本文整理了Java中javax.media.jai.JAI类的一些代码示例，展示了JAI类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JAI类的具体详情如下：
包路径：javax.media.jai.JAI
类名称：JAI

JAI介绍

暂无

代码示例

代码示例来源：origin: geotools/geotools

public static RenderedOp create(RenderedImage source0, FillType type, RenderingHints hints) {
    ParameterBlockJAI pb =
        new ParameterBlockJAI("TransparencyFill", RenderedRegistryMode.MODE_NAME);

    pb.setSource("source0", source0);
    pb.setParameter("type", type);
    return JAI.create("TransparencyFill", pb, hints);
  }
}

代码示例来源：origin: geoserver/geoserver

final OperationRegistry opRegistry = JAI.getDefaultInstance().getOperationRegistry();
for (String mode : RegistryMode.getModeNames()) {
  for (Iterator descriptors = opRegistry.getDescriptors(mode).iterator();

代码示例来源：origin: geoserver/geoserver

JAI.getDefaultInstance()
    .setImagingListener(
        new ImagingListener() {
          final Logger LOGGER = Logging.getLogger("javax.media.jai");
JAI jaiDef = JAI.getDefaultInstance();
if (!(jaiDef.getOperationRegistry() instanceof ConcurrentOperationRegistry
    || jaiDef.getOperationRegistry()
        instanceof it.geosolutions.jaiext.ConcurrentOperationRegistry)) {
  jaiDef.setOperationRegistry(ConcurrentOperationRegistry.initializeRegistry());
if (!(jaiDef.getTileCache() instanceof ConcurrentTileCacheMultiMap)) {
  jaiDef.setTileCache(new ConcurrentTileCacheMultiMap());

代码示例来源：origin: geoserver/geoserver

public static OperationRegistry initializeRegistry() {
  try {
    InputStream url = PropertyUtil.getFileFromClasspath(JAI_REGISTRY_FILE);
    if (url == null) {
      throw new RuntimeException("Could not find the main registry file");
    }
    OperationRegistry registry = new ConcurrentOperationRegistry();
    if (url != null) {
      registry.updateFromStream(url);
    }
    registry.registerServices(null);
    return registry;
  } catch (IOException ioe) {
    ImagingListener listener = JAI.getDefaultInstance().getImagingListener();
    String message = "Error occurred while initializing JAI";
    listener.errorOccurred(
        message, new ImagingException(message, ioe), OperationRegistry.class, false);
    return null;
  }
}

代码示例来源：origin: geoserver/geoserver

void initJAI(JAIInfo jai) {
  JAI jaiDef = JAI.getDefaultInstance();
  jai.setJAI(jaiDef);
  if (ImageWorker.isJaiExtEnabled()) {
    if (jai.getJAIEXTInfo() != null) {
      JAIEXTInfo jaiext = jai.getJAIEXTInfo();
  jaiDef.setRenderingHint(JAI.KEY_CACHED_TILE_RECYCLING_ENABLED, jai.isRecycling());
      && !(jaiDef.getRenderingHint(JAI.KEY_TILE_FACTORY)
          instanceof ConcurrentTileFactory)) {
    final ConcurrentTileFactory recyclingFactory = new ConcurrentTileFactory();
    jaiDef.setRenderingHint(JAI.KEY_TILE_FACTORY, recyclingFactory);
    jaiDef.setRenderingHint(JAI.KEY_TILE_RECYCLER, recyclingFactory);
  } else {
    if (!jai.isRecycling()) {
      final PassThroughTileFactory passThroughFactory = new PassThroughTileFactory();
      jaiDef.setRenderingHint(JAI.KEY_TILE_FACTORY, passThroughFactory);
      jaiDef.setRenderingHint(JAI.KEY_TILE_RECYCLER, passThroughFactory);
  TileCache jaiCache = jaiDef.getTileCache();
  jai.setTileCache(jaiCache);
  jaiDef.getTileScheduler().setParallelism(jai.getTileThreads());
  jaiDef.getTileScheduler().setPrefetchParallelism(jai.getTileThreads());
  jaiDef.getTileScheduler().setPriority(jai.getTilePriority());
  jaiDef.getTileScheduler().setPrefetchPriority(jai.getTilePriority());

代码示例来源：origin: geotools/geotools

ColorModel colorModel = image.getColorModel();
  ParameterBlock pb = new ParameterBlock();
  pb.setSource(image, 0);
  pb.set(table, 0);
  if (isNoDataNeeded()) {
  result = JAI.create("Lookup", pb, hints);
    expanded = new ImageWorker(image).forceComponentColorModel().getRenderedImage();
  } else {
    expanded = image;
  if (!expanded.getColorModel().hasAlpha()) {
            new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout));
    result = JAI.create("BandMerge", pb, null);
    final int bands = expanded.getSampleModel().getNumBands();
    int alphaBand = bands - 1;
            opacity, bands, alphaBand, expanded.getSampleModel().getDataType());
    result = JAI.create("Lookup", pb, null);

代码示例来源：origin: geotools/geotools

final ColorModel cm = image.getColorModel();
if (cm instanceof ComponentColorModel) {
  final SampleModel sm = this.image.getSampleModel();
  final int datatype = sm.getDataType();
  Range noData = getNoData();
  final boolean gray =
      ColorUtilities.isGrayPalette(icm, checkTransparent)
          Color bgColor = getBackgroundColor();
          if (bgColor == null) {
            bgColor = Color.BLACK;
  for (int i = 0; i < numDestinationBands; i++) bits[i] = sm.getSampleSize(i);
  final ComponentColorModel destinationColorModel =
      new ComponentColorModel(
  ParameterBlock pb = new ParameterBlock();
  pb.setSource(image, 0);
  pb.set(lut, 0);
  image = JAI.create("Lookup", pb, hints);
      (cm instanceof DirectColorModel)
          ? DataBuffer.TYPE_BYTE
          : image.getSampleModel().getTransferType();
  image = JAI.create("Format", pb, hints);

代码示例来源：origin: geotools/geotools

RenderedImage src = pb.getRenderedSource(0);
Object property = src.getProperty("ROI");
if (property == null
    || property.equals(java.awt.Image.UndefinedProperty)
Interpolation interp = (Interpolation) pb.getObjectParameter(1);
  srcBounds =
      new Rectangle(
          src.getMinX() + interp.getLeftPadding(),
          src.getMinY() + interp.getTopPadding(),
          src.getWidth() - interp.getWidth() + 1,
          src.getHeight() - interp.getHeight() + 1);
Warp warp = (Warp) pb.getObjectParameter(0);
layout.setTileHeight(op.getTileHeight());
RenderingHints hints = op.getRenderingHints();
hints.add(new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout));
warpingHints.remove(JAI.KEY_IMAGE_LAYOUT);
  roiImage = JAI.create("Warp", paramBlk, localHints);
} else {

代码示例来源：origin: geotools/geotools

for (int i = 0; i < 4; i++) {
  if (USE_JAI_SCALE2) {
    pb.set(scalingParams[i], i);
  } else {
    pb.set((float) scalingParams[i], i);
RenderedImage sourceImage = pb.getRenderedSource(0);
ColorModel cm = sourceImage.getColorModel();
SampleModel sm = sourceImage.getSampleModel();
final int numBands = sm.getNumBands();
RenderedImage alphaChannel = null;
      new ImageWorker(sourceImage).setRenderingHints(hints).retainBands(numBands - 1);
  alphaChannel =
      new ImageWorker(sourceImage)
RenderedImage scaledImage = JAI.create(SCALE_OP_NAME, pb, hints);
image = scaledImage;
if (alphaChannel != null) {
  pb2.set(roi, 5);
  pb2.set(nodata, 7);
  alphaChannel = JAI.create(SCALE_OP_NAME, pb2, hints);
  if (hints.containsKey(JAI.KEY_IMAGE_LAYOUT)) {
    ImageLayout layout = (ImageLayout) hints.get(JAI.KEY_IMAGE_LAYOUT);
    newImageLayout =
        new ImageLayout2(

代码示例来源：origin: geotools/geotools

/** Forces the provided {@link ColorModel} via the JAI ColorConvert operation. */
private void forceColorModel(final ColorModel cm) {
  final ImageLayout2 il = new ImageLayout2(image);
  il.setColorModel(cm);
  il.setSampleModel(cm.createCompatibleSampleModel(image.getWidth(), image.getHeight()));
  final RenderingHints oldRi = this.getRenderingHints();
  final RenderingHints newRi = (RenderingHints) oldRi.clone();
  newRi.add(new RenderingHints(JAI.KEY_IMAGE_LAYOUT, il));
  setRenderingHints(newRi);
  // Setting the parameter blocks
  ParameterBlock pb = new ParameterBlock();
  pb.setSource(image, 0);
  pb.set(cm, 0);
  pb.set(roi, 1);
  pb.set(nodata, 2);
  if (isNoDataNeeded()) {
    if (background != null && background.length > 0) {
      // Elaborating the final NoData value
      if (background.length != cm.getNumColorComponents()) {
        throw new IllegalArgumentException("Wrong DestinationNoData value defined");
      }
      pb.set(background, 3);
    }
  }
  image = JAI.create("ColorConvert", pb, getRenderingHints());
  // restore RI
  this.setRenderingHints(oldRi);
  // invalidate stats
  invalidateStatistics();
}

代码示例来源：origin: geotools/geotools

assert image.getColorModel() instanceof ComponentColorModel;
assert image.getSampleModel().getDataType() == DataBuffer.TYPE_BYTE;
int numBands = image.getSampleModel().getNumBands();
final int numColorBands = image.getColorModel().getNumColorComponents();
final RenderingHints hints = getRenderingHints();
if (numColorBands != numBands) {
  ParameterBlock pb = new ParameterBlock();
  pb.setSource(image, 0);
  pb.set(opaqueBands, 0);
  image = JAI.create("BandSelect", pb, hints);
  numBands = numColorBands;
    LookupTableFactory.create(tableData, image.getSampleModel().getDataType());
hints.put(JAI.KEY_TRANSFORM_ON_COLORMAP, Boolean.FALSE);
ParameterBlock pb = new ParameterBlock();
PlanarImage luImage = JAI.create("Lookup", pb, hints);
  luImage = JAI.create("BandCombine", pb, getRenderingHints());
pb.set(roi, 3);
pb.set(true, 4);
image = JAI.create("BandMerge", pb, hints);

代码示例来源：origin: geotools/geotools

assert image.getColorModel() instanceof IndexColorModel;
IndexColorModel cm = (IndexColorModel) image.getColorModel();
final int numComponents = cm.getNumComponents();
int transparency = cm.getTransparency();
final RenderingHints hints = getRenderingHints();
hints.add(new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout));
hints.add(new RenderingHints(JAI.KEY_REPLACE_INDEX_COLOR_MODEL, Boolean.FALSE));
ParameterBlock pb = new ParameterBlock();
pb.setSource(image, 0); // The source image.
pb.set(image.getSampleModel().getDataType(), 0);
image = JAI.create("Format", pb, hints);
setNoData(RangeFactory.convert(nodata, image.getSampleModel().getDataType()));
invalidateStatistics();
return this;

代码示例来源：origin: geotools/geotools

if (image.getMinX() == x
    && image.getMinY() == y
    && image.getWidth() == width
    && image.getHeight() == height) {
  return this;
  if ("Crop".equals(op.getOperationName()) || "GTCrop".equals(op.getOperationName())) {
    ParameterBlock paramBlock = op.getParameterBlock();
    source = paramBlock.getRenderedSource(0);
    float sx = paramBlock.getFloatParameter(0);
    float sy = paramBlock.getFloatParameter(1);
    float sWidth = paramBlock.getFloatParameter(2);
    float sHeight = paramBlock.getFloatParameter(3);
pb.set(roi, 4);
pb.set(nodata, 5);
if (isNoDataNeeded()) {
  double destinationNoData =
      nodata != null
image = JAI.create("Crop", pb, commonHints);
invalidateStatistics();
return this;

代码示例来源：origin: geotools/geotools

final ImageWorker worker = new ImageWorker(image);
worker.setROI(CoverageUtilities.getROIProperty(sourceCoverage));
NoDataContainer noDataProperty = CoverageUtilities.getNoDataProperty(sourceCoverage);
worker.setNoData(noDataProperty != null ? noDataProperty.getAsRange() : null);
if (image.getColorModel() instanceof IndexColorModel
    && (image.getSampleModel().getNumBands() > 1)) {
  worker.retainBands(1);
  image = worker.getRenderedImage();
if (image.getColorModel() instanceof DirectColorModel) {
  worker.forceComponentColorModel();
  image = worker.getRenderedImage();
  if (image.getColorModel() instanceof IndexColorModel
      && (image.getSampleModel().getTransferType() != DataBuffer.TYPE_BYTE)) {
    worker.forceComponentColorModel();
    image = worker.getRenderedImage();
final ParameterBlockJAI pbjImageWrite = new ParameterBlockJAI("ImageWrite");
pbjImageWrite.addSource(image);
pbjImageWrite.setParameter("Output", outstream);
pbjImageWrite.setParameter("VerifyOutput", Boolean.FALSE);
pbjImageWrite.setParameter("Format", extension);
JAI.create("ImageWrite", pbjImageWrite);
outstream.flush();
outstream.close();

代码示例来源：origin: GeoWebCache/geowebcache

/**
   * Shave off the alpha band, JPEG cannot write it out
   *
   * @param ri
   * @return
   */
  @Override
  public RenderedImage preprocess(RenderedImage ri) {
    if (ri.getColorModel().hasAlpha()) {
      final int numBands = ri.getSampleModel().getNumBands();
      // handle both gray-alpha and RGBA (same code as in GeoTools ImageWorker)
      final int[] bands = new int[numBands - 1];
      for (int i = 0; i < bands.length; i++) {
        bands[i] = i;
      }
      // ParameterBlock creation
      ParameterBlock pb = new ParameterBlock();
      pb.setSource(ri, 0);
      pb.set(bands, 0);
      final RenderingHints hints =
          new RenderingHints(JAI.KEY_IMAGE_LAYOUT, new ImageLayout(ri));
      ri = JAI.create("BandSelect", pb, hints);
    }
    return ri;
  }
};

代码示例来源：origin: geotools/geotools

if ((image.getNumXTiles() == 1 || image.getTileWidth() < STRIPE_SIZE)
    && (image.getNumYTiles() == 1 || image.getTileHeight() < STRIPE_SIZE)) {
    layout = layout.unsetTileLayout();
  Dimension defaultSize = JAI.getDefaultTileSize();
  if (defaultSize == null) {
    defaultSize = GEOTOOLS_DEFAULT_TILE_SIZE;

代码示例来源：origin: geotools/geotools

final ColorModel cm = image.getColorModel();
if (cm instanceof IndexColorModel) {
  final IndexColorModel oldCM = (IndexColorModel) cm;
        LookupTableFactory.create(table, image.getSampleModel().getDataType());
  } else {
    final short[] table = new short[mapSize];
  hints.put(JAI.KEY_TRANSFORM_ON_COLORMAP, Boolean.FALSE);
  hints.put(JAI.KEY_IMAGE_LAYOUT, layout);
  ParameterBlock pb = new ParameterBlock();
  pb.setSource(image, 0);
  pb.set(lookupTable, 0);
  if (isNoDataNeeded()) {
  image = JAI.create("Lookup", pb, hints);
  int dataType = image.getSampleModel().getDataType();
  pb.set(dataType, 0);
  image = JAI.create("Format", pb, hints);
    final RenderedOp alphaChannel = JAI.create("BandSelect", pb, hints);

代码示例来源：origin: geotools/geotools

final int numBands = sourceImage.getSampleModel().getNumBands();
if (band < 0 || band >= numBands) {
  throw new ProcessException(Errors.format(ErrorKeys.ILLEGAL_ARGUMENT_$2, "band", band));
ParameterBlock pb = new ParameterBlock();
pb.addSource(sourceImage);
pb.set(classes, 0);
pb.set(toJAIExtMethod(method), 1);
pb.set(null, 2);
    (Classification) op.getProperty(ClassBreaksDescriptor.CLASSIFICATION_PROPERTY);
ParameterBlockJAI pbj = new ParameterBlockJAI("ZonalStats");
pbj.addSource(sourceImage);
pbj.setParameter("stats", stats.toArray(new Statistic[stats.size()]));
pbj.setParameter("bands", new Integer[] {band});
pbj.setParameter("ranges", ranges);
op = JAI.create("ZonalStats", pbj);
    (ZonalStats) op.getProperty(ZonalStatsDescriptor.ZONAL_STATS_PROPERTY);
return new Results(stats, zonalStats);

代码示例来源：origin: geotools/geotools

cm.getTransparency(),
          cm.getTransferType());
  sm = cm.createCompatibleSampleModel(sm.getWidth(), sm.getHeight());
Dimension tileSize = request.getTileDimensions();
if (tileSize == null) {
  tileSize = JAI.getDefaultTileSize();
    .setTileWidth((int) tileSize.getWidth())
    .setTileHeight((int) tileSize.getHeight());
final RenderingHints renderingHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, il);
        new ImageWorker(finalImage)
            .setRenderingHints(renderingHints)
            .format(il.getSampleModel(null).getDataType())
            .getRenderedImage();
          .makeColorTransparent(inputTransparentColor)
          .getRenderedImage();
  hasAlpha = finalImage.getColorModel().hasAlpha();
  if (!hasAlpha) {
            .makeColorTransparent(inputTransparentColor)
            .getRenderedImage();
    hasAlpha = finalImage.getColorModel().hasAlpha();

代码示例来源：origin: geotools/geotools

LookupTableFactory.create(lutData, mask.getSampleModel().getDataType());
mask = JAI.create("Lookup", pb, hints);
  prepareAlgebricOperation(Operator.SUM, pb, roi, nodata, true);
  image = JAI.create(ALGEBRIC_OP_NAME, pb, getRenderingHints());
} else {
  image = JAI.create("Add", pb, getRenderingHints());
    new RenderingHints(JAI.KEY_REPLACE_INDEX_COLOR_MODEL, Boolean.FALSE);
    mask = JAI.create(ALGEBRIC_OP_NAME, pb, renderingHints);
  } else {
    mask = JAI.create("Not", pb, renderingHints);
  image = JAI.create(ALGEBRIC_OP_NAME, pb, getRenderingHints());
} else {
  image = JAI.create("And", pb, getRenderingHints());
  image = JAI.create(OPERATION_CONST_OP_NAME, pb, renderingHints);
} else {
  image = JAI.create("AddConst", pb, renderingHints);
  image = JAI.create(ALGEBRIC_OP_NAME, pb, getRenderingHints());
} else {
  image = JAI.create("Add", pb, getRenderingHints());