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Added UnsignedIntBuffer and UnsignedIntColorModel to facilitate unsig…
…ned 32-bit BufferedImage construction. Closes #375.
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125 changes: 125 additions & 0 deletions
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components/bio-formats/src/loci/formats/UnsignedIntBuffer.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,125 @@ | ||
| // | ||
| // UnsignedIntBuffer.java | ||
| // | ||
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| /* | ||
| OME Bio-Formats package for reading and converting biological file formats. | ||
| Copyright (C) 2005-@year@ UW-Madison LOCI and Glencoe Software, Inc. | ||
| This program 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 of the License, or | ||
| (at your option) any later version. | ||
| This program 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 this program; if not, write to the Free Software | ||
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| */ | ||
|
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| package loci.formats; | ||
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| import java.awt.image.DataBuffer; | ||
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| /** | ||
| * DataBuffer that stores unsigned ints. | ||
| * | ||
| * <dl><dt><b>Source code:</b></dt> | ||
| * <dd><a href="https://skyking.microscopy.wisc.edu/trac/java/browser/trunk/components/bio-formats/src/loci/formats/UnsignedIntBuffer.java">Trac</a>, | ||
| * <a href="https://skyking.microscopy.wisc.edu/svn/java/trunk/components/bio-formats/src/loci/formats/UnsignedIntBuffer.java">SVN</a></dd></dl> | ||
| * | ||
| * @author Melissa Linkert linkert at wisc.edu | ||
| */ | ||
| public class UnsignedIntBuffer extends DataBuffer { | ||
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| private int[][] bankData; | ||
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| /** Construct a new buffer of unsigned ints using the given int array. */ | ||
| public UnsignedIntBuffer(int[] dataArray, int size) { | ||
| super(DataBuffer.TYPE_INT, size); | ||
| bankData = new int[1][]; | ||
| bankData[0] = dataArray; | ||
| } | ||
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| /** Construct a new buffer of unsigned ints using the given 2D int array. */ | ||
| public UnsignedIntBuffer(int[][] dataArray, int size) { | ||
| super(DataBuffer.TYPE_INT, size); | ||
| bankData = dataArray; | ||
| } | ||
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| /* @see java.awt.image.DataBuffer.getData() */ | ||
| public int[] getData() { | ||
| return bankData[0]; | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getData(int) */ | ||
| public int[] getData(int bank) { | ||
| return bankData[bank]; | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getElem(int) */ | ||
| public int getElem(int i) { | ||
| return getElem(0, i); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getElem(int, int) */ | ||
| public int getElem(int bank, int i) { | ||
| int value = bankData[bank][i + getOffsets()[bank]]; | ||
| return (int) (value & 0xffffffffL); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getElemFloat(int) */ | ||
| public float getElemFloat(int i) { | ||
| return getElemFloat(0, i); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getElemFloat(int, int) */ | ||
| public float getElemFloat(int bank, int i) { | ||
| return (float) (getElem(bank, i) & 0xffffffffL); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getElemDouble(int) */ | ||
| public double getElemDouble(int i) { | ||
| return getElemDouble(0, i); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#getElemDouble(int, int) */ | ||
| public double getElemDouble(int bank, int i) { | ||
| return (double) (getElem(bank, i) & 0xffffffffL); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#setElem(int, int) */ | ||
| public void setElem(int i, int val) { | ||
| setElem(0, i, val); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#setElem(int, int, int) */ | ||
| public void setElem(int bank, int i, int val) { | ||
| bankData[bank][i + getOffsets()[bank]] = val; | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#setElemFloat(int, float) */ | ||
| public void setElemFloat(int i, float val) { | ||
| setElemFloat(0, i, val); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#setElemFloat(int, int, float) */ | ||
| public void setElemFloat(int bank, int i, float val) { | ||
| bankData[bank][i + getOffsets()[bank]] = (int) val; | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#setElemDouble(int, double) */ | ||
| public void setElemDouble(int i, double val) { | ||
| setElemDouble(0, i, val); | ||
| } | ||
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| /* @see java.awt.image.DataBuffer#setElemDouble(int, int, double) */ | ||
| public void setElemDouble(int bank, int i, double val) { | ||
| bankData[bank][i + getOffsets()[bank]] = (int) val; | ||
| } | ||
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| } |
162 changes: 162 additions & 0 deletions
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components/bio-formats/src/loci/formats/UnsignedIntColorModel.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| // | ||
| // UnsignedIntColorModel.java | ||
| // | ||
|
|
||
| /* | ||
| OME Bio-Formats package for reading and converting biological file formats. | ||
| Copyright (C) 2005-@year@ UW-Madison LOCI and Glencoe Software, Inc. | ||
| This program 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 of the License, or | ||
| (at your option) any later version. | ||
| This program 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 this program; if not, write to the Free Software | ||
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| */ | ||
|
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| package loci.formats; | ||
|
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| import java.awt.image.*; | ||
| import java.io.IOException; | ||
|
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| /** | ||
| * ColorModel that handles unsigned 32 bit data. | ||
| * | ||
| * <dl><dt><b>Source code:</b></dt> | ||
| * <dd><a href="https://skyking.microscopy.wisc.edu/trac/java/browser/trunk/components/bio-formats/src/loci/formats/UnsignedIntColorModel.java">Trac</a>, | ||
| * <a href="https://skyking.microscopy.wisc.edu/svn/java/trunk/components/bio-formats/src/loci/formats/UnsignedIntColorModel.java">SVN</a></dd></dl> | ||
| */ | ||
| public class UnsignedIntColorModel extends ColorModel { | ||
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| // -- Fields -- | ||
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| private int pixelBits; | ||
| private int nChannels; | ||
| private ComponentColorModel helper; | ||
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| // -- Constructors -- | ||
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| public UnsignedIntColorModel(int pixelBits, int dataType, int nChannels) | ||
| throws IOException | ||
| { | ||
| super(pixelBits, makeBitArray(nChannels, pixelBits), | ||
| AWTImageTools.makeColorSpace(nChannels), nChannels == 4, false, | ||
| ColorModel.TRANSLUCENT, dataType); | ||
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| helper = new ComponentColorModel(AWTImageTools.makeColorSpace(nChannels), | ||
| nChannels == 4, false, ColorModel.TRANSLUCENT, dataType); | ||
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| this.pixelBits = pixelBits; | ||
| this.nChannels = nChannels; | ||
| } | ||
|
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| // -- ColorModel API methods -- | ||
|
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| /* @see java.awt.image.ColorModel#getDataElements(int, Object) */ | ||
| public synchronized Object getDataElements(int rgb, Object pixel) { | ||
| return helper.getDataElements(rgb, pixel); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#isCompatibleRaster(Raster) */ | ||
| public boolean isCompatibleRaster(Raster raster) { | ||
| return raster.getNumBands() == getNumComponents() && | ||
| raster.getTransferType() == getTransferType(); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#createCompatibleWritableRaster(int, int) */ | ||
| public WritableRaster createCompatibleWritableRaster(int w, int h) { | ||
| return helper.createCompatibleWritableRaster(w, h); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getAlpha(int) */ | ||
| public int getAlpha(int pixel) { | ||
| return (int) (Math.pow(2, 32) - 1); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getBlue(int) */ | ||
| public int getBlue(int pixel) { | ||
| return getComponent(pixel, 3); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getGreen(int) */ | ||
| public int getGreen(int pixel) { | ||
| return getComponent(pixel, 2); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getRed(int) */ | ||
| public int getRed(int pixel) { | ||
| return getComponent(pixel, 1); | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getAlpha(Object) */ | ||
| public int getAlpha(Object data) { | ||
| int max = (int) Math.pow(2, 32) - 1; | ||
| if (data instanceof int[]) { | ||
| int[] i = (int[]) data; | ||
| if (i.length == 1) return getAlpha(i[0]); | ||
| return getAlpha(i.length == 4 ? i[0] : max); | ||
| } | ||
| return max; | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getRed(Object) */ | ||
| public int getRed(Object data) { | ||
| int max = (int) Math.pow(2, 32) - 1; | ||
| if (data instanceof int[]) { | ||
| int[] i = (int[]) data; | ||
| if (i.length == 1) return getRed(i[0]); | ||
| return getRed(i.length != 4 ? i[0] : i[1]); | ||
| } | ||
| return max; | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getGreen(Object) */ | ||
| public int getGreen(Object data) { | ||
| int max = (int) Math.pow(2, 32) - 1; | ||
| if (data instanceof int[]) { | ||
| int[] i = (int[]) data; | ||
| if (i.length == 1) return getGreen(i[0]); | ||
| return getGreen(i.length != 4 ? i[1] : i[2]); | ||
| } | ||
| return max; | ||
| } | ||
|
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| /* @see java.awt.image.ColorModel#getBlue(Object) */ | ||
| public int getBlue(Object data) { | ||
| int max = (int) Math.pow(2, 32) - 1; | ||
| if (data instanceof int[]) { | ||
| int[] i = (int[]) data; | ||
| if (i.length == 1) return getBlue(i[0]); | ||
| return getBlue(i[i.length - 1]); | ||
| } | ||
| return max; | ||
| } | ||
|
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| // -- Helper methods -- | ||
|
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| private int getComponent(int pixel, int index) { | ||
| long v = pixel & 0xffffffffL; | ||
| if (nChannels == 1) { | ||
| double f = v / (Math.pow(2, 32) - 1); | ||
| return (int) (255 * f); | ||
| } | ||
| int shift = (nChannels - index) * 8; | ||
| return (int) (v & (0xff << shift)) >> shift; | ||
| } | ||
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| private static int[] makeBitArray(int nChannels, int nBits) { | ||
| int[] bits = new int[nChannels]; | ||
| for (int i=0; i<bits.length; i++) { | ||
| bits[i] = nBits; | ||
| } | ||
| return bits; | ||
| } | ||
|
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| } |