Field Detail

• ID

  public static final String ID

  See Also:

  Constant Field Values

Constructor Detail

• PngChunkTRNS

  public PngChunkTRNS(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 c)

  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

• setRGB

  public void setRGB(int r,
            int g,
            int b)

  Set rgb values

• getRGB

  public int[] getRGB()

• getRGB888

  public int getRGB888()

• setGray

  public void setGray(int g)

• getGray

  public int getGray()

• setPalletteAlpha

  public void setPalletteAlpha(int[] palAlpha)

  WARNING: non deep copy

• setIndexEntryAsTransparent

  public void setIndexEntryAsTransparent(int palAlphaIndex)

  to use when only one pallete index is set as totally transparent

• getPalletteAlpha

  public int[] getPalletteAlpha()

  WARNING: non deep copy