下面列出了怎么用java.awt.image.PixelInterleavedSampleModel的API类实例代码及写法，或者点击链接到github查看源代码。
public static void main(String[] args) {
byte[][] data = new byte[1][10];
ByteLookupTable lut = new ByteLookupTable(0, data);
RasterOp op = new LookupOp(lut, null);
int[] bandOffsets = {0};
Point location = new Point(0, 0);
DataBuffer db = new DataBufferByte(10 * 10);
SampleModel sm = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE,
10, 10, 1, 10,
bandOffsets);
Raster src = Raster.createRaster(sm, db, location);
op.filter(src, null); // this used to result in NullPointerException
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
@Override
public SampleModel convert(FieldAccessor fa, Instance instance) throws FieldAccessor.InvalidFieldException {
int width = fa.getInt(instance, "width"); // NOI18N
int height = fa.getInt(instance, "height"); // NOI18N
int dataType = fa.getInt(instance, "dataType"); // NOI18N
int pixelStride = fa.getInt(instance, "pixelStride"); // NOI18N
int scanlineStride = fa.getInt(instance, "scanlineStride"); // NOI18N
int[] bandOffsets = fa.getIntArray(instance, "bandOffsets", false); // NOI18N
return new PixelInterleavedSampleModel(dataType, width, height, pixelStride, scanlineStride, bandOffsets);
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
/**
* Create a {@code PixelInterleavedSampleModel} for use in creating
* an {@code ImageTypeSpecifier}. Its dimensions will be 1x1 and
* it will have ascending band offsets as {0, 1, 2, ..., numBands}.
*
* @param dataType The data type (DataBuffer.TYPE_*).
* @param numBands The number of bands.
* @return A {@code PixelInterleavedSampleModel}.
*/
static SampleModel createInterleavedSM(int dataType,
int numBands) {
int[] bandOffsets = new int[numBands];
for(int i = 0; i < numBands; i++) {
bandOffsets[i] = i;
}
return new PixelInterleavedSampleModel(dataType,
1, // width
1, // height
numBands, // pixelStride,
numBands, // scanlineStride
bandOffsets);
}
/**
* Create a {@code PixelInterleavedSampleModel} for use in creating
* an {@code ImageTypeSpecifier}. Its dimensions will be 1x1 and
* it will have ascending band offsets as {0, 1, 2, ..., numBands}.
*
* @param dataType The data type (DataBuffer.TYPE_*).
* @param numBands The number of bands.
* @return A {@code PixelInterleavedSampleModel}.
*/
static SampleModel createInterleavedSM(int dataType,
int numBands) {
int[] bandOffsets = new int[numBands];
for(int i = 0; i < numBands; i++) {
bandOffsets[i] = i;
}
return new PixelInterleavedSampleModel(dataType,
1, // width
1, // height
numBands, // pixelStride,
numBands, // scanlineStride
bandOffsets);
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
public static void main(String[] args) {
Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();
classes.add(ComponentSampleModel.class);
classes.add(MultiPixelPackedSampleModel.class);
classes.add(SinglePixelPackedSampleModel.class);
classes.add(BandedSampleModel.class);
classes.add(PixelInterleavedSampleModel.class);
for (Class<? extends SampleModel> c : classes) {
doTest(c);
}
}
public static void main(String args[]) {
BufferedImage src
= new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);
// Set src pixel values
Color pelColor = new Color(100, 100, 100, 128);
for (int i = 0; i < 10; i++) {
src.setRGB(0, i, pelColor.getRGB());
}
ColorModel cm = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int [] {8,8}, true,
src.getColorModel().isAlphaPremultiplied(),
Transparency.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
SampleModel sm = new PixelInterleavedSampleModel
(DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
new int [] { 0, 1 });
WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));
BufferedImage dst =
new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
dst = dst.getSubimage(0, 0, 1, 10);
ColorConvertOp op = new ColorConvertOp(null);
op.filter(src, dst);
for (int i = 0; i < 10; i++) {
if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
throw new RuntimeException(
"Incorrect destination alpha value.");
}
}
}
/**
* Constructs a ByteInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferByte and
* SampleModel must be of type SinglePixelPackedSampleModel
* or InterleavedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coordinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferShort that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public ByteInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
ByteInterleavedRaster parent) {
super(sampleModel, dataBuffer, aRegion, origin, parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferByte)) {
throw new RasterFormatException("ByteInterleavedRasters must have " +
"byte DataBuffers");
}
DataBufferByte dbb = (DataBufferByte)dataBuffer;
this.data = stealData(dbb, 0);
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
if (sampleModel instanceof PixelInterleavedSampleModel ||
(sampleModel instanceof ComponentSampleModel &&
isInterleaved((ComponentSampleModel)sampleModel))) {
ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
this.scanlineStride = csm.getScanlineStride();
this.pixelStride = csm.getPixelStride();
this.dataOffsets = csm.getBandOffsets();
for (int i = 0; i < getNumDataElements(); i++) {
dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
}
} else if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.packed = true;
this.bitMasks = sppsm.getBitMasks();
this.bitOffsets = sppsm.getBitOffsets();
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbb.getOffset();
dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
} else {
throw new RasterFormatException("ByteInterleavedRasters must " +
"have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
" or interleaved ComponentSampleModel. Sample model is " +
sampleModel);
}
this.bandOffset = this.dataOffsets[0];
this.dbOffsetPacked = dataBuffer.getOffset() -
sampleModelTranslateY*scanlineStride -
sampleModelTranslateX*pixelStride;
this.dbOffset = dbOffsetPacked -
(xOffset*pixelStride+yOffset*scanlineStride);
// Set inOrder to true if the data elements are in order and
// have no gaps between them
this.inOrder = false;
if (numDataElements == pixelStride) {
inOrder = true;
for (int i = 1; i < numDataElements; i++) {
if (dataOffsets[i] - dataOffsets[0] != i) {
inOrder = false;
break;
}
}
}
verify();
}
public Grayscale(int bits,
int dataType,
boolean isSigned,
boolean hasAlpha,
boolean isAlphaPremultiplied)
{
if (bits != 1 && bits != 2 && bits != 4 &&
bits != 8 && bits != 16)
{
throw new IllegalArgumentException("Bad value for bits!");
}
if (dataType != DataBuffer.TYPE_BYTE &&
dataType != DataBuffer.TYPE_SHORT &&
dataType != DataBuffer.TYPE_USHORT)
{
throw new IllegalArgumentException
("Bad value for dataType!");
}
if (bits > 8 && dataType == DataBuffer.TYPE_BYTE) {
throw new IllegalArgumentException
("Too many bits for dataType!");
}
this.bits = bits;
this.dataType = dataType;
this.isSigned = isSigned;
this.hasAlpha = hasAlpha;
this.isAlphaPremultiplied = isAlphaPremultiplied;
ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_GRAY);
if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
(bits == 16 &&
(dataType == DataBuffer.TYPE_SHORT ||
dataType == DataBuffer.TYPE_USHORT))) {
// Use component color model & sample model
int numBands = hasAlpha ? 2 : 1;
int transparency =
hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;
int[] nBits = new int[numBands];
nBits[0] = bits;
if (numBands == 2) {
nBits[1] = bits;
}
this.colorModel =
new ComponentColorModel(colorSpace,
nBits,
hasAlpha,
isAlphaPremultiplied,
transparency,
dataType);
int[] bandOffsets = new int[numBands];
bandOffsets[0] = 0;
if (numBands == 2) {
bandOffsets[1] = 1;
}
int w = 1;
int h = 1;
this.sampleModel =
new PixelInterleavedSampleModel(dataType,
w, h,
numBands, w*numBands,
bandOffsets);
} else {
int numEntries = 1 << bits;
byte[] arr = new byte[numEntries];
for (int i = 0; i < numEntries; i++) {
arr[i] = (byte)(i*255/(numEntries - 1));
}
this.colorModel =
new IndexColorModel(bits, numEntries, arr, arr, arr);
this.sampleModel =
new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
}
}
public Indexed(byte[] redLUT,
byte[] greenLUT,
byte[] blueLUT,
byte[] alphaLUT,
int bits,
int dataType) {
if (redLUT == null || greenLUT == null || blueLUT == null) {
throw new IllegalArgumentException("LUT is null!");
}
if (bits != 1 && bits != 2 && bits != 4 &&
bits != 8 && bits != 16) {
throw new IllegalArgumentException("Bad value for bits!");
}
if (dataType != DataBuffer.TYPE_BYTE &&
dataType != DataBuffer.TYPE_SHORT &&
dataType != DataBuffer.TYPE_USHORT &&
dataType != DataBuffer.TYPE_INT) {
throw new IllegalArgumentException
("Bad value for dataType!");
}
if ((bits > 8 && dataType == DataBuffer.TYPE_BYTE) ||
(bits > 16 && dataType != DataBuffer.TYPE_INT)) {
throw new IllegalArgumentException
("Too many bits for dataType!");
}
int len = 1 << bits;
if (redLUT.length != len ||
greenLUT.length != len ||
blueLUT.length != len ||
(alphaLUT != null && alphaLUT.length != len)) {
throw new IllegalArgumentException("LUT has improper length!");
}
this.redLUT = (byte[])redLUT.clone();
this.greenLUT = (byte[])greenLUT.clone();
this.blueLUT = (byte[])blueLUT.clone();
if (alphaLUT != null) {
this.alphaLUT = (byte[])alphaLUT.clone();
}
this.bits = bits;
this.dataType = dataType;
if (alphaLUT == null) {
this.colorModel = new IndexColorModel(bits,
redLUT.length,
redLUT,
greenLUT,
blueLUT);
} else {
this.colorModel = new IndexColorModel(bits,
redLUT.length,
redLUT,
greenLUT,
blueLUT,
alphaLUT);
}
if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
(bits == 16 &&
(dataType == DataBuffer.TYPE_SHORT ||
dataType == DataBuffer.TYPE_USHORT))) {
int[] bandOffsets = { 0 };
this.sampleModel =
new PixelInterleavedSampleModel(dataType,
1, 1, 1, 1,
bandOffsets);
} else {
this.sampleModel =
new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
}
}
/**
* Constructs a ByteInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferByte and
* SampleModel must be of type SinglePixelPackedSampleModel
* or InterleavedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coordinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferShort that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public ByteInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
ByteInterleavedRaster parent) {
super(sampleModel, dataBuffer, aRegion, origin, parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferByte)) {
throw new RasterFormatException("ByteInterleavedRasters must have " +
"byte DataBuffers");
}
DataBufferByte dbb = (DataBufferByte)dataBuffer;
this.data = stealData(dbb, 0);
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
if (sampleModel instanceof PixelInterleavedSampleModel ||
(sampleModel instanceof ComponentSampleModel &&
isInterleaved((ComponentSampleModel)sampleModel))) {
ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
this.scanlineStride = csm.getScanlineStride();
this.pixelStride = csm.getPixelStride();
this.dataOffsets = csm.getBandOffsets();
for (int i = 0; i < getNumDataElements(); i++) {
dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
}
} else if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.packed = true;
this.bitMasks = sppsm.getBitMasks();
this.bitOffsets = sppsm.getBitOffsets();
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbb.getOffset();
dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
} else {
throw new RasterFormatException("ByteInterleavedRasters must " +
"have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
" or interleaved ComponentSampleModel. Sample model is " +
sampleModel);
}
this.bandOffset = this.dataOffsets[0];
this.dbOffsetPacked = dataBuffer.getOffset() -
sampleModelTranslateY*scanlineStride -
sampleModelTranslateX*pixelStride;
this.dbOffset = dbOffsetPacked -
(xOffset*pixelStride+yOffset*scanlineStride);
// Set inOrder to true if the data elements are in order and
// have no gaps between them
this.inOrder = false;
if (numDataElements == pixelStride) {
inOrder = true;
for (int i = 1; i < numDataElements; i++) {
if (dataOffsets[i] - dataOffsets[0] != i) {
inOrder = false;
break;
}
}
}
verify();
}
public Interleaved(ColorSpace colorSpace,
int[] bandOffsets,
int dataType,
boolean hasAlpha,
boolean isAlphaPremultiplied) {
if (colorSpace == null) {
throw new IllegalArgumentException("colorSpace == null!");
}
if (bandOffsets == null) {
throw new IllegalArgumentException("bandOffsets == null!");
}
int numBands = colorSpace.getNumComponents() +
(hasAlpha ? 1 : 0);
if (bandOffsets.length != numBands) {
throw new IllegalArgumentException
("bandOffsets.length is wrong!");
}
if (dataType != DataBuffer.TYPE_BYTE &&
dataType != DataBuffer.TYPE_SHORT &&
dataType != DataBuffer.TYPE_USHORT &&
dataType != DataBuffer.TYPE_INT &&
dataType != DataBuffer.TYPE_FLOAT &&
dataType != DataBuffer.TYPE_DOUBLE) {
throw new IllegalArgumentException
("Bad value for dataType!");
}
this.colorSpace = colorSpace;
this.bandOffsets = (int[])bandOffsets.clone();
this.dataType = dataType;
this.hasAlpha = hasAlpha;
this.isAlphaPremultiplied = isAlphaPremultiplied;
this.colorModel =
ImageTypeSpecifier.createComponentCM(colorSpace,
bandOffsets.length,
dataType,
hasAlpha,
isAlphaPremultiplied);
int minBandOffset = bandOffsets[0];
int maxBandOffset = minBandOffset;
for (int i = 0; i < bandOffsets.length; i++) {
int offset = bandOffsets[i];
minBandOffset = Math.min(offset, minBandOffset);
maxBandOffset = Math.max(offset, maxBandOffset);
}
int pixelStride = maxBandOffset - minBandOffset + 1;
int w = 1;
int h = 1;
this.sampleModel =
new PixelInterleavedSampleModel(dataType,
w, h,
pixelStride,
w*pixelStride,
bandOffsets);
}
public Grayscale(int bits,
int dataType,
boolean isSigned,
boolean hasAlpha,
boolean isAlphaPremultiplied)
{
if (bits != 1 && bits != 2 && bits != 4 &&
bits != 8 && bits != 16)
{
throw new IllegalArgumentException("Bad value for bits!");
}
if (dataType != DataBuffer.TYPE_BYTE &&
dataType != DataBuffer.TYPE_SHORT &&
dataType != DataBuffer.TYPE_USHORT)
{
throw new IllegalArgumentException
("Bad value for dataType!");
}
if (bits > 8 && dataType == DataBuffer.TYPE_BYTE) {
throw new IllegalArgumentException
("Too many bits for dataType!");
}
this.bits = bits;
this.dataType = dataType;
this.isSigned = isSigned;
this.hasAlpha = hasAlpha;
this.isAlphaPremultiplied = isAlphaPremultiplied;
ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_GRAY);
if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
(bits == 16 &&
(dataType == DataBuffer.TYPE_SHORT ||
dataType == DataBuffer.TYPE_USHORT))) {
// Use component color model & sample model
int numBands = hasAlpha ? 2 : 1;
int transparency =
hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;
int[] nBits = new int[numBands];
nBits[0] = bits;
if (numBands == 2) {
nBits[1] = bits;
}
this.colorModel =
new ComponentColorModel(colorSpace,
nBits,
hasAlpha,
isAlphaPremultiplied,
transparency,
dataType);
int[] bandOffsets = new int[numBands];
bandOffsets[0] = 0;
if (numBands == 2) {
bandOffsets[1] = 1;
}
int w = 1;
int h = 1;
this.sampleModel =
new PixelInterleavedSampleModel(dataType,
w, h,
numBands, w*numBands,
bandOffsets);
} else {
int numEntries = 1 << bits;
byte[] arr = new byte[numEntries];
for (int i = 0; i < numEntries; i++) {
arr[i] = (byte)(i*255/(numEntries - 1));
}
this.colorModel =
new IndexColorModel(bits, numEntries, arr, arr, arr);
this.sampleModel =
new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
}
}
public Indexed(byte[] redLUT,
byte[] greenLUT,
byte[] blueLUT,
byte[] alphaLUT,
int bits,
int dataType) {
if (redLUT == null || greenLUT == null || blueLUT == null) {
throw new IllegalArgumentException("LUT is null!");
}
if (bits != 1 && bits != 2 && bits != 4 &&
bits != 8 && bits != 16) {
throw new IllegalArgumentException("Bad value for bits!");
}
if (dataType != DataBuffer.TYPE_BYTE &&
dataType != DataBuffer.TYPE_SHORT &&
dataType != DataBuffer.TYPE_USHORT &&
dataType != DataBuffer.TYPE_INT) {
throw new IllegalArgumentException
("Bad value for dataType!");
}
if ((bits > 8 && dataType == DataBuffer.TYPE_BYTE) ||
(bits > 16 && dataType != DataBuffer.TYPE_INT)) {
throw new IllegalArgumentException
("Too many bits for dataType!");
}
int len = 1 << bits;
if (redLUT.length != len ||
greenLUT.length != len ||
blueLUT.length != len ||
(alphaLUT != null && alphaLUT.length != len)) {
throw new IllegalArgumentException("LUT has improper length!");
}
this.redLUT = (byte[])redLUT.clone();
this.greenLUT = (byte[])greenLUT.clone();
this.blueLUT = (byte[])blueLUT.clone();
if (alphaLUT != null) {
this.alphaLUT = (byte[])alphaLUT.clone();
}
this.bits = bits;
this.dataType = dataType;
if (alphaLUT == null) {
this.colorModel = new IndexColorModel(bits,
redLUT.length,
redLUT,
greenLUT,
blueLUT);
} else {
this.colorModel = new IndexColorModel(bits,
redLUT.length,
redLUT,
greenLUT,
blueLUT,
alphaLUT);
}
if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
(bits == 16 &&
(dataType == DataBuffer.TYPE_SHORT ||
dataType == DataBuffer.TYPE_USHORT))) {
int[] bandOffsets = { 0 };
this.sampleModel =
new PixelInterleavedSampleModel(dataType,
1, 1, 1, 1,
bandOffsets);
} else {
this.sampleModel =
new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
}
}