下面列出了怎么用java.awt.image.SinglePixelPackedSampleModel的API类实例代码及写法,或者点击链接到github查看源代码。
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
private static byte[] extractDirectRGBInt( int aWidth, int aHeight, DirectColorModel aColorModel, SinglePixelPackedSampleModel aSampleModel, DataBufferInt aDataBuffer ) {
byte[] out = new byte[ aWidth * aHeight * 3 ];
int rMask = aColorModel.getRedMask();
int gMask = aColorModel.getGreenMask();
int bMask = aColorModel.getBlueMask();
int rShift = getShift( rMask );
int gShift = getShift( gMask );
int bShift = getShift( bMask );
int[] bank = aDataBuffer.getBankData()[ 0 ];
int scanlineStride = aSampleModel.getScanlineStride();
int scanIx = 0;
for ( int b = 0, y = 0; y < aHeight; y++ ) {
int pixIx = scanIx;
for ( int x = 0; x < aWidth; x++, b += 3 ) {
int pixel = bank[ pixIx++ ];
out[ b ] = ( byte ) ( ( pixel & rMask ) >>> rShift );
out[ b + 1 ] = ( byte ) ( ( pixel & gMask ) >>> gShift );
out[ b + 2 ] = ( byte ) ( ( pixel & bMask ) >>> bShift );
}
scanIx += scanlineStride;
}
return out;
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
public CustomRenderedImage(
int worldX,
int worldY,
int width,
int height,
BiomeProfileSelection biomeProfileSelection,
BiomeDataOracle biomeDataOracle,
boolean useQuarterResolution,
ProgressReporter<Entry<ProgressEntryType, Integer>> progressReporter) {
this.useQuarterResolution = useQuarterResolution;
this.resolutionFactor = useQuarterResolution ? 4 : 1;
this.worldX = worldX;
this.worldY = worldY;
this.width = width;
this.height = height;
this.colorModel = new DirectColorModel(24, BITMASKS[0], BITMASKS[1], BITMASKS[2]);
this.sampleModel = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, width, height, BITMASKS);
this.biomeProfileSelection = biomeProfileSelection;
this.biomeDataOracle = biomeDataOracle;
this.progressReporter = progressReporter;
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
int dataType= type.getSampleModel().getDataType();
if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
return false;
SampleModel sm = type.getSampleModel();
int numBands = sm.getNumBands();
if (!(numBands == 1 || numBands == 3))
return false;
if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
return false;
if (dataType > DataBuffer.TYPE_BYTE &&
!(sm instanceof SinglePixelPackedSampleModel))
return false;
return true;
}
public static int getElementSize(SampleModel sm) {
int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());
if (sm instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel mppsm =
(MultiPixelPackedSampleModel)sm;
return mppsm.getSampleSize(0) * mppsm.getNumBands();
} else if (sm instanceof ComponentSampleModel) {
return sm.getNumBands() * elementSize;
} else if (sm instanceof SinglePixelPackedSampleModel) {
return elementSize;
}
return elementSize * sm.getNumBands();
}
/**
* {@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;
}
private static void doTest(int dataType) {
int maxSize = DataBuffer.getDataTypeSize(dataType);
System.out.println("Type size: " + maxSize);
int theMask = (int)(1L << (maxSize + 2)) - 1;
System.out.printf("theMask=%x\n", theMask);
SinglePixelPackedSampleModel sm =
new SinglePixelPackedSampleModel(dataType, w, h,
new int[] { theMask });
int[] sampleSize = sm.getSampleSize();
for (int s : sampleSize) {
if (s > maxSize) {
throw new RuntimeException("Test failed: sample size is too big:" + s);
}
}
System.out.println("Test medialib...");
DataBuffer buf = createDataBuffer(dataType);
WritableRaster wr = Raster.createWritableRaster(sm, buf, null);
op.filter(wr, null);
System.out.println("Test PASSED.");
}
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);
}
}
private static void doTest(int dataType) {
int maxSize = DataBuffer.getDataTypeSize(dataType);
System.out.println("Type size: " + maxSize);
int theMask = (int)(1L << (maxSize + 2)) - 1;
System.out.printf("theMask=%x\n", theMask);
SinglePixelPackedSampleModel sm =
new SinglePixelPackedSampleModel(dataType, w, h,
new int[] { theMask });
int[] sampleSize = sm.getSampleSize();
for (int s : sampleSize) {
if (s > maxSize) {
throw new RuntimeException("Test failed: sample size is too big:" + s);
}
}
System.out.println("Test medialib...");
DataBuffer buf = createDataBuffer(dataType);
WritableRaster wr = Raster.createWritableRaster(sm, buf, null);
op.filter(wr, null);
System.out.println("Test PASSED.");
}
/**
* {@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 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);
}
}
@Override
public boolean canEncodeImage( ImageTypeSpecifier type ) {
ColorModel colorModel = type.getColorModel();
SampleModel sampleModel = type.getSampleModel();
int transferType = sampleModel.getTransferType();
if ( colorModel instanceof ComponentColorModel ) {
if ( !( sampleModel instanceof ComponentSampleModel ) ) {
return false;
}
if ( transferType != DataBuffer.TYPE_BYTE && transferType != DataBuffer.TYPE_INT ) {
return false;
}
}
else if ( colorModel instanceof DirectColorModel ) {
if ( !( sampleModel instanceof SinglePixelPackedSampleModel ) ) {
return false;
}
if ( transferType != DataBuffer.TYPE_INT ) {
return false;
}
}
ColorSpace colorSpace = colorModel.getColorSpace();
if ( !( colorSpace.isCS_sRGB() ) ) {
return false;
}
int[] sampleSize = sampleModel.getSampleSize();
for ( int i = 0; i < sampleSize.length; i++ ) {
if ( sampleSize[ i ] > 8 ) {
return false;
}
}
return true;
}
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);
}
}
private static void doTest(int dataType) {
int maxSize = DataBuffer.getDataTypeSize(dataType);
System.out.println("Type size: " + maxSize);
int theMask = (int)(1L << (maxSize + 2)) - 1;
System.out.printf("theMask=%x\n", theMask);
SinglePixelPackedSampleModel sm =
new SinglePixelPackedSampleModel(dataType, w, h,
new int[] { theMask });
int[] sampleSize = sm.getSampleSize();
for (int s : sampleSize) {
if (s > maxSize) {
throw new RuntimeException("Test failed: sample size is too big:" + s);
}
}
System.out.println("Test medialib...");
DataBuffer buf = createDataBuffer(dataType);
WritableRaster wr = Raster.createWritableRaster(sm, buf, null);
op.filter(wr, null);
System.out.println("Test PASSED.");
}
/**
* {@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,
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();
}
private static void doTest(int dataType) {
int maxSize = DataBuffer.getDataTypeSize(dataType);
System.out.println("Type size: " + maxSize);
int theMask = (int)(1L << (maxSize + 2)) - 1;
System.out.printf("theMask=%x\n", theMask);
SinglePixelPackedSampleModel sm =
new SinglePixelPackedSampleModel(dataType, w, h,
new int[] { theMask });
int[] sampleSize = sm.getSampleSize();
for (int s : sampleSize) {
if (s > maxSize) {
throw new RuntimeException("Test failed: sample size is too big:" + s);
}
}
System.out.println("Test medialib...");
DataBuffer buf = createDataBuffer(dataType);
WritableRaster wr = Raster.createWritableRaster(sm, buf, null);
op.filter(wr, null);
System.out.println("Test PASSED.");
}