java.lang.Object
org.apache.batik.ext.awt.image.rendered.AbstractRed
org.apache.batik.ext.awt.image.codec.PNGRed
- All Implemented Interfaces:
- org.apache.batik.ext.awt.image.rendered.CachableRed, java.awt.image.RenderedImage
- public class PNGRed
- extends org.apache.batik.ext.awt.image.rendered.AbstractRed
| Fields inherited from class org.apache.batik.ext.awt.image.rendered.AbstractRed |
cm, minTileX, minTileY, numXTiles, numYTiles, props, sm, srcs, tileGridXOff, tileGridYOff, tileHeight, tileWidth |
|
Method Summary |
java.awt.image.WritableRaster |
copyData(java.awt.image.WritableRaster wr)
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static java.awt.image.ColorModel |
createComponentColorModel(java.awt.image.SampleModel sm)
A convenience method to create an instance of
ComponentColorModel suitable for use with the
given SampleModel. |
private java.awt.image.WritableRaster |
createRaster(int width,
int height,
int bands,
int scanlineStride,
int bitDepth)
|
private static void |
decodeAverageFilter(byte[] curr,
byte[] prev,
int count,
int bpp)
|
private void |
decodeImage(boolean useInterlacing)
|
private static void |
decodePaethFilter(byte[] curr,
byte[] prev,
int count,
int bpp)
|
private void |
decodePass(java.awt.image.WritableRaster imRas,
int xOffset,
int yOffset,
int xStep,
int yStep,
int passWidth,
int passHeight)
Reads in an image of a given size and returns it as a
WritableRaster. |
private static void |
decodeSubFilter(byte[] curr,
int count,
int bpp)
|
private static void |
decodeUpFilter(byte[] curr,
byte[] prev,
int count)
|
private static java.lang.String |
getChunkType(java.io.DataInputStream distream)
|
java.awt.image.Raster |
getTile(int tileX,
int tileY)
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private void |
initGammaLut(int bits)
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private void |
initGrayLut(int bits)
|
private static int |
paethPredictor(int a,
int b,
int c)
|
private void |
parse_bKGD_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_cHRM_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_gAMA_chunk(PNGRed.PNGChunk chunk)
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private void |
parse_hIST_chunk(PNGRed.PNGChunk chunk)
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private void |
parse_iCCP_chunk(PNGRed.PNGChunk chunk)
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private void |
parse_IEND_chunk(PNGRed.PNGChunk chunk)
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private void |
parse_IHDR_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_pHYs_chunk(PNGRed.PNGChunk chunk)
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private void |
parse_PLTE_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_sBIT_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_sRGB_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_tEXt_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_tIME_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_tRNS_chunk(PNGRed.PNGChunk chunk)
|
private void |
parse_zTXt_chunk(PNGRed.PNGChunk chunk)
|
private void |
processPixels(int process,
java.awt.image.Raster src,
java.awt.image.WritableRaster dst,
int xOffset,
int step,
int y,
int width)
|
private static PNGRed.PNGChunk |
readChunk(java.io.DataInputStream distream)
|
| Methods inherited from class org.apache.batik.ext.awt.image.rendered.AbstractRed |
copyBand, copyToRaster, getBounds, getColorModel, getData, getData, getDependencyRegion, getDirtyRegion, getHeight, getMinTileX, getMinTileY, getMinX, getMinY, getNumXTiles, getNumYTiles, getProperty, getPropertyNames, getSampleModel, getSources, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, getWidth, getXTile, getYTile, init, init, makeTile, updateTileGridInfo |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
PNG_COLOR_GRAY
public static final int PNG_COLOR_GRAY
- See Also:
- Constant Field Values
PNG_COLOR_RGB
public static final int PNG_COLOR_RGB
- See Also:
- Constant Field Values
PNG_COLOR_PALETTE
public static final int PNG_COLOR_PALETTE
- See Also:
- Constant Field Values
PNG_COLOR_GRAY_ALPHA
public static final int PNG_COLOR_GRAY_ALPHA
- See Also:
- Constant Field Values
PNG_COLOR_RGB_ALPHA
public static final int PNG_COLOR_RGB_ALPHA
- See Also:
- Constant Field Values
colorTypeNames
private static final java.lang.String[] colorTypeNames
PNG_FILTER_NONE
public static final int PNG_FILTER_NONE
- See Also:
- Constant Field Values
PNG_FILTER_SUB
public static final int PNG_FILTER_SUB
- See Also:
- Constant Field Values
PNG_FILTER_UP
public static final int PNG_FILTER_UP
- See Also:
- Constant Field Values
PNG_FILTER_AVERAGE
public static final int PNG_FILTER_AVERAGE
- See Also:
- Constant Field Values
PNG_FILTER_PAETH
public static final int PNG_FILTER_PAETH
- See Also:
- Constant Field Values
RED_OFFSET
private static final int RED_OFFSET
- See Also:
- Constant Field Values
GREEN_OFFSET
private static final int GREEN_OFFSET
- See Also:
- Constant Field Values
BLUE_OFFSET
private static final int BLUE_OFFSET
- See Also:
- Constant Field Values
bandOffsets
private int[][] bandOffsets
bitDepth
private int bitDepth
colorType
private int colorType
compressionMethod
private int compressionMethod
filterMethod
private int filterMethod
interlaceMethod
private int interlaceMethod
paletteEntries
private int paletteEntries
redPalette
private byte[] redPalette
greenPalette
private byte[] greenPalette
bluePalette
private byte[] bluePalette
alphaPalette
private byte[] alphaPalette
bkgdRed
private int bkgdRed
bkgdGreen
private int bkgdGreen
bkgdBlue
private int bkgdBlue
grayTransparentAlpha
private int grayTransparentAlpha
redTransparentAlpha
private int redTransparentAlpha
greenTransparentAlpha
private int greenTransparentAlpha
blueTransparentAlpha
private int blueTransparentAlpha
maxOpacity
private int maxOpacity
significantBits
private int[] significantBits
hasBackground
private boolean hasBackground
suppressAlpha
private boolean suppressAlpha
expandPalette
private boolean expandPalette
output8BitGray
private boolean output8BitGray
outputHasAlphaPalette
private boolean outputHasAlphaPalette
performGammaCorrection
private boolean performGammaCorrection
expandGrayAlpha
private boolean expandGrayAlpha
generateEncodeParam
private boolean generateEncodeParam
decodeParam
private PNGDecodeParam decodeParam
encodeParam
private PNGEncodeParam encodeParam
emitProperties
private boolean emitProperties
fileGamma
private float fileGamma
userExponent
private float userExponent
displayExponent
private float displayExponent
chromaticity
private float[] chromaticity
sRGBRenderingIntent
private int sRGBRenderingIntent
postProcess
private int postProcess
POST_NONE
private static final int POST_NONE
- See Also:
- Constant Field Values
POST_GAMMA
private static final int POST_GAMMA
- See Also:
- Constant Field Values
POST_GRAY_LUT
private static final int POST_GRAY_LUT
- See Also:
- Constant Field Values
POST_GRAY_LUT_ADD_TRANS
private static final int POST_GRAY_LUT_ADD_TRANS
- See Also:
- Constant Field Values
POST_PALETTE_TO_RGB
private static final int POST_PALETTE_TO_RGB
- See Also:
- Constant Field Values
POST_PALETTE_TO_RGBA
private static final int POST_PALETTE_TO_RGBA
- See Also:
- Constant Field Values
POST_ADD_GRAY_TRANS
private static final int POST_ADD_GRAY_TRANS
- See Also:
- Constant Field Values
POST_ADD_RGB_TRANS
private static final int POST_ADD_RGB_TRANS
- See Also:
- Constant Field Values
POST_REMOVE_GRAY_TRANS
private static final int POST_REMOVE_GRAY_TRANS
- See Also:
- Constant Field Values
POST_REMOVE_RGB_TRANS
private static final int POST_REMOVE_RGB_TRANS
- See Also:
- Constant Field Values
POST_EXP_MASK
private static final int POST_EXP_MASK
- See Also:
- Constant Field Values
POST_GRAY_ALPHA_EXP
private static final int POST_GRAY_ALPHA_EXP
- See Also:
- Constant Field Values
POST_GAMMA_EXP
private static final int POST_GAMMA_EXP
- See Also:
- Constant Field Values
POST_GRAY_LUT_ADD_TRANS_EXP
private static final int POST_GRAY_LUT_ADD_TRANS_EXP
- See Also:
- Constant Field Values
POST_ADD_GRAY_TRANS_EXP
private static final int POST_ADD_GRAY_TRANS_EXP
- See Also:
- Constant Field Values
streamVec
private java.util.Vector streamVec
dataStream
private java.io.DataInputStream dataStream
bytesPerPixel
private int bytesPerPixel
inputBands
private int inputBands
outputBands
private int outputBands
chunkIndex
private int chunkIndex
textKeys
private java.util.Vector textKeys
textStrings
private java.util.Vector textStrings
ztextKeys
private java.util.Vector ztextKeys
ztextStrings
private java.util.Vector ztextStrings
theTile
private java.awt.image.WritableRaster theTile
bounds
private java.awt.Rectangle bounds
properties
private java.util.Hashtable properties
- A Hashtable containing the image properties.
gammaLut
private int[] gammaLut
expandBits
private final byte[][] expandBits
grayLut
private int[] grayLut
GrayBits8
private static final int[] GrayBits8
colorModelGray8
private static final java.awt.image.ComponentColorModel colorModelGray8
GrayAlphaBits8
private static final int[] GrayAlphaBits8
colorModelGrayAlpha8
private static final java.awt.image.ComponentColorModel colorModelGrayAlpha8
GrayBits16
private static final int[] GrayBits16
colorModelGray16
private static final java.awt.image.ComponentColorModel colorModelGray16
GrayAlphaBits16
private static final int[] GrayAlphaBits16
colorModelGrayAlpha16
private static final java.awt.image.ComponentColorModel colorModelGrayAlpha16
GrayBits32
private static final int[] GrayBits32
colorModelGray32
private static final java.awt.image.ComponentColorModel colorModelGray32
GrayAlphaBits32
private static final int[] GrayAlphaBits32
colorModelGrayAlpha32
private static final java.awt.image.ComponentColorModel colorModelGrayAlpha32
RGBBits8
private static final int[] RGBBits8
colorModelRGB8
private static final java.awt.image.ComponentColorModel colorModelRGB8
RGBABits8
private static final int[] RGBABits8
colorModelRGBA8
private static final java.awt.image.ComponentColorModel colorModelRGBA8
RGBBits16
private static final int[] RGBBits16
colorModelRGB16
private static final java.awt.image.ComponentColorModel colorModelRGB16
RGBABits16
private static final int[] RGBABits16
colorModelRGBA16
private static final java.awt.image.ComponentColorModel colorModelRGBA16
RGBBits32
private static final int[] RGBBits32
colorModelRGB32
private static final java.awt.image.ComponentColorModel colorModelRGB32
RGBABits32
private static final int[] RGBABits32
colorModelRGBA32
private static final java.awt.image.ComponentColorModel colorModelRGBA32
PNGRed
public PNGRed(java.io.InputStream stream)
throws java.io.IOException
PNGRed
public PNGRed(java.io.InputStream stream,
PNGDecodeParam decodeParam)
throws java.io.IOException
initGammaLut
private void initGammaLut(int bits)
initGrayLut
private void initGrayLut(int bits)
getChunkType
private static java.lang.String getChunkType(java.io.DataInputStream distream)
readChunk
private static PNGRed.PNGChunk readChunk(java.io.DataInputStream distream)
parse_IHDR_chunk
private void parse_IHDR_chunk(PNGRed.PNGChunk chunk)
parse_IEND_chunk
private void parse_IEND_chunk(PNGRed.PNGChunk chunk)
throws java.lang.Exception
createComponentColorModel
public static java.awt.image.ColorModel createComponentColorModel(java.awt.image.SampleModel sm)
- A convenience method to create an instance of
ComponentColorModel suitable for use with the
given SampleModel. The SampleModel
should have a data type of DataBuffer.TYPE_BYTE,
TYPE_USHORT, or TYPE_INT and between
1 and 4 bands. Depending on the number of bands of the
SampleModel, either a gray, gray+alpha, rgb, or
rgb+alpha ColorModel is returned.
parse_PLTE_chunk
private void parse_PLTE_chunk(PNGRed.PNGChunk chunk)
parse_bKGD_chunk
private void parse_bKGD_chunk(PNGRed.PNGChunk chunk)
parse_cHRM_chunk
private void parse_cHRM_chunk(PNGRed.PNGChunk chunk)
parse_gAMA_chunk
private void parse_gAMA_chunk(PNGRed.PNGChunk chunk)
parse_hIST_chunk
private void parse_hIST_chunk(PNGRed.PNGChunk chunk)
parse_iCCP_chunk
private void parse_iCCP_chunk(PNGRed.PNGChunk chunk)
parse_pHYs_chunk
private void parse_pHYs_chunk(PNGRed.PNGChunk chunk)
parse_sBIT_chunk
private void parse_sBIT_chunk(PNGRed.PNGChunk chunk)
parse_sRGB_chunk
private void parse_sRGB_chunk(PNGRed.PNGChunk chunk)
parse_tEXt_chunk
private void parse_tEXt_chunk(PNGRed.PNGChunk chunk)
parse_tIME_chunk
private void parse_tIME_chunk(PNGRed.PNGChunk chunk)
parse_tRNS_chunk
private void parse_tRNS_chunk(PNGRed.PNGChunk chunk)
parse_zTXt_chunk
private void parse_zTXt_chunk(PNGRed.PNGChunk chunk)
createRaster
private java.awt.image.WritableRaster createRaster(int width,
int height,
int bands,
int scanlineStride,
int bitDepth)
decodeSubFilter
private static void decodeSubFilter(byte[] curr,
int count,
int bpp)
decodeUpFilter
private static void decodeUpFilter(byte[] curr,
byte[] prev,
int count)
decodeAverageFilter
private static void decodeAverageFilter(byte[] curr,
byte[] prev,
int count,
int bpp)
paethPredictor
private static int paethPredictor(int a,
int b,
int c)
decodePaethFilter
private static void decodePaethFilter(byte[] curr,
byte[] prev,
int count,
int bpp)
processPixels
private void processPixels(int process,
java.awt.image.Raster src,
java.awt.image.WritableRaster dst,
int xOffset,
int step,
int y,
int width)
decodePass
private void decodePass(java.awt.image.WritableRaster imRas,
int xOffset,
int yOffset,
int xStep,
int yStep,
int passWidth,
int passHeight)
- Reads in an image of a given size and returns it as a
WritableRaster.
decodeImage
private void decodeImage(boolean useInterlacing)
copyData
public java.awt.image.WritableRaster copyData(java.awt.image.WritableRaster wr)
getTile
public java.awt.image.Raster getTile(int tileX,
int tileY)
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