下面列出了java.awt.image.Raster#getSampleModel() 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。
/**
* Get datasets from an image
* @param image
* @param keepBitWidth if true, then use signed primitives of same bit width for possibly unsigned data
* @return array of datasets
*/
static public Dataset[] makeDatasets(final BufferedImage image, boolean keepBitWidth) {
// make raster from buffered image
final Raster ras = image.getData();
final SampleModel sm = ras.getSampleModel();
int[] dtype = getDTypeFromImage(sm, keepBitWidth);
final int bands = ras.getNumBands();
Dataset[] data = new Dataset[bands];
createDatasets(ras, data, dtype[0]);
if (dtype[1] == 1) {
for (int i = 0; i < bands; i++) {
tagIntForShortDataset(data[i]);
}
}
return data;
}
private void updateRaster(Raster raster, int x, int y, int w, int h, ByteBuf img) {
final DataBuffer data = raster.getDataBuffer();
final SampleModel model = raster.getSampleModel();
int x1 = x + w;
int y1 = y + h;
byte[] buffer = new byte[model.getNumDataElements()];
for (int i = y; i < y1; i++) {
for (int j = x; j < x1; j++) {
img.readBytes(buffer);
model.setDataElements(j, i, buffer, data);
}
}
}
/**
* Returns the most efficient FormatTag that is compatible with
* the destination raster and all source rasters.
*
* @param srcs the source <code>Raster</code>; may be <code>null</code>.
* @param dst the destination <code>Raster</code>.
*/
public static int findCompatibleTag(Raster src) {
SampleModel dstSM = src.getSampleModel();
int dstDT = dstSM.getDataType();
int defaultDataType = dstSM.getDataType();
boolean allComponentSampleModel =
dstSM instanceof ComponentSampleModel;
boolean allBinary = ImageUtil.isBinary(dstSM);
if(allBinary) {
// The copy flag is not set until the mediaLibImage is
// created as knowing this information requires too much
// processing to determine here.
return DataBuffer.TYPE_BYTE | BINARY;
}
if (!allComponentSampleModel) {
if ((defaultDataType == DataBuffer.TYPE_BYTE) ||
(defaultDataType == DataBuffer.TYPE_USHORT) ||
(defaultDataType == DataBuffer.TYPE_SHORT)) {
defaultDataType = DataBuffer.TYPE_INT;
}
}
int tag = defaultDataType | COPIED;
if (!allComponentSampleModel) {
return tag;
}
if (isPixelSequential(dstSM))
return dstDT | UNCOPIED;
return tag;
}
/**
* Constructs a SingleTileRenderedImage based on a Raster
* and a ColorModel.
*
* @param ras A Raster that will define tile (0, 0) of the image.
* @param colorModel A ColorModel that will serve as the image's
* ColorModel.
*/
public SingleTileRenderedImage(Raster ras, ColorModel colorModel) {
this.ras = ras;
this.tileGridXOffset = this.minX = ras.getMinX();
this.tileGridYOffset = this.minY = ras.getMinY();
this.tileWidth = this.width = ras.getWidth();
this.tileHeight = this.height = ras.getHeight();
this.sampleModel = ras.getSampleModel();
this.colorModel = colorModel;
}
/**
* Constructs a SingleTileRenderedImage based on a Raster
* and a ColorModel.
*
* @param ras A Raster that will define tile (0, 0) of the image.
* @param colorModel A ColorModel that will serve as the image's
* ColorModel.
*/
public SingleTileRenderedImage(Raster ras, ColorModel colorModel) {
this.ras = ras;
this.tileGridXOffset = this.minX = ras.getMinX();
this.tileGridYOffset = this.minY = ras.getMinY();
this.tileWidth = this.width = ras.getWidth();
this.tileHeight = this.height = ras.getHeight();
this.sampleModel = ras.getSampleModel();
this.colorModel = colorModel;
}
/** Constructs a DirectRasterAccessor object */
public DirectRasterAccessor(Raster raster, ColorModel cm) {
DataBuffer db = raster.getDataBuffer();
offsetX = raster.getMinX()-raster.getSampleModelTranslateX();
offsetY = raster.getMinY()-raster.getSampleModelTranslateY();
if (!(db instanceof DataBufferByte)) {
throw new RuntimeException("DataBuffer of Raster not of correct type " +
"(expected DataBufferByte, got " +
db.getClass().getName() + ")");
}
DataBufferByte dbb = (DataBufferByte) db;
SampleModel sm = raster.getSampleModel();
if (!(sm instanceof MultiPixelPackedSampleModel)) {
throw new RuntimeException("SampleModel of Raster not of correct type " +
"(expected MultiPixelPackedSampleModel, got " +
sm.getClass().getName() + ")");
}
MultiPixelPackedSampleModel mppsm = (MultiPixelPackedSampleModel) sm;
data = dbb.getData();
scanlineStride = mppsm.getScanlineStride();
if (cm.getRGB(0) == Color.white.getRGB()) {
white = 0;
black = 1;
} else {
white = 1;
black = 0;
}
}
/** Bytewise OR of the black pixels */
private void byteLoop(Raster src0, Raster src1,
WritableRaster dst, Rectangle dstRect) {
int w = dst.getWidth();
int h = dst.getHeight();
DataBufferByte src0db = (DataBufferByte) src0.getDataBuffer();
DataBufferByte src1db = (DataBufferByte) src1.getDataBuffer();
DataBufferByte dstdb = (DataBufferByte) dst.getDataBuffer();
byte src0Data[] = src0db.getData();
byte src1Data[] = src1db.getData();
byte dstData[] = dstdb.getData();
MultiPixelPackedSampleModel src0sm =
(MultiPixelPackedSampleModel) src0.getSampleModel();
MultiPixelPackedSampleModel src1sm =
(MultiPixelPackedSampleModel) src1.getSampleModel();
MultiPixelPackedSampleModel dstsm =
(MultiPixelPackedSampleModel) dst.getSampleModel();
int src0ScanlineStride = src0sm.getScanlineStride();
int src1ScanlineStride = src1sm.getScanlineStride();
int dstScanlineStride = dstsm.getScanlineStride();
int white = getWhite();
if (white == 0) {
for (int offset = 0; offset < h*dstScanlineStride; offset++) {
dstData[offset] = (byte) (src0Data[offset] | src1Data[offset]);
}
} else {
for (int offset = 0; offset < h*dstScanlineStride; offset++) {
dstData[offset] = (byte) (src0Data[offset] & src1Data[offset]);
}
}
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
/**
* The runnable method for this class. This will produce an image using
* the current RenderableImage and RenderContext and send it to all the
* ImageConsumer currently registered with this class.
*/
public void run() {
// First get the rendered image
RenderedImage rdrdImage;
if (rc != null) {
rdrdImage = rdblImage.createRendering(rc);
} else {
rdrdImage = rdblImage.createDefaultRendering();
}
// And its ColorModel
ColorModel colorModel = rdrdImage.getColorModel();
Raster raster = rdrdImage.getData();
SampleModel sampleModel = raster.getSampleModel();
DataBuffer dataBuffer = raster.getDataBuffer();
if (colorModel == null) {
colorModel = ColorModel.getRGBdefault();
}
int minX = raster.getMinX();
int minY = raster.getMinY();
int width = raster.getWidth();
int height = raster.getHeight();
Enumeration<ImageConsumer> icList;
ImageConsumer ic;
// Set up the ImageConsumers
icList = ics.elements();
while (icList.hasMoreElements()) {
ic = icList.nextElement();
ic.setDimensions(width,height);
ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT |
ImageConsumer.COMPLETESCANLINES |
ImageConsumer.SINGLEPASS |
ImageConsumer.SINGLEFRAME);
}
// Get RGB pixels from the raster scanline by scanline and
// send to consumers.
int[] pix = new int[width];
int i,j;
int numBands = sampleModel.getNumBands();
int[] tmpPixel = new int[numBands];
for (j = 0; j < height; j++) {
for(i = 0; i < width; i++) {
sampleModel.getPixel(i, j, tmpPixel, dataBuffer);
pix[i] = colorModel.getDataElement(tmpPixel, 0);
}
// Now send the scanline to the Consumers
icList = ics.elements();
while (icList.hasMoreElements()) {
ic = icList.nextElement();
ic.setPixels(0, j, width, 1, colorModel, pix, 0, width);
}
}
// Now tell the consumers we're done.
icList = ics.elements();
while (icList.hasMoreElements()) {
ic = icList.nextElement();
ic.imageComplete(ImageConsumer.STATICIMAGEDONE);
}
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
/**
* The runnable method for this class. This will produce an image using
* the current RenderableImage and RenderContext and send it to all the
* ImageConsumer currently registered with this class.
*/
public void run() {
// First get the rendered image
RenderedImage rdrdImage;
if (rc != null) {
rdrdImage = rdblImage.createRendering(rc);
} else {
rdrdImage = rdblImage.createDefaultRendering();
}
// And its ColorModel
ColorModel colorModel = rdrdImage.getColorModel();
Raster raster = rdrdImage.getData();
SampleModel sampleModel = raster.getSampleModel();
DataBuffer dataBuffer = raster.getDataBuffer();
if (colorModel == null) {
colorModel = ColorModel.getRGBdefault();
}
int minX = raster.getMinX();
int minY = raster.getMinY();
int width = raster.getWidth();
int height = raster.getHeight();
Enumeration<ImageConsumer> icList;
ImageConsumer ic;
// Set up the ImageConsumers
icList = ics.elements();
while (icList.hasMoreElements()) {
ic = icList.nextElement();
ic.setDimensions(width,height);
ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT |
ImageConsumer.COMPLETESCANLINES |
ImageConsumer.SINGLEPASS |
ImageConsumer.SINGLEFRAME);
}
// Get RGB pixels from the raster scanline by scanline and
// send to consumers.
int pix[] = new int[width];
int i,j;
int numBands = sampleModel.getNumBands();
int tmpPixel[] = new int[numBands];
for (j = 0; j < height; j++) {
for(i = 0; i < width; i++) {
sampleModel.getPixel(i, j, tmpPixel, dataBuffer);
pix[i] = colorModel.getDataElement(tmpPixel, 0);
}
// Now send the scanline to the Consumers
icList = ics.elements();
while (icList.hasMoreElements()) {
ic = icList.nextElement();
ic.setPixels(0, j, width, 1, colorModel, pix, 0, width);
}
}
// Now tell the consumers we're done.
icList = ics.elements();
while (icList.hasMoreElements()) {
ic = icList.nextElement();
ic.imageComplete(ImageConsumer.STATICIMAGEDONE);
}
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
public ModifiedRaster(Raster r) {
super(r.getSampleModel(), r.getDataBuffer(), r.getBounds(), new Point(r.getSampleModelTranslateX(), r.getSampleModelTranslateY()), r.getParent());
}
/** Does vertical RLSA */
private void byteLoop_v(Raster src, WritableRaster dst) {
int minX = getMinX();
int maxX = getMaxX();
int minY = getMinY();
int maxY = getMaxY();
DataBufferByte srcdb = (DataBufferByte) src.getDataBuffer();
DataBufferByte dstdb = (DataBufferByte) dst.getDataBuffer();
byte srcData[] = srcdb.getData();
byte dstData[] = dstdb.getData();
MultiPixelPackedSampleModel srcsm = (MultiPixelPackedSampleModel) src.getSampleModel();
MultiPixelPackedSampleModel dstsm = (MultiPixelPackedSampleModel) dst.getSampleModel();
int srcScanlineStride = srcsm.getScanlineStride();
int dstScanlineStride = dstsm.getScanlineStride();
int srcScanlineOffset = minY*srcScanlineStride;
int dstScanlineOffset = 0;
int[] column = new int[maxY];
int white = getWhite();
for (int x = minX, dstx = 0; x < maxX; x++, dstx++) {
int srcxOffset = x / 8;
int srcxBit = x % 8;
int dstxOffset = dstx / 8;
int dstxBit = dstx % 8;
int srcLineOffset = srcScanlineOffset;
int dstLineOffset = dstScanlineOffset;
int lasty = minY-(threshold+2);
if (white == 0) {
for (int y = minY; y < maxY; y++) {
if ((srcData[srcLineOffset+srcxOffset] & bitAccess[srcxBit]) != 0) {
column[y] = 1;
if (y < lasty+threshold+2) {
for (int i = lasty; i<y; i++) {
column[i] = 1;
}
}
lasty = y;
} else {
column[y] = 0;
}
srcLineOffset += srcScanlineStride;
}
} else {
for (int y = minY; y < maxY; y++) {
if ((srcData[srcLineOffset+srcxOffset] & bitAccess[srcxBit]) == 0) {
column[y] = 0;
if (y < lasty+threshold+2) {
for (int i = lasty; i<y; i++) {
column[i] = 0;
}
}
lasty = y;
} else {
column[y] = 1;
}
srcLineOffset += srcScanlineStride;
}
}
// Copy resulting column onto image
for (int srcy = minY, lineOffset = 0; srcy < maxY; srcy++, lineOffset += dstScanlineStride) {
if (column[srcy] == 1) {
dstData[lineOffset+dstxOffset] |= bitAccess[dstxBit];
} else {
dstData[lineOffset+dstxOffset] &= ~bitAccess[dstxBit];
}
}
}
}
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}