PLT (also HPGL) is the standard language for printing line drawings created by Hewlett-Packard. HPGL is supported by many CAD programs, charting programs and word processors.
LEADTOOLS supports HPGL and HPGL/2.
It is possible to speed up the loading of large PLT files. For more information, refer to Using Filter Data to Speed up Loading Large Files.
This file format requires a Document or Medical toolkit license and unlock key.
The file constants associated with this file format are:
| Constant | Read Support | Write Support | Description | 
| FILE_PLT | Yes | Yes | [137] PLT. | 
When PLT files are rasterized, they are 4 BPP.
The following table indicates which objects LEAD can load and which objects it can save:
| Object: | Load: | Save: | 
| Arc | Supported | Supported | 
| Circle | Supported | Supported | 
| Lines | Supported | Supported | 
| Pie | Supported | Supported | 
| PolyDraw | Supported | Not Supported | 
| Polygons | Supported | Not Supported | 
| Polyline | Supported | Not Supported | 
| Rectangle | Supported | Supported | 
| Text | Supported | Not Supported | 
Required DLL: LFPCL. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application.
NOTE: This format does not support LEAD's redirected IO feature, therefore it cannot be used with L_RedirectIO, L_LoadBitmapMemory, L_LoadMemory, L_SaveBitmapMemory, or L_FeedLoad.
Related Formats: CGM - Computer Graphics Metafile, CMX - Corel Presentation Exchange Format, DGN - Intergraph Format, DRW - Micrografx Designer DRaWing, DWF - DWF Format, DWG - DWG Format, DXF - Drawing Interchange Format, EMF - Windows Metafile Formats, GBR - Gerber Format, PCL - Printer Command Language Format, PCT - Macintosh Pict Format, PDF - Portable Document Format, PS - PostScript Document Format, RTF - Rich Text Format, SHP - ESRI Shape Format, SVG - Scalable Vector Graphics Format, VEC - LEADTOOLS Vector Dump Format, VPG - WordPerfect Vector Format, WMF - Windows Metafile Formats, WMZ - Compressed Windows Metafile Format, E00 - ArcInfo Interchange File Format, MIF - MapInfo Interchange File Format.
Win32, x64.
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