mirror of
https://github.com/unidoc/unipdf.git
synced 2025-05-02 22:17:06 +08:00
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
/*
|
|
* This file is subject to the terms and conditions defined in
|
|
* file 'LICENSE.md', which is part of this source code package.
|
|
*/
|
|
|
|
package reader
|
|
|
|
import (
|
|
"io"
|
|
)
|
|
|
|
// StreamReader is the interface that allows to read bit, bits, byte, bytes change and get the
|
|
// stream position, align the bits.
|
|
type StreamReader interface {
|
|
io.Reader
|
|
io.ByteReader
|
|
io.Seeker
|
|
|
|
// Align resets the bits position of the given reader.
|
|
// It returns how many bits left were skipped.
|
|
Align() byte
|
|
|
|
// BitPosition gets the current bit position.
|
|
BitPosition() int
|
|
|
|
// Mark marks a position in the stream to be returned to by a subsequent call to 'Reset'.
|
|
Mark()
|
|
|
|
// Length returns the length of the total data used by the reader.
|
|
Length() uint64
|
|
|
|
// ReadBit reads the next binary value from the current cache.
|
|
// Equivalent of ReadBool method but returns an integer.
|
|
ReadBit() (int, error)
|
|
|
|
// ReadBits reads the bits of size 'n' from the reader.
|
|
ReadBits(n byte) (uint64, error)
|
|
|
|
// ReadBool reads the next binary value from the current cache.
|
|
ReadBool() (bool, error)
|
|
|
|
// Reset returns the stream pointer to its previous position, including the bit offset,
|
|
// at the time of the most recent unmatched call to mark.
|
|
Reset()
|
|
|
|
// StreamPosition gets the stream position of the stream reader.
|
|
StreamPosition() int64
|
|
}
|