How to use
paethPredictor
method
in
org.apache.batik.ext.awt.image.codec.png.PNGEncodeParam

Best Java code snippets using org.apache.batik.ext.awt.image.codec.png.PNGEncodeParam.paethPredictor (Showing top 4 results out of 315)

Common ways to obtain PNGEncodeParam

private void myMethod () {
 PNGEncodeParam p =new PNGEncodeParam.RGB()
new PNGEncodeParam.Palette()
new PNGEncodeParam.Gray()
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}

private static void decodePaethFilter(byte[] curr, byte[] prev,
                   int count, int bpp) {
  int raw, priorPixel, priorRow, priorRowPixel;
  for (int i = 0; i < bpp; i++) {
    raw = curr[i] & 0xff;
    priorRow = prev[i] & 0xff;
    curr[i] = (byte)(raw + priorRow);
  }
  for (int i = bpp; i < count; i++) {
    raw = curr[i] & 0xff;
    priorPixel = curr[i - bpp] & 0xff;
    priorRow = prev[i] & 0xff;
    priorRowPixel = prev[i - bpp] & 0xff;
    curr[i] = (byte)(raw + PNGEncodeParam.paethPredictor(priorPixel,
                       priorRow,
                       priorRowPixel));
  }
}

private static void decodePaethFilter(byte[] curr, byte[] prev,
                   int count, int bpp) {
  int raw, priorPixel, priorRow, priorRowPixel;
  for (int i = 0; i < bpp; i++) {
    raw = curr[i] & 0xff;
    priorRow = prev[i] & 0xff;
    curr[i] = (byte)(raw + priorRow);
  }
  for (int i = bpp; i < count; i++) {
    raw = curr[i] & 0xff;
    priorPixel = curr[i - bpp] & 0xff;
    priorRow = prev[i] & 0xff;
    priorRowPixel = prev[i - bpp] & 0xff;
    curr[i] = (byte)(raw + PNGEncodeParam.paethPredictor(priorPixel,
                       priorRow,
                       priorRowPixel));
  }
}

private static void decodePaethFilter(byte[] curr, byte[] prev,
                   int count, int bpp) {
  int raw, priorPixel, priorRow, priorRowPixel;
  for (int i = 0; i < bpp; i++) {
    raw = curr[i] & 0xff;
    priorRow = prev[i] & 0xff;
    curr[i] = (byte)(raw + priorRow);
  }
  for (int i = bpp; i < count; i++) {
    raw = curr[i] & 0xff;
    priorPixel = curr[i - bpp] & 0xff;
    priorRow = prev[i] & 0xff;
    priorRowPixel = prev[i - bpp] & 0xff;
    curr[i] = (byte)(raw + PNGEncodeParam.paethPredictor(priorPixel,
                       priorRow,
                       priorRowPixel));
  }
}

private static void decodePaethFilter(byte[] curr, byte[] prev,
                   int count, int bpp) {
  int raw, priorPixel, priorRow, priorRowPixel;
  for (int i = 0; i < bpp; i++) {
    raw = curr[i] & 0xff;
    priorRow = prev[i] & 0xff;
    curr[i] = (byte)(raw + priorRow);
  }
  for (int i = bpp; i < count; i++) {
    raw = curr[i] & 0xff;
    priorPixel = curr[i - bpp] & 0xff;
    priorRow = prev[i] & 0xff;
    priorRowPixel = prev[i - bpp] & 0xff;
    curr[i] = (byte)(raw + PNGEncodeParam.paethPredictor(priorPixel,
                       priorRow,
                       priorRowPixel));
  }
}

Javadoc

The Paeth predictor routine used in PNG encoding. This routine is included as a convenience to subclasses that override the filterRow method.

Popular methods of PNGEncodeParam

abs
An abs() function for use by the Paeth predictor.
addPrivateChunk
Adds a private chunk, in binary form, to the list of chunks to be stored with this image.
filterRow
Performs filtering on a row of an image. This method may be overridden in order to provide a custom
getChromaticity
Returns the white point and primary chromaticities in CIE (x, y) space. See the documentation for th
getCompressedText
Returns the text strings to be stored in compressed form with this image as an array of Strings. If
getDefaultEncodeParam
Returns an instance of PNGEncodeParam.Palette,PNGEncodeParam.Gray, or PNGEncodeParam.RGB appropriate
getGamma
Returns the file gamma value for the image. If the file gamma has not previously been set, or has be
getICCProfileData
Returns the ICC profile data to be stored with this image. If the ICC profile has not previously bee
getInterlacing
Returns true if Adam7 interlacing will be used.
getModificationTime
Returns the modification time to be stored with this image. If the bit depth has not previously been
getNumPrivateChunks
Returns the number of private chunks to be written to the output file.
getPaletteHistogram
Returns the palette histogram to be stored with this image. If the histogram has not previously been

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How to use paethPredictormethodin org.apache.batik.ext.awt.image.codec.png.PNGEncodeParam

Best Java code snippets using org.apache.batik.ext.awt.image.codec.png.PNGEncodeParam.paethPredictor (Showing top 4 results out of 315)

How to use
paethPredictor
method
in
org.apache.batik.ext.awt.image.codec.png.PNGEncodeParam