下面列出了java.awt.image.DataBufferInt#getOffset() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBufferInt dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent)
{
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
this.data = stealData(dataBuffer, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dataBuffer.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* {@inheritDoc}
*/
public final Raster getRaster(int x, int y, int w, int h) {
// If working raster is big enough, reuse it. Otherwise,
// build a large enough new one.
Raster raster = saved;
if (raster == null ||
raster.getWidth() < w || raster.getHeight() < h)
{
raster = getCachedRaster(model, w, h);
saved = raster;
}
// Access raster internal int array. Because we use a DirectColorModel,
// we know the DataBuffer is of type DataBufferInt and the SampleModel
// is SinglePixelPackedSampleModel.
// Adjust for initial offset in DataBuffer and also for the scanline
// stride.
// These calls make the DataBuffer non-acceleratable, but the
// Raster is never Stable long enough to accelerate anyway...
DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
int[] pixels = rasterDB.getData(0);
int off = rasterDB.getOffset();
int scanlineStride = ((SinglePixelPackedSampleModel)
raster.getSampleModel()).getScanlineStride();
int adjust = scanlineStride - w;
fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass
return raster;
}
public void compose(Raster src, Raster dstIn, WritableRaster dstOut) {
int w = src.getWidth();
int h = src.getHeight();
DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer();
DataBufferInt dstOutDB = (DataBufferInt) dstOut.getDataBuffer();
int srcRGB[] = srcDB.getBankData()[0];
int dstOutRGB[] = dstOutDB.getBankData()[0];
int srcOffset = srcDB.getOffset();
int dstOutOffset = dstOutDB.getOffset();
int srcScanStride = ((SinglePixelPackedSampleModel) src.getSampleModel()).getScanlineStride();
int dstOutScanStride = ((SinglePixelPackedSampleModel) dstOut.getSampleModel()).getScanlineStride();
int srcAdjust = srcScanStride - w;
int dstOutAdjust = dstOutScanStride - w;
int si = srcOffset;
int doi = dstOutOffset;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
dstOutRGB[doi] = srcRGB[si] ^ 0x00ffffff;
si++;
doi++;
}
si += srcAdjust;
doi += dstOutAdjust;
}
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
public void compose(Raster src, Raster dstIn, WritableRaster dstOut) {
int w = src.getWidth();
int h = src.getHeight();
DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer();
DataBufferInt dstOutDB = (DataBufferInt) dstOut.getDataBuffer();
int srcRGB[] = srcDB.getBankData()[0];
int dstOutRGB[] = dstOutDB.getBankData()[0];
int srcOffset = srcDB.getOffset();
int dstOutOffset = dstOutDB.getOffset();
int srcScanStride = ((SinglePixelPackedSampleModel) src.getSampleModel()).getScanlineStride();
int dstOutScanStride = ((SinglePixelPackedSampleModel) dstOut.getSampleModel()).getScanlineStride();
int srcAdjust = srcScanStride - w;
int dstOutAdjust = dstOutScanStride - w;
int si = srcOffset;
int doi = dstOutOffset;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
dstOutRGB[doi] = srcRGB[si] ^ 0x00ffffff;
si++;
doi++;
}
si += srcAdjust;
doi += dstOutAdjust;
}
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* {@inheritDoc}
*/
public final Raster getRaster(int x, int y, int w, int h) {
// If working raster is big enough, reuse it. Otherwise,
// build a large enough new one.
Raster raster = saved;
if (raster == null ||
raster.getWidth() < w || raster.getHeight() < h)
{
raster = getCachedRaster(model, w, h);
saved = raster;
}
// Access raster internal int array. Because we use a DirectColorModel,
// we know the DataBuffer is of type DataBufferInt and the SampleModel
// is SinglePixelPackedSampleModel.
// Adjust for initial offset in DataBuffer and also for the scanline
// stride.
// These calls make the DataBuffer non-acceleratable, but the
// Raster is never Stable long enough to accelerate anyway...
DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
int[] pixels = rasterDB.getData(0);
int off = rasterDB.getOffset();
int scanlineStride = ((SinglePixelPackedSampleModel)
raster.getSampleModel()).getScanlineStride();
int adjust = scanlineStride - w;
fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass
return raster;
}
/**
* {@inheritDoc}
*/
public final Raster getRaster(int x, int y, int w, int h) {
// If working raster is big enough, reuse it. Otherwise,
// build a large enough new one.
Raster raster = saved;
if (raster == null ||
raster.getWidth() < w || raster.getHeight() < h)
{
raster = getCachedRaster(model, w, h);
saved = raster;
}
// Access raster internal int array. Because we use a DirectColorModel,
// we know the DataBuffer is of type DataBufferInt and the SampleModel
// is SinglePixelPackedSampleModel.
// Adjust for initial offset in DataBuffer and also for the scanline
// stride.
// These calls make the DataBuffer non-acceleratable, but the
// Raster is never Stable long enough to accelerate anyway...
DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
int[] pixels = rasterDB.getData(0);
int off = rasterDB.getOffset();
int scanlineStride = ((SinglePixelPackedSampleModel)
raster.getSampleModel()).getScanlineStride();
int adjust = scanlineStride - w;
fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass
return raster;
}
public void compose(Raster src, Raster dstIn, WritableRaster dstOut) {
int w = src.getWidth();
int h = src.getHeight();
DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer();
DataBufferInt dstOutDB = (DataBufferInt) dstOut.getDataBuffer();
int srcRGB[] = srcDB.getBankData()[0];
int dstOutRGB[] = dstOutDB.getBankData()[0];
int srcOffset = srcDB.getOffset();
int dstOutOffset = dstOutDB.getOffset();
int srcScanStride = ((SinglePixelPackedSampleModel) src.getSampleModel()).getScanlineStride();
int dstOutScanStride = ((SinglePixelPackedSampleModel) dstOut.getSampleModel()).getScanlineStride();
int srcAdjust = srcScanStride - w;
int dstOutAdjust = dstOutScanStride - w;
int si = srcOffset;
int doi = dstOutOffset;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
dstOutRGB[doi] = srcRGB[si] ^ 0x00ffffff;
si++;
doi++;
}
si += srcAdjust;
doi += dstOutAdjust;
}
}
/**
* {@inheritDoc}
*/
public final Raster getRaster(int x, int y, int w, int h) {
// If working raster is big enough, reuse it. Otherwise,
// build a large enough new one.
Raster raster = saved;
if (raster == null ||
raster.getWidth() < w || raster.getHeight() < h)
{
raster = getCachedRaster(model, w, h);
saved = raster;
}
// Access raster internal int array. Because we use a DirectColorModel,
// we know the DataBuffer is of type DataBufferInt and the SampleModel
// is SinglePixelPackedSampleModel.
// Adjust for initial offset in DataBuffer and also for the scanline
// stride.
// These calls make the DataBuffer non-acceleratable, but the
// Raster is never Stable long enough to accelerate anyway...
DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
int[] pixels = rasterDB.getData(0);
int off = rasterDB.getOffset();
int scanlineStride = ((SinglePixelPackedSampleModel)
raster.getSampleModel()).getScanlineStride();
int adjust = scanlineStride - w;
fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass
return raster;
}
/**
* Constructs a IntegerInterleavedRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerInterleavedRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerInterleavedRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerInterleavedRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerInterleavedRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerComponentRaster(SampleModel sampleModel,
DataBufferInt dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent)
{
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (dataBuffer.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dataBuffer, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dataBuffer.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate 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 DataBufferInt 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 IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}