Field Detail

• ID

  public static final String ID

  See Also:

  Constant Field Values

Constructor Detail

• PngChunkPHYS

  public PngChunkPHYS(ImageInfo info)

Method Detail

• getOrderingConstraint

  public PngChunk.ChunkOrderingConstraint getOrderingConstraint()

  Description copied from class: PngChunk
  see PngChunk.ChunkOrderingConstraint

  Specified by:

  getOrderingConstraint in class PngChunk

• createRawChunk

  public ChunkRaw createRawChunk()

  Description copied from class: PngChunk
  Creates the physical chunk. This is used when writing (serialization). Each particular chunk class implements its own logic.

  Specified by:

  createRawChunk in class PngChunk

  Returns:

  A newly allocated and filled raw chunk

• parseFromRaw

  public void parseFromRaw(ChunkRaw chunk)

  Description copied from class: PngChunk
  Parses raw chunk and fill inside data. This is used when reading (deserialization). Each particular chunk class implements its own logic.

  Specified by:

  parseFromRaw in class PngChunk

• cloneForWrite

  public PngChunk cloneForWrite(ImageInfo imgInfo)

  Description copied from class: PngChunk
  Makes a copy of the chunk.

  This is used when copying chunks from a reader to a writer

  This is usually a (shallow) copy, and after the cloning this.equals(other) should return true

  Specified by:

  cloneForWrite in class PngChunk

• getPixelsxUnitX

  public long getPixelsxUnitX()

• setPixelsxUnitX

  public void setPixelsxUnitX(long pixelsxUnitX)

• getPixelsxUnitY

  public long getPixelsxUnitY()

• setPixelsxUnitY

  public void setPixelsxUnitY(long pixelsxUnitY)

• getUnits

  public int getUnits()

• setUnits

  public void setUnits(int units)

• getAsDpi

  public double getAsDpi()

  returns -1 if the physicial unit is unknown, or X-Y are not equal

• getAsDpi2

  public double[] getAsDpi2()

  returns -1 if the physicial unit is unknown

• setAsDpi

  public void setAsDpi(double dpi)

• setAsDpi2

  public void setAsDpi2(double dpix,
               double dpiy)