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NextApp Echo App Container 1.0.5 |
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java.lang.Object nextapp.echoservlet.image.PngEncoder.UpFilter
An implementation of an "Up" filter.
Constructor Summary | |
private |
PngEncoder.UpFilter()
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Method Summary | |
void |
filter(byte[] filterOutput,
byte[] currentRow,
byte[] previousRow,
int outputBpp)
Filters the data in a given row of the image. |
int |
getType()
Returns the PNG type code for the filter. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
private PngEncoder.UpFilter()
Method Detail |
public void filter(byte[] filterOutput, byte[] currentRow, byte[] previousRow, int outputBpp)
PngEncoder.Filter
filter
in interface PngEncoder.Filter
currentRow
- A byte array containing the data of the row of the
image to be filtered.previousRow
- A byte array containing the data of the previous
row of the image to be filtered.filterOutput
- A byte array into which the filtered data will
be placed.PngEncoder.Filter.filter(byte[], byte[], byte[], int)
public int getType()
PngEncoder.Filter
getType
in interface PngEncoder.Filter
PngEncoder.Filter.getType()
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