10.2 ENT FIX by tonzi 2015-10-30
10.1 ENT

May, 2014: CAD VCL 10.0

New features:

- Embarcadero RAD Studio XE6 support;
- Drawings visualization speed is increased
- AutoCAD DWG/DXF loading speed is increased

July, 2013: CAD Import VCL 9.1

New features:

- Support of 3D formats: STEP, IGES, STL, ASIS SAT and BREP;
- Tsg3DNavigator component for displaying 3D files;
- Processing of splitted line types is improved.

November, 2012: CAD Import VCL 9.0

New features:

- Import of AutoCAD DWG 2013 file format;
- Embarcadero Delphi XE3 support.

June, 2012: CAD Import VCL 8.1

New features:

- 64-bit platforms support;
- Embarcadero Delphi XE2 support;
- Import of AutoCAD 2012 DWG and DXF files.

January, 2011: CAD Import VCL 8.0

- CGM format support improved greatly.
- Support of AutoCAD 2011 files added.
- After Add/Change/Delete entity(es) call TsgCADImage.RefreshCurrentLayout for redraw doublebuffered TsgDrawingNavigatior.

January, 2010: CAD Import VCL 7.2.5

New features:

- Import of DWG 2010 files.
- Snap by normal.
- SVG import principle is thoroughly improved and revised.
- Import of a big number of DIMENSION and DIMENSIONSTYLE properties is added.
- Displaying of arbitrary degree splines is added.

August, 2009: CAD Import VCL 7.2

New features:

- Import of DWF files.
- Import of DXF binary files.
- Every loaded entity has its own unique Handle.
- Complex line types.
- Image cutting in DWG/DXF files.
- Support of the INSERT with the specified number of the columns.
- Optimized by memory usage: CIRCLE, ARC, ELLIPSE, SPLINE.
- AutoCAD WIPEOUT entity is supported.
- AutoCAD MLINE entity is supported.
- AutoCAD HELIX entity is supported.
- AutoCAD TOLERANCE entity is supported.
- AutoCAD TRACE entity is supported.
- AutoCAD SHAPE entity is supported.
- Better reflection of the MTEXT, LEADER, ACAD_PROXY_ENTITY, SPLINE, LWPOLYLINE entities.
- Reflection of the ACAD_TABLE entity for DWG files.
- Better reflection of DWG, HPGL-2, PCL files.
- Older DWG files are supported (down to version "AC1002").
- Bugs fixed:
  - incorrect Xref cyclic reference.

February, 2007: CAD Import VCL 6.1

New features:

- AutoCAD DWG 2007 file format is supported.
- AutoCAD PROXY (including AEC) entities are supported.
- HPGL/HPGL2 file format - Bezier splines are supported.
- DXF loading has been optimized for files with big amount of blocks (layers and styles). In some cases speed is increased up to ten times.
- Rotating drawings with raster images has no limitations since now.
- When filling TsgCADGradientPolygon class objects GDI+ is used, if installed in the system.
- Enhanced Unicode symbols for TTF fonts are supported.
- All ANSI-codepages are supported.
- Bugs fixed:
  - incorrect viewing of some Backward texts;
  - incorrect viewing of raster images in block.

April, 2006

CAD Import VCL v5.25

New features:

- Viewing of HPGL files became significantly faster. Requirements for memory lowered in 2 .. 10 times.
- Support for BigFonts.
- SHX support: if the given SHX fonts are not found the default SHX fonts will be used.
- Support for DWG v. 9, 10 and 10.
- Forward references in DWG12.
- Bugs fixed for PolyFace in DWG12 and for gradient filling in HPGL.
- Bugs fixed for DWG/DXF, HPGL, SVG and CGM file formats.
- Classes TsgCADPolyPolygon, TsgCADGradientPolygon, TsgCADCurvePolygon and TsgCADHatch were created to replace TsgDXFHatch class.

New classes are added:

- Tsg2DArc
- Tsg2DBoundaryList
- Tsg2DCurve
- Tsg2DEllipse
- Tsg2DLine
- Tsg2DPolyline
- Tsg2DSpline
- TsgCADCurvePolygon
- TsgCADGradientPolygon
- TsgCADHatch
- TsgCADPolyPolygon
- TsgDXFObjectEntity
- TsgDXFOle2Frame
- TsgFlatEntity
- TsgFlatHatch



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Aug 2005

CAD Import VCL v5.

Major news in the update:
- DWG and DXF SHX fonts supported
- DWG and DXF ACIS entities
- DXF Autocad Table
- DWG and DXF reference images
- HPGL RTL images
- DWG and DXF Hatch gradients
- Scalable Vector Graphics (SVG)
- Computer Graphics Metafile (CGM)
- bugs fixing
- Unicode fonts supported (important especially for languages based on hieroglyphs - Chinese, Korean, Japanese etc.)

Demos:

Add new entities:
Simple demo shows adding entities to TsgDXFImage / TsgDXFConv. For more functionality in this way see Editor demo.

Editor (former 'Select)
- Selection element directly by mouse and with rectangle
- Select All
- View selected elements in an additional window (now lines and circles only)
- Drag-n-drop selected element
- Copy block to clipboard and paste to another drawing

DB Blob+LoadFromStream:
Working with Data Bases and stream.

MergeBMP&DXF:
Merging BMP and DXF file.

OpenGL:
OpenGL demo draws 3DFace entities using OpenGL functions.
Features:
- Zooming
- Padding by left mouse button (when 3D Rotating is off)
- 3D Rotating
- Option 'Whireframe' allows showing of the items as a flooded or framed surface
- Option 'Black background' allows drawing of the background in black or grey color
- Option 'Lighting' switches on/off shading of the surface
- Options 'Material1' and 'Material2' allows showing of the surfaces as different kinds of material

SimpleImport
- SimpleImport is a main demo for IMPORT purposes. It shows reaching the properties of entities. Opens a CAD file and save TXT file.  "Complicated" import is TsgDXFImage.pas which is delivered in Lib directories.

TextChange+Color2LineWeight+MergeFiles:
- Scripts to change special text to give values
- Assigns line weight using color
- Merges files
- Changes LineType scale
- Shows/Hides lineweight

Viewer:
Main demo shows using CAD Import VCL for viewing purposes. It has examples of working with:
- Opening DXF/DWG/BMP, etc. files
- Save to BMP/JPG/EMF/WMF (similar ways can be used to saving to another fomats)
- Print
- Print 1:1 scale
- Print view area
- Zoom in (also use MouseWheel)
- Zoom out
- Layers
- Background color
- SHX fonts
- 3D orbit
- Grid
- Open BMP frame and insert CAD
- Layouts
- Structure
- Reloading file with the same view
- Show specified point on the drawing
- Find text and draw embracing rectangle or ellipse
- Etc.


8 Dec 2004
fLayers.pas - now elements on invisible layers do not influence to image size. If invisible layer turned on, size of image recalculated.

3DOrbit recalculates image size after mouse up event.

Demos:
Editor (former 'Select)
- Selection element directly by mouse and with rectangle
- Select All
- View selected elements in an additional window (now lines and circles only)
- Drag-n-drop selected element
- Copy block to clipboard and paste to another drawing

SimpleImport
- Makes txt file with much more element properties. Understanding of reaching elements becomes more easy. Please pay attention that DXFImage.pas is the most difficult example of IMPORT DXF/DWG/HPGL elements.

TextChange+Color2LineWeight+MergeFiles
- Merging files example. Press 'Merging text' on toolbar
- LineType changing - press 'LType/2'

Viewer
- View>Show Point navigates to specified point on the drawing with given scale
- View>Find text looks for the specified text and make rectangle or ellipse round it

OpenGL
- Drawing '3DFACE' entities using OpenGL library.
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