GNU LibreDWG NEWS -- history of user-visible changes. -*-indented-text-*-
Copyright (C) 2024 Free Software Foundation, Inc.
See the end for copying conditions.
LibreDWG version 0.13.0 - 2023-02-04 - beta:
Major features:
* Added pre-R13 DWG decode support for all old DWG formats
with Michal Josef Špaček. DXF and many down-conversions not yet.
* Add support for VS2019 (msvc with ucrt) and clang-cl cross-compilation
to Windows. (it is not error compatible to msvc, msvc errors much more).
Also cross-compile to mips32be and ppc64be.
Tested ok with tcc and a patched chibicc. pcc and compcert not yet.
* Added read support on bigendian platforms, write not yet.
* Full support for en-/decoding foreign codepages, also the MIF
\M=1-5xxxx format. (With and without iconv)
* Added WMF and PNG support to dwgbmp (#824)
* Identified the R13-2000 ODA Unknown section as ObjFreeSpace (#860).
* Fix many minor ODA roundtrip errors, leading to less recovery mode
dialogs.
* Encode now support various r13-r2000 section orderings, as in the original.
* Fixed dwgadd (Dmitry Sinyavin #388, #415)
* Add --with-dxf-precision=(rfc,max,16,6) and
--with-geojson-precision=(rfc,max,16,6) build options. (#810)
The GeoJSON default is now back from the RFC7946 recommended 6 to 16 (=max),
leading to much larger and much more precise files.
* Split arcs/circles into line segments with GeoJSON (#520).
* libredwg is on vcpkg
* Added a fixed [ODA Spec diff](doc/ODA-5.4.2-libredwg-diff.pdf)
* New authors: Michal Josef Špaček (preR13 DWG formats),
Dmitry Sinyavin (dwgadd fixes).
Minor features:
* Added a third *int alloced arg to dwg_dynapi_handle_name()
* Renamed HEADER.unknown_s[] fields. (Michal Spacek #412)
* Fixed RENDERENVIRONMENT.fog_color, seperated into extra rgb fields
* Now stable: RENDERENVIRONMENT
* json contains and can import now also SecondHeader and R2007_Header sections.
* Better logging.
Minor bugfixes:
* Fixed MESH roundtrips, added 2 unknown bits.
* Fixed wrong r2007 thumbnail overflow errors (#824)
* Fixed HEADER.PLINEGEN pre-r13 (Michal Spacek #408)
* Fixed HEADER.OSMODE pre-r13 (Michal Spacek #409)
* Fixed LAYER.plotflag (#509)
* Remove APPID.EXEMPT_FROM_CAD_STANDARDS when down-encoding to r2000. (#817)
* Create an VX_CONTROL and an empty VX table record when down-encoding to
r2000. (#811)
* Fixed all T16 texts in the SummaryInfo section <r2007.
* Fixed many more minor fuzzer errors with illegal input, detected by the
oss-fuzz service and others. More bounds and type checks, null-derefs,
double-free, missing zero-termination in fuzzer inputs.
Fixed GH fuzzing issues 911, 901, 899, 890, 880, 881, 859, 850,
848, 708, 707, 704, 697, 696, 695, 694, 692, 677, 616, 615, 594,
581, 578, 528, 527, 524, 518, 497, 494, 493, 492, 491, 490, 489,
488, 487, 486, 485, 484, 425, 361, 360, 356.
Fixed oss-fuzz issues 66111, 66046, 65937, 65481, 65366, 65359,
65357 65355, 65353, 65346, 65125, 64751, 64506, 64318, 64118,
64052, 63919, 63895 63824, 63814, 63803, 63799, 63798, 63791,
63776, 63761, 63760, 63690, 63629 63537, 63483, 63463, 63137,
63076, 63057, 62973, 62718, 62561, 62461, 62367 62363, 62132,
61964, 61901, 61818, 61795, 61741, 61735, 61593, 61497, 61494
60993, 60980, 60902, 60600, 60598, 60216, 60067, 60008, 59899,
59847, 59826 59763, 59732, 59633, 59589, 59571, 59561, 59544,
59528, 59523, 59515, 59428 59388, 59124, 59118, 59097, 59089,
58974, 58927, 58915, 58904, 58649, 58564 58498, 58473, 58443,
58334, 58306, 58143, 58135, 58082, 58019, 58008, 57981 57969,
57940, 57911, 57899, 57723, 57722, 57649, 57589, 57587, 57586,
57481 57432, 56972, 56953, 56473, 56255, 56238, 56129, 56112,
56034, 55917, 55875 55855, 55769, 55693, 55634, 55610, 55607,
55604, 55579, 55092, 54944, 54871 54869, 54839, 54808, 54766,
54760, 54625, 54536, 54507, 54492, 54457, 54450 54448, 54422,
54393, 54380, 54237, 54228, 54163, 54162, 53750, 53672, 53617
53492, 53484, 53483, 53468, 52719, 52075, 51956, 50760, 50194,
50191, 49928 49883, 49789, 49772, 49721, 49693, 49681, 49678,
49675, 49630, 49618, 49613 49612, 49602, 49589, 48793, 48236,
47729, 47632, 47570, 47526, 47497, 47487 47352, 47341, 47333,
47330, 47319, 47304, 47303, 47300, 47259, 47189, 47185 47166,
47151, 47144, 47127, 47126, 47121, 47002, 46769, 46751, 47020,
47015, 47014, 46998, 46994, 46985, 46881, 44533, 44481, 44981,
44460, 44439, 43178, 42212, 40721, 40434, 39241, 39510, 39885,
38263, 36544, 37227, 36979, 36698, 35897.
* Fixed make install via cmake.
* Fixed cmake compilation with missing memmem on mingw. (#422)
* Fixed cmake compilation with -DBUILD_SHARED_LIBS=Off. (#421)
Outlook:
* Several open pull requests by fr-a-nk could not be merged,
because the copyright assignment was not cleared in time.
Next release.
* 2004-2018 encoding support makes good progress. I'm confident to be ready
for the next major release. This would need much less downconverting
shenigans via custom EED's.
* There are still open problems with dxf roundtrips, exotic objects and
downconverting via EED's.
LibreDWG version 0.12.5 - 2022/02/06 - beta:
Major bugfixes:
* Fix handle size calculation on Windows GH #346.
* Restricted accepted DXF objects to all stable and unstable classes, minus
MATERIAL, ARC_DIMENSION, SUN, PROXY*. I.e. most unstable objects do not allow
unknown DXF codes anymore. This fixed most oss-fuzz errors.
* dwg2SVG: fixed ELLIPSE rx, ry radii. (#328)
* Fixed invalid free of static arrays
* Fix mingw release: add missing dwgfilter and pcre dll's (#337)
* Fix out_json for some invalid objects (FIELD, HATCH, TABLE) (#397)
Minor bugfixes:
* dwgread: fix r2004_file_header crc32 calculation error (@huhexiang)
* Fixed LEADER.box_width DXF group
* Enforce limit of max obj->size in encode.
* Support --disable-json with --disable-dxf
* spec: fix wrong VALUEPARAM allocation. values[] are inlined, not per pointer.
GH #370
* Fixed many more minor fuzzer errors with illegal input, detected by the
oss-fuzz service and others. More bounds and type checks, null-derefs,
double-free, missing zero-termination in fuzzer inputs.
Fixed GH issues 338, 348, 349, 350, 352, 354, 357, 358, 359, 365, 366, 367,
368, 369, 371, 372, 373, 374, 375, 376, 378, 379, 380, 381, 383, 384, 385,
390, 391, 392.
Fixed oss-fuzz issues 33317, 33447, 36901, 36728, 39025, 39755, 41021.
* Special-case DXF import of clip_verts and associated num_clip_verts.
* Fix DXF import setting 10 to y (GH #365), fuzzing only
* Fix DXF import EOF within CMC (GH #367), fuzzing only
* Fix DXF import SAB_to_SAT1 overflows with tag 14 (GH #368), fuzzing only
* Fix dwg_handle_name NULL deref (GH #369), fuzzing only
* Fix out_dxf for not matching LWPOLYLINE widths and points (GH #372), fuzzing only
* auxheader: wrong maint_version_* fields and types.
fill both alt. variants of maint_version
* acds: wrong AcDs.segments.signature type
* decode: improve performance for big DWG's
double the size of allocated objects per cycle, not linear by 128.
dramatically improves dwg decode performance for big DWG's.
* Minor chain_alloc improvements: GH #364
* Optimize dxf_fixup_string, fixing a valgrind error
* Improved the rpm spec (Tadej Janež)
* Fix configure bashisms (Alexey Dokuchaev #329)
* minor cmake improvements (#333)
* Build asan fuzzers only on request (Fixes cygwin CI, GH #330)
* Update mingw and appveyor CI for upstream msys2 changes.
* Update macOS CI for texinfo
LibreDWG version 0.12.4 - 2021/04/06 - beta:
Major bugfixes:
* Fixed encode from dwg and json for many objects: missing size and bitsize
recalculation for objects with strings and DD types. (GH #322, #326)
* dwgadd: Fixed the pspace command. (GH #319)
* Missed all binary DXF groups 0. Still not working, but added to oss-fuzz.
* Support older gperf, older than 3.1. eg. macOS
Minor bugfixes:
* Fixed many more minor fuzzer errors, mostly detected by the oss-fuzz
service and @zodf0055980:
More bounds-checks, null-derefs, a double-free, integer overflows, missing
zero-termination in fuzzer inputs.
Fixed GH #320, 321, 323-325
Fixed oss-fuzz issues 32950, 32758, 32755, 32663, 32639, 32627, 32604, 32455,
32408, 32397, 32348, 32335, 32275, 32251, 32179, 32171, 32112, 32094, 32029,
32022, 31878, 31873, 31789, 31724, 32165, 31660, 31657, 31656, 31654, 31647,
31591, 31574, 31564, 31542, 31533, 31516, 31470, 31462, 31456, 31454, 31450,
31436, 31432, 31426, 31425, 31422, 31419.
* in_dxf: better dynapi type-safety. e.g don't default scale to a 3BD_1
(1,1,1) point, because it can also be a handle, BD or 2BD with more exotic objects.
* dwgadd: Fixed sscanf usage on Windows
Minor features:
* Added examples/llvmfuzz_standalone
* Added codecov.io integration, coveralls.io is not suited for C
LibreDWG version 0.12.3 - 2021/02/26 - beta:
Minor bugfixes:
* Fixed many more minor fuzzer errors, detected with the new llvmfuzz.
* Harmonize UBSAN access for unaligned shorts (unicode strings).
Wrong only with UBSAN or HAVE_ALIGNED_ACCESS_REQUIRED.
* Fix dwg2dxf/dxf2dwg uppercase extension problem (Windows) (GH #311).
* Fix section_string_stream offset for r2010 beta 2 (many public samples) (GH #318)
Minor features:
* Added google oss-fuzz integration, by David Korczynski (PR #316)
libredwg is now fuzzed twice daily.
* Added examples/llvmfuzz for libfuzzer and the google oss-fuzz service.
LibreDWG version 0.12.2 - 2021/02/23 - beta:
Minor bugfixes:
* Fixed extending the write buffer for the 2 CRC bytes. Occurs very
seldomly (GH #315)
LibreDWG version 0.12.1 - 2021/01/31 - beta:
Major bugfixes:
* fixed dwg_bmp() and dwgbmp for >= r2004. Wrong dat offset.
* Fixed EED with code 3 for layer handles. (Fixes GH #310, shanzhugit)
* Fixed bit_convert_TU utf8 conversion with ubsan, wrong endian-ness.
Various fuzzing errors detected and fuzzed by Chew Kin Zhong (See GH #304):
* Fix possible null-deref with broken DWG's in dwg_get_first_object.
* Fix possible null-deref with broken DWG's in dwg_find_class with empty
CLASS.dxfname. (GH #309)
* Fix possible null-deref with broken DWG's in dwglayers with empty
LAYER.name. (GH #308)
* Fix short integer overflow in EED checks when decoding malcrafted DWG's,
which also led to encode buffer overflows. (GH #307)
* Fix possible null-derefs with broken DWG's in json export. (GH #306)
* Fix possible null-deref with broken DWG's in dwg_next_entity iterator. (GH #305)
* Fix wrong TFF overflow check for static strings, where we cannot set
the string nor the size. (GH #304)
* Fix heap-overflows and invalid free's when decoding broken 3DSOLID's
in malcrafted DWG's. Only accept version 1 and 2. (GH #304)
Minor features:
* Added string converters with known TU sizes: bit_TU_to_utf8_len, bit_read_TU_len.
LibreDWG version 0.12 - 2020/12/31 - beta:
New features:
* Add a new experimental dwg_add_ENTITY/OBJECT API for easier CAD write support,
starting with GauchoCAD and SolveSpace. Most entities and some objects.
Similar to the VBA interface and object model, just with our names.
* cmake support enhanced to programs and LTO. Should be usable now by its own,
but MSVC is untested.
* Add a new experimental dwgadd helper, to create fresh DWG's easily from scratch.
* Added support for many more object/entity types:
Now stable: ACSH_CONE_CLASS ACSH_TORUS_CLASS BLOCKALIGNMENTPARAMETER
BLOCKALIGNMENTGRIP BLOCKLOOKUPGRIP BLOCKROTATIONGRIP
Now unstable:
ALDIMOBJECTCONTEXTDATA ASSOC2DCONSTRAINTGROUP ASSOCACTIONPARAM
ASSOCARRAYACTIONBODY ASSOCARRAYMODIFYPARAMETERS
ASSOCARRAYPATHPARAMETERS ASSOCARRAYPOLARPARAMETERS
ASSOCARRAYRECTANGULARPARAMETERS ASSOCASMBODYACTIONPARAM
ASSOCCOMPOUNDACTIONPARAM ASSOCDIMDEPENDENCYBODY ASSOCFACEACTIONPARAM
ASSOCOBJECTACTIONPARAM ASSOCOSNAPPOINTREFACTIONPARAM
ASSOCPATHACTIONPARAM ASSOCPOINTREFACTIONPARAM ASSOCVARIABLE
ASSOCVERTEXACTIONPARAM BLKREFOBJECTCONTEXTDATA
BLOCKALIGNEDCONSTRAINTPARAMETER BLOCKANGULARCONSTRAINTPARAMETER
BLOCKARRAYACTION BLOCKDIAMETRICCONSTRAINTPARAMETER
BLOCKHORIZONTALCONSTRAINTPARAMETER BLOCKLINEARCONSTRAINTPARAMETER
BLOCKLOOKUPACTION BLOCKLOOKUPPARAMETER BLOCKPARAMDEPENDENCYBODY
BLOCKPOINTPARAMETER BLOCKPOLARGRIP BLOCKPOLARPARAMETER
BLOCKPOLARSTRETCHACTION BLOCKRADIALCONSTRAINTPARAMETER
BLOCKREPRESENTATION BLOCKSTRETCHACTION BLOCKUSERPARAMETER
BLOCKVERTICALCONSTRAINTPARAMETER BLOCKXYGRIP DATALINK EVALUATION_GRAPH
FCFOBJECTCONTEXTDATA GRADIENT_BACKGROUND GROUND_PLANE_BACKGROUND
IBL_BACKGROUND IMAGE_BACKGROUND LEADEROBJECTCONTEXTDATA
MTEXTOBJECTCONTEXTDATA PARTIAL_VIEWING_FILTER PARTIAL_VIEWING_INDEX
PLANESURFACE POINTCLOUD POINTCLOUDCOLORMAP POINTCLOUDDEF
POINTCLOUDDEFEX POINTCLOUDDEF_REACTOR POINTCLOUDDEF_REACTOR_EX
POINTCLOUDEX RENDERENTRY RENDERENVIRONMENT RENDERGLOBAL
SKYLIGHT_BACKGROUND SOLID_BACKGROUND TEXTOBJECTCONTEXTDATA
Debugging changes: Renamed ATEXT to ArCALIGNEDTEXT,
Added POLARGRIPENTITY.
* Added dwg_obj_generic_handlevalue(), dwg_obj_generic_dwg(),
API breaking changes:
* Disable old deprecated functional API, all object-specific field getters
and setters. Re-enable with -DUSE_DEPRECATED_API
* Renamed UNDERLAY to {PDF,DGN,DWF}UNDERLAY and likewise PDFDEFINITION, ...
Minor features:
* fix more C++ compatibility: restrict is __restrict, disable __nonnull.
Now successfully used in SolveSpace.
* Add gperf hash tables for all objects and dxfclasses, for faster lookup
dxfnames to create classes, and object names with most properties.
Previously lookup was linear, now constant. Needs also less memory.
* Simplified API: dwg_obj_generic_parent(), dwg_ent_generic_parent() to take void*.
* Added public geometry helpers: dwg_geom_angle_normalize(), dwg_geom_normalize(),
dwg_geom_cross(), dwg_geom_transform_OCS()
Major bugfixes:
* Enable python shared lib, add -no-undefined and PYTHON_LIBS.
* Disable static for Windows. This shrinks the released Windows zip file
from 41MB to 24MB. The 0.10.1 had 20MB, 0.6.1 15MB.
LibreDWG version 0.11.1 - 2020/11/16 - beta:
Major bugfixes:
* Fixed decode of Unicode string streams (GH #279)
* Fixed UCS-2 to UTF-8 conversion for the chars 128-255.
* Fixed DXF output of many objects: VISUALSTYLE, HATCH, DIMENSION*, ATTDEF,
ATTRIB, TEXT, VIEWPORT, INSERT, SEQEND, VERTEX, BLOCK, STYLE, MULTILEADER,
DICTIONARY, XRECORD INT64 type, MLINESTYLE angles, SPATIAL_FILTER.origin,
SPATIAL_INDEX class appname, duplicate STYLE eed, ACDBPLACEHOLDER for r13-r14,
LAYER.name with |, LAYER.plotflag for Defpoints, LTYPE.shape_flag, STLYE.flag,
PDFUNDERLAY group 170,
ACSH_CHAMFER_CLASS, ACSH_FILLET_CLASS, ACSH_BOOLEAN_CLASS, BLOCKBASEPOINTPARAMETER,
PROXY_OBJECT, PROXY_ENTITY.
HEADER.DIMSAV.
Common: lineweight, shadow_flags (GH #275)
* Moved PSPACE entities from BLOCKS to ENTITIES (GH #277)
* Fixed \r\n quoting in DXF texts (GH #275)
* Generalize and fix DXF text splitup into 255 chunks and quoting, add basic
shift-jis quoting support for Katagana and Hiragana letters
(Japanese \M+1xxxx => Unicode \U+XXXX)
* Added indxf dwg_has_subclass check to avoid buffer overflows when writing to
wrong subclasses. (GH #295)
* Fixed dwg_dim_blockname calculation, esp. for anonymous blocks.
* Improved SAB 2 to SAT 1 conversion: Split overlarge blocks into block_size of max 4096.
Add "^ " quoting rule.
* Fixed decode of empty classes section, esp. for r13c3 and r14.
* Keep IDBUFFER for old DXFs (r13-r14)
* Fixed SummaryInfo types from T to TU16, relevant for DXF headers also (GH #275)
* Add missing UTF-8 conversion in geojson for TEXT, MTEXT, GEOPOSITIONMARKER. (GH #271)
* Fixed and improved some Dockerfile, added a check-docker target.
* Drop unneeded perl/LibreDWG.xs, we rather use the generated c directly.
Minor features:
* Add CMake basic library support, so the library can be included into cmake projects.
(no programs)
* Improved header C++ compat.
* Promoted ACSH_HISTORY_CLASS to stable. Needed for ACIS entities in DXF.
* Added to examples: filt_sat.pl and dec_sat.pl to compare and decode DXF sat parts.
LibreDWG version 0.11 - 2020/08/07 - beta:
New features:
* new programs dwgfilter, dxfwrite.
dwgfilter allows custom jq queries.
dxfwrite allows version conversions, which dwgwrite does not yet support.
* Can now read all 2004+ section types: added AppInfo, FileDepList,
Template, ObjFreeSpace;
and as blob: RevHistory, Security, AppInfoHistory.
AcDsPrototype_1b datastore not fully yet, so we cannot reliably yet read
new ACIS r2013+ SAB blobs stored there, but we extract them from the AcDs
blob by brute-force.
* Added new string types: T and T16, TU16, T32 (for those sections)
* Convert ACIS BinaryFile v2 SAB to old encrypted ACIS SAT v1 data, needed
to convert pre-r2013 ACIS v2 entities to DXF.
* Added support for many object/entity types:
Now stable: ACSH_BOOLEAN_CLASS ACSH_BOX_CLASS ACSH_CYLINDER_CLASS
ACSH_FILLET_CLASS ACSH_SPHERE_CLASS ACSH_WEDGE_CLASS LIGHT MESH
CELLSTYLEMAP DETAILVIEWSTYLE DYNAMICBLOCKPURGEPREVENTER INDEX
GEODATA LAYERFILTER MULTILEADER PLOTSETTINGS SECTION_MANAGER
SECTIONOBJECT SECTIONVIEWSTYLE VBA_PROJECT VISUALSTYLE.
and some Dynblocks: BLOCKGRIPLOCATIONCOMPONENT BLOCKBASEPOINTPARAMETER
BLOCKFLIPACTION BLOCKFLIPPARAMETER BLOCKFLIPGRIP BLOCKLINEARGRIP
BLOCKMOVEACTION BLOCKROTATEACTION BLOCKSCALEACTION
BLOCKVISIBILITYGRIP
New unstable: ACSH_BREP_CLASS ACSH_CHAMFER_CLASS ACSH_CONE_CLASS
ACSH_PYRAMID_CLASS ACSH_TORUS_CLASS ARC_DIMENSION ASSOCACTION
ASSOCBLENDSURFACEACTIONBODY ASSOCEXTENDSURFACEACTIONBODY
ASSOCEXTRUDEDSURFACEACTIONBODY ASSOCFILLETSURFACEACTIONBODY
ASSOCGEOMDEPENDENCY ASSOCLOFTEDSURFACEACTIONBODY ASSOCNETWORK
ASSOCNETWORKSURFACEACTIONBODY ASSOCOFFSETSURFACEACTIONBODY
ASSOCPATCHSURFACEACTIONBODY ASSOCREVOLVEDSURFACEACTIONBODY
ASSOCTRIMSURFACEACTIONBODY ASSOCVALUEDEPENDENCY BACKGROUND
BLOCKLINEARPARAMETER BLOCKLOOKUPGRIP BLOCKROTATIONPARAMETER
BLOCKXYPARAMETER BLOCKVISIBILITYPARAMETER HELIX
LARGE_RADIAL_DIMENSION LIGHTLIST MATERIAL MENTALRAYRENDERSETTINGS
RAPIDRTRENDERSETTINGS RENDERSETTINGS SECTION_SETTINGS
SPATIAL_INDEX SUN TABLESTYLE.
Fixed PROXY_OBJECT, PROXY_ENTITY.
Demoted to Unstable: SPATIAL_INDEX
Demoted to Debugging: PERSSUBENTMANAGER DIMASSOC
Note: Unstable objects are not preserved via DXF conversion, just
the external import is supported.
Add most Constraint (ASSOC*) and DYNBLOCK objects (BLOCK*).
Debugging classes added (needs --with-debug option):
ACMECOMMANDHISTORY ACMESCOPE ACMESTATEMGR ACSH_EXTRUSION_CLASS
ACSH_HISTORY_CLASS ACSH_LOFT_CLASS ACSH_REVOLVE_CLASS
ACSH_SWEEP_CLASS ALDIMOBJECTCONTEXTDATA ALIGNMENTPARAMETERENTITY
ANGDIMOBJECTCONTEXTDATA ANNOTSCALEOBJECTCONTEXTDATA
ASSOC3POINTANGULARDIMACTIONBODY ASSOCACTIONPARAM
ASSOCARRAYACTIONBODY ASSOCARRAYMODIFYACTIONBODY
ASSOCARRAYMODIFYPARAMETERS ASSOCARRAYPATHPARAMETERS
ASSOCARRAYPOLARPARAMETERS ASSOCARRAYRECTANGULARPARAMETERS
ASSOCASMBODYACTIONPARAM ASSOCCOMPOUNDACTIONPARAM
ASSOCDIMDEPENDENCYBODY ASSOCEDGEACTIONPARAM
ASSOCEDGECHAMFERACTIONBODY ASSOCEDGEFILLETACTIONBODY
ASSOCFACEACTIONPARAM ASSOCMLEADERACTIONBODY ASSOCOBJECTACTIONPARAM
ASSOCORDINATEDIMACTIONBODY ASSOCOSNAPPOINTREFACTIONPARAM
ASSOCPATHACTIONPARAM ASSOCPOINTREFACTIONPARAM
ASSOCRESTOREENTITYSTATEACTIONBODY ASSOCROTATEDDIMACTIONBODY
ASSOCSWEPTSURFACEACTIONBODY ASSOCVARIABLE ASSOCVERTEXACTIONPARAM
ATEXT BASEPOINTPARAMETERENTITY BLKREFOBJECTCONTEXTDATA
BLOCKALIGNEDCONSTRAINTPARAMETER BLOCKALIGNMENTGRIP
BLOCKALIGNMENTPARAMETER BLOCKANGULARCONSTRAINTPARAMETER
BLOCKARRAYACTION BLOCKDIAMETRICCONSTRAINTPARAMETER
BLOCKHORIZONTALCONSTRAINTPARAMETER BLOCKLINEARCONSTRAINTPARAMETER
BLOCKLOOKUPACTION BLOCKLOOKUPPARAMETER BLOCKPARAMDEPENDENCYBODY
BLOCKPOINTPARAMETER BLOCKPOLARGRIP BLOCKPOLARPARAMETER
BLOCKPOLARSTRETCHACTION BLOCKPROPERTIESTABLE
BLOCKPROPERTIESTABLEGRIP BLOCKRADIALCONSTRAINTPARAMETER
BLOCKREPRESENTATION BLOCKROTATIONGRIP BLOCKSTRETCHACTION
BLOCKUSERPARAMETER BLOCKVERTICALCONSTRAINTPARAMETER BLOCKXYGRIP
CONTEXTDATAMANAGER CSACDOCUMENTOPTIONS CURVEPATH DATALINK
DATATABLE DMDIMOBJECTCONTEXTDATA DYNAMICBLOCKPROXYNODE
EXTRUDEDSURFACE FCFOBJECTCONTEXTDATA FLIPPARAMETERENTITY
GEOPOSITIONMARKER LAYOUTPRINTCONFIG LEADEROBJECTCONTEXTDATA
LINEARPARAMETERENTITY LOFTEDSURFACE MLEADEROBJECTCONTEXTDATA
MOTIONPATH MPOLYGON MTEXTATTRIBUTEOBJECTCONTEXTDATA
MTEXTOBJECTCONTEXTDATA NAVISWORKSMODEL NURBSURFACE
ORDDIMOBJECTCONTEXTDATA PERSUBENTMGR PLANESURFACE
POINTPARAMETERENTITY POINTPATH RADIMLGOBJECTCONTEXTDATA
RADIMOBJECTCONTEXTDATA RENDERENTRY RENDERENVIRONMENT RENDERGLOBAL
REVOLVEDSURFACE ROTATIONPARAMETERENTITY RTEXT SUNSTUDY
SWEPTSURFACE TABLE TABLECONTENT TEXTOBJECTCONTEXTDATA
TVDEVICEPROPERTIES VISIBILITYGRIPENTITY VISIBILITYPARAMETERENTITY
XYPARAMETERENTITY
* Started support to write r2004+ format DWG's (which includes also r2010,
r2013, r2018, but not r2007), but this does not work fully yet.
* Added all remaining Dwg_Version types: R_1_3 for AC1.3, R_2_4 for AC1001, and
AC1013 for R_13c3.
* The header can now be compiled with C++ compilers, needed for some bindings.
Re-arranged nested structs, names, malloc casts, reserved keywords like this,
template.
Started with the gambas bindings, a Visual Basic clone for unix.
* DXF and JSON importers now create PLACEHOLDER objects for unsupported
objects.
* 3DSOLID got now material properties and revisionguid fields.
* Many parts of the API are now auto-generated/updated: dwg.i, dwg_api.c, dwg_api.h,
unions and setup in dwg.h
* Added geojsonhint or gjv linter support. Fixed all violations (esp. point arrays,
and POLYLINE_2D). Add a Feature id (the handle)
* Added support for GeoJSON RFC7946, write closed polygons, re-order by the
right-hand rule..
* new API functions:
dwg_ctrl_table, dwg_handle_name, dwg_find_dicthandle_objname, dwg_variable_dict,
dwg_next_entity, get_next_owned_block_entity, dwg_section_name,
dwg_version_type, dwg_version_as, dwg_errstrings, dwg_rgb_palette,
dwg_find_color_index.
* new dynapi functions: dwg_dynapi_subclass_value, dwg_dynapi_subclass_field,
dwg_dynapi_fields_size.
(BTW. the dynapi proved to be a godsend for the json importer)
API breaking changes:
* Renamed dwg_section_type to dwg_section_wtype, added a new dwg_section_type
for ASCII names.
* Removed all extra null_handle fields, and add the missing handle fields.
* Renamed all dwg_add_OBJECT functions to dwg_setup_OBJECT. They didn't add them, just setup
the internal structures.
* Renamed VPORT_ENTITY_HEADER to VX_TABLE_RECORD and VPORT_ENTITY_CONTROL to VX_CONTROL.
Also section enum SECTION_VPORT_ENTITY to SECTION_VX and dwg->vport_entity_control likewise.
* Hundreds of field renames due to harmonization efforts with the more generic
JSON importer. Note that some deprecated dwg_api accessor functions were also
renamed accordingly, but not all.
For the stable objects:
TEXT,ATTRIB,ATTDEF,SHAPE,STYLE: oblique_ang => oblique_angle,
TEXT,ATTRIB,ATTDEF,SHAPE,MTEXT,UNDERLAY,TABLE,...: insertion_pt => ins_pt,
DIMENSION_* _13_pt => xline1_pt, _14_pt => xline2_pt,
ext_line_rotation => oblique_angle
DIMENSION_ANG2LN _16_pt => xline1start_pt, _14_pt => xline2start_pt,
_13_pt => xline1end_pt, first_arc_pt => xline2end_pt
VIEW,VIEWPORT: view_direction => VIEWDIR (as it overrides this header),
view_twist => twist_angle,
view_height => VIEWSIZE,
snap_angle => SNAPANG,
view_center => VIEWCTR,
snap_base => SNAPBASE,
snap_spacing => SNAPUNIT,
grid_spacing => GRIDUNIT,
ucs_per_viewport => UCSVP,
ucs_origin => ucsorg,
ucs_x_axis => ucsxdir,
ucs_y_axis => ucsydir,
ucs_ortho_view_type => UCSORTHOVIEW
OLEFRAME.data_length => data_size,
LEADER.offset_to_block_ins_pt => inspt_offset
TOLERANCE.text_string => text_value
STYLE.vertical => is_vertical, shape_file => is_shape, fixed_height => text_size,
extref => xref
DICTIONARYVAR.intval => schema, str => strvalue
COMMON_TABLE_FIELDS: xrefref => is_xref_ref, xrefindex_plus1 => is_xref_resolved,
xrefdep => is_xref_dep. new common xref HANDLE field (was null_handle in many objects)
LAYER got a new visualstyle handle.
LTYPE.dashes got a new style handle and text field.
LTYPE has no styles H* anymore, moved to dashes.
LTYPE.text_area_is_present => has_strings_area, extref_handle => xref.
VIEW, VIEWPORT:
height => VIEWSIZE, width => view_width, center => VIEWCTR, target => view_target,
direction => VIEWDIR, front_clip => front_clip_z, back_clip => back_clip_z,
pspace_flag => is_pspace,
origin => ucsorg, x_direction => ucsxdir, y_direction => ucsydir,
elevation => ucs_elevation, orthographic_view_type => UCSORTHOVIEW,
camera_plottable => is_camera_plottable
UCS got a new orthopts array, and the renames as above.
DIMSTYLE got a new flag0. flag is computed from that.
VPORT_ENTITY_HEADER flag1 => is_on, vport_entity => viewport, xref_handle => xref,
new prev_entity handle.
MLINESTYLE index/ltype union changed to separate lt_index, lt_ltype fields.
They were overwriting each other on version conversions.
MLINESTYLE.desc => description, data_length => data_size.
HATCH booleans got a is_ prefix.
MTEXT.annotative => is_annotative.
MTEXT.drawing_dir => flow_dir.
XRECORD.num_databytes => xdata_size
MLEADERSTYLE text_frame => is_text_frame, is_new_format removed.
changed => is_changed.
DICTIONARYYWDFLT got a new format_flags and data_handle
SCALE.has_unit_scale => is_unit_scale
SORTENTSTABLE.dictionary => block_owner
Type changes in stable objects:
SPLINE.fit_pts are now ordinary BITCODE_3DPOINT*
SPLINE.color is BL, scale is now 3BD
* Changed truecolor attributes in GeoJSON with a # prefix.
Major bugfixes:
* Fixed converting ASCII from and to Unicode strings, when converting across
versions. Embed Unicode as \U+XXXX into ASCII, and decode it back to Unicode.
Honor dat,dwg->from_version and use the new FIELD_T as separate type. (GH #185)
* Invalid numbers (read failures) are converted to 0.0 in the released version.
* Fixed wrong CMC color reads and writes, check the method, lookup the index,
support a CMTC truecolor-only type.
* Fixed EED writes, by writing to separate streams and merging them at the end,
with proper size calculation.
* All remaining assertions are now protected. (GH #187)
Minor bugfixes:
* Fixed uncompressed sections overflows, some fuzzed (GH #183), some
with the new sections.
* Normalize extrusion vectors.
* Fix bit_write_BT, the thickness vector pre-R2000.
* Added many overflow checks, due to extensive fuzzing campaigns.
* Fixed wrong julian date conversions with TIMEBLL types.
* Fixed keyword conflicts with the bindings: No next, from, self fieldnames.
* Many more, see the ChangeLog.
Other newsworthy changes:
* Harmonized 2004 section search with the better 2007 variant. Added a new
section and info fixedtype field.
* Added unit-tests for all supported objects.
* Added src/classes.c defining the class stability (stable, unstable, debugging, unhandled).
* Need now -lm, the system math library, in all cases.
* Got a complete collection of old DWGs to cross-check against. Many new object types
could be stabilized because of this. Many thanks to Michal Josef Špaček.
* CMC color got 2 new fields: raw (EMC only), method (the first rgb byte).
* Many DXF re-ordering fixes.
Notes: The new constraint and dynblock objects just miss a major refactor into separate
impl subclasses, and subent and curve support.
LibreDWG version 0.10.1 - released 2020/01/13 - beta:
Major bugfixes:
* Fixed dwg2SVG htmlescape overflows and off-by-ones (GH #182)
* Removed direct usages of fprintf and stderr in the lib. All can be
redefined now. (GH #181)
Minor bugfixes:
* Fuzzing fixes for dwg2SVG, dwgread. (GH #182)
* Fixed eed.raw leaks
LibreDWG version 0.10 - released 2020/01/08 - beta:
API breaking changes:
* added a new int *isnewp argument to all dynapi utf8text getters,
if the returned string is freshly malloced or not.
* removed the UNKNOWN supertype, there are only UNKNOWN_OBJ and UNKNOWN_ENT
left, with common_entity_data.
* renamed BLOCK_HEADER.preview_data to preview, preview_data_size to preview_size
* renamed SHAPE.shape_no to style_id
* renamed CLASS.wasazombie to is_zombie
Major bugfixes:
* Improved building the perl5 binding, proper dependencies.
Set proper -I and -L paths, create LibreDWG.c not swig_perl.c
* Harmonized INDXFB with INDXF, removed extra src/in_dxfb.c (GH #134).
Slimmed the .so size by 260Kb. Still untested though.
* Fixed encoding of added r2000 AUXHEADER address (broken since 0.9)
* Fixed EED encoding from dwgrewrite (a dxf2dwg regression from 0.9) (GH #180)
Minor bugfixes:
* Many fuzzing and static analyzer fixes for dwg2dxf, dxf2dwg, dwgrewrite,
including a stack-overflow on outdxf cquote. (GH #172-174, #178, #179).
dwgrewrite and indxf are pretty robust now, but still highly experimental,
as many dxf2dwg import and DWG validity tests are missing.
indxf still has many asserts on many structural DXF errors.
* Protect indxf from many NULL ptr, overflows and truncation.
* Fixed most indxf and encode leaks. (GH #151)
* More section decoders protections from invalid (fuzzed) values.
* Stabilized the ASAN leak tests for make check.
* Fix MULTILEADER.ctx.lline handles <r2010
* Fix indxf color.alpha; at DXF 440
* Fixed most important make scan-build warnings, the rest are mostly bogus.
Other newsworthy changes:
* Added LIBREDWG_VERSION et al to include/dwg.h
* Added support for AcDb3dSolid history_id (r2007+)
* Improved the indxf speed in new_object. Do a proper linear search, and
break on first found type.
* Rename the ./dxf helper to ./dwg, and added a ./dxf test helper.
* dxf2dwg got a new experimental --force-free option to check for leaks and
UAF or double-free's.
* Allow -o /dev/null sinks for dxf2dwg and dwg2dxf, for faster fuzzing.
* Harmonized *.spec formatting and adjusted gen-dynapi.pl
* Harmonized out_dxfb with out_dxf, e.g. the new mspace improvements (GH #173).
LibreDWG version 0.9.3 - released 2019/12/25 - beta:
Minor bugfixes:
* Added several overflow checks from fuzzing (GH #176)
CVE-2019-20009, CVE-2019-20010, CVE-2019-20011, CVE-2019-20012,
CVE-2019-20013, CVE-2019-20014, CVE-2019-20015
* Enabled AX_RESTRICT, undefining restrict in broken compilers (GH #141)
* Fixed AX_ADD_FORTIFY_SOURCE warnings with gcc-9 -Wcpp
* Disallow illegal SPLINE scenarios (GH #176)
LibreDWG version 0.9.2 - released 2019/11/08 - beta:
new API:
* Added the -x,--extnames option to dwglayers for r13-r14 DWGs,
displaying the extended variants with spaces. Since r2000 only
those "extended" names are stored. (GH #167)
Minor bugfixes:
* Fixed some leaks: SORTENTSTABLE, PROXY_ENTITY.ownerhandle for r13.
* Add DICTIONARY.itemhandles[] for r13 and r14
* Fixed some dwglayers null pointer derefs, and flush its output
for each layer. (GH #166)
Other newsworthy changes:
* Add geom utils to some programs: dwg2SVG and dwg2ps to transcode
points via its OCS (i.e. extrusion vector)
* Add basic POLYLINE_2D and LWPOLYLINE support to dwg2SVG. no arcs (bulges),
no other curve_types (spline, bezier), no widths.
LibreDWG version 0.9.1 - released 2019/10/28 - beta:
Minor bugfixes:
* Fixed bit_read_4BITS, off-by-one for the first bit.
* Fixed more null pointer dereferences, overflows, hangs and memory leaks
for fuzzed (i.e. illegal) dwg's.
* Fixed some more compiler warnings.
* Workaround stricter CPU's with ALIGNED_ACCESS_REQUIRED.
* Add -fstack-protector for newer mingw, to link -lssp, which is now mandatory
for _FORTIFY_SOURCE (a mingw-w64 libc headers bug).
* Do not use gcc-9.0 - gcc-9.2! This series is seriously broken, not
just for this project.
* dwg2SVG: honor TTF font styles => Verdana or Courier (GH #156)
LibreDWG version 0.9 - released 2019/10/6 - beta:
new API:
* Added the dxf importer, using the new dynapi and the r2000 encoder.
Status: experimental. Only for r2000 dxf's yet.
* Added utf8text conversion functions to the dynapi:
dwg_dynapi_header_utf8text, dwg_dynapi_entity_utf8text,
dwg_dynapi_common_utf8text converting unicode strings to UTF-8.
And it's higher level variants: dwg_{g,s}et_HEADER_utf8text,
dwg_{g,s}et_{ENTITY,OBJECT}_common,
dwg_{g,s}et_{ENTITY,OBJECT}_common_utf8text,
dwg_ent_{g,s}et_UTF8.
* Added the missing dwg_dynapi_common_set_value.
* Added dwg_dynapi_handle_name helper.
* Added to unstable objects: TABLESTYLE, TABLE.
TABLE r2018+ now includes TABLECONTENT.
* Added SummaryInfo section.
* Added 3DSOLID encoder.
* Added API's to find handles for names, searching in tables and dicts.
* Added TIMERLL type. raw, unencoded 2xRL julian date, for SummaryInfo.
* Added signed d variants to some types: BLd, BSd, RLd, ...
and x formatters: RLx.
* Added reverse dxf_revcvt_lweight().
API breaking changes:
* Added an is_utf8 arg to the dynapi setters:
dwg_dynapi_header_set_value, dwg_dynapi_entity_set_value,
dwg_dynapi_common_set_value, converting UTF-8 strings to TV or TU.
* Generalize object handles:
* Rename common field ownerhandle, esp. not NAME_control 330.
* Remove various null_handle fields.
* Rename LTYPE.null_handle to LTYPE.extref_handle
* Add SORTENTSTABLE.dict_handle (previous called ownerhandle,
it IS the ownerhandle. ok, there we do have both, the parenthandle
and the ownerhandle)
* Remove xrecord,proxy get_ownerhandle API
* Move ownerhandle to parent Object_Object along reactors and xdicobjhandle.
This field is common to all objects. (GH #118)
* Remove unneeded ownerhandle fields.
* Renamed STYLE.null_handle to STYLE.extref_handle
* Changed DIMASSOC spec
* Minor POLYLINE/VERTEX field fixups for DXF. add COMMON_ENTITY_POLYLINE.has_vertex 66,
add VERTEX_PFACE_FACE.flag 70.
* Renamed two LAYOUT fields: pspace_block_record => block_header,
last_viewport => active_viewport.
* Harmonize DICTIONARY_NAMED_OBJECT (NOD) names:
LAYOUTS => LAYOUT, PLOTSTYLES => PLOTSTYLENAME, MATERIALS => MATERIAL,
COLORS => COLOR.
* Renamed all linetype* fields to ltype.
* Removed IMAGE/WIPEOUT boundary_pt{0,1} fields. Use clip_verts[0,1] instead.
Important bugfixes:
* Fixed all remaining null pointer dereferences and memory leaks. We added
a smoke with asan, ubsan and lsan. Only the dxf importer is leaking.
* Fixed dwg_dynapi_common_*
* Fixed get_next_owned_entity, which omitted the last entity for r13-r2000.
(GH #143)
* Fixed the UCS-2 to utf-8 converter, causing corrupt DXF with unicode names
and strings. (GH #143)
* Fixed wrong object address (GH #112). handlestream_size is not part of obj->size.
This fixes the hdlpos += 8 FIXME's and many handles.
* Fixed FIELDLIST standard handles (GH #118)
* Fixed FIELD.childs and objects (GH #117)
* Fixed MLINESTYLE.ltype handles (GH #116)
* Fixed MULTILEADER content_block (GH #113)
* Added many missing handles 2007+ (GH #115)
Due to the fixed handle_stream offset, we can now reliably read many
more handles (GH #114):
DIMENSION_ORDINATE
DIMENSION_LINEAR
DIMENSION_ALIGNED
DIMENSION_ANG3PT
DIMENSION_ANG2LN
DIMENSION_RADIUS
DIMENSION_DIAMETER
MTEXT
BLOCK_CONTROL
STYLE
SORTENTSTABLE
APPID
DICTIONARYVAR
VPORT_ENTITY_HEADER
* Fixed OLE2FRAME encoder.
* Fixed EED code 5 as int64 (GH #110)
* More stable eed decoder with overflow, e.g. when dat does not advance error earlier.
Avoid endless loops on eed decoding errors.
* Various minor improvements in the dxf writer. (GH #143)
* Major improvements in the dxf reader. Most r2000 entities and many objects
can be imported, and read from acad dwg's.
* Various minor improvements in the dwg writer, esp. calculating the object
size and bitsize. fixed bit_write_4BITS (for VPORT.VIEWMODE)
* Protect all sizes from VALUEOUTOFBOUNDS with sensical values.
(i.e. new size restrictions)
Other newsworthy changes:
* Restricted the three dat, hdl_dat and str_dat streams in its size and
offset to the current object to detect every overflow. And report this
overflow.
* Read COMMON_ENTITY_HANDLE_DATA earlier, so that we can remove extra 2nd
handle loops at the end for r2007+ (GH #85)
* Support reading uncompressed sections (e.g SummaryInfo)
* Added -y/--overwrite flag to most programs.
* Better LOG_TRACE [rcount1], [rcount2] logging, expanded to the actual
index.
* Removed the dejagnu based test/testcases, merged with proper
test/unit-testing
* With the new dxf importer, a lot of logic had to be added for missing fields,
calculating them, adding defaults, and support dxfname aliases.
* Harmonized internal REPEAT macro names.
* Added decode code to recover from invalid HANDLES handleoff UMC or offset MC.
LibreDWG version 0.8 - released 2019/6/25 - still alpha:
new API:
* added a new dynamic API, read and write all header and object fields
by name. Many of the old dwg_api.h field accessors are deprecated.
* add calculated DIMENSION.flag from flag1 and flag2
* add BITCODE_UMC type for Object-map section_handles
* add reverse dwg_find_objectref lookup: linear search, only done for
entities with subentities to find the ref for the current object.
* added to stable: UNDERLAY entities, UNDERLAYDEFINITION, CAMERA objects
API breaking changes:
* rename get_first_owned_object to get_first_owned_entity,
get_next_owned_object to get_next_owned_entity.
* Changed these iterators in handling subentites (VERTEX, ATTRIB),
these are now skipped.
* rename <TABLE>.entry_name to name (GH #76)
* rename VPORT.shade_plot_handle back to sun_handle, dxf 361
* rename POLYLINE_3D.flag2 to curvetype, dxf 75.
* rename linewidth fields to linewt (GH #79)
* rename DIMENSION_ORDINATE.ucsorigin_pt to def.pt
* rename parenthandle fields to ownerhandle (GH #80)
* rename ent->parent to ent->ownerhandle (GH #82)
* replace ENTITY.subentity by ownerhandle 330
* rename _ent->entity_mode to entmode (as in ODA)
Important bugfixes:
* dwg.h now always includes stdint.h and inttypes.h, no more
int vs int32_t confusion
* Fixed many errors in DXF output:
* split BLOCKS and ENTITIES (GH #88)
esp. in respect to Paper_Space (GH #81) and Model_Space entities.
* DICTIONARY: fix hard_owner DXF 350/360.
* Fix xdata dxf groups: +1000 or XRECORD.
* Fix block names (GH #81), take it from its linked BLOCK entity
* Fix DIMENSION blocknames, ditto (GH #81).
* Fix c-quote of strings with different quoting rules than json.
* Fix _3DSOLID,_3DFACE dxfname and 3DSOLID, BODY subclass names
* Add missing DIMSTYLE 3 handle
* Support DXF elevation and extrusion as pt,
* Add dxf.test to be shell compatible
* convert CELWEIGHT and linewt values (GH #79)
* Support proper 330 ent->parent->handle (GH #82) which is not always the
MSPACE record.
* fix colors a bit
* print HANDSEED as hex (GH #71)
* Fixed JSON output, add tests with jq. just not yet via pipes (NOCOMMA hack).
make HEADER a hash, better ARRAY, POINTS, VECTORs, c-quote strings.
Resemble more to the DWG structure, not DXF: Rename ENTITIES to OBJECTS,
TODO: FILEHEADER sections (GH #76)
* Validate decoded and sort DXF output of entities with subentities
(POLYLINE, INSERT) (GH #83). In DWG they have different orderings,
fixup some off-by-one decoding errors (e.g. wrong handle stream offset).
* Fixed HATCH gradientfill color (GH #89)
* decode: set proper ->dxfname from classes.inc, Fixes ACDBDICTIONARYWDFLT
DXF object and simplifies out_dxf.
* Fix some CRC checks: RSx vs RS_LE, add unused crc64 code.
* More overflow and free protections added by Denis Pruchkovsky
* Extend read/write bit_MC/UMC from 4 to 5 bytes (denis #70, PR #65)
This is broken in all other dwg libraries.
* Fix bit_convert_TU for >U+800 (GH #80)
* Fixed more memory leaks (denis and rurban)
* Fixed some double-free's and oob errors in EED (GH #99, #104)
Other newsworthy changes:
* add --disable-bindings configure switch (GH #86)
* add more codepages to dxf: ANSI_1253, ANSI_1254, ANSI_936, ANSI_949
* add cirrus FreeBSD smoker
* rename dxf_example.{lsp,sh} to dxf-allcvt.*
* add dxf-roundtrip.sh, via TeighaFileConverter
LibreDWG version 0.7 - released 2018/12/6 - still alpha:
new API:
* add dwg_get_OBJECT(dwg) API for all objects in a DWG.
analog to dwg_get_ENTITY, but including all objects, tables,
block headers, even if unowned.
Note that the dwg_api will be revamped from static to dynamic before 1.0.
field accessors will be by name argument and ... (va_args)
See the work/dynapi branch #59 (in progress).
dwg_get_OBJECT(dwg) will be renamed to dwg_getall_OBJECT(dwg),
dwg_get_ENTITY(blkhdr) to dwg_getall_ENTITY(blkhdr).
API breaking changes:
* Changed BITCODE_RC from signed to unsigned char (GH #44)
* LEADER changes: rename hooklineonxdir to hookline_dir,
rename unknown_bit_4 to hookline_on,
endptproj only until r2007. (but still not 100% correct)
* MULTILEADER changes: rename num_vertex to numpts (analog to LEADER),
change vertex to points[] (PR #49 Denis Pryt)
* Fixed dwg_get_ENTITY(hdr): NULL-terminate the result (GH #60)
Important bugfixes:
* Fixed all memory leaks and double-free's (GH #43, #42, PR #58 Denis Pryt)
* Fixed EED sizes (PR #48, Denis Pryt)
* Fixed BLOCK_HEADER.num_inserts, esp. with xref's (GH #44).
For decode and encode.
* Fixed LTYPE.dash (GH #44)
* Fixup LEADER DXF values and path_type with annot_type mixup.
* Fixed TABLE.value.data_type with flags kGeneral (GH #54 Denis Pryt)
* Fixes VECTOR_CHKCOUNT segfault on unassigned obj->dxfname's
(esp. for <=R12), and fix overflows (GH #56)
* dwglayers: fix for DICTIONARY breaking the list output (GH #51)
* dxf: fix dxf_blocks_write for empty paper_space (GH #52)
* Fixed example/load_dwg.py allowing non-critical error codes
Other newsworthy changes:
* Check for RUNNING_ON_VALGRIND and call dwg_free then, even
if previously skipped.
* Renamed all remaining API "null malloc" error messages to
"Out of memory"
* Harmonized in_dxfb with in_dxf, but still WIP
LibreDWG version 0.6.2 - released 2018/11/07 - still alpha:
Important bugfixes:
* Fixed several out_dxf segfaults (GH #39)
* Enhanced the section size limit from 2032 to 2040.
There were several DWG files with a section size of 2035
in the wild. (PR #41, Denis Pryt)
* Fixed EED realloc on decoding when end - dat->byte == 1
(PR #41, Denis Pryt)
LibreDWG version 0.6.1 - released 2018/11/05 - still alpha:
Important bugfixes:
* fix wrong FIELD_2DD_VECTOR in dwg decode (GH #40).
LibreDWG version 0.6 - released 2018/08/13 - still alpha:
API breaking changes:
* Removed dwg_obj_proxy_get_reactors(), use dwg_obj_get_reactors() instead.
* Renamed SORTENTSTABLE.owner_handle to SORTENTSTABLE.owner_dict.
* Renamed all -as-rNNNN program options to --as-rNNNN.
Other newsworthy changes:
* Removed all unused type-specific reactors and xdicobjhandle fields,
use the generic object and entity fields instead.
* Added signed BITCODE_RLd and BITCODE_BLd (int32_t) types.
* Added unknown_bits field to all UNSTABLE/DEBUGGING classes.
* Custom CFLAGS are now honored.
* Support for GNU parallel and coreutils timeout logfile and picat processing.
Important bugfixes:
* Fixed previously empty strings for r2007+ for some objects and entities (GH #34).
* Fixed r2010+ picture size calculation (DXF 160, 310), leading to wrong entity offsets.
* Added more checks for unstable objects: empty handles, controls, overflows, isnan.
* Fixed some common_entity_data, mostly with non-indexed colors and gradient filled HATCH
(GH #27, #28, #31)
* Fixed some proper relative handles, which were previously treated as NULL handle.
* Fixed writing TV strings, now the length includes the final \0 char.
* Fixed the initial minimal hash size, fixing an endless loop on very small
(truncated) DWG's (<1000 bytes).
* Much less memory leaks.
* Improved free, i.e. no more double free with EED data. (GH #33)
* Better perl bindings build support on Windows, prefer local dwg.h over
installed dwg.h on testing (GH #29).
* Fixed dejagnu compilation on C11 by using -fgnu89-inline (GH #2)
New features:
* Added unstable support for the objects ASSOCDEPENDENCY, ASSOCPLANESURFACEACTIONBODY,
DBCOLOR, DIMASSOC, DYNAMICBLOCKPURGEPREVENTER, HELIX, LIGHT, PERSSUBENTMANAGER,
UNDERLAYDEFINITION and the entities MULTILEADER, UNDERLAY.
* Added getopt_long() support to all programs, position independent options.
* Implemented examples/unknown to find field layouts of unknown objects.
With bd and bits helpers to decode unknowns.
Now with a http://picat-lang.org helper. See also HACKING and savannah News.
* Implemented parsing ACIS version 2 to the binary SAB format.
* Added all missing dwg_object_to_OBJECT() functions for objects.
* Added dwg_ent_minsert_set_num_cols(), dwg_ent_minsert_set_num_rows()
* Added --disable-dxf, --enable--debug configure options. With debug there are many
more unstable objects available.
* Added libredwg.pc (GH #30)
* Added valgrind suppressions for known darwin/glibc leaks.
* Changed and clarified the semver version numbering on development checkouts with
major.minor[.patch[.build.nonmastercommits-gittag]]. See HACKING.
LibreDWG version 0.5 - released 2018/07/05:
This is the first public release ever, after several years of silence.
It can read most r13-r2018 DWG files, and write r2000 DWG,
write DXF and GeoJSON files for all versions.
There are also many new programs: dwgread, dwgwrite, dwgrewrite,
dwg2dxf, dwglayers, dwggrep, dwgbmp, dwg2SVG (very basic), dwg2ps (infancy).
See the manual, ChangeLog or git history for details.
The API is usable but still pretty rough, we might still rename
some functions or names for better consistency and add more encoding API.
Copyright information:
Copyright (C) 2009-2020 Free Software Foundation, Inc.
This library is free software, licensed under the terms of the GNU
General Public License as published by the Free Software Foundation,
either version 3 of the License, or (at your option) any later version.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.