What's New for LiteCAD Home
! : changed
+ : added
* : fixed
- : removed

Mar 11, 2023 - 3.0.1.198
+ Added: Function lcEntBreak2 - to break entity on multiple parts
+ Fixed: DXF plugin wrong imports Bezier curve

Feb 07, 2023 - 3.0.1.197
+ Fixed: the print option "Force all colors to black" (lcPrintBlock) don't work for multiline text
+ Fixed: function lcIntersection don't work with entities endpoints.
+ Added: Function lcWndPickEnt - let user to pick some entity of a drawing
+ Changed: Property LC_PROP_SEL_GRIPENTLIM limitation increased to 500
+ Changed: Coefficient for Linetype pattern visibility have beed reduced from 4.0 to 1.1

Jan 17, 2023 - 3.0.1.196
+ Added: command LC_CMD_FILECLOSE
+ Added: function lcDxfLoadMem - loads DXF file from a memory
+ Added: property LC_PROP_ENT_LINFILLNL - number of generated filling lines
+ Added: properties LC_PROP_WND_HASFILETABS, LC_PROP_WND_NUMFILETABS
+ Added: property LC_PROP_G_DELKEYERASE - to disable <Del> key for Erase command
+ Added: property LC_PROP_G_FILELCD - disables *.lcd filter from Open/Save file dialog
+ Changed: SVG plugin updated
+ Changed: loading TIN points - added separator <Tab>, added ".txt" file extention

Aug 22, 2022 - 3.0.1.192
+ Added: Entity property LC_PROP_ENT_THICKNESS
+ Added: Drawing properties LC_PROP_DRW_3DVIEW, LC_PROP_DRW_PROPLINFILL, LC_PROP_DRW_PROPZTH
+ Added: Command LC_CMD_3DVIEW - Enable/disable "3D View" tab

May 29, 2022 - 3.0.1.189
+ Added: Functions lcTIN_IsoMakeLabels, lcTIN_GetIsoLabel
+ Added: Function lcPropGetStrA
+ Added: Sample project for Visual Basic 6.0

May 20, 2022 - 3.0.1.188
+ Added: Function lcDrwInsertSHP to load ESRI shapefiles.
+ Fixed: minor bugs.

Apr 22, 2022 - 3.0.1.187
+ Fixed: minor bugs.

Nov 06, 2021 - 3.0.1.180
+ Added: Function lcDrwExplode .
+ Added: Function lcEntOffset .
+ Fixed: function lcBlockAddFillet worked only for lines.

Oct 19, 2021 - 3.0.1.179
+ Added: Command LC_CMD_CLOUD - Draw polylines as cloud sketch
+ Added: Entity property LC_PROP_ENT_GRIPMODE - Behavior concerning grips
+ Added: Window cursor property LC_PROP_WND_CURSORPBOX - Enable a selecting square (pickbox) at cursor position

July 16, 2021 - 3.0.1.175
+ Added: Function lcWndRedrawAuto .
+ Fixed: Wrong polylines after exploding a multiline text.

June 29, 2021 - 3.0.1.174
+ Added: Function lcWndWaitPoint2 .
+ Fixed: Several minor bugs.

June 03, 2021 - 3.0.1.173
+ Fixed: When property LC_PROP_WND_CMDENT1 is true, the command LC_CMD_RECT adds additional hidden rectangle.

May 24, 2021 - 3.0.1.172
+ Fixed: Several minor bugs.
+ Added: Code sample Create shape entity and retrieve hatch lines

Apr 26, 2021 - 3.0.1.171
+ Added: Functions  lcTIN_TriGetByPoslcTIN_TriGetEdge .
+ Added: Entity property LC_PROP_ENT_FROMCB .

Apr 23, 2021 - 3.0.1.170
+ Added: Functions lcPlineDivide, lcPlineDivide2, lcGetDivPt .
+ Added: Functions lcTIN_InterLine, lcTIN_InterGetPoint .
+ Added: Functions lcFilletSetLines, lcFillet, lcFilletGetPoint .
+ Added: Functions lcPlineDelExVers .
+ Added: Command LC_CMD_ATTDEF .
+ Added: Viewport properties LC_PROP_VPORT_BORDER, LC_PROP_VPORT_FIXSCALE .

Mar 23, 2021 - 3.0.1.169
+ Added: Function lcTIN_PntGetNear .
+ Added: Function lcTIN_Save .
+ Added: Command LC_CMD_TIN_SAVE and LC_CMD_TIN_BNDSAVE to save TIN object as separate file.
+ Added: Command LC_CMD_TIN_DELETE to delete active TIN object.
+ Added: Properties LC_PROP_BLOCK_TIN and LC_PROP_WND_TIN - active TIN object
+ Added: Function lcBlockDeleteEnt .
+ Added: Function lcEntType .
+ Fixed: Function lcExpEntity don't work with flag LC_EXP_HATCH .

Mar 06, 2021 - 3.0.1.168
+ Changed: TIN object .
+ Added: Function lcWndWaitPoint and event LC_EVENT_WAITPOINT .
+ Added: Function lcColorRGB .
+ Added: Property LC_PROP_WND_PTRACK_ANGREL .

Oct 16, 2020 - 3.0.1.165
+ Added: Reading block attributes in DXF plugin.
+ Added: Property LC_PROP_DRW_LUPREC.
+ Added: Properties LC_PROP_TIN_ISOZMIN, LC_PROP_TIN_ISOZMAX.
+ Fixed: Triangulation bug.
+ Fixed: Incorrect lineweights in export to DWG & DXF.

Sep 25, 2020 - 3.0.1.164
+ Fixed: some bugs in TIN functions.

Sep 18, 2020 - 3.0.1.163
+ Fixed: Attribute definition entity and Block attribute.
+ Added: Code samples for using block attributes.
+ Added: Function lcDrwUpdateBlkRefs .
+ Changed: Added parameter hBlockAtt to the function lcBlockGetBlkRefByTag .

Sep 07, 2020 - 3.0.1.162
+ Added: Command LC_CMD_TIN_BNDEDIT to edit TIN boundary interactively.
+ Added: Command LC_CMD_TIN_DELTRALL to delete all TIN triangles.
+ Added: Command LC_CMD_TIN_GENISO to call dialog "Generate TIN isolines".
+ Added: Command LC_CMD_TIN_GENFILL to call dialog "Generate TIN filling".
+ Added: Function lcTIN_ColorFill .
+ Fixed: Incorrect appearance of semi-transparent raster images.

Aug 28, 2020 - 3.0.1.161
+ Fixed: Incorrect import of Bezier splines from DXF and DWG.
+ Fixed: DXF plugin reads only 250 characters of MTEXT entity.
+ Fixed: Incorrect appearance of MTEXT entity (linespace and stacked characters).

Aug 17, 2020 - 3.0.1.160
+ Added: LC_ODA project to build DWG plugin
+ Added: Command LC_CMD_JOINALL to join all linked entities into polylines
+ Added: Command LC_CMD_DELOVER to delete overlapped lines
+ Added: Command LC_CMD_SCALEBLK to scale all entities of a block
* Fixed: Can not select an image inside of a block reference
* Fixed: Can not display polylines with more then 16000 vertices

Jun 20, 2020 - 3.0.1.159
+ Added: Function lcGetDrwXData
+ Added: Property LC_PROP_G_ENTEXT - Display entity's extents rectangle
+ Added: Code sample Add blocks from external file

Jun 15, 2020 - 3.0.1.158
+ Added: Multiline entity and Multiline style

May 23, 2020 - 3.0.1.156
+ Changed: All selection options becomes global properties and begins with LC_PROP_SEL_...
+ Added: Functions to set/get value of block attribute: lcBlkRefGetAttVal, lcBlkRefPutAttVal
+ Added: Properties for LandXML output from TIN: LC_PROP_TIN_LX_...
+ Added: Command LC_CMD_UNDOCLEAR to clear Undo buffer

Apr 30, 2020 - 3.0.1.155
+ Changed: Added new parameters to the function lcDrwAddImage2
+ Added: New code sample Create raster image (from a memory)
+ Added: New properties LC_PROP_G_MINCHARSIZE, LC_PROP_G_PANREDQUAL, LC_PROP_G_UNDOMSG
* Fixed: Function lcRPlanGetDist don't work

Mar 19, 2020 - 3.0.1.153
* Fixed: selection of Text entities by a point
* Fixed: "Filled" property of Shape entity
+ Added: Functions lcTIN_GetPointI and lcTIN_AddTrianI

Jan 30, 2020 - 3.0.1.152
+ Changed: return value of function lcPrintSetup

Jan 23, 2020 - 3.0.1.151
+ Added: new TIN functions and properties

Aug 28, 2019 - 3.0.1.143
* Fixed: DXF plugin don't read Z coordinate of 3D polyline

Aug 26, 2019 - 3.0.1.142
+ Added: Draw heights for TIN isolines. Dialog "TIN properties". API property LC_PROP_TIN_VIEWISOH
+ Added: Export TIN into LandXML file format

Jan 28, 2018 - 3.0.0.127
+ Added: Function lcBlockAddImagePlace and event LC_EVENT_DRAWIMAGE
+ Added: Properties LC_PROP_WND_BLKBASEPT and LC_PROP_WND_STDBLKFRAME of graphics window

Jan 05, 2018 - 3.0.0.126
+ Fixed: Several minor bugs
+ Added: Functions lcImageLoadCamera, lcImageProc
+ Added: Functions lcTIS_InitLibrary, lcTIS_CloseLibrary

Dec 04, 2017 - 3.0.0.125
+ Added: Functions lcShapeGetFirstEnt, lcShapeGetNextEnt, lcShapeGetLastEnt, lcShapeGetPrevEnt
+ Added: Auto-convert obsolete multi-path polylines into shape entities when load old *.lcd drawings.

Nov 28, 2017 - 3.0.0.124
+ Fixed: Can not create Shape entity using lcBlockBeginShape and lcBlockAddShape in empty block

Nov 25, 2017 - 3.0.0.123
+ Added: Functions lcEntAlign, lcEntBreak
+ Added: Event LC_EVENT_ENTERASE

Nov 14, 2017 - 3.0.0.122
+ Fixed: Several minor bugs

Oct 21, 2017 - 3.0.0.121
+ Added: Function lcBlockRasterizeMem
+ Added: Function lcBlockAddFillet
+ Added: View options for Jump Lines (properties LC_PROP_G_JL_DRAW...).

Sep 23, 2017 - 3.0.0.120
+ Added: API for moving entities by keyboard
+ Added: Functions lcBlockMove, lcBlockScale, lcBlockRotate, lcBlockMirror
+ Added: Function lcEntReverse
+ Added: Function lcPlineSetStartVer
* Fixed: Error of copy/paste of shape objects

Aug 24, 2017 - 3.0.0.119
+ Added: Block Attribute entity (LC_ENT_ATTRIB)

Aug 13, 2017 - 3.0.0.118
+ Added: Plugin to read SVG format (Plugin_svg.dll)
+ Added: Status bar properties (LC_PROP_SBAR_...)
+ Added: Layer property LC_PROP_LAYER_NOEXPORT

July 19, 2017 - 3.0.0.117
+ Added: Function lcHatchGetEnt to retrieve boundary entities of associative hatch
+ Added: Polyline width, properties LC_PROP_PLINE_WIDTH, LC_PROP_VER_W0, LC_PROP_VER_W1
+ Added: Function lcEntSplit, and code sample
+ Added: Command LC_CMD_ORDER_SEQ, property LC_PROP_G_ORDSEQ_AUTO

July 03, 2017 - 3.0.0.116
* Fixed: At commands next click on same position is not filtered
* Fixed: VB.Net 64-bit application don't work
+ Added: Function lcWndZoomPos
+ Added: Write mode for LC_PROP_WND_PIXELSIZE property
+ Added: Property LC_PROP_DRW_EXTOFFLAYER - enable/disable invisible layers for extents calculation
+ Added: Properties LC_PROP_LINE_W0, LC_PROP_LINE_W1, LC_PROP_LINE_SOLID to define wide lines

June 20, 2017 - 3.0.0.115
* Fixed: import image of VEC file, not square pixel
* Fixed: view limits can't set in the dialog
* Fixed: need zoom rect in order to update view limits
* Fixed: can't rotate 32-bit images
* Fixed: Function lcExpEntity don't work for BlockRef entity
* Fixed: WinText entity is incorrect drawn inside of blockref
+ Added: Property LC_PROP_WND_OSNAPMENU (on shift + right click)
+ Added: Property LC_PROP_LAYER_OSNAP

May 30, 2017 - 3.0.0.114
* Fixed: Can't export to DXF linewidth property and Hatch entity
* Fixed: Function lcExpEntity don't work for Hatch entity
* Fixed: Hatch entity changes its position if its movement has been canceled
* Fixed: win text entity size problem
+ Added: Support 16-bit color images
+ Added: Properties LC_PROP_DRW_JL_LAYER, LC_PROP_LAYER_JUMPLINES for jump lines
+ Added: Properties LC_PROP_G_DEMOTEXT, LC_PROP_G_DEMOSIZE, LC_PROP_G_DEMOCOLOR
+ Added: Code samples: "Sort by layers""WinText",  "Get hatch outlines"

May 16, 2017 - 3.0.0.113
* Fixed: TextWin entity imported old VEC file format have some side effects
+ Added: Polygon filling by background color is exported to DWG as Wipeout object

May 07, 2017 - 3.0.0.112
* Fixed: Jump lines don't work for smooth polylines
* Fixed: 32bit color BMP images are not displayed
+ Added: Property LC_PROP_WND_TINEXT (consider TIN extents when display drawing's extents)
+ Added: Property LC_PROP_G_FILEDEFEXT (default file extention used for "Open file" dialog)
+ Added: Object snap mode LC_OSNAP_NODE works for TIN points
+ Added: Snap to rectangle border (Properties LC_PROP_WND_RSNAP...). In Litecad.exe - main menu "Format / Drawing Options...", group "Rect Snap"

Apr 08, 2017 - 3.0.0.111
+ Added: Rectangle entity properties LC_PROP_RECT_DIRCW, LC_PROP_RECT_START .
+ Added: Entity type LC_ENT_TEXTWIN (text rendered by OS) .
+ Added: Jump Lines properties LC_PROP_G_JL_BASE, LC_PROP_G_JL_BASEX, LC_PROP_G_JL_BASEY .
+ Added: Object Snap properties (LC_PROP_G_OSNAP_...) .
+ Added: Events LC_EVENT_GRID, LC_EVENT_OSNAP, LC_EVENT_PTRACK, LC_EVENT_ORTHO .
+ Added: Functions lcDrwAddFilling, lcFillSetLine .
+ Added: Function lcTIN_NormTrians .
+ Added: Code samples  1 ,  2  .

Mar 03, 2017 - 3.0.0.110
* Fixed: AutoCAD wipeout object imported incorrectly.
* Fixed: Incorrect position of dimensions in a viewport.

Feb 27, 2017 - 3.0.0.109
+ Added: Functions lcEntSplit, lcBlockSelSplit, command LC_CMD_SPLIT
+ Added: Copy XData when copy entity
+ Added: Function lcWndHoverText
+ Added: Property LC_PROP_WND_FROZENVIEW
+ Added: Enable selection by click on inner area for rectangle, circle, ellipse
+ Added: API for Triangulated Irregular Network (TIN) object.
+ Added: Function lcWndSetBasePoint
+ Added: Properties LC_PROP_WND_PTRACK, LC_PROP_WND_PTRACK_ANGLE, LC_PROP_WND_PTRACK_DIST, LC_PROP_WND_BASE...
+ Added: Command LC_CMD_PLUGINS (calls "Plugins" dialog)

Jan 19, 2017 - 3.0.0.107
+ Added: Function lcWndGetEntsByPoint
+ Added: Clipping rectangles

Dec 29, 2016 - 3.0.0.106
* Fixed: Properties LC_PROP_RPVER_... don't work
* Fixed: Wrong coordinates of imported AI drawing
+ Added: Function lcPlineFromFile
+ Added: "Aerial view" window (LC_PROP_WND_NAVIGATOR)
+ Added: Export barcodes to DXF/DWG

Nov 27, 2016 - 3.0.0.105
+ Added: Events LC_EVENT_GRIPMOVE, LC_EVENT_ENTMOVE, LC_EVENT_ENTSCALE, LC_EVENT_ENTROTATE, LC_EVENT_ENTSCALE, LC_EVENT_ENTMIRROR
+ Added: Window background image option, property LC_PROP_WND_BGIMAGE

Nov 09, 2016 - 3.0.0.104
+ Added: Shape entity (LC_ENT_SHAPE)
+ Added: Functions lcBlockBeginShape, lcBlockAddShape
+ Added: Command LC_CMD_SHAPE
+ Added: Functions lcExpEntity, lcExpGetPline, lcExpGetVertex

Oct 17, 2016 - 3.0.0.103
+ Added: Command LC_CMD_FILLET (see Litecad.exe, menu "Modify / Fillet")
+ Added: Commands LC_CMD_FILENEW, LC_CMD_FILEOPEN, LC_CMD_FILEINSERT, LC_CMD_FILERECENT

Sep 21, 2016 - 3.0.0.102
* Fixed: Several minor bugs

Sep 19, 2016 - 3.0.0.101
+ Added: Command LC_CMD_OFFSET (see Litecad.exe, menu "Modify / Offset")
* Fixed: Rotated raster image is not displayed in a viewport

Sep 16, 2016 - 3.0.0.100
+ Added: Command LC_CMD_TRIM (see Litecad.exe, menu "Modify / Trim")
+ Added: Command LC_CMD_EXTEND (see Litecad.exe, menu "Modify / Extend")
+ Added: Command LC_CMD_BREAK (see Litecad.exe, menu "Modify / Break")
* Fixed: ECW image is not displayed in a viewport

Sep 07, 2016 - 3.0.0.99
! Changed: Improved redraw performance
* Fixed: Error of loading some drawings of Litecad 2.x format
+ Added: Pen emulator (see Litecad.exe, menu "Tools / Pen emulation")
+ Added: Function lcWndEmulator
+ Added: Magnifier (see Litecad.exe, menu "View / Magnifier")
+ Added: Function lcWndMagnifier, property LC_PROP_WND_MAGNIFIER, commands LC_CMD_MAG...

Aug 15, 2016 - 3.0.0.98
+ Added: 3D Face entity (LC_ENT_FACE)
+ Added: Properties LC_PROP_FACE_...
+ Added: Functions lcBlockAddFace, lcBlockAddFace4
+ Added: Command LC_CMD_FACE

Aug 04, 2016 - 3.0.0.97
+ Added: External reference object
+ Added: Improved import drawing files of VeCAD 5.2 format
+ Added: Properties LC_PROP_LINE_DSARROW0, LC_PROP_LINE_DSARROW1 for a line

July 28, 2016 - 3.0.0.96
+ Added: Extention for command LC_CMD_INSERT

July 26, 2016 - 3.0.0.95
+ Added: Properties used to set view limits (LC_PROP_DRW_LIM_...)
+ Added: Function lcDrwSetLimits
* Fixed: Some problems with cursor appearance

July 19, 2016 - 3.0.0.94
+ Added: Polyline FitType LC_PLFIT_SPLINE and LC_PLFIT_LINQUAD
+ Added: Property LC_PROP_DRW_EXPTEXTSPLINE
+ Added: Command LC_CMD_SPLINE

July 14, 2016 - 3.0.0.93
+ Added: Custom command interface
+ Added: Command LC_CMD_RPOLYGON
+ Added: Property LC_PROP_DRW_EXPSIMPLINE

July 04, 2016 - 3.0.0.92
+ Added: Functions lcPrintSetup, lcPrintLayout, lcPrintBlock 
+ Added: Import drawing files of VeCAD 5.2 format
+ Added: Raster image ref. properties LC_PROP_IMGREF_SCALEX, LC_PROP_IMGREF_SCALEY, LC_PROP_IMGREF_SQPIX
+ Added: Properties LC_PROP_DRW_SELINPGON, LC_PROP_DRW_SELINPGONF, LC_PROP_DRW_SELINIMG

June 30, 2016 - 3.0.0.91
* Fixed: Can't load some files of Vecad 6 format (VEC plugin)
* Fixed: Moving entities grips don't updates drawing's extents
* Fixed: Define Hatch boundary by lcHatchBoundEntity requires right order
+ Added: Functions lcPlineFromPtbuf, lcPlineFromMpgon

June 25, 2016 - 3.0.0.90
+ Added: "Viewport" entity, LC_ENT_VIEWPORT, command LC_CMD_VPORT
+ Added: Functions lcWndGetEntByID, lcWndGetEntByIDH, lcWndGetEntByKey

June 11, 2016 - 3.0.0.89
+ Added: Function lcBlockSelBlock
+ Added: Function lcHatchBoundEntity

June 02, 2016 - 3.0.0.88
* Fixed: lcBlockAddImageRef don't work properly
+ Added: Function lcImgRefResize, lcImgRefGetPixel
+ Added: Code sample for adding raster images into a drawing (see help file)

May 16, 2016 - 3.0.0.87
! Changed: Syntax of lcInitialize
! Changed: Events
+ Added: Function lcEventSetProc
- Removed: Function lcEventDefProc
+ Added: "Join entities" command, LC_CMD_JOIN, lcBlockSelJoin()
+ Added: "Align entities" command, LC_CMD_ALIGN, lcBlockSelAlign()

May 06, 2016 - 3.0.0.86
+ Added: Functions lcPlugGetOption, lcPlugSetOption

May 04, 2016 - 3.0.0.85
* Fixed: lcExpEntity returns superfluous polylines for selected polyline with arc segments.
* Fixed: lcBlockRasterize don't work
* Fixed: MText is always drawn at position 0,0
* Fixed: MText, wrong position of underlines and upperlines
* Fixed: ImageRefs are not updated on image reload or unload
* Fixed: "Pure virtual call" error on closing LiteCAD window (at same cases)
+ Added: Code sample "Convert a drawing into raster image"
+ Added: Dialog "Selection Options", command LC_CMD_SELOPTS
+ Added: Property LC_PROP_G_FILEPROGRES, to disalble progress box during file load/save
+ Added: Function lcDrwExplode