java.awt.image.Raster.getWidth()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中java.awt.image.Raster.getWidth方法的一些代码示例，展示了Raster.getWidth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。Raster.getWidth方法的具体详情如下：
包路径：java.awt.image.Raster
类名称：Raster
方法名：getWidth

Raster.getWidth介绍

暂无

代码示例

代码示例来源：origin: geoserver/geoserver

/** Recycle the given tile. */
  public void recycleTile(Raster tile) {
    if (tile.getWidth() != tile.getHeight() || tile.getWidth() > 512) {
      return;
    }
    recycledArrays.recycleTile(tile);
  }
}

代码示例来源：origin: stackoverflow.com

File f = new File("/path/imagefile.jpg");
 //Find a suitable ImageReader
 Iterator readers = ImageIO.getImageReadersByFormatName("JPEG");
 ImageReader reader = null;
 while(readers.hasNext()) {
   reader = (ImageReader)readers.next();
   if(reader.canReadRaster()) {
     break;
   }
 }
 //Stream the image file (the original CMYK image)
 ImageInputStream input =   ImageIO.createImageInputStream(f); 
 reader.setInput(input); 
 //Read the image raster
 Raster raster = reader.readRaster(0, null); 
 //Create a new RGB image
 BufferedImage bi = new BufferedImage(raster.getWidth(), raster.getHeight(), 
 BufferedImage.TYPE_4BYTE_ABGR); 
 //Fill the new image with the old raster
 bi.getRaster().setRect(raster);

代码示例来源：origin: graphhopper/graphhopper

private void fillDataAccessWithElevationData(Raster raster, DataAccess heights, int dataAccessWidth) {
  final int height = raster.getHeight();
  final int width = raster.getWidth();
  int x = 0;
  int y = 0;
  try {
    for (y = 0; y < height; y++) {
      for (x = 0; x < width; x++) {
        short val = (short) raster.getPixel(x, y, (int[]) null)[0];
        if (val < -1000 || val > 12000)
          val = Short.MIN_VALUE;
        heights.setShort(2 * (y * dataAccessWidth + x), val);
      }
    }
    heights.flush();
  } catch (Exception ex) {
    throw new RuntimeException("Problem at x:" + x + ", y:" + y, ex);
  }
}

代码示例来源：origin: geoserver/geoserver

for (int band = 0; band < raster.getNumBands(); band++) {
  ps.println("Band " + band + ":");
  for (int j = raster.getMinY(); j < (raster.getMinY() + raster.getHeight()); j++) {
    for (int i = raster.getMinX(); i < (raster.getMinX() + raster.getWidth()); i++) {
      if (raster.getTransferType() == DataBuffer.TYPE_DOUBLE)
        ps.print(raster.getSampleDouble(i, j, band));
        ps.print(raster.getSampleFloat(i, j, band));
      else ps.print(raster.getSample(i, j, band));
      if (i < (raster.getMinX() + raster.getWidth() - 1)) {
        ps.print(" ");

代码示例来源：origin: nutzam/nutz

int w = raster.getWidth();
int h = raster.getHeight();
byte[] rgb = new byte[w * h * 3];

代码示例来源：origin: stackoverflow.com

cmykProfile = ICC_Profile.getInstance(JpegReader.class.getResourceAsStream("/ISOcoated_v2_300_eci.icc"));
ICC_ColorSpace cmykCS = new ICC_ColorSpace(cmykProfile);
BufferedImage rgbImage = new BufferedImage(cmykRaster.getWidth(), cmykRaster.getHeight(), BufferedImage.TYPE_INT_RGB);
WritableRaster rgbRaster = rgbImage.getRaster();
ColorSpace rgbCS = rgbImage.getColorModel().getColorSpace();

代码示例来源：origin: stackoverflow.com

BufferedImage rgbImage = new BufferedImage(cmykRaster.getWidth(), cmykRaster.getHeight(), BufferedImage.TYPE_INT_RGB);
WritableRaster rgbRaster = rgbImage.getRaster();
ColorSpace rgbCS = rgbImage.getColorModel().getColorSpace();

代码示例来源：origin: haraldk/TwelveMonkeys

public Rectangle2D getBounds2D(Raster src) {
  return new Rectangle(src.getWidth(), src.getHeight());
}

代码示例来源：origin: haraldk/TwelveMonkeys

/**
 * Creates a compatible {@code Raster} to dither into.
 *
 * @param pSrc the source raster.
 * @param pIndexColorModel the index color model used to create a {@code Raster}.
 *
 * @return a {@code WritableRaster}
 */
public final WritableRaster createCompatibleDestRaster(Raster pSrc, IndexColorModel pIndexColorModel) {
  return pIndexColorModel.createCompatibleWritableRaster(pSrc.getWidth(), pSrc.getHeight());
}

代码示例来源：origin: haraldk/TwelveMonkeys

public final WritableRaster createCompatibleDestRaster(Raster pSrc, IndexColorModel pIndexColorModel) {
  return pIndexColorModel.createCompatibleWritableRaster(pSrc.getWidth(), pSrc.getHeight());
}

代码示例来源：origin: dermotte/LIRE

private static int[][][] hsvImage(Raster r) {
  int[][][] pixels = new int[r.getWidth()][r.getHeight()][3];
  // quantize colors for each pixel (done in HSV color space):
  int[] pixel = new int[3];
  for (int x = 0; x < r.getWidth(); x++) {
    for (int y = 0; y < r.getHeight(); y++) {
      // converting to HSV:
      int[] hsv = new int[3];
      convertRgbToHsv(r.getPixel(x, y, pixel), hsv);
      // quantize the actual pixel:
      pixels[x][y] = hsv;
    }
  }
  return pixels;
}

代码示例来源：origin: dermotte/LIRE

private static int[][][] hsvImage(Raster r) {
  int[][][] pixels = new int[r.getWidth()][r.getHeight()][3];
  // quantize colors for each pixel (done in HSV color space):
  int[] pixel = new int[3];
  for (int x = 0; x < r.getWidth(); x++) {
    for (int y = 0; y < r.getHeight(); y++) {
      // converting to HSV:
      int[] hsv = new int[3];
      convertRgbToHsv(r.getPixel(x, y, pixel), hsv);
      // quantize the actual pixel:
      pixels[x][y] = hsv;
    }
  }
  return pixels;
}

代码示例来源：origin: haraldk/TwelveMonkeys

private IndexColorModel createIndexColorModel(Raster pSource) {
  BufferedImage image = new BufferedImage(pSource.getWidth(), pSource.getHeight(),
                      BufferedImage.TYPE_INT_ARGB);
  image.setData(pSource);
  return IndexImage.getIndexColorModel(image, 256, IndexImage.TRANSPARENCY_BITMASK);
}

代码示例来源：origin: haraldk/TwelveMonkeys

private IndexColorModel createIndexColorModel(Raster pSource) {
  BufferedImage image = new BufferedImage(pSource.getWidth(), pSource.getHeight(), BufferedImage.TYPE_INT_ARGB);
  image.setData(pSource);
  return IndexImage.getIndexColorModel(image, 256, IndexImage.TRANSPARENCY_BITMASK | IndexImage.COLOR_SELECTION_QUALITY);
}

代码示例来源：origin: haraldk/TwelveMonkeys

private static void convertYCbCr2RGB(final Raster raster, final int numComponents) {
  final int height = raster.getHeight();
  final int width = raster.getWidth();
  final byte[] data = ((DataBufferByte) raster.getDataBuffer()).getData();
  for (int y = 0; y < height; y++) {
    for (int x = 0; x < width; x++) {
      YCbCrConverter.convertYCbCr2RGB(data, data, (x + y * width) * numComponents);
    }
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

public WritableRaster createCompatibleDestRaster(final Raster src) {
    // WHAT?? This code no longer work for JRE 7u45+... JRE bug?!
//        Raster child = src.createChild(0, 0, src.getWidth(), src.getHeight(), 0, 0, new int[] {0, 1, 2});
//        return child.createCompatibleWritableRaster(); // Throws an exception complaining about the scanline stride from the verify() method

    // This is a workaround for the above code that no longer works.
    // It wil use 25% more memory, but it seems to work...
    WritableRaster raster = src.createCompatibleWritableRaster();
    return raster.createWritableChild(0, 0, src.getWidth(), src.getHeight(), 0, 0, new int[] {0, 1, 2});
  }

代码示例来源：origin: haraldk/TwelveMonkeys

private static void convertYCCK2CMYK(final Raster raster) {
  final int height = raster.getHeight();
  final int width = raster.getWidth();
  final byte[] data = ((DataBufferByte) raster.getDataBuffer()).getData();
  for (int y = 0; y < height; y++) {
    for (int x = 0; x < width; x++) {
      int offset = (x + y * width) * 4;
      // YCC -> CMY
      YCbCrConverter.convertYCbCr2RGB(data, data, offset);
      // Inverse K
      data[offset + 3] = (byte) (0xff - data[offset + 3] & 0xff);
    }
  }
}

代码示例来源：origin: geotools/geotools

/**
 * Constructs multi-dimensional grid envelope defined by a {@link Raster}. The two first
 * dimensions are set to the [{@linkplain Raster#getMinX x} .. x+{@linkplain Raster#getWidth
 * width}-1] and [{@linkplain Raster#getMinY y} .. y+{@linkplain Raster#getHeight height}-1]
 * inclusive ranges respectively. Extra dimensions (if any) are set to the [0..0] inclusive
 * range.
 *
 * <p>Notice that this method ensure interoperability between {@link Raster} dimensions in
 * Java2D style and {@link GridEnvelope} dimensions in ISO 19123 style providing that the user
 * remember to add 1 to the {@link GridEnvelope#getHigh(int)} values.
 *
 * @param raster The raster for which to construct a grid envelope.
 * @param dimension Number of dimensions for this grid envelope. Must be equals or greater than
 *     2.
 */
public GeneralGridEnvelope(final Raster raster, final int dimension) {
  this(raster.getMinX(), raster.getMinY(), raster.getWidth(), raster.getHeight(), dimension);
}

代码示例来源：origin: dermotte/LIRE

public double[] getFeature(BufferedImage image) {
  image = ImageUtils.scaleImage(image, MAX_IMG_HEIGHT);
  Raster imageRaster = image.getRaster();
  int[][] grayLevel = new int[imageRaster.getWidth()][imageRaster.getHeight()];
  int[] tmp = new int[3];
  for (int i = 0; i < imageRaster.getWidth(); i++) {
    for (int j = 0; j < imageRaster.getHeight(); j++) {
      grayLevel[i][j] = imageRaster.getPixel(i, j, tmp)[0];

代码示例来源：origin: dermotte/LIRE

public double[] getFeature(BufferedImage image) {
  image = ImageUtils.scaleImage(image, MAX_IMG_HEIGHT);
  Raster imageRaster = image.getRaster();
  int[][] grayLevel = new int[imageRaster.getWidth()][imageRaster.getHeight()];
  int[] tmp = new int[3];
  for (int i = 0; i < imageRaster.getWidth(); i++) {
    for (int j = 0; j < imageRaster.getHeight(); j++) {
      grayLevel[i][j] = imageRaster.getPixel(i, j, tmp)[0];

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