+++ /dev/null
-/* Copyright (C) 2000, 2001, 2002 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., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 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;
-
-/**
- * @author Rolf W. Rasmussen <rolfwr@ii.uib.no>
- */
-public abstract class SampleModel
-{
- /** Width of image described. */
- protected int width;
-
- /** Height of image described. */
- protected int height;
-
- /** Number of bands in the image described. */
- protected int numBands;
-
- /**
- * The DataBuffer type that is used to store the data of the image
- * described.
- */
- protected int dataType;
-
- public SampleModel(int dataType, int w, int h, int numBands)
- {
- if ((w<=0) || (h<=0)) throw new IllegalArgumentException();
-
- // FIXME: How can an int be greater than Integer.MAX_VALUE?
- // FIXME: How do we identify an unsupported data type?
-
- this.dataType = dataType;
- this.width = w;
- this.height = h;
- this.numBands = numBands;
- }
-
- public final int getWidth()
- {
- return width;
- }
-
- public final int getHeight()
- {
- return height;
- }
-
- public final int getNumBands()
- {
- return numBands;
- }
-
- public abstract int getNumDataElements();
-
- public final int getDataType()
- {
- return dataType;
- }
-
- public int getTransferType()
- {
- // FIXME: Is this a reasonable default implementation?
- return dataType;
- }
-
- public int[] getPixel(int x, int y, int[] iArray, DataBuffer data)
- {
- if (iArray == null) iArray = new int[numBands];
- for (int b=0; b<numBands; b++) iArray[b] = getSample(x, y, b, data);
- return iArray;
- }
-
- /**
- *
- * This method is provided as a faster alternative to getPixel(),
- * that can be used when there is no need to decode the pixel into
- * separate sample values.
- *
- * @param obj An array to return the pixel data in. If null, an
- * array of the right type and size will be created.
- *
- * @return A single pixel as an array object of a primitive type,
- * based on the transfer type. Eg. if transfer type is
- * DataBuffer.TYPE_USHORT, then a short[] object is returned.
- */
- public abstract Object getDataElements(int x, int y, Object obj,
- DataBuffer data);
-
-
- public Object getDataElements(int x, int y, int w, int h, Object obj,
- DataBuffer data)
- {
- int size = w*h;
- int numDataElements = getNumDataElements();
- int dataSize = numDataElements*size;
-
- if (obj == null)
- {
- switch (getTransferType())
- {
- case DataBuffer.TYPE_BYTE:
- obj = new byte[dataSize];
- break;
- case DataBuffer.TYPE_USHORT:
- obj = new short[dataSize];
- break;
- case DataBuffer.TYPE_INT:
- obj = new int[dataSize];
- break;
- default:
- // Seems like the only sensible thing to do.
- throw new ClassCastException();
- }
- }
- Object pixelData = null;
- int outOffset = 0;
- for (int yy = y; yy<(y+h); yy++)
- {
- for (int xx = x; xx<(x+w); xx++)
- {
- pixelData = getDataElements(xx, yy, pixelData, data);
- System.arraycopy(pixelData, 0, obj, outOffset,
- numDataElements);
- outOffset += numDataElements;
- }
- }
- return obj;
- }
-
- public abstract void setDataElements(int x, int y, Object obj,
- DataBuffer data);
-
- public void setDataElements(int x, int y, int w, int h,
- Object obj, DataBuffer data)
- {
- int size = w*h;
- int numDataElements = getNumDataElements();
- int dataSize = numDataElements*size;
-
- Object pixelData;
- switch (getTransferType())
- {
- case DataBuffer.TYPE_BYTE:
- pixelData = new byte[numDataElements];
- break;
- case DataBuffer.TYPE_USHORT:
- pixelData = new short[numDataElements];
- break;
- case DataBuffer.TYPE_INT:
- pixelData = new int[numDataElements];
- break;
- default:
- // Seems like the only sensible thing to do.
- throw new ClassCastException();
- }
- int inOffset = 0;
-
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- System.arraycopy(obj, inOffset, pixelData, 0,
- numDataElements);
- setDataElements(xx, yy, pixelData, data);
- inOffset += numDataElements;
- }
- }
- }
-
- public float[] getPixel(int x, int y, float[] fArray, DataBuffer data)
- {
- if (fArray == null) fArray = new float[numBands];
-
- for (int b=0; b<numBands; b++)
- {
- fArray[b] = getSampleFloat(x, y, b, data);
- }
- return fArray;
- }
-
- public double[] getPixel(int x, int y, double[] dArray, DataBuffer data) {
- if (dArray == null) dArray = new double[numBands];
- for (int b=0; b<numBands; b++)
- {
- dArray[b] = getSampleDouble(x, y, b, data);
- }
- return dArray;
- }
-
- /* FIXME: Should it return a banded or pixel interleaved array of
- samples? (Assume interleaved.) */
- public int[] getPixels(int x, int y, int w, int h, int[] iArray,
- DataBuffer data)
- {
- int size = w*h;
- int outOffset = 0;
- int[] pixel = null;
- if (iArray == null) iArray = new int[w*h*numBands];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- getPixel(xx, yy, pixel, data);
- System.arraycopy(pixel, 0, iArray, outOffset, numBands);
- outOffset += numBands;
- }
- }
- return iArray;
- }
-
- /* FIXME: Should it return a banded or pixel interleaved array of
- samples? (Assume interleaved.) */
- public float[] getPixels(int x, int y, int w, int h, float[] fArray,
- DataBuffer data)
- {
- int size = w*h;
- int outOffset = 0;
- float[] pixel = null;
- if (fArray == null) fArray = new float[w*h*numBands];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- getPixel(xx, yy, pixel, data);
- System.arraycopy(pixel, 0, fArray, outOffset, numBands);
- outOffset += numBands;
- }
- }
- return fArray;
- }
-
- /* FIXME: Should it return a banded or pixel interleaved array of
- samples? (Assume interleaved.) */
- public double[] getPixels(int x, int y, int w, int h, double[] dArray,
- DataBuffer data)
- {
- int size = w*h;
- int outOffset = 0;
- double[] pixel = null;
- if (dArray == null) dArray = new double[w*h*numBands];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- getPixel(xx, yy, pixel, data);
- System.arraycopy(pixel, 0, dArray, outOffset, numBands);
- outOffset += numBands;
- }
- }
- return dArray;
- }
-
- public abstract int getSample(int x, int y, int b, DataBuffer data);
-
- public float getSampleFloat(int x, int y, int b, DataBuffer data)
- {
- return getSample(x, y, b, data);
- }
-
- public double getSampleDouble(int x, int y, int b, DataBuffer data)
- {
- return getSampleFloat(x, y, b, data);
- }
-
- public int[] getSamples(int x, int y, int w, int h, int b,
- int[] iArray, DataBuffer data)
- {
- int size = w*h;
- int outOffset = 0;
- if (iArray == null) iArray = new int[size];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- iArray[outOffset++] = getSample(xx, yy, b, data);
- }
- }
- return iArray;
- }
-
- public float[] getSamples(int x, int y, int w, int h, int b,
- float[] fArray, DataBuffer data)
- {
- int size = w*h;
- int outOffset = 0;
- if (fArray == null) fArray = new float[size];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- fArray[outOffset++] = getSampleFloat(xx, yy, b, data);
- }
- }
- return fArray;
- }
-
- public double[] getSamples(int x, int y, int w, int h, int b,
- double[] dArray, DataBuffer data)
- {
- int size = w*h;
- int outOffset = 0;
- if (dArray == null) dArray = new double[size];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- dArray[outOffset++] = getSampleDouble(xx, yy, b, data);
- }
- }
- return dArray;
- }
-
- public void setPixel(int x, int y, int[] iArray, DataBuffer data)
- {
- for (int b=0; b<numBands; b++) setSample(x, y, b, iArray[b], data);
- }
-
- public void setPixel(int x, int y, float[] fArray, DataBuffer data)
- {
- for (int b=0; b<numBands; b++) setSample(x, y, b, fArray[b], data);
- }
-
- public void setPixel(int x, int y, double[] dArray, DataBuffer data)
- {
- for (int b=0; b<numBands; b++) setSample(x, y, b, dArray[b], data);
- }
-
- public void setPixels(int x, int y, int w, int h, int[] iArray,
- DataBuffer data)
- {
- int inOffset = 0;
- int[] pixel = new int[numBands];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- System.arraycopy(iArray, inOffset, pixel, 0, numBands);
- setPixel(xx, yy, pixel, data);
- inOffset += numBands;
- }
- }
- }
-
- public void setPixels(int x, int y, int w, int h, float[] fArray,
- DataBuffer data)
- {
- int inOffset = 0;
- float[] pixel = new float[numBands];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- System.arraycopy(fArray, inOffset, pixel, 0, numBands);
- setPixel(xx, yy, pixel, data);
- inOffset += numBands;
- }
- }
- }
-
- public void setPixels(int x, int y, int w, int h, double[] dArray,
- DataBuffer data)
- {
- int inOffset = 0;
- double[] pixel = new double[numBands];
- for (int yy=y; yy<(y+h); yy++)
- {
- for (int xx=x; xx<(x+w); xx++)
- {
- System.arraycopy(dArray, inOffset, pixel, 0, numBands);
- setPixel(xx, yy, pixel, data);
- inOffset += numBands;
- }
- }
- }
-
- public abstract void setSample(int x, int y, int b, int s,
- DataBuffer data);
-
- public void setSample(int x, int y, int b, float s,
- DataBuffer data)
- {
- setSample(x, y, b, (int) s, data);
- }
-
- public void setSample(int x, int y, int b, double s,
- DataBuffer data)
- {
- setSample(x, y, b, (float) s, data);
- }
-
- public void setSamples(int x, int y, int w, int h, int b,
- int[] iArray, DataBuffer data)
- {
- int size = w*h;
- int inOffset = 0;
- for (int yy=y; yy<(y+h); yy++)
- for (int xx=x; xx<(x+w); xx++)
- setSample(xx, yy, b, iArray[inOffset++], data);
- }
-
- public void setSamples(int x, int y, int w, int h, int b,
- float[] fArray, DataBuffer data)
- {
- int size = w*h;
- int inOffset = 0;
- for (int yy=y; yy<(y+h); yy++)
- for (int xx=x; xx<(x+w); xx++)
- setSample(xx, yy, b, fArray[inOffset++], data);
-
- }
-
- public void setSamples(int x, int y, int w, int h, int b,
- double[] dArray, DataBuffer data) {
- int size = w*h;
- int inOffset = 0;
- for (int yy=y; yy<(y+h); yy++)
- for (int xx=x; xx<(x+w); xx++)
- setSample(xx, yy, b, dArray[inOffset++], data);
- }
-
- public abstract SampleModel createCompatibleSampleModel(int w, int h);
-
- public abstract SampleModel createSubsetSampleModel(int[] bands);
-
- public abstract DataBuffer createDataBuffer();
-
- public abstract int[] getSampleSize();
-
- public abstract int getSampleSize(int band);
-}
projects / msp430-gcc.git / blobdiff