mirror of
https://github.com/unidoc/unipdf.git
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c582323a8f
* 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 * Working generic * Decoded full document * Update Jenkinsfile go version [master] (#398) * Update Jenkinsfile go version * 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 * Initial encoder skeleton * 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. * Added JBIG2 Encoder skeleton. * Moved Document and Page to jbig2/document package. Created decoder package responsible for decoding jbig2 stream. * Implemented raster functions. * Added raster uni low test funcitons. * Added raster low test functions * untracked files on jbig2-encoder: c869089 Added raster low test functions * index on jbig2-encoder: c869089 Added raster low test functions * Added morph files. * implemented jbig2 encoder basics * JBIG2 Encoder - Generic method * Added jbig2 image encode ttests, black/white image tests * cleaned and tested jbig2 package * unfinished jbig2 classified encoder * jbig2 minor style changes * minor jbig2 encoder changes * prepared JBIG2 Encoder * Style and lint fixes * Minor changes and lints * Fixed shift unsinged value build errors * Minor naming change * Added jbig2 encode, image gondels. Fixed jbig2 decode bug. * Provided jbig2 core.DecodeGlobals function. * Fixed JBIG2Encoder `r6` revision issues. * Removed public JBIG2Encoder document. * Minor style changes * added NewJBIG2Encoder function. * fixed JBIG2Encoder 'r9' revision issues. * Cleared 'r9' commented code. * Updated ACKNOWLEDGEMENETS. Fixed JBIG2Encoder 'r10' revision issues. Co-authored-by: Gunnsteinn Hall <gunnsteinn.hall@gmail.com>
279 lines
9.4 KiB
Go
279 lines
9.4 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 mmr
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type mmrCode int
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const (
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codeP mmrCode = iota
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codeH
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codeV0
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codeVR1
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codeVR2
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codeVR3
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codeVL1
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codeVL2
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codeVL3
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codeExt2D
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codeExt1D
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)
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// Constants used be the MMR decoder.
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const (
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EOF = -3
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invalid = -2
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EOL = -1
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firstLevelTableSize = 8
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firstLevelTablemask = (1 << firstLevelTableSize) - 1
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secondLevelTableSize = 5
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secondLevelTableMask = (1 << secondLevelTableSize) - 1
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)
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var (
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// modeCodes are predefined codes for the runData.
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modeCodes = [][3]int{
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{4, 0x1, int(codeP)}, // 0001 pass
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{3, 0x1, int(codeH)}, // 001 horizontal
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{1, 0x1, int(codeV0)}, // 1 vert 0
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{3, 0x3, int(codeVR1)}, // 011 vert r 1
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{6, 0x3, int(codeVR2)}, // 000011 ver r2
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{7, 0x3, int(codeVR3)}, // 0000011 vertr3
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{3, 0x2, int(codeVL1)}, // 010 vert l 1
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{6, 0x2, int(codeVL2)}, // 000010 ver 1 2
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{7, 0x2, int(codeVL3)}, // 00000010 ver l 3
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{10, 0xf, int(codeExt2D)}, // 0000001111
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{12, 0xf, int(codeExt1D)}, // 0000000001111
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{12, 0x1, int(EOL)}, // 0000000000001
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}
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// whiteCodes are the 'white' codes for the runData.
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whiteCodes = [][3]int{
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{4, 0x07, 2}, // 0111
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{4, 0x08, 3}, // 1000
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{4, 0x0B, 4}, // 1011
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{4, 0x0C, 5}, // 1100
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{4, 0x0E, 6}, // 1110
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{4, 0x0F, 7}, // 1111
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{5, 0x12, 128}, // 1001 0
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{5, 0x13, 8}, // 1001 1
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{5, 0x14, 9}, // 1010 0
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{5, 0x1B, 64}, // 1101 1
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{5, 0x07, 10}, // 0011 1
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{5, 0x08, 11}, // 0100 0
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{6, 0x17, 192}, // 0101 11
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{6, 0x18, 1664}, // 0110 00
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{6, 0x2A, 16}, // 1010 10
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{6, 0x2B, 17}, // 1010 11
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{6, 0x03, 13}, // 0000 11
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{6, 0x34, 14}, // 1101 00
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{6, 0x35, 15}, // 1101 01
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{6, 0x07, 1}, // 0001 11
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{6, 0x08, 12}, // 0010 00
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{7, 0x13, 26}, // 0010 011
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{7, 0x17, 21}, // 0010 111
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{7, 0x18, 28}, // 0011 000
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{7, 0x24, 27}, // 0100 100
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{7, 0x27, 18}, // 0100 111
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{7, 0x28, 24}, // 0101 000
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{7, 0x2B, 25}, // 0101 011
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{7, 0x03, 22}, // 0000 011
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{7, 0x37, 256}, // 0110 111
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{7, 0x04, 23}, // 0000 100
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{7, 0x08, 20}, // 0001 000
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{7, 0xC, 19}, // 0001 100
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{8, 0x12, 33}, // 0001 0010
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{8, 0x13, 34}, // 0001 0011
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{8, 0x14, 35}, // 0001 0100
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{8, 0x15, 36}, // 0001 0101
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{8, 0x16, 37}, // 0001 0110
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{8, 0x17, 38}, // 0001 0111
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{8, 0x1A, 31}, // 0001 1010
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{8, 0x1B, 32}, // 0001 1011
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{8, 0x02, 29}, // 0000 0010
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{8, 0x24, 53}, // 0010 0100
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{8, 0x25, 54}, // 0010 0101
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{8, 0x28, 39}, // 0010 1000
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{8, 0x29, 40}, // 0010 1001
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{8, 0x2A, 41}, // 0010 1010
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{8, 0x2B, 42}, // 0010 1011
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{8, 0x2C, 43}, // 0010 1100
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{8, 0x2D, 44}, // 0010 1101
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{8, 0x03, 30}, // 0000 0011
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{8, 0x32, 61}, // 0011 0010
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{8, 0x33, 62}, // 0011 0011
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{8, 0x34, 63}, // 0011 0100
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{8, 0x35, 0}, // 0011 0101
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{8, 0x36, 320}, // 0011 0110
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{8, 0x37, 384}, // 0011 0111
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{8, 0x04, 45}, // 0000 0100
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{8, 0x4A, 59}, // 0100 1010
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{8, 0x4B, 60}, // 0100 1011
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{8, 0x5, 46}, // 0000 0101
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{8, 0x52, 49}, // 0101 0010
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{8, 0x53, 50}, // 0101 0011
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{8, 0x54, 51}, // 0101 0100
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{8, 0x55, 52}, // 0101 0101
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{8, 0x58, 55}, // 0101 1000
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{8, 0x59, 56}, // 0101 1001
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{8, 0x5A, 57}, // 0101 1010
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{8, 0x5B, 58}, // 0101 1011
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{8, 0x64, 448}, // 0110 0100
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{8, 0x65, 512}, // 0110 0101
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{8, 0x67, 640}, // 0110 0111
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{8, 0x68, 576}, // 0110 1000
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{8, 0x0A, 47}, // 0000 1010
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{8, 0x0B, 48}, // 0000 1011
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{9, 0x01, invalid}, // 0000 0000 1
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{9, 0x98, 1472}, // 0100 1100 0
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{9, 0x99, 1536}, // 0100 1100 1
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{9, 0x9A, 1600}, // 0100 1101 0
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{9, 0x9B, 1728}, // 0100 1101 1
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{9, 0xCC, 704}, // 0110 0110 0
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{9, 0xCD, 768}, // 0110 0110 1
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{9, 0xD2, 832}, // 0110 1001 0
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{9, 0xD3, 896}, // 0110 1001 1
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{9, 0xD4, 960}, // 0110 1010 0
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{9, 0xD5, 1024}, // 0110 1010 1
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{9, 0xD6, 1088}, // 0110 1011 0
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{9, 0xD7, 1152}, // 0110 1011 1
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{9, 0xD8, 1216}, // 0110 1100 0
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{9, 0xD9, 1280}, // 0110 1100 1
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{9, 0xDA, 1344}, // 0110 1101 0
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{9, 0xDB, 1408}, // 0110 1101 1
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{10, 0x01, invalid}, // 0000 0000 01
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{11, 0x01, invalid}, // 0000 0000 001
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{11, 0x08, 1792}, // 0000 0001 000
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{11, 0x0C, 1856}, // 0000 0001 100
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{11, 0x0D, 1920}, // 0000 0001 101
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{12, 0x00, EOF}, // 0000 0000 0000
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{12, 0x01, EOL}, // 0000 0000 0001
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{12, 0x12, 1984}, // 0000 0001 0010
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{12, 0x13, 2048}, // 0000 0001 0011
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{12, 0x14, 2112}, // 0000 0001 0100
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{12, 0x15, 2176}, // 0000 0001 0101
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{12, 0x16, 2240}, // 0000 0001 0110
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{12, 0x17, 2304}, // 0000 0001 0111
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{12, 0x1C, 2368}, // 0000 0001 1100
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{12, 0x1D, 2432}, // 0000 0001 1101
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{12, 0x1E, 2496}, // 0000 0001 1110
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{12, 0x1F, 2560},
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}
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// blackCodes are the 'black' codes used by the runData
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blackCodes = [][3]int{
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{2, 0x02, 3}, // 10
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{2, 0x03, 2}, // 11
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{3, 0x02, 1}, // 010
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{3, 0x03, 4}, // 011
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{4, 0x02, 6}, // 0010
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{4, 0x03, 5}, // 0011
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{5, 0x03, 7}, // 0001 1
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{6, 0x04, 9}, // 0001 00
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{6, 0x05, 8}, // 0001 01
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{7, 0x04, 10}, // 0000 100
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{7, 0x05, 11}, // 0000 101
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{7, 0x07, 12}, // 0000 111
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{8, 0x04, 13}, // 0000 0100
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{8, 0x07, 14}, // 0000 0111
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{9, 0x01, invalid}, // 0000 0000 1
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{9, 0x18, 15}, // 0000 1100 0
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{10, 0x01, invalid}, // 0000 0000 01
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{10, 0x17, 16}, // 0000 0101 11
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{10, 0x18, 17}, // 0000 0110 00
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{10, 0x37, 0}, // 0000 1101 11
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{10, 0x08, 18}, // 0000 0010 00
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{10, 0x0F, 64}, // 0000 0011 11
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{11, 0x01, invalid}, // 0000 0000 001
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{11, 0x17, 24}, // 0000 0010 111
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{11, 0x18, 25}, // 0000 0011 000
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{11, 0x28, 23}, // 0000 0101 000
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{11, 0x37, 22}, // 0000 0110 111
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{11, 0x67, 19}, // 0000 1100 111
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{11, 0x68, 20}, // 0000 1101 000
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{11, 0x6C, 21}, // 0000 1101 100
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{11, 0x08, 1792}, // 0000 0001 000
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{11, 0x0C, 1856}, // 0000 0001 100
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{11, 0x0D, 1920}, // 0000 0001 101
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{12, 0x00, EOF}, // 0000 0000 0000
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{12, 0x01, EOL}, // 0000 0000 0001
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{12, 0x12, 1984}, // 0000 0001 0010
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{12, 0x13, 2048}, // 0000 0001 0011
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{12, 0x14, 2112}, // 0000 0001 0100
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{12, 0x15, 2176}, // 0000 0001 0101
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{12, 0x16, 2240}, // 0000 0001 0110
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{12, 0x17, 2304}, // 0000 0001 0111
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{12, 0x1C, 2368}, // 0000 0001 1100
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{12, 0x1D, 2432}, // 0000 0001 1101
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{12, 0x1E, 2496}, // 0000 0001 1110
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{12, 0x1F, 2560}, // 0000 0001 1111
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{12, 0x24, 52}, // 0000 0010 0100
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{12, 0x27, 55}, // 0000 0010 0111
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{12, 0x28, 56}, // 0000 0010 1000
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{12, 0x2B, 59}, // 0000 0010 1011
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{12, 0x2C, 60}, // 0000 0010 1100
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{12, 0x33, 320}, // 0000 0011 0011
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{12, 0x34, 384}, // 0000 0011 0100
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{12, 0x35, 448}, // 0000 0011 0101
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{12, 0x37, 53}, // 0000 0011 0111
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{12, 0x38, 54}, // 0000 0011 1000
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{12, 0x52, 50}, // 0000 0101 0010
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{12, 0x53, 51}, // 0000 0101 0011
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{12, 0x54, 44}, // 0000 0101 0100
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{12, 0x55, 45}, // 0000 0101 0101
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{12, 0x56, 46}, // 0000 0101 0110
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{12, 0x57, 47}, // 0000 0101 0111
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{12, 0x58, 57}, // 0000 0101 1000
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{12, 0x59, 58}, // 0000 0101 1001
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{12, 0x5A, 61}, // 0000 0101 1010
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{12, 0x5B, 256}, // 0000 0101 1011
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{12, 0x64, 48}, // 0000 0110 0100
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{12, 0x65, 49}, // 0000 0110 0101
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{12, 0x66, 62}, // 0000 0110 0110
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{12, 0x67, 63}, // 0000 0110 0111
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{12, 0x68, 30}, // 0000 0110 1000
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{12, 0x69, 31}, // 0000 0110 1001
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{12, 0x6A, 32}, // 0000 0110 1010
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{12, 0x6B, 33}, // 0000 0110 1011
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{12, 0x6C, 40}, // 0000 0110 1100
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{12, 0x6D, 41}, // 0000 0110 1101
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{12, 0xC8, 128}, // 0000 1100 1000
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{12, 0xC9, 192}, // 0000 1100 1001
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{12, 0xCA, 26}, // 0000 1100 1010
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{12, 0xCB, 27}, // 0000 1100 1011
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{12, 0xCC, 28}, // 0000 1100 1100
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{12, 0xCD, 29}, // 0000 1100 1101
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{12, 0xD2, 34}, // 0000 1101 0010
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{12, 0xD3, 35}, // 0000 1101 0011
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{12, 0xD4, 36}, // 0000 1101 0100
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{12, 0xD5, 37}, // 0000 1101 0101
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{12, 0xD6, 38}, // 0000 1101 0110
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{12, 0xD7, 39}, // 0000 1101 0111
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{12, 0xDA, 42}, // 0000 1101 1010
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{12, 0xDB, 43}, // 0000 1101 1011
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{13, 0x4A, 640}, // 0000 0010 0101 0
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{13, 0x4B, 704}, // 0000 0010 0101 1
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{13, 0x4C, 768}, // 0000 0010 0110 0
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{13, 0x4D, 832}, // 0000 0010 0110 1
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{13, 0x52, 1280}, // 0000 0010 1001 0
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{13, 0x53, 1344}, // 0000 0010 1001 1
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{13, 0x54, 1408}, // 0000 0010 1010 0
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{13, 0x55, 1472}, // 0000 0010 1010 1
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{13, 0x5A, 1536}, // 0000 0010 1101 0
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{13, 0x5B, 1600}, // 0000 0010 1101 1
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{13, 0x64, 1664}, // 0000 0011 0010 0
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{13, 0x65, 1728}, // 0000 0011 0010 1
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{13, 0x6C, 512}, // 0000 0011 0110 0
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{13, 0x6D, 576}, // 0000 0011 0110 1
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{13, 0x72, 896}, // 0000 0011 1001 0
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{13, 0x73, 960}, // 0000 0011 1001 1
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{13, 0x74, 1024}, // 0000 0011 1010 0
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{13, 0x75, 1088}, // 0000 0011 1010 1
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{13, 0x76, 1152}, // 0000 0011 1011 0
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{13, 0x77, 1216}, // 0000 0011 1011 1
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}
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)
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