java.awt.image.Raster.createInterleavedRaster()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.createInterleavedRaster方法的一些代码示例，展示了Raster.createInterleavedRaster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.createInterleavedRaster方法的具体详情如下：
包路径：java.awt.image.Raster
类名称：Raster
方法名：createInterleavedRaster

Raster.createInterleavedRaster介绍

暂无

代码示例

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

Transparency.BITMASK,
                        DataBuffer.TYPE_BYTE);
WritableRaster raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
                            width, height,
                            width*2, 2,

代码示例来源：origin: nutzam/nutz

raster = Raster.createInterleavedRaster(new DataBufferByte(rgb, rgb.length),
                    w,
                    h,

代码示例来源：origin: haraldk/TwelveMonkeys

BufferedImage imageFromRawData(int width, int height, int scanLine, byte[] data) {
  DataBuffer buffer = new DataBufferByte(data, data.length);
  WritableRaster raster = Raster.createInterleavedRaster(
      buffer, width, height,
      scanLine, 3,
      new int[]{0, 1, 2},
      null
  );
  ColorModel cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), false, false, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
  return new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), null);
}

代码示例来源：origin: haraldk/TwelveMonkeys

static protected BufferedImage readRawThumbnail(final byte[] thumbnail, final int size, final int offset, int w, int h) {
  DataBufferByte buffer = new DataBufferByte(thumbnail, size, offset);
  WritableRaster raster;
  ColorModel cm;
  if (thumbnail.length == w * h) {
    raster = Raster.createInterleavedRaster(buffer, w, h, w, 1, new int[] {0}, null);
    cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_GRAY), false, false, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
  }
  else {
    raster = Raster.createInterleavedRaster(buffer, w, h, w * 3, 3, new int[] {0, 1, 2}, null);
    cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), false, false, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
  }
  return new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), null);
}

代码示例来源：origin: apache/pdfbox

private BufferedImage create2ByteGrayAlphaImage(int width, int height) 
{
  /**
   * gray + alpha
   */
  int[] bandOffsets = new int[] {1, 0};
  int bands = bandOffsets.length;
  
  /**
   * Color Model usesd for raw GRAY + ALPHA
   */
  final ColorModel CM_GRAY_ALPHA
    = new ComponentColorModel(
        ColorSpace.getInstance(ColorSpace.CS_GRAY),
        true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE);
  // Init data buffer of type byte
  DataBuffer buffer = new DataBufferByte(width * height * bands);
  // Wrap the data buffer in a raster
  WritableRaster raster =
      Raster.createInterleavedRaster(buffer, width, height,
          width * bands, bands, bandOffsets, new Point(0, 0));
  // Create a custom BufferedImage with the raster and a suitable color model
  return new BufferedImage(CM_GRAY_ALPHA, raster, false, null);
}

代码示例来源：origin: geotools/geotools

/**
 * create a buffered image from a set of color triplets
 *
 * @param data
 * @param width
 * @param height
 * @return
 */
public static BufferedImage ByteBufferImage(byte[] data, int width, int height) {
  int[] bandoffsets = {0, 1, 2, 3};
  DataBufferByte dbb = new DataBufferByte(data, data.length);
  WritableRaster wr =
      Raster.createInterleavedRaster(dbb, width, height, width * 4, 4, bandoffsets, null);
  int[] bitfield = {8, 8, 8, 8};
  ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
  ColorModel cm =
      new ComponentColorModel(
          cs, bitfield, true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE);
  return new BufferedImage(cm, wr, false, null);
}

代码示例来源：origin: haraldk/TwelveMonkeys

/**
 * Converts a gray {@code MagickImage} to a {@code BufferedImage}, of
 * type {@code TYPE_USHORT_GRAY} or {@code TYPE_BYTE_GRAY}.
 *
 * @param pImage the original {@code MagickImage}
 * @param pAlpha keep alpha channel
 * @return a new {@code BufferedImage}
 *
 * @throws MagickException if an exception occurs during conversion
 *
 * @see BufferedImage
 */
private static BufferedImage grayToBuffered(MagickImage pImage, boolean pAlpha) throws MagickException {
  Dimension size = pImage.getDimension();
  int length = size.width * size.height;
  int bands = pAlpha ? 2 : 1;
  byte[] pixels = new byte[length * bands];
  // TODO: Make a fix for 16 bit TYPE_USHORT_GRAY?!
  // Note: The ordering AI or I corresponds to BufferedImage
  // TYPE_CUSTOM and TYPE_BYTE_GRAY respectively
  pImage.dispatchImage(0, 0, size.width, size.height, pAlpha ? "AI" : "I", pixels);
  // Init databuffer with array, to avoid allocation of empty array
  DataBuffer buffer = new DataBufferByte(pixels, pixels.length);
  int[] bandOffsets = pAlpha ? new int[] {1, 0} : new int[] {0};
  WritableRaster raster =
      Raster.createInterleavedRaster(buffer, size.width, size.height,
          size.width * bands, bands, bandOffsets, LOCATION_UPPER_LEFT);
  return new BufferedImage(pAlpha ? CM_GRAY_ALPHA : CM_GRAY_OPAQUE, raster, pAlpha, null);
}

代码示例来源：origin: haraldk/TwelveMonkeys

Raster.createInterleavedRaster(buffer, size.width, size.height,
    size.width * bands, bands, bandOffsets, LOCATION_UPPER_LEFT);

代码示例来源：origin: haraldk/TwelveMonkeys

void writeUncompressed(boolean isTopDown, BufferedImage img, int height, int width) throws IOException {
    // TODO: Fix
    if (img.getType() != BufferedImage.TYPE_4BYTE_ABGR) {
      throw new IIOException("Blows!");
    }

    // Support
    // - TODO: IndexColorModel (ucompressed, RLE4, RLE8 or BI_PNG)
    // - TODO: ComponentColorModel (1 channel gray, 3 channel BGR and 4 channel BGRA, uncompressed and RLE8? BI_BITFIELDS? BI_PNG? BI_JPEG?)
    // - TODO: Packed/DirectColorModel (16 and 32 bit, BI_BITFIELDS, BI_PNG? BI_JPEG?)

    Raster raster = img.getRaster();
    WritableRaster rowRaster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, 1, width * 4, 4, new int[]{2, 1, 0, 3}, null);
    byte[] row = ((DataBufferByte) rowRaster.getDataBuffer()).getData();

    for (int i = 0; i < height; i++) {
      int line = isTopDown ? i : height - 1 - i;
      rowRaster.setDataElements(0, 0, raster.createChild(0, line, width, 1, 0, 0, new int[]{2, 1, 0, 3}));

      imageOutput.write(row);

      if (abortRequested()) {
        processWriteAborted();
        break;
      }

      processImageProgress(100f * i / (float) height);
    }
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertByteRGBWhite() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = convert.filter(input, null);
  byte[] pixel = (byte[]) result.getDataElements(0, 0, null);
  assertNotNull(pixel);
  assertEquals(3, pixel.length);
  byte[] expected = {(byte) 255, (byte) 255, (byte) 255};
  assertTrue(String.format("Was: %s, expected: %s", Arrays.toString(pixel), Arrays.toString(expected)), Arrays.equals(expected, pixel));
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertByteABGRColors() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = new BufferedImage(1, 1, BufferedImage.TYPE_4BYTE_ABGR).getRaster();
  byte[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (128 + i), 0});
    result = convert.filter(input, result);
    pixel = (byte[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(4, pixel.length);
    byte[] expected = {(byte) (255 - i), (byte) i, (byte) (127 - i), (byte) 0xff};
    assertTrue(String.format("Was: %s, expected: %s", Arrays.toString(pixel), Arrays.toString(expected)), Arrays.equals(expected, pixel));
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertIntRGBWhite() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = convert.filter(input, new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB).getRaster());
  int[] pixel = (int[]) result.getDataElements(0, 0, null);
  assertNotNull(pixel);
  assertEquals(1, pixel.length);
  int expected = 0xFFFFFF;
  int rgb = pixel[0] & 0xFFFFFF;
  assertEquals(String.format("Was: 0x%08x, expected: 0x%08x", rgb, expected), expected, rgb);
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertByteRGBBlack() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = null;
  byte[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (127 + i), (byte) 255});
    result = convert.filter(input, result);
    pixel = (byte[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(3, pixel.length);
    byte[] expected = {(byte) 0, (byte) 0, (byte) 0};
    assertTrue(String.format("Was: %s, expected: %s", Arrays.toString(pixel), Arrays.toString(expected)), Arrays.equals(expected, pixel));
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertByteBGRColors() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = null;
  byte[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (128 + i), 0});
    result = convert.filter(input, result);
    pixel = (byte[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(3, pixel.length);
    byte[] expected = {(byte) (255 - i), (byte) i, (byte) (127 - i)};
    assertTrue(String.format("Was: %s, expected: %s", Arrays.toString(pixel), Arrays.toString(expected)), Arrays.equals(expected, pixel));
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertByteRGBColors() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = null;
  byte[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (128 + i), 0});
    result = convert.filter(input, result);
    pixel = (byte[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(3, pixel.length);
    byte[] expected = {(byte) (255 - i), (byte) i, (byte) (127 - i)};
    assertTrue(String.format("Was: %s, expected: %s", Arrays.toString(pixel), Arrays.toString(expected)), Arrays.equals(expected, pixel));
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertIntRGBColors() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB).getRaster();
  int[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (128 + i), 0});
    result = convert.filter(input, result);
    pixel = (int[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(1, pixel.length);
    int expected = (((byte) (255 - i)) & 0xFF) << 16 | (((byte) i) & 0xFF) << 8 | ((byte) (127 - i)) & 0xFF;
    int rgb = pixel[0] & 0xFFFFFF;
    assertEquals(String.format("Was: 0x%08x, expected: 0x%08x", rgb, expected), expected, rgb);
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
  public void testConvertIntARGBColors() {
    FastCMYKToRGB convert = new FastCMYKToRGB();

    WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
    WritableRaster result = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB).getRaster();
    int[] pixel = null;
    for (int i = 0; i < 255; i++) {
      input.setDataElements(0, 0, new byte[]{(byte) i, (byte) (255 - i), (byte) (128 + i), 0});
      result = convert.filter(input, result);
      pixel = (int[]) result.getDataElements(0, 0, pixel);

      assertNotNull(pixel);
      assertEquals(1, pixel.length);
      int expected = 0xFF << 24 | (((byte) (255 - i)) & 0xFF) << 16 | (((byte) i) & 0xFF) << 8 | ((byte) (127 - i)) & 0xFF;
      assertEquals(String.format("Was: 0x%08x, expected: 0x%08x", pixel[0], expected), expected, pixel[0]);
    }
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertIntRGBBlack() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB).getRaster();
  int[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (127 + i), (byte) 255});
    result = convert.filter(input, result);
    pixel = (int[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(1, pixel.length);
    int expected = 0x0;
    int rgb = pixel[0] & 0xFFFFFF;
    assertEquals(String.format("Was: 0x%08x, expected: 0x%08x", rgb, expected), expected, rgb);
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

@Test
public void testConvertIntBGRColors() {
  FastCMYKToRGB convert = new FastCMYKToRGB();
  WritableRaster input = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 1, 1, 4, null);
  WritableRaster result = new BufferedImage(1, 1, BufferedImage.TYPE_INT_BGR).getRaster();
  int[] pixel = null;
  for (int i = 0; i < 255; i++) {
    input.setDataElements(0, 0, new byte[] {(byte) i, (byte) (255 - i), (byte) (128 + i), 0});
    result = convert.filter(input, result);
    pixel = (int[]) result.getDataElements(0, 0, pixel);
    assertNotNull(pixel);
    assertEquals(1, pixel.length);
    int expected = (((byte) (127 - i)) & 0xFF) << 16 | (((byte) i) & 0xFF) << 8 | ((byte) (255 - i)) & 0xFF;
    int rgb = pixel[0] & 0xFFFFFF;
    assertEquals(String.format("Was: 0x%08x, expected: 0x%08x", rgb, expected), expected, rgb);
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

WritableRaster raster = Raster.createInterleavedRaster(
    buffer, pBitmap.getWidth(), pBitmap.getHeight(), scanlineStride, 3, bOffs, null
);

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