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Diffstat (limited to 'awt/java/awt/image/SinglePixelPackedSampleModel.java')
| -rw-r--r-- | awt/java/awt/image/SinglePixelPackedSampleModel.java | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/awt/java/awt/image/SinglePixelPackedSampleModel.java b/awt/java/awt/image/SinglePixelPackedSampleModel.java deleted file mode 100644 index 69f3353..0000000 --- a/awt/java/awt/image/SinglePixelPackedSampleModel.java +++ /dev/null @@ -1,519 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/** - * @author Igor V. Stolyarov - * @version $Revision$ - */ - -package java.awt.image; - -import java.util.Arrays; - -import org.apache.harmony.awt.internal.nls.Messages; - -/** - * The SinglePixelPackedSampleModel class represents pixel data where several - * samples combine to create a single pixel and are stored in a single data - * array element. This class supports TYPE_BYTE, TYPE_USHORT, TYPE_INT data - * types. - * - * @since Android 1.0 - */ -public class SinglePixelPackedSampleModel extends SampleModel { - - /** - * The bit masks. - */ - private int bitMasks[]; - - /** - * The bit offsets. - */ - private int bitOffsets[]; - - /** - * The bit sizes. - */ - private int bitSizes[]; - - /** - * The scanline stride. - */ - private int scanlineStride; - - /** - * The max bit size. - */ - private int maxBitSize; - - /** - * Instantiates a new SinglePixelPackedSampleModel with the specified - * parameters. - * - * @param dataType - * the data type of samples. - * @param w - * the width of the image data. - * @param h - * the height of the image data. - * @param bitMasks - * the bit masks for all the bands. - */ - public SinglePixelPackedSampleModel(int dataType, int w, int h, int bitMasks[]) { - this(dataType, w, h, w, bitMasks); - } - - /** - * Instantiates a new SinglePixelPackedSampleModel with the specified - * parameters. - * - * @param dataType - * the data type of the samples. - * @param w - * the width of the image data. - * @param h - * the height of the image data. - * @param scanlineStride - * the scanline stride of the image data. - * @param bitMasks - * the bit masks for all the bands. - */ - public SinglePixelPackedSampleModel(int dataType, int w, int h, int scanlineStride, - int bitMasks[]) { - - super(dataType, w, h, bitMasks.length); - - if (dataType != DataBuffer.TYPE_BYTE && dataType != DataBuffer.TYPE_USHORT - && dataType != DataBuffer.TYPE_INT) { - // awt.61=Unsupported data type: {0} - throw new IllegalArgumentException(Messages.getString("awt.61", //$NON-NLS-1$ - dataType)); - } - - this.scanlineStride = scanlineStride; - this.bitMasks = bitMasks.clone(); - this.bitOffsets = new int[this.numBands]; - this.bitSizes = new int[this.numBands]; - - this.maxBitSize = 0; - - for (int i = 0; i < this.numBands; i++) { - int offset = 0; - int size = 0; - int mask = bitMasks[i]; - - if (mask != 0) { - while ((mask & 1) == 0) { - mask >>>= 1; - offset++; - } - - while ((mask & 1) == 1) { - mask >>>= 1; - size++; - } - - if (mask != 0) { - // awt.62=Wrong mask : {0} - throw new IllegalArgumentException(Messages.getString("awt.62", bitMasks[i])); //$NON-NLS-1$ - } - } - - this.bitOffsets[i] = offset; - this.bitSizes[i] = size; - - if (this.maxBitSize < size) { - this.maxBitSize = size; - } - - } - - } - - @Override - public Object getDataElements(int x, int y, Object obj, DataBuffer data) { - if (x < 0 || y < 0 || x >= this.width || y >= this.height) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - switch (getTransferType()) { - case DataBuffer.TYPE_BYTE: - byte bdata[]; - if (obj == null) { - bdata = new byte[1]; - } else { - bdata = (byte[])obj; - } - - bdata[0] = (byte)data.getElem(y * scanlineStride + x); - obj = bdata; - break; - case DataBuffer.TYPE_USHORT: - short sdata[]; - if (obj == null) { - sdata = new short[1]; - } else { - sdata = (short[])obj; - } - - sdata[0] = (short)data.getElem(y * scanlineStride + x); - obj = sdata; - break; - case DataBuffer.TYPE_INT: - int idata[]; - if (obj == null) { - idata = new int[1]; - } else { - idata = (int[])obj; - } - - idata[0] = data.getElem(y * scanlineStride + x); - obj = idata; - break; - } - return obj; - } - - @Override - public void setDataElements(int x, int y, Object obj, DataBuffer data) { - if (x < 0 || y < 0 || x >= this.width || y >= this.height) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - switch (getTransferType()) { - case DataBuffer.TYPE_BYTE: - data.setElem(y * scanlineStride + x, ((byte[])obj)[0] & 0xff); - break; - case DataBuffer.TYPE_USHORT: - data.setElem(y * scanlineStride + x, ((short[])obj)[0] & 0xffff); - break; - case DataBuffer.TYPE_INT: - data.setElem(y * scanlineStride + x, ((int[])obj)[0]); - break; - } - } - - /** - * Compares this SinglePixelPackedSampleModel object with the specified - * object. - * - * @param o - * the Object to be compared. - * @return true, if this SinglePixelPackedSampleModel object is equal to the - * specified object, false otherwise. - */ - @Override - public boolean equals(Object o) { - if ((o == null) || !(o instanceof SinglePixelPackedSampleModel)) { - return false; - } - - SinglePixelPackedSampleModel model = (SinglePixelPackedSampleModel)o; - return this.width == model.width && this.height == model.height - && this.numBands == model.numBands && this.dataType == model.dataType - && Arrays.equals(this.bitMasks, model.bitMasks) - && Arrays.equals(this.bitOffsets, model.bitOffsets) - && Arrays.equals(this.bitSizes, model.bitSizes) - && this.scanlineStride == model.scanlineStride; - } - - @Override - public SampleModel createSubsetSampleModel(int bands[]) { - if (bands.length > this.numBands) { - // awt.64=The number of the bands in the subset is greater than the - // number of bands in the sample model - throw new RasterFormatException(Messages.getString("awt.64")); //$NON-NLS-1$ - } - - int masks[] = new int[bands.length]; - for (int i = 0; i < bands.length; i++) { - masks[i] = this.bitMasks[bands[i]]; - } - return new SinglePixelPackedSampleModel(this.dataType, this.width, this.height, - this.scanlineStride, masks); - } - - @Override - public SampleModel createCompatibleSampleModel(int w, int h) { - return new SinglePixelPackedSampleModel(this.dataType, w, h, this.bitMasks); - } - - @Override - public int[] getPixel(int x, int y, int iArray[], DataBuffer data) { - if (x < 0 || y < 0 || x >= this.width || y >= this.height) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - int pixel[]; - if (iArray == null) { - pixel = new int[this.numBands]; - } else { - pixel = iArray; - } - - for (int i = 0; i < this.numBands; i++) { - pixel[i] = getSample(x, y, i, data); - } - - return pixel; - } - - @Override - public void setPixel(int x, int y, int iArray[], DataBuffer data) { - if (x < 0 || y < 0 || x >= this.width || y >= this.height) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - for (int i = 0; i < this.numBands; i++) { - setSample(x, y, i, iArray[i], data); - } - } - - @Override - public int getSample(int x, int y, int b, DataBuffer data) { - if (x < 0 || y < 0 || x >= this.width || y >= this.height) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - int sample = data.getElem(y * scanlineStride + x); - return ((sample & this.bitMasks[b]) >>> this.bitOffsets[b]); - } - - @Override - public int[] getPixels(int x, int y, int w, int h, int iArray[], DataBuffer data) { - if ((x < 0) || (y < 0) || ((long)x + (long)w > this.width) - || ((long)y + (long)h > this.height)) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - - int pixels[]; - - if (iArray == null) { - pixels = new int[w * h * this.numBands]; - } else { - pixels = iArray; - } - - int idx = 0; - - for (int i = y; i < y + h; i++) { - for (int j = x; j < x + w; j++) { - for (int n = 0; n < this.numBands; n++) { - pixels[idx++] = getSample(j, i, n, data); - } - } - } - return pixels; - } - - @Override - public void setPixels(int x, int y, int w, int h, int iArray[], DataBuffer data) { - if ((x < 0) || (y < 0) || ((long)x + (long)w > this.width) - || ((long)y + (long)h > this.height)) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - - int idx = 0; - - for (int i = y; i < y + h; i++) { - for (int j = x; j < x + w; j++) { - for (int n = 0; n < this.numBands; n++) { - setSample(j, i, n, iArray[idx++], data); - } - } - } - } - - @Override - public void setSample(int x, int y, int b, int s, DataBuffer data) { - if (x < 0 || y < 0 || x >= this.width || y >= this.height) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - int tmp = data.getElem(y * scanlineStride + x); - tmp &= ~this.bitMasks[b]; - tmp |= (s << this.bitOffsets[b]) & this.bitMasks[b]; - data.setElem(y * scanlineStride + x, tmp); - } - - @Override - public int[] getSamples(int x, int y, int w, int h, int b, int iArray[], DataBuffer data) { - if ((x < 0) || (y < 0) || ((long)x + (long)w > this.width) - || ((long)y + (long)h > this.height)) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - - int samples[]; - int idx = 0; - - if (iArray == null) { - samples = new int[w * h]; - } else { - samples = iArray; - } - - for (int i = y; i < y + h; i++) { - for (int j = x; j < x + w; j++) { - samples[idx++] = getSample(j, i, b, data); - } - } - - return samples; - } - - @Override - public void setSamples(int x, int y, int w, int h, int b, int iArray[], DataBuffer data) { - if ((x < 0) || (y < 0) || ((long)x + (long)w > this.width) - || ((long)y + (long)h > this.height)) { - // awt.63=Coordinates are not in bounds - throw new ArrayIndexOutOfBoundsException(Messages.getString("awt.63")); //$NON-NLS-1$ - } - - int idx = 0; - for (int i = y; i < y + h; i++) { - for (int j = x; j < x + w; j++) { - setSample(x + j, y + i, b, iArray[idx++], data); - } - } - } - - @Override - public DataBuffer createDataBuffer() { - DataBuffer data = null; - int size = (this.height - 1) * scanlineStride + width; - - switch (this.dataType) { - case DataBuffer.TYPE_BYTE: - data = new DataBufferByte(size); - break; - case DataBuffer.TYPE_USHORT: - data = new DataBufferUShort(size); - break; - case DataBuffer.TYPE_INT: - data = new DataBufferInt(size); - break; - } - return data; - } - - /** - * Gets the offset of the specified pixel in the data array. - * - * @param x - * the X coordinate of the specified pixel. - * @param y - * the Y coordinate of the specified pixel. - * @return the offset of the specified pixel. - */ - public int getOffset(int x, int y) { - return (y * scanlineStride + x); - } - - @Override - public int getSampleSize(int band) { - return bitSizes[band]; - } - - @Override - public int[] getSampleSize() { - return bitSizes.clone(); - } - - /** - * Gets an array of the bit offsets of the data array elements. - * - * @return an array of the bit offsets. - */ - public int[] getBitOffsets() { - return bitOffsets.clone(); - } - - /** - * Gets an array of the bit masks for all bands. - * - * @return an array of the bit masks for all bands. - */ - public int[] getBitMasks() { - return bitMasks.clone(); - } - - /** - * Returns a hash code of this MultiPixelPackedSampleModel class. - * - * @return the hash code of this MultiPixelPackedSampleModel class. - */ - @Override - public int hashCode() { - int hash = 0; - int tmp = 0; - - hash = width; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - hash ^= height; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - hash ^= numBands; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - hash ^= dataType; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - for (int element : bitMasks) { - hash ^= element; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - } - for (int element : bitOffsets) { - hash ^= element; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - } - for (int element : bitSizes) { - hash ^= element; - tmp = hash >>> 24; - hash <<= 8; - hash |= tmp; - } - hash ^= scanlineStride; - return hash; - } - - /** - * Gets the scanline stride. - * - * @return the scanline stride - */ - public int getScanlineStride() { - return this.scanlineStride; - } - - @Override - public int getNumDataElements() { - return 1; - } - -} |