1Changes for libdmtx 2----------------------------------------------------------------- 3 4version 0.7.5 [March 2018] 5 https://github.com/dmtx/libdmtx/compare/v0.7.4..v0.7.5 6 Please, use similar way to check changelog for the next versions. 7 8version 0.7.4 [June 2011] 9 library: Relicensed to use Simplified BSD with waiver option 10 library: Added new error codes and messages in dmtxencode.c 11 library: Added DmtxByteList struct and supporting functions 12 library: Changed file header with updated text 13 library: Fixed ECC bug for 144x144 case (thanks Huver!) 14 library: New Reed Solomon implementation 15 library: New repository structure: libdmtx, dmtx-utils, and dmtx-wrappers 16 testing: Added test in compare_generated.sh to create directory if needed 17 testing: Fix compare_generated.sh to prevent false negatives 18 encoder: Review CHK macro strategy 19 encoder: New encoding implementation 20 encoder: Added Base 256 "encode to end of symbol" single byte header 21 encoder: Check ProcessEndOfSymbolTriplet() for same problem fixed in Edifact 22 encoder: Clean up PushCTXValues() passFail handling 23 encoder: Fixed all encoding bugs reported by compare_generated.sh 24 encoder: Fixed encoding bug affecting certain end-of-symbol conditions 25 encoder: Replaced "twothirdsbits" encoder concept (major source of headaches) 26 encoder: Track intermediate states in "optimize best" to handle all possibilities 27 decoder: Use new Edifact decode function that doesn't assume full triplet 28 29version 0.7.2 [September 2009] 30 Added initial macro decoding support (thanks Marlon!) 31 Fast quad fill for dmtxDecodeMatrixRegion() (thanks Mackenzie!) 32 Fixed capacity bug with rectangle requests 33 New Vala wrapper (thanks Evan!) 34 Wrapper integration in build system (thanks Evan!) 35 Add libdmtx-X.X.X.zip as source package option 36 Add libdmtx-win32-X.X.X.zip as binary package option 37 Add "project" directory to EXTRA_DIST in Makefile.am 38 39version 0.7.0 [March 2009] 40 New Java wrapper (thanks Pete and Dikran!) 41 New .NET wrapper (thanks Vali and Joe!) 42 Added solution and project files for MS Visual Studio 9.0 43 Reader support for FNC1 and upper shift (thanks Robin!) 44 Support for byte-padded rows through dmtxImageSetProp() 45 New no-copy image handling with configurable pixel packing 46 Moved image scaling factors to DmtxDecode 47 Moved scan cache from DmtxImage to DmtxDecode 48 Eliminate types DmtxRgb, DmtxColor3, and DmtxGradient 49 API updates for consistent naming and conventions 50 Added dmtxEncodeSetProp() and dmtxEncodeGetProp() 51 Option to print extended ASCII as UTF-8 (thanks Robin!) 52 Fixed diagnostic image output 53 Fixed misrepresented capacity in verbose mode 54 True vector SVG output bypassing ImageMagick (thanks Richard!) 55 Use ImageMagick to write images in major raster formats 56 Fixed several bugs and compiler warnings 57 58version 0.6.0 [November 2008] 59 dmtxread now scans all major image formats [Olivier] 60 New encoding/decoding Ruby wrapper [Romain] 61 Reduced memory footprint 62 Will scan multiple barcodes per image 63 Various platform-specific improvements 64 Initial work preparing for custom pixel packing in future 65 Begin static analysis cleanup with splint 66 New --disable-dmtxread and --disable-dmtxwrite [Romain] 67 Ability to specify max/min expected barcode sizes 68 New edge neighbor tracking (Hough + 2 way edge cache) 69 Info cache to track scan progress and avoid rescanning pixels 70 Major reduction in floating point operations 71 New informative return codes (found, not found, error) 72 Read input from STDIN 73 Diagnostic images display trail left by scanning logic 74 Option to write output to STDOUT [Olivier] 75 PHP wrapper now compiles with recent libdmtx 76 Dedicated README.xxx instructions for specific platforms 77 78version 0.5.2 [September 2008] 79 Move SetRangeLimit and SetScanRegion into library 80 Replace DMTXUTIL_SUCCESS/ERROR with DMTX_SUCCESS/FAILURE 81 Add edge threshold filtering 82 Add encoding support for 144x144 barcodes 83 Fixed encoding case when message starts with two digits 84 Fixed bug in range limit option 85 Add dynamic image shrinking (pixel skipping) 86 Add step-by-step diagnostic image dump (debug build) 87 Fixed bug in minimum scan gap setting 88 Removed y-flip from internal pixel storage 89 Added strict border tests to eliminate false positives 90 Added squareness deviation filter 91 Implement simplified Hough transform for locating first edge 92 Several behind-the-scenes performance enhancements 93 Python wrapper update; 15x faster (thanks Jonathan!) 94 New PHP wrapper code added 95 Various improvements when building for OS X and FreeBSD 96 97version 0.5.1 [July 2008] 98 Fixed Extended ASCII encoding bug 99 Fixed error correction bug related to multiple interleaved blocks 100 Added timeout condition for region detection 101 Allow partial and complete disabling of error correction 102 Replaced DmtxPixel struct with DmtxRgb for safe pixel copies 103 Tighter integration with libfec 104 Conditional build logic for libtiff 105 Added placeholder for new utility, dmtxquery 106 Added unit test program for testing libdmtx internals 107 Include local copies of getopt1.c, getopt.c, and getopt.h 108 Various things to help compiling in MS VC++ 109 Lots of holes filled in comments (Doxygen) 110 Fixed experimental Data Mosaic decoding 111 New Cocoa/iPhone wrapper (thanks Stefan!) 112 113version 0.5 [April 2008] 114 Error correction using libfec (thanks Florian!) 115 Rework encoding and decoding API for consistency and intuitiveness 116 Handle region detection and region decoding as separate tasks 117 Pass found regions back to calling app before attempting decode 118 Image mask approach (for performance and multi-barcode scans) 119 Fix TestForEndOfSymbolEdifact() to handle special cases correctly 120 Roll scan pattern into core library (inward breadth-first cross) 121 Replace dmtxScanLine() with dmtxScanPixel() 122 Implement 4-direction weighted module decisions (eliminates thresholds) 123 Add ability to scan portion of image 124 Add --diagnose option that dumps image with embedded scan infomation 125 Added Z rotation angle (in degrees) to verbose output 126 Move ASCII and codeword output to separate --preview option 127 Added -R option for setting image print resolution in dpi (PNG only) 128 Remove gltest and simpletest from default build target 129 Update Subversion to be keyword friendly ($Id$) 130 Updated documentation to reflect API and option changes 131 132version 0.4 [December 2007] 133 Remove arbitrary sz scaling (100.0) since it doesn't matter anyway 134 Fix 4 bottom-right modules in sizes where they are not used (thanks Matthias R.!) 135 Replace callback references with preprocessor macros 136 Implement remaining encodation schemes for encoding (X12, Base 256, etc...) 137 Implement remaining encodation schemes for decoding (X12, Base 256, etc...) 138 Implement --auto-best option for best possible encoding efficiency 139 Implement multi-region symbols 140 Read and write rectangle barcodes 141 Use GNU autotools (autoconf, automake, libtool) 142 New region detection overhaul 143 Include initial version of Python bindings from pydmtx project (thanks Dan!) 144 Add decoding functionality through Python 145 Add marathon images to project (thanks john@sportcam.net!) 146 Fix dmtxread crash when same barcode is found more than 16 times 147 Verbose messages describing traits of detected barcodes 148 --codewords option to print codewords instead of decoded message 149 --newline option to insert newline character at end of output 150 Additional output formats (PNG, ASCII, codewords) 151 'make test' executes regression tests for encodation 152 153version 0.3 [October 2006] 154 Several high-level changes: build process, naming consistency, file layout 155 Added new automatic style checks in script directory ("make style") 156 Implemented remaining encodation schemes for decode (X12, Base 256, etc...) 157 Fixed instability/regressions that were introduced in v0.2 release 158 Color sampling now averaged from multiple pixel locations 159 Size calibration accuracy improved with new approach 160 dmtxread: increased default scanline count, added multi-page TIFF format 161 dmtxwrite: bug fixes, implemented -o option 162 Improved documentation: deps listed in INSTALL, new man page for dmtxwrite 163 164version 0.2 [June 2006] 165 Cleaned up program structure surrounding decoding process 166 Improved API for real-world use (no longer just dumping results to STDOUT) 167 Added "dmtxread" command line utility 168 Added "dmtxwrite" command line utility 169 Implemented Reed-Solomon error detection 170 Created "simpletest.c" for full circle processing test 171 Now using libpng(3) in library to read Data Matrix images 172 Improved documentation (somewhat) 173 174version 0.1 [April 2006] 175 Initial release 176