mirror of
https://github.com/unidoc/unipdf.git
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e85616cec2
* Prepared skeleton and basic component implementations for the jbig2 encoding. * Added Bitset. Implemented Bitmap. * Decoder with old Arithmetic Decoder * Partly working arithmetic * Working arithmetic decoder. * MMR patched. * rebuild to apache. * Working generic * Decoded full document * Decoded AnnexH document * Minor issues fixed. * Update README.md * Fixed generic region errors. Added benchmark. Added bitmap unpadder. Added Bitmap toImage method. * Fixed endofpage error * Added integration test. * Decoded all test files without errors. Implemented JBIG2Global. * Merged with v3 version * Fixed the EOF in the globals issue * Fixed the JBIG2 ChocolateData Decode * JBIG2 Added license information * Minor fix in jbig2 encoding. * Applied the logging convention * Cleaned unnecessary imports * Go modules clear unused imports * checked out the README.md * Moved trace to Debug. Fixed the build integrate tag in the document_decode_test.go * Applied UniPDF Developer Guide. Fixed lint issues. * Cleared documentation, fixed style issues. * Added jbig2 doc.go files. Applied unipdf guide style. * Minor code style changes. * Minor naming and style issues fixes. * Minor naming changes. Style issues fixed. * Review r11 fixes. * Integrate jbig2 tests with build system * Added jbig2 integration test golden files. * Minor jbig2 integration test fix * Removed jbig2 integration image assertions * Fixed jbig2 rowstride issue. Implemented jbig2 bit writer * Changed golden files logic. Fixes r13 issues.
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
/*
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* This file is subject to the terms and conditions defined in
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* file 'LICENSE.md', which is part of this source code package.
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*/
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package reader
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import (
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"io"
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)
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// StreamReader is the interface that allows to read bit, bits, byte, bytes change and get the
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// stream position, align the bits.
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type StreamReader interface {
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io.Reader
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io.ByteReader
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io.Seeker
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// Align resets the bits position of the given reader.
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// It returns how many bits left were skipped.
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Align() byte
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// BitPosition gets the current bit position.
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BitPosition() int
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// Mark marks a position in the stream to be returned to by a subsequent call to 'Reset'.
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Mark()
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// Length returns the length of the total data used by the reader.
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Length() uint64
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// ReadBit reads the next binary value from the current cache.
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// Equivalent of ReadBool method but returns an integer.
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ReadBit() (int, error)
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// ReadBits reads the bits of size 'n' from the reader.
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ReadBits(n byte) (uint64, error)
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// ReadBool reads the next binary value from the current cache.
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ReadBool() (bool, error)
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// Reset returns the stream pointer to its previous position, including the bit offset,
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// at the time of the most recent unmatched call to mark.
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Reset()
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// StreamPosition gets the stream position of the stream reader.
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StreamPosition() int64
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}
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