| /* Copyright (C) 2004, 2005, 2006, 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. */ |
| |
| package java.awt.image; |
| |
| import gnu.java.awt.Buffers; |
| |
| /** |
| * A sample model that reads each sample value from a separate band in the |
| * {@link DataBuffer}. |
| * |
| * @author Jerry Quinn (jlquinn@optonline.net) |
| */ |
| public final class BandedSampleModel extends ComponentSampleModel |
| { |
| private int[] bitMasks; |
| private int[] bitOffsets; |
| private int[] sampleSize; |
| private int dataBitOffset; |
| private int elemBits; |
| private int numberOfBits; |
| private int numElems; |
| |
| private static int[] createBankArray(int size) |
| { |
| int[] result = new int[size]; |
| for (int i = 0; i < size; i++) |
| result[i] = i; |
| return result; |
| } |
| |
| /** |
| * Creates a new <code>BandedSampleModel</code>. |
| * |
| * @param dataType the data buffer type. |
| * @param w the width (in pixels). |
| * @param h the height (in pixels). |
| * @param numBands the number of bands. |
| */ |
| public BandedSampleModel(int dataType, int w, int h, int numBands) |
| { |
| this(dataType, w, h, w, createBankArray(numBands), new int[numBands]); |
| } |
| |
| /** |
| * Creates a new <code>BandedSampleModel</code>. |
| * |
| * @param dataType the data buffer type. |
| * @param w the width (in pixels). |
| * @param h the height (in pixels). |
| * @param scanlineStride the number of data elements from a pixel in one |
| * row to the corresponding pixel in the next row. |
| * @param bankIndices the bank indices. |
| * @param bandOffsets the band offsets. |
| */ |
| public BandedSampleModel(int dataType, int w, int h, int scanlineStride, |
| int[] bankIndices, int[] bandOffsets) |
| { |
| super(dataType, w, h, 1, scanlineStride, bankIndices, bandOffsets); |
| } |
| |
| /** |
| * Creates a new data buffer that is compatible with this sample model. |
| * |
| * @return The new data buffer. |
| */ |
| public DataBuffer createDataBuffer() |
| { |
| int size = scanlineStride * height; |
| return Buffers.createBuffer(getDataType(), size, numBanks); |
| } |
| |
| /** |
| * Creates a new <code>SampleModel</code> that is compatible with this |
| * model and has the specified width and height. |
| * |
| * @param w the width (in pixels, must be greater than zero). |
| * @param h the height (in pixels, must be greater than zero). |
| * |
| * @return The new sample model. |
| * |
| * @throws IllegalArgumentException if <code>w</code> or <code>h</code> is |
| * not greater than zero. |
| * @throws IllegalArgumentException if <code>w * h</code> exceeds |
| * <code>Integer.MAX_VALUE</code>. |
| */ |
| public SampleModel createCompatibleSampleModel(int w, int h) |
| { |
| // NOTE: blackdown 1.4.1 sets all offsets to 0. Sun's 1.4.2 docs |
| // disagree. |
| |
| // Compress offsets so minimum is 0, others w*scanlineStride |
| int[] newoffsets = new int[bandOffsets.length]; |
| int[] order = new int[bandOffsets.length]; |
| for (int i = 0; i < bandOffsets.length; i++) |
| order[i] = i; |
| // FIXME: This is N^2, but not a big issue, unless there's a lot of |
| // bands... |
| for (int i = 0; i < bandOffsets.length; i++) |
| for (int j = i + 1; j < bandOffsets.length; j++) |
| if (bankIndices[order[i]] > bankIndices[order[j]] |
| || (bankIndices[order[i]] == bankIndices[order[j]] |
| && bandOffsets[order[i]] > bandOffsets[order[j]])) |
| { |
| int t = order[i]; order[i] = order[j]; order[j] = t; |
| } |
| int bank = 0; |
| int offset = 0; |
| for (int i = 0; i < bandOffsets.length; i++) |
| { |
| if (bankIndices[order[i]] != bank) |
| { |
| bank = bankIndices[order[i]]; |
| offset = 0; |
| } |
| newoffsets[order[i]] = offset; |
| offset += w * scanlineStride; |
| } |
| |
| return new BandedSampleModel(dataType, w, h, w, bankIndices, newoffsets); |
| } |
| |
| |
| public SampleModel createSubsetSampleModel(int[] bands) |
| { |
| if (bands.length > bankIndices.length) |
| throw new |
| RasterFormatException("BandedSampleModel createSubsetSampleModel too" |
| +" many bands"); |
| int[] newoff = new int[bands.length]; |
| int[] newbanks = new int[bands.length]; |
| for (int i = 0; i < bands.length; i++) |
| { |
| int b = bands[i]; |
| newoff[i] = bandOffsets[b]; |
| newbanks[i] = bankIndices[b]; |
| } |
| |
| return new BandedSampleModel(dataType, width, height, scanlineStride, |
| newbanks, newoff); |
| } |
| |
| /** |
| * Extract all samples of one pixel and return in an array of transfer type. |
| * |
| * Extracts the pixel at x, y from data and stores samples into the array |
| * obj. If obj is null, a new array of getTransferType() is created. |
| * |
| * @param x The x-coordinate of the pixel rectangle to store in |
| * <code>obj</code>. |
| * @param y The y-coordinate of the pixel rectangle to store in |
| * <code>obj</code>. |
| * @param obj The primitive array to store the pixels into or null to force |
| * creation. |
| * @param data The DataBuffer that is the source of the pixel data. |
| * @return The primitive array containing the pixel data. |
| * @see java.awt.image.SampleModel#getDataElements(int, int, |
| * java.lang.Object, java.awt.image.DataBuffer) |
| */ |
| public Object getDataElements(int x, int y, Object obj, DataBuffer data) |
| { |
| if (x < 0 || y < 0) |
| throw new ArrayIndexOutOfBoundsException( |
| "x and y must not be less than 0."); |
| int pixel = getSample(x, y, 0, data); |
| switch (getTransferType()) |
| { |
| case DataBuffer.TYPE_BYTE: |
| { |
| byte[] b = (byte[]) obj; |
| if (b == null) b = new byte[numBands]; |
| for (int i = 0; i < numBands; i++) |
| b[i] = (byte)getSample(x, y, i, data); |
| return b; |
| } |
| case DataBuffer.TYPE_SHORT: |
| case DataBuffer.TYPE_USHORT: |
| { |
| short[] b = (short[]) obj; |
| if (b == null) b = new short[numBands]; |
| for (int i = 0; i < numBands; i++) |
| b[i] = (short)getSample(x, y, i, data); |
| return b; |
| } |
| case DataBuffer.TYPE_INT: |
| { |
| int[] b = (int[]) obj; |
| if (b == null) b = new int[numBands]; |
| for (int i = 0; i < numBands; i++) |
| b[i] = getSample(x, y, i, data); |
| return b; |
| } |
| case DataBuffer.TYPE_FLOAT: |
| { |
| float[] b = (float[]) obj; |
| if (b == null) b = new float[numBands]; |
| for (int i = 0; i < numBands; i++) |
| b[i] = getSampleFloat(x, y, i, data); |
| return b; |
| } |
| case DataBuffer.TYPE_DOUBLE: |
| { |
| double[] b = (double[]) obj; |
| if (b == null) |
| b = new double[numBands]; |
| for (int i = 0; i < numBands; i++) |
| b[i] = getSample(x, y, i, data); |
| return b; |
| } |
| |
| default: |
| // Seems like the only sensible thing to do. |
| throw new ClassCastException(); |
| } |
| } |
| |
| /** |
| * Returns all the samples for the pixel at location <code>(x, y)</code> |
| * stored in the specified data buffer. |
| * |
| * @param x the x-coordinate. |
| * @param y the y-coordinate. |
| * @param iArray an array that will be populated with the sample values and |
| * returned as the result. The size of this array should be equal to the |
| * number of bands in the model. If the array is <code>null</code>, a new |
| * array is created. |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @return The samples for the specified pixel. |
| * |
| * @see #setPixel(int, int, int[], DataBuffer) |
| */ |
| public int[] getPixel(int x, int y, int[] iArray, DataBuffer data) |
| { |
| if (iArray == null) |
| iArray = new int[numBands]; |
| for (int i = 0; i < numBands; i++) |
| iArray[i] = getSample(x, y, i, data); |
| |
| return iArray; |
| } |
| |
| /** |
| * Copy pixels from a region into an array. |
| * |
| * Copies the samples of the pixels in the rectangle starting at x, y that |
| * is w pixels wide and h scanlines high. When there is more than one band, |
| * the samples stored in order before the next pixel. This ordering isn't |
| * well specified in Sun's docs as of 1.4.2. |
| * |
| * If iArray is null, a new array is allocated, filled, and returned. |
| * |
| * @param x The x-coordinate of the pixel rectangle to store in |
| * <code>iArray</code>. |
| * @param y The y-coordinate of the pixel rectangle to store in |
| * <code>iArray</code>. |
| * @param w The width in pixels of the rectangle. |
| * @param h The height in pixels of the rectangle. |
| * @param iArray The int array to store the pixels into or null to force |
| * creation. |
| * @param data The DataBuffer that is the source of the pixel data. |
| * @return The primitive array containing the pixel data. |
| */ |
| public int[] getPixels(int x, int y, int w, int h, int[] iArray, |
| DataBuffer data) |
| { |
| if (x < 0 || y < 0) |
| throw new ArrayIndexOutOfBoundsException( |
| "x and y must not be less than 0."); |
| if (iArray == null) |
| iArray = new int[w * h * numBands]; |
| int outOffset = 0; |
| int maxX = x + w; |
| int maxY = y + h; |
| for (int yy = x; yy < maxY; yy++) |
| { |
| for (int xx = x; xx < maxX; xx++) |
| { |
| for (int b = 0; b < numBands; b++) |
| { |
| int offset = bandOffsets[b] + yy * scanlineStride + xx; |
| iArray[outOffset++] = |
| data.getElem(bankIndices[b], offset); |
| } |
| } |
| } |
| return iArray; |
| } |
| |
| /** |
| * Returns a sample value for the pixel at (x, y) in the specified data |
| * buffer. |
| * |
| * @param x the x-coordinate of the pixel. |
| * @param y the y-coordinate of the pixel. |
| * @param b the band (in the range <code>0</code> to |
| * <code>getNumBands() - 1</code>). |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @return The sample value. |
| * |
| * @throws NullPointerException if <code>data</code> is <code>null</code>. |
| */ |
| public int getSample(int x, int y, int b, DataBuffer data) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + x; |
| return data.getElem(bankIndices[b], offset); |
| } |
| |
| /** |
| * Returns a sample value for the pixel at (x, y) in the specified data |
| * buffer. |
| * |
| * @param x the x-coordinate of the pixel. |
| * @param y the y-coordinate of the pixel. |
| * @param b the band (in the range <code>0</code> to |
| * <code>getNumBands() - 1</code>). |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @return The sample value. |
| * |
| * @throws NullPointerException if <code>data</code> is <code>null</code>. |
| * |
| * @see #getSample(int, int, int, DataBuffer) |
| */ |
| public float getSampleFloat(int x, int y, int b, DataBuffer data) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + x; |
| return data.getElemFloat(bankIndices[b], offset); |
| } |
| |
| /** |
| * Returns the sample value for the pixel at (x, y) in the specified data |
| * buffer. |
| * |
| * @param x the x-coordinate of the pixel. |
| * @param y the y-coordinate of the pixel. |
| * @param b the band (in the range <code>0</code> to |
| * <code>getNumBands() - 1</code>). |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @return The sample value. |
| * |
| * @throws NullPointerException if <code>data</code> is <code>null</code>. |
| * |
| * @see #getSample(int, int, int, DataBuffer) |
| */ |
| public double getSampleDouble(int x, int y, int b, DataBuffer data) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + x; |
| return data.getElemDouble(bankIndices[b], offset); |
| } |
| |
| /** |
| * Copy one band's samples from a region into an array. |
| * |
| * Copies from one band the samples of the pixels in the rectangle starting |
| * at x, y that is w pixels wide and h scanlines high. |
| * |
| * If iArray is null, a new array is allocated, filled, and returned. |
| * |
| * @param x The x-coordinate of the pixel rectangle to store in |
| * <code>iArray</code>. |
| * @param y The y-coordinate of the pixel rectangle to store in |
| * <code>iArray</code>. |
| * @param w The width in pixels of the rectangle. |
| * @param h The height in pixels of the rectangle. |
| * @param b The band to retrieve. |
| * @param iArray The int array to store the pixels into or null to force |
| * creation. |
| * @param data The DataBuffer that is the source of the pixel data. |
| * @return The primitive array containing the pixel data. |
| */ |
| public int[] getSamples(int x, int y, int w, int h, int b, int[] iArray, |
| DataBuffer data) |
| { |
| if (x < 0 || y < 0) |
| throw new ArrayIndexOutOfBoundsException( |
| "x and y must not be less than 0."); |
| if (iArray == null) |
| iArray = new int[w * h]; |
| int outOffset = 0; |
| int maxX = x + w; |
| int maxY = y + h; |
| for (int yy = y; yy < maxY; yy++) |
| { |
| for (int xx = x; xx < maxX; xx++) |
| { |
| int offset = bandOffsets[b] + yy * scanlineStride + xx; |
| iArray[outOffset++] = |
| data.getElem(bankIndices[b], offset); |
| } |
| } |
| return iArray; |
| } |
| |
| /** |
| * Set the pixel at x, y to the value in the first element of the primitive |
| * array obj. |
| * |
| * @param x The x-coordinate of the data elements in <code>obj</code>. |
| * @param y The y-coordinate of the data elements in <code>obj</code>. |
| * @param obj The primitive array containing the data elements to set. |
| * @param data The DataBuffer to store the data elements into. |
| * @see java.awt.image.SampleModel#setDataElements(int, int, int, int, java.lang.Object, java.awt.image.DataBuffer) |
| */ |
| public void setDataElements(int x, int y, Object obj, DataBuffer data) |
| { |
| int transferType = getTransferType(); |
| if (getTransferType() != data.getDataType()) |
| { |
| throw new IllegalArgumentException("transfer type ("+ |
| getTransferType()+"), "+ |
| "does not match data "+ |
| "buffer type (" + |
| data.getDataType() + |
| ")."); |
| } |
| |
| int offset = y * scanlineStride + x; |
| |
| try |
| { |
| switch (transferType) |
| { |
| case DataBuffer.TYPE_BYTE: |
| { |
| DataBufferByte out = (DataBufferByte) data; |
| byte[] in = (byte[]) obj; |
| for (int i = 0; i < numBands; i++) |
| out.getData(bankIndices[i])[offset + bandOffsets[i]] = in[i]; |
| return; |
| } |
| case DataBuffer.TYPE_SHORT: |
| { |
| DataBufferShort out = (DataBufferShort) data; |
| short[] in = (short[]) obj; |
| for (int i = 0; i < numBands; i++) |
| out.getData(bankIndices[i])[offset + bandOffsets[i]] = in[i]; |
| return; |
| } |
| case DataBuffer.TYPE_USHORT: |
| { |
| DataBufferUShort out = (DataBufferUShort) data; |
| short[] in = (short[]) obj; |
| for (int i = 0; i < numBands; i++) |
| out.getData(bankIndices[i])[offset + bandOffsets[i]] = in[i]; |
| return; |
| } |
| case DataBuffer.TYPE_INT: |
| { |
| DataBufferInt out = (DataBufferInt) data; |
| int[] in = (int[]) obj; |
| for (int i = 0; i < numBands; i++) |
| out.getData(bankIndices[i])[offset + bandOffsets[i]] = in[i]; |
| return; |
| } |
| case DataBuffer.TYPE_FLOAT: |
| { |
| DataBufferFloat out = (DataBufferFloat) data; |
| float[] in = (float[]) obj; |
| for (int i = 0; i < numBands; i++) |
| out.getData(bankIndices[i])[offset + bandOffsets[i]] = in[i]; |
| return; |
| } |
| case DataBuffer.TYPE_DOUBLE: |
| { |
| DataBufferDouble out = (DataBufferDouble) data; |
| double[] in = (double[]) obj; |
| for (int i = 0; i < numBands; i++) |
| out.getData(bankIndices[i])[offset + bandOffsets[i]] = in[i]; |
| return; |
| } |
| default: |
| throw new ClassCastException("Unsupported data type"); |
| } |
| } |
| catch (ArrayIndexOutOfBoundsException aioobe) |
| { |
| String msg = "While writing data elements" |
| + ", x=" + x + ", y=" + y |
| + ", width=" + width + ", height=" + height |
| + ", scanlineStride=" + scanlineStride |
| + ", offset=" + offset |
| + ", data.getSize()=" + data.getSize() |
| + ", data.getOffset()=" + data.getOffset() |
| + ": " + aioobe; |
| throw new ArrayIndexOutOfBoundsException(msg); |
| } |
| } |
| |
| /** |
| * Sets the samples for the pixel at (x, y) in the specified data buffer to |
| * the specified values. |
| * |
| * @param x the x-coordinate of the pixel. |
| * @param y the y-coordinate of the pixel. |
| * @param iArray the sample values (<code>null</code> not permitted). |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @throws NullPointerException if either <code>iArray</code> or |
| * <code>data</code> is <code>null</code>. |
| */ |
| public void setPixel(int x, int y, int[] iArray, DataBuffer data) |
| { |
| for (int b = 0; b < numBands; b++) |
| data.setElem(bankIndices[b], bandOffsets[b] + y * scanlineStride + x, |
| iArray[b]); |
| } |
| |
| /** |
| * Sets the sample values for the pixels in the region specified by |
| * (x, y, w, h) in the specified data buffer. The array is |
| * ordered by pixels (that is, all the samples for the first pixel are |
| * grouped together, followed by all the samples for the second pixel, and so |
| * on). |
| * |
| * @param x the x-coordinate of the top-left pixel. |
| * @param y the y-coordinate of the top-left pixel. |
| * @param w the width of the region of pixels. |
| * @param h the height of the region of pixels. |
| * @param iArray the pixel sample values (<code>null</code> not permitted). |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @throws NullPointerException if either <code>iArray</code> or |
| * <code>data</code> is <code>null</code>. |
| */ |
| public void setPixels(int x, int y, int w, int h, int[] iArray, |
| DataBuffer data) |
| { |
| int inOffset = 0; |
| for (int hh = 0; hh < h; hh++) |
| { |
| for (int ww = 0; ww < w; ww++) |
| { |
| int offset = y * scanlineStride + (x + ww); |
| for (int b = 0; b < numBands; b++) |
| data.setElem(bankIndices[b], bandOffsets[b] + offset, |
| iArray[inOffset++]); |
| } |
| y++; |
| } |
| } |
| |
| /** |
| * Sets the sample value for band <code>b</code> of the pixel at location |
| * <code>(x, y)</code> in the specified data buffer. |
| * |
| * @param x the x-coordinate. |
| * @param y the y-coordinate. |
| * @param b the band index. |
| * @param s the sample value. |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @see #getSample(int, int, int, DataBuffer) |
| */ |
| public void setSample(int x, int y, int b, int s, DataBuffer data) |
| { |
| data.setElem(bankIndices[b], bandOffsets[b] + y * scanlineStride + x, s); |
| } |
| |
| /** |
| * Sets the sample value for a band for the pixel at (x, y) in the |
| * specified data buffer. |
| * |
| * @param x the x-coordinate of the pixel. |
| * @param y the y-coordinate of the pixel. |
| * @param b the band (in the range <code>0</code> to |
| * <code>getNumBands() - 1</code>). |
| * @param s the sample value. |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @throws NullPointerException if <code>data</code> is <code>null</code>. |
| */ |
| public void setSample(int x, int y, int b, float s, DataBuffer data) |
| { |
| data.setElemFloat(bankIndices[b], bandOffsets[b] + y * scanlineStride + x, |
| s); |
| } |
| |
| /** |
| * Sets the sample value for a band for the pixel at (x, y) in the |
| * specified data buffer. |
| * |
| * @param x the x-coordinate of the pixel. |
| * @param y the y-coordinate of the pixel. |
| * @param b the band (in the range <code>0</code> to |
| * <code>getNumBands() - 1</code>). |
| * @param s the sample value. |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @throws NullPointerException if <code>data</code> is <code>null</code>. |
| */ |
| public void setSample(int x, int y, int b, double s, DataBuffer data) |
| { |
| data.setElemDouble(bankIndices[b], bandOffsets[b] + y * scanlineStride + x, |
| s); |
| } |
| |
| /** |
| * Sets the sample values for one band for the pixels in the region |
| * specified by (x, y, w, h) in the specified data buffer. |
| * |
| * @param x the x-coordinate of the top-left pixel. |
| * @param y the y-coordinate of the top-left pixel. |
| * @param w the width of the region of pixels. |
| * @param h the height of the region of pixels. |
| * @param b the band (in the range <code>0</code> to |
| * </code>getNumBands() - 1</code>). |
| * @param iArray the sample values (<code>null</code> not permitted). |
| * @param data the data buffer (<code>null</code> not permitted). |
| * |
| * @throws NullPointerException if either <code>iArray</code> or |
| * <code>data</code> is <code>null</code>. |
| */ |
| public void setSamples(int x, int y, int w, int h, int b, int[] iArray, |
| DataBuffer data) |
| { |
| if (x < 0 || y < 0) |
| throw new ArrayIndexOutOfBoundsException( |
| "x and y must not be less than 0."); |
| int inOffset = 0; |
| |
| switch (getTransferType()) |
| { |
| case DataBuffer.TYPE_BYTE: |
| { |
| DataBufferByte out = (DataBufferByte) data; |
| byte[] bank = out.getData(bankIndices[b]); |
| for (int hh = 0; hh < h; hh++) |
| { |
| for (int ww = 0; ww < w; ww++) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + (x + ww); |
| bank[offset] = (byte)iArray[inOffset++]; |
| } |
| y++; |
| } |
| return; |
| } |
| case DataBuffer.TYPE_SHORT: |
| { |
| DataBufferShort out = (DataBufferShort) data; |
| short[] bank = out.getData(bankIndices[b]); |
| for (int hh = 0; hh < h; hh++) |
| { |
| for (int ww = 0; ww < w; ww++) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + (x + ww); |
| bank[offset] = (short)iArray[inOffset++]; |
| } |
| y++; |
| } |
| return; |
| } |
| case DataBuffer.TYPE_USHORT: |
| { |
| DataBufferShort out = (DataBufferShort) data; |
| short[] bank = out.getData(bankIndices[b]); |
| for (int hh = 0; hh < h; hh++) |
| { |
| for (int ww = 0; ww < w; ww++) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + (x + ww); |
| bank[offset] = (short)iArray[inOffset++]; |
| } |
| y++; |
| } |
| return; |
| } |
| case DataBuffer.TYPE_INT: |
| { |
| DataBufferInt out = (DataBufferInt) data; |
| int[] bank = out.getData(bankIndices[b]); |
| for (int hh = 0; hh < h; hh++) |
| { |
| for (int ww = 0; ww < w; ww++) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + (x + ww); |
| bank[offset] = iArray[inOffset++]; |
| } |
| y++; |
| } |
| return; |
| } |
| case DataBuffer.TYPE_FLOAT: |
| case DataBuffer.TYPE_DOUBLE: |
| break; |
| default: |
| throw new ClassCastException("Unsupported data type"); |
| } |
| |
| // Default implementation probably slower for float and double |
| for (int hh = 0; hh < h; hh++) |
| { |
| for (int ww = 0; ww < w; ww++) |
| { |
| int offset = bandOffsets[b] + y * scanlineStride + (x + ww); |
| data.setElem(bankIndices[b], offset, iArray[inOffset++]); |
| } |
| y++; |
| } |
| } |
| |
| /** |
| * Creates a String with some information about this SampleModel. |
| * @return A String describing this SampleModel. |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() |
| { |
| StringBuffer result = new StringBuffer(); |
| result.append(getClass().getName()); |
| result.append("["); |
| result.append("scanlineStride=").append(scanlineStride); |
| for(int i = 0; i < bitMasks.length; i+=1) |
| { |
| result.append(", mask[").append(i).append("]=0x").append( |
| Integer.toHexString(bitMasks[i])); |
| } |
| |
| result.append("]"); |
| return result.toString(); |
| } |
| } |