements to transfer between two |
|
* DataBuffer/SampleModel pairs is legitimate if the SampleModels have |
|
* the same number of bands, corresponding bands have the same number of |
|
* bits per sample, and the TransferTypes are the same. |
|
* <p> |
|
* If obj is non-null, it should be a primitive array of type TransferType. |
|
* Otherwise, a ClassCastException is thrown. An |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds, or if obj is non-null and is not large enough to hold |
|
* the pixel data. |
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* @param x The minimum X coordinate of the pixel rectangle. |
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* @param y The minimum Y coordinate of the pixel rectangle. |
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* @param w The width of the pixel rectangle. |
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* @param h The height of the pixel rectangle. |
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* @param obj If non-null, a primitive array in which to return |
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* the pixel data. |
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* @param data The DataBuffer containing the image data. |
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* @return the data elements for the specified region of pixels. |
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* @see #getNumDataElements |
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* @see #getTransferType |
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* @see #setDataElements(int, int, int, int, Object, DataBuffer) |
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* @see java.awt.image.DataBuffer |
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* |
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* @throws NullPointerException if data is null. |
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* @throws ArrayIndexOutOfBoundsException if the coordinates are |
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* not in bounds, or if obj is too small to hold the output. |
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*/ |
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public Object getDataElements(int x, int y, int w, int h, |
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Object obj, DataBuffer data) { |
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int type = getTransferType(); |
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int numDataElems = getNumDataElements(); |
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int cnt = 0; |
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Object o = null; |
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int x1 = x + w; |
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int y1 = y + h; |
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if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
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y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
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{ |
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throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
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} |
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switch(type) { |
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case DataBuffer.TYPE_BYTE: |
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byte[] btemp; |
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byte[] bdata; |
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if (obj == null) |
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bdata = new byte[numDataElems*w*h]; |
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else |
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bdata = (byte[])obj; |
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for (int i=y; i<y1; i++) { |
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for (int j=x; j<x1; j++) { |
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o = getDataElements(j, i, o, data); |
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btemp = (byte[])o; |
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for (int k=0; k<numDataElems; k++) { |
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bdata[cnt++] = btemp[k]; |
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} |
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} |
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} |
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obj = (Object)bdata; |
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break; |
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case DataBuffer.TYPE_USHORT: |
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case DataBuffer.TYPE_SHORT: |
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short[] sdata; |
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short[] stemp; |
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if (obj == null) |
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sdata = new short[numDataElems*w*h]; |
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else |
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sdata = (short[])obj; |
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for (int i=y; i<y1; i++) { |
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for (int j=x; j<x1; j++) { |
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o = getDataElements(j, i, o, data); |
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stemp = (short[])o; |
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for (int k=0; k<numDataElems; k++) { |
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sdata[cnt++] = stemp[k]; |
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} |
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} |
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} |
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obj = (Object)sdata; |
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break; |
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case DataBuffer.TYPE_INT: |
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int[] idata; |
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int[] itemp; |
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if (obj == null) |
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idata = new int[numDataElems*w*h]; |
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else |
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idata = (int[])obj; |
|
for (int i=y; i<y1; i++) { |
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for (int j=x; j<x1; j++) { |
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o = getDataElements(j, i, o, data); |
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itemp = (int[])o; |
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for (int k=0; k<numDataElems; k++) { |
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idata[cnt++] = itemp[k]; |
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} |
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} |
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} |
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obj = (Object)idata; |
|
break; |
|
case DataBuffer.TYPE_FLOAT: |
|
float[] fdata; |
|
float[] ftemp; |
|
if (obj == null) |
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fdata = new float[numDataElems*w*h]; |
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else |
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fdata = (float[])obj; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
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o = getDataElements(j, i, o, data); |
|
ftemp = (float[])o; |
|
for (int k=0; k<numDataElems; k++) { |
|
fdata[cnt++] = ftemp[k]; |
|
} |
|
} |
|
} |
|
obj = (Object)fdata; |
|
break; |
|
case DataBuffer.TYPE_DOUBLE: |
|
double[] ddata; |
|
double[] dtemp; |
|
if (obj == null) |
|
ddata = new double[numDataElems*w*h]; |
|
else |
|
ddata = (double[])obj; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
o = getDataElements(j, i, o, data); |
|
dtemp = (double[])o; |
|
for (int k=0; k<numDataElems; k++) { |
|
ddata[cnt++] = dtemp[k]; |
|
} |
|
} |
|
} |
|
obj = (Object)ddata; |
|
break; |
|
} |
|
return obj; |
|
} |
|
/** |
|
* Sets the data for a single pixel in the specified DataBuffer from a |
|
* primitive array of type TransferType. For image data supported by |
|
* the Java 2D API, this will be one of DataBuffer.TYPE_BYTE, |
|
* DataBuffer.TYPE_USHORT, DataBuffer.TYPE_INT, DataBuffer.TYPE_SHORT, |
|
* DataBuffer.TYPE_FLOAT, or DataBuffer.TYPE_DOUBLE. Data in the array |
|
* may be in a packed format, thus increasing efficiency for data |
|
* transfers. |
|
* <p> |
|
* The following code illustrates transferring data for one pixel from |
|
* DataBuffer <code>db1</code>, whose storage layout is described by |
|
* SampleModel <code>sm1</code>, to DataBuffer <code>db2</code>, whose |
|
* storage layout is described by SampleModel <code>sm2</code>. |
|
* The transfer will generally be more efficient than using |
|
* getPixel/setPixel. |
|
* <pre> |
|
* SampleModel sm1, sm2; |
|
* DataBuffer db1, db2; |
|
* sm2.setDataElements(x, y, sm1.getDataElements(x, y, null, db1), |
|
* db2); |
|
* </pre> |
|
* Using getDataElements/setDataElements to transfer between two |
|
* DataBuffer/SampleModel pairs is legitimate if the SampleModels have |
|
* the same number of bands, corresponding bands have the same number of |
|
* bits per sample, and the TransferTypes are the same. |
|
* <p> |
|
* obj must be a primitive array of type TransferType. Otherwise, |
|
* a ClassCastException is thrown. An |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds, or if obj is not large enough to hold the pixel data. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param obj A primitive array containing pixel data. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getNumDataElements |
|
* @see #getTransferType |
|
* @see #getDataElements(int, int, Object, DataBuffer) |
|
* @see java.awt.image.DataBuffer |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if obj is too small to hold the input. |
|
*/ |
|
public abstract void setDataElements(int x, int y, |
|
Object obj, DataBuffer data); |
|
/** |
|
* Sets the data for a rectangle of pixels in the specified DataBuffer |
|
* from a primitive array of type TransferType. For image data supported |
|
* by the Java 2D API, this will be one of DataBuffer.TYPE_BYTE, |
|
* DataBuffer.TYPE_USHORT, DataBuffer.TYPE_INT, DataBuffer.TYPE_SHORT, |
|
* DataBuffer.TYPE_FLOAT, or DataBuffer.TYPE_DOUBLE. Data in the array |
|
* may be in a packed format, thus increasing efficiency for data |
|
* transfers. |
|
* <p> |
|
* The following code illustrates transferring data for a rectangular |
|
* region of pixels from |
|
* DataBuffer <code>db1</code>, whose storage layout is described by |
|
* SampleModel <code>sm1</code>, to DataBuffer <code>db2</code>, whose |
|
* storage layout is described by SampleModel <code>sm2</code>. |
|
* The transfer will generally be more efficient than using |
|
* getPixels/setPixels. |
|
* <pre> |
|
* SampleModel sm1, sm2; |
|
* DataBuffer db1, db2; |
|
* sm2.setDataElements(x, y, w, h, sm1.getDataElements(x, y, w, h, |
|
* null, db1), db2); |
|
* </pre> |
|
* Using getDataElements/setDataElements to transfer between two |
|
* DataBuffer/SampleModel pairs is legitimate if the SampleModels have |
|
* the same number of bands, corresponding bands have the same number of |
|
* bits per sample, and the TransferTypes are the same. |
|
* <p> |
|
* obj must be a primitive array of type TransferType. Otherwise, |
|
* a ClassCastException is thrown. An |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds, or if obj is not large enough to hold the pixel data. |
|
* @param x The minimum X coordinate of the pixel rectangle. |
|
* @param y The minimum Y coordinate of the pixel rectangle. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param obj A primitive array containing pixel data. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getNumDataElements |
|
* @see #getTransferType |
|
* @see #getDataElements(int, int, int, int, Object, DataBuffer) |
|
* @see java.awt.image.DataBuffer |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if obj is too small to hold the input. |
|
*/ |
|
public void setDataElements(int x, int y, int w, int h, |
|
Object obj, DataBuffer data) { |
|
int cnt = 0; |
|
Object o = null; |
|
int type = getTransferType(); |
|
int numDataElems = getNumDataElements(); |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
switch(type) { |
|
case DataBuffer.TYPE_BYTE: |
|
byte[] barray = (byte[])obj; |
|
byte[] btemp = new byte[numDataElems]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numDataElems; k++) { |
|
btemp[k] = barray[cnt++]; |
|
} |
|
setDataElements(j, i, btemp, data); |
|
} |
|
} |
|
break; |
|
case DataBuffer.TYPE_USHORT: |
|
case DataBuffer.TYPE_SHORT: |
|
short[] sarray = (short[])obj; |
|
short[] stemp = new short[numDataElems]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numDataElems; k++) { |
|
stemp[k] = sarray[cnt++]; |
|
} |
|
setDataElements(j, i, stemp, data); |
|
} |
|
} |
|
break; |
|
case DataBuffer.TYPE_INT: |
|
int[] iArray = (int[])obj; |
|
int[] itemp = new int[numDataElems]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numDataElems; k++) { |
|
itemp[k] = iArray[cnt++]; |
|
} |
|
setDataElements(j, i, itemp, data); |
|
} |
|
} |
|
break; |
|
case DataBuffer.TYPE_FLOAT: |
|
float[] fArray = (float[])obj; |
|
float[] ftemp = new float[numDataElems]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numDataElems; k++) { |
|
ftemp[k] = fArray[cnt++]; |
|
} |
|
setDataElements(j, i, ftemp, data); |
|
} |
|
} |
|
break; |
|
case DataBuffer.TYPE_DOUBLE: |
|
double[] dArray = (double[])obj; |
|
double[] dtemp = new double[numDataElems]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numDataElems; k++) { |
|
dtemp[k] = dArray[cnt++]; |
|
} |
|
setDataElements(j, i, dtemp, data); |
|
} |
|
} |
|
break; |
|
} |
|
} |
|
/** |
|
* Returns the samples for the specified pixel in an array of float. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param fArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified pixel. |
|
* @see #setPixel(int, int, float[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if fArray is too small to hold the output. |
|
*/ |
|
public float[] getPixel(int x, int y, float fArray[], |
|
DataBuffer data) { |
|
float pixels[]; |
|
if (fArray != null) |
|
pixels = fArray; |
|
else |
|
pixels = new float[numBands]; |
|
for (int i=0; i<numBands; i++) |
|
pixels[i] = getSampleFloat(x, y, i, data); |
|
return pixels; |
|
} |
|
/** |
|
* Returns the samples for the specified pixel in an array of double. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param dArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified pixel. |
|
* @see #setPixel(int, int, double[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if dArray is too small to hold the output. |
|
*/ |
|
public double[] getPixel(int x, int y, double dArray[], |
|
DataBuffer data) { |
|
double pixels[]; |
|
if(dArray != null) |
|
pixels = dArray; |
|
else |
|
pixels = new double[numBands]; |
|
for (int i=0; i<numBands; i++) |
|
pixels[i] = getSampleDouble(x, y, i, data); |
|
return pixels; |
|
} |
|
/** |
|
* Returns all samples for a rectangle of pixels in an |
|
* int array, one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param iArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified region of pixels. |
|
* @see #setPixels(int, int, int, int, int[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if iArray is too small to hold the output. |
|
*/ |
|
public int[] getPixels(int x, int y, int w, int h, |
|
int iArray[], DataBuffer data) { |
|
int pixels[]; |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
if (iArray != null) |
|
pixels = iArray; |
|
else |
|
pixels = new int[numBands * w * h]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for(int k=0; k<numBands; k++) { |
|
pixels[Offset++] = getSample(j, i, k, data); |
|
} |
|
} |
|
} |
|
return pixels; |
|
} |
|
/** |
|
* Returns all samples for a rectangle of pixels in a float |
|
* array, one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param fArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified region of pixels. |
|
* @see #setPixels(int, int, int, int, float[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if fArray is too small to hold the output. |
|
*/ |
|
public float[] getPixels(int x, int y, int w, int h, |
|
float fArray[], DataBuffer data) { |
|
float pixels[]; |
|
int Offset = 0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
if (fArray != null) |
|
pixels = fArray; |
|
else |
|
pixels = new float[numBands * w * h]; |
|
for (int i=y; i<y1; i++) { |
|
for(int j=x; j<x1; j++) { |
|
for(int k=0; k<numBands; k++) { |
|
pixels[Offset++] = getSampleFloat(j, i, k, data); |
|
} |
|
} |
|
} |
|
return pixels; |
|
} |
|
/** |
|
* Returns all samples for a rectangle of pixels in a double |
|
* array, one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param dArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified region of pixels. |
|
* @see #setPixels(int, int, int, int, double[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if dArray is too small to hold the output. |
|
*/ |
|
public double[] getPixels(int x, int y, int w, int h, |
|
double dArray[], DataBuffer data) { |
|
double pixels[]; |
|
int Offset = 0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
if (dArray != null) |
|
pixels = dArray; |
|
else |
|
pixels = new double[numBands * w * h]; |
|
// Fix 4217412 |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numBands; k++) { |
|
pixels[Offset++] = getSampleDouble(j, i, k, data); |
|
} |
|
} |
|
} |
|
return pixels; |
|
} |
|
/** |
|
* Returns the sample in a specified band for the pixel located |
|
* at (x,y) as an int. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param b The band to return. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the sample in a specified band for the specified pixel. |
|
* @see #setSample(int, int, int, int, DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds. |
|
*/ |
|
public abstract int getSample(int x, int y, int b, DataBuffer data); |
|
/** |
|
* Returns the sample in a specified band |
|
* for the pixel located at (x,y) as a float. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param b The band to return. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the sample in a specified band for the specified pixel. |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds. |
|
*/ |
|
public float getSampleFloat(int x, int y, int b, DataBuffer data) { |
|
float sample; |
|
sample = (float) getSample(x, y, b, data); |
|
return sample; |
|
} |
|
/** |
|
* Returns the sample in a specified band |
|
* for a pixel located at (x,y) as a double. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param b The band to return. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the sample in a specified band for the specified pixel. |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds. |
|
*/ |
|
public double getSampleDouble(int x, int y, int b, DataBuffer data) { |
|
double sample; |
|
sample = (double) getSample(x, y, b, data); |
|
return sample; |
|
} |
|
/** |
|
* Returns the samples for a specified band for the specified rectangle |
|
* of pixels in an int array, one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param b The band to return. |
|
* @param iArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified band for the specified region |
|
* of pixels. |
|
* @see #setSamples(int, int, int, int, int, int[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds, or if iArray is too small to |
|
* hold the output. |
|
*/ |
|
public int[] getSamples(int x, int y, int w, int h, int b, |
|
int iArray[], DataBuffer data) { |
|
int pixels[]; |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x1 < x || x1 > width || |
|
y < 0 || y1 < y || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
if (iArray != null) |
|
pixels = iArray; |
|
else |
|
pixels = new int[w * h]; |
|
for(int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
pixels[Offset++] = getSample(j, i, b, data); |
|
} |
|
} |
|
return pixels; |
|
} |
|
/** |
|
* Returns the samples for a specified band for the specified rectangle |
|
* of pixels in a float array, one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param b The band to return. |
|
* @param fArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified band for the specified region |
|
* of pixels. |
|
* @see #setSamples(int, int, int, int, int, float[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds, or if fArray is too small to |
|
* hold the output. |
|
*/ |
|
public float[] getSamples(int x, int y, int w, int h, |
|
int b, float fArray[], |
|
DataBuffer data) { |
|
float pixels[]; |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x1 < x || x1 > width || |
|
y < 0 || y1 < y || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates"); |
|
} |
|
if (fArray != null) |
|
pixels = fArray; |
|
else |
|
pixels = new float[w * h]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
pixels[Offset++] = getSampleFloat(j, i, b, data); |
|
} |
|
} |
|
return pixels; |
|
} |
|
/** |
|
* Returns the samples for a specified band for a specified rectangle |
|
* of pixels in a double array, one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param b The band to return. |
|
* @param dArray If non-null, returns the samples in this array. |
|
* @param data The DataBuffer containing the image data. |
|
* @return the samples for the specified band for the specified region |
|
* of pixels. |
|
* @see #setSamples(int, int, int, int, int, double[], DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds, or if dArray is too small to |
|
* hold the output. |
|
*/ |
|
public double[] getSamples(int x, int y, int w, int h, |
|
int b, double dArray[], |
|
DataBuffer data) { |
|
double pixels[]; |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x1 < x || x1 > width || |
|
y < 0 || y1 < y || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates"); |
|
} |
|
if (dArray != null) |
|
pixels = dArray; |
|
else |
|
pixels = new double[w * h]; |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
pixels[Offset++] = getSampleDouble(j, i, b, data); |
|
} |
|
} |
|
return pixels; |
|
} |
|
/** |
|
* Sets a pixel in the DataBuffer using an int array of samples for input. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param iArray The input samples in an int array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getPixel(int, int, int[], DataBuffer) |
|
* |
|
* @throws NullPointerException if iArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if iArray is too small to hold the input. |
|
*/ |
|
public void setPixel(int x, int y, int iArray[], DataBuffer data) { |
|
for (int i=0; i<numBands; i++) |
|
setSample(x, y, i, iArray[i], data); |
|
} |
|
/** |
|
* Sets a pixel in the DataBuffer using a float array of samples for input. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param fArray The input samples in a float array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getPixel(int, int, float[], DataBuffer) |
|
* |
|
* @throws NullPointerException if fArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if fArray is too small to hold the input. |
|
*/ |
|
public void setPixel(int x, int y, float fArray[], DataBuffer data) { |
|
for (int i=0; i<numBands; i++) |
|
setSample(x, y, i, fArray[i], data); |
|
} |
|
/** |
|
* Sets a pixel in the DataBuffer using a double array of samples |
|
* for input. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param dArray The input samples in a double array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getPixel(int, int, double[], DataBuffer) |
|
* |
|
* @throws NullPointerException if dArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if fArray is too small to hold the input. |
|
*/ |
|
public void setPixel(int x, int y, double dArray[], DataBuffer data) { |
|
for (int i=0; i<numBands; i++) |
|
setSample(x, y, i, dArray[i], data); |
|
} |
|
/** |
|
* Sets all samples for a rectangle of pixels from an int array containing |
|
* one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param iArray The input samples in an int array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getPixels(int, int, int, int, int[], DataBuffer) |
|
* |
|
* @throws NullPointerException if iArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if iArray is too small to hold the input. |
|
*/ |
|
public void setPixels(int x, int y, int w, int h, |
|
int iArray[], DataBuffer data) { |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numBands; k++) { |
|
setSample(j, i, k, iArray[Offset++], data); |
|
} |
|
} |
|
} |
|
} |
|
/** |
|
* Sets all samples for a rectangle of pixels from a float array containing |
|
* one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param fArray The input samples in a float array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getPixels(int, int, int, int, float[], DataBuffer) |
|
* |
|
* @throws NullPointerException if fArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if fArray is too small to hold the input. |
|
*/ |
|
public void setPixels(int x, int y, int w, int h, |
|
float fArray[], DataBuffer data) { |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width|| |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for(int k=0; k<numBands; k++) { |
|
setSample(j, i, k, fArray[Offset++], data); |
|
} |
|
} |
|
} |
|
} |
|
/** |
|
* Sets all samples for a rectangle of pixels from a double array |
|
* containing one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param dArray The input samples in a double array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getPixels(int, int, int, int, double[], DataBuffer) |
|
* |
|
* @throws NullPointerException if dArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates are |
|
* not in bounds, or if dArray is too small to hold the input. |
|
*/ |
|
public void setPixels(int x, int y, int w, int h, |
|
double dArray[], DataBuffer data) { |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
for (int k=0; k<numBands; k++) { |
|
setSample(j, i, k, dArray[Offset++], data); |
|
} |
|
} |
|
} |
|
} |
|
/** |
|
* Sets a sample in the specified band for the pixel located at (x,y) |
|
* in the DataBuffer using an int for input. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param b The band to set. |
|
* @param s The input sample as an int. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getSample(int, int, int, DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds. |
|
*/ |
|
public abstract void setSample(int x, int y, int b, |
|
int s, |
|
DataBuffer data); |
|
/** |
|
* Sets a sample in the specified band for the pixel located at (x,y) |
|
* in the DataBuffer using a float for input. |
|
* The default implementation of this method casts the input |
|
* float sample to an int and then calls the |
|
* <code>setSample(int, int, int, DataBuffer)</code> method using |
|
* that int value. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param b The band to set. |
|
* @param s The input sample as a float. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getSample(int, int, int, DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds. |
|
*/ |
|
public void setSample(int x, int y, int b, |
|
float s , |
|
DataBuffer data) { |
|
int sample = (int)s; |
|
setSample(x, y, b, sample, data); |
|
} |
|
/** |
|
* Sets a sample in the specified band for the pixel located at (x,y) |
|
* in the DataBuffer using a double for input. |
|
* The default implementation of this method casts the input |
|
* double sample to an int and then calls the |
|
* <code>setSample(int, int, int, DataBuffer)</code> method using |
|
* that int value. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the pixel location. |
|
* @param y The Y coordinate of the pixel location. |
|
* @param b The band to set. |
|
* @param s The input sample as a double. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getSample(int, int, int, DataBuffer) |
|
* |
|
* @throws NullPointerException if data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds. |
|
*/ |
|
public void setSample(int x, int y, int b, |
|
double s, |
|
DataBuffer data) { |
|
int sample = (int)s; |
|
setSample(x, y, b, sample, data); |
|
} |
|
/** |
|
* Sets the samples in the specified band for the specified rectangle |
|
* of pixels from an int array containing one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param b The band to set. |
|
* @param iArray The input samples in an int array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getSamples(int, int, int, int, int, int[], DataBuffer) |
|
* |
|
* @throws NullPointerException if iArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds, or if iArray is too small to |
|
* hold the input. |
|
*/ |
|
public void setSamples(int x, int y, int w, int h, int b, |
|
int iArray[], DataBuffer data) { |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
setSample(j, i, b, iArray[Offset++], data); |
|
} |
|
} |
|
} |
|
/** |
|
* Sets the samples in the specified band for the specified rectangle |
|
* of pixels from a float array containing one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param b The band to set. |
|
* @param fArray The input samples in a float array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getSamples(int, int, int, int, int, float[], DataBuffer) |
|
* |
|
* @throws NullPointerException if fArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds, or if fArray is too small to |
|
* hold the input. |
|
*/ |
|
public void setSamples(int x, int y, int w, int h, int b, |
|
float fArray[], DataBuffer data) { |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
setSample(j, i, b, fArray[Offset++], data); |
|
} |
|
} |
|
} |
|
/** |
|
* Sets the samples in the specified band for the specified rectangle |
|
* of pixels from a double array containing one sample per array element. |
|
* ArrayIndexOutOfBoundsException may be thrown if the coordinates are |
|
* not in bounds. |
|
* @param x The X coordinate of the upper left pixel location. |
|
* @param y The Y coordinate of the upper left pixel location. |
|
* @param w The width of the pixel rectangle. |
|
* @param h The height of the pixel rectangle. |
|
* @param b The band to set. |
|
* @param dArray The input samples in a double array. |
|
* @param data The DataBuffer containing the image data. |
|
* @see #getSamples(int, int, int, int, int, double[], DataBuffer) |
|
* |
|
* @throws NullPointerException if dArray or data is null. |
|
* @throws ArrayIndexOutOfBoundsException if the coordinates or |
|
* the band index are not in bounds, or if dArray is too small to |
|
* hold the input. |
|
*/ |
|
public void setSamples(int x, int y, int w, int h, int b, |
|
double dArray[], DataBuffer data) { |
|
int Offset=0; |
|
int x1 = x + w; |
|
int y1 = y + h; |
|
if (x < 0 || x >= width || w > width || x1 < 0 || x1 > width || |
|
y < 0 || y >= height || h > height || y1 < 0 || y1 > height) |
|
{ |
|
throw new ArrayIndexOutOfBoundsException("Invalid coordinates."); |
|
} |
|
for (int i=y; i<y1; i++) { |
|
for (int j=x; j<x1; j++) { |
|
setSample(j, i, b, dArray[Offset++], data); |
|
} |
|
} |
|
} |
|
/** |
|
* Creates a SampleModel which describes data in this SampleModel's |
|
* format, but with a different width and height. |
|
* @param w the width of the image data |
|
* @param h the height of the image data |
|
* @return a <code>SampleModel</code> describing the same image |
|
* data as this <code>SampleModel</code>, but with a |
|
* different size. |
|
*/ |
|
public abstract SampleModel createCompatibleSampleModel(int w, int h); |
|
/** |
|
* Creates a new SampleModel |
|
* with a subset of the bands of this |
|
* SampleModel. |
|
* @param bands the subset of bands of this <code>SampleModel</code> |
|
* @return a <code>SampleModel</code> with a subset of bands of this |
|
* <code>SampleModel</code>. |
|
*/ |
|
public abstract SampleModel createSubsetSampleModel(int bands[]); |
|
/** |
|
* Creates a DataBuffer that corresponds to this SampleModel. |
|
* The DataBuffer's width and height will match this SampleModel's. |
|
* @return a <code>DataBuffer</code> corresponding to this |
|
* <code>SampleModel</code>. |
|
*/ |
|
public abstract DataBuffer createDataBuffer(); |
|
/** Returns the size in bits of samples for all bands. |
|
* @return the size of samples for all bands. |
|
*/ |
|
public abstract int[] getSampleSize(); |
|
/** Returns the size in bits of samples for the specified band. |
|
* @param band the specified band |
|
* @return the size of the samples of the specified band. |
|
*/ |
|
public abstract int getSampleSize(int band); |
|
} |