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java.lang.Objectorg.pdfbox.pdmodel.graphics.predictor.PredictorAlgorithm
org.pdfbox.pdmodel.graphics.predictor.None
The none algorithm.
None(i,j) = Raw(i,j)
Raw(i,j) = None(i,j)
Constructor Summary | |
None()
|
Method Summary | |
void |
decode(byte[] src,
byte[] dest)
decode a byte array full of image data using the filter that this object implements. |
void |
decodeLine(byte[] src,
byte[] dest,
int srcDy,
int srcOffset,
int destDy,
int destOffset)
decode line of pixel data in src from src_offset and width*bpp bytes forward, put the decoded bytes into dest. |
void |
encode(byte[] src,
byte[] dest)
encode a byte array full of image data using the filter that this object implements. |
void |
encodeLine(byte[] src,
byte[] dest,
int srcDy,
int srcOffset,
int destDy,
int destOffset)
encode line of pixel data in src from srcOffset and width*bpp bytes forward, put the decoded bytes into dest. |
Methods inherited from class org.pdfbox.pdmodel.graphics.predictor.PredictorAlgorithm |
aboveLeftPixel, abovePixel, checkBufsiz, getBpp, getFilter, getHeight, getWidth, leftPixel, main, setBpp, setHeight, setWidth |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public None()
Method Detail |
public void encode(byte[] src, byte[] dest)
encode
in class PredictorAlgorithm
src
- bufferdest
- bufferpublic void decode(byte[] src, byte[] dest)
decode
in class PredictorAlgorithm
src
- bufferdest
- bufferpublic void encodeLine(byte[] src, byte[] dest, int srcDy, int srcOffset, int destDy, int destOffset)
encodeLine
in class PredictorAlgorithm
src
- raw image datadest
- encoded datasrcDy
- byte offset between linessrcOffset
- beginning of line datadestDy
- byte offset between linesdestOffset
- beginning of line datapublic void decodeLine(byte[] src, byte[] dest, int srcDy, int srcOffset, int destDy, int destOffset)
decodeLine
in class PredictorAlgorithm
src
- encoded image datadest
- raw datasrcDy
- byte offset between linessrcOffset
- beginning of line datadestDy
- byte offset between linesdestOffset
- beginning of line data
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