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org.apache.batik.ext.awt.image.codec.png
Class PNGRed

java.lang.Object
  extended by org.apache.batik.ext.awt.image.rendered.AbstractRed
      extended by org.apache.batik.ext.awt.image.codec.png.PNGRed
All Implemented Interfaces:
RenderedImage, CachableRed
public class PNGRed
extends AbstractRed

Field Summary
static int PNG_COLOR_GRAY
           
static int PNG_COLOR_GRAY_ALPHA
           
static int PNG_COLOR_PALETTE
           
static int PNG_COLOR_RGB
           
static int PNG_COLOR_RGB_ALPHA
           
static int PNG_FILTER_AVERAGE
           
static int PNG_FILTER_NONE
           
static int PNG_FILTER_PAETH
           
static int PNG_FILTER_SUB
           
static int PNG_FILTER_UP
           
 
Fields inherited from class org.apache.batik.ext.awt.image.rendered.AbstractRed
cm, minTileX, minTileY, numXTiles, numYTiles, props, sm, srcs, tileGridXOff, tileGridYOff, tileHeight, tileWidth
 
Constructor Summary
PNGRed(InputStream stream)
           
PNGRed(InputStream stream, PNGDecodeParam decodeParam)
           
 
Method Summary
 WritableRaster copyData(WritableRaster wr)
           
static ColorModel createComponentColorModel(SampleModel sm)
          A convenience method to create an instance of ComponentColorModel suitable for use with the given SampleModel.
 Raster getTile(int tileX, int tileY)
           
 
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
 

Field Detail

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

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
Constructor Detail

PNGRed

public PNGRed(InputStream stream)
       throws IOException
Throws:
IOException

PNGRed

public PNGRed(InputStream stream,
              PNGDecodeParam decodeParam)
       throws IOException
Throws:
IOException
Method Detail

createComponentColorModel

public static ColorModel createComponentColorModel(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.

copyData

public WritableRaster copyData(WritableRaster wr)

getTile

public Raster getTile(int tileX,
                      int tileY)
Specified by:
getTile in interface RenderedImage
Overrides:
getTile in class AbstractRed
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