Class PngCrc
java.lang.Object
org.apache.commons.imaging.formats.png.PngCrc
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final long[]
private boolean
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionfinal long
continue_partial_crc
(long old_crc, byte[] buf, int len) final int
crc
(byte[] buf, int len) final long
finish_partial_crc
(long old_crc) private void
final long
start_partial_crc
(byte[] buf, int len) private long
update_crc
(long crc, byte[] buf)
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Field Details
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crc_table
private final long[] crc_table -
crc_table_computed
private boolean crc_table_computed
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Constructor Details
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PngCrc
PngCrc()
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Method Details
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make_crc_table
private void make_crc_table() -
update_crc
private long update_crc(long crc, byte[] buf) -
crc
public final int crc(byte[] buf, int len) -
start_partial_crc
public final long start_partial_crc(byte[] buf, int len) -
continue_partial_crc
public final long continue_partial_crc(long old_crc, byte[] buf, int len) -
finish_partial_crc
public final long finish_partial_crc(long old_crc)
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