efg's Computer Lab & Reference Library Change Summary

Date	Page(s)	Description
31 July 2006	Main page	Dropped nedstatbasic counter since it was creating popups.
28 Aug 2005	Delphi Book pages; Pillars of Delphi page	Removed obsolete Delphi pages. Dropped Borland mirror. Start phasing out Tech Book Store.
3 Sep 2004	All	Microsoft in their wisdom(?) dropped support for xbitmap files in Windows XP SP2. If you have IE, the red Xs you many now see are xbitmaps displayed under IE 6 SP2. You have no problem with FireFox.
2 Sep 2004	efg's Research Notes	Intellectual property separation: My work at Stowers Institute for Medical Research is not formally part of efg's Computer Lab.
16 Jul 2003	Sphere in Cube Movie Lab Report	Added animated GIF output file option. Thanks to Finn Tolderlund for the suggestion and code.
5 Jul 2003	Delphi Interface to Intel Math Kernel Library	The description of the Delphi interface to the MKL was quite out-of-date and was removed.
30 Jun 2003	PixelProfile Lab Report	Special PixelProfile version for 1024-by-1024 images.
27 Jun 2003	Histostretch Grays Lab Report	Added buttons to save stretched image to file or copy to clipboard..
15 May 2003	KCK Tornado Page	Video and still pictures of tornado in Kansas City, KS on 4 May 2003
25 Feb 2003	Color Mask Lab Report	New Lab Report.
23 Feb 2003	Delphi Graphics: Image Processing	Updated image scrolling example to be either with scroll bars or by dragging with mouse
11 Feb 2003	Delphi Graphics: Math Algorithms	Mathematical Butterfly example added
28 Jan 2003	CRC Calculator Lab Report	Added CRC32 unit initialization to verify CRC32 table is OK. Thanks to Gary Williams for this suggestion.
5 Jan 2003	Simple Bar Chart Lab Report	Updated to K3/D7.
4 Jan 2003	Hershey Font Lab Report	Updated to K3/D7.
31 Dec 2002	CLX Form Portability	Discusses problems with CLX form portability, especially when using the default form properties.
22 Dec 2002	Kylix Technotes by Matthias Thoma	Contributions by Matthias Thoma
15 Dec 2002	CRC Calculator Lab Report	Updated to Kylix CLX version for Linux and Windows
8 Dec 2002	Kylix Under VMware	Added notes to include SuSE 8.0 and Mandrake 9.0 Linux under VMware.
1 Dec 2002	Many	Phase out old EarlGlynn@att.net E-mail address -- a few references may remain inside ZIP files. Try to be more proactive in just dropping links that are stale or have moved.
17 Nov 2002	Kylix Under VMware	New technical note about running Kylix 3 in Red Hat Linux under VMware
10 Nov 2002	Pillars of Delphi page	"flattened" Pillars page from three levels into single alphabetical list
10 Nov 2002	"Non Technical" Library pages	Deleted low-traffic pages instead of updating them: World, United States, Kansas, Potpourri, Kids. Old contents may be available via the Wayback Machine.
18 Oct 2002	Jean-Yves Quéinec's Delphi Image Processing	How to improve image quality in Delphi
14 Oct 2002	Kylix Deployment Notes for "Hello World"	Deployment notes for Linux CLX applications in anticipation of new Lab Reports with CLX code.
18 Feb 2002	Whole site	Interland, without the 72-hour notice they promised, moved my site from AT&T. E-mail was out for a day or so. How can I escape Interland, if they bought AT&T web hosting?
29 Jan 2002	Whole Site	AT&T Small Business Web Hosting sells out to Interland (which I fled in June 2001). Interland freezes site for almost two days and counters were off for most of Jan 28-29.
16 Dec 2001	Delphi Graphics Color Algorithms Library page	Added Vectorscope project
10 Oct 2001	ShowImage Lab Report	The GetCValue, GetMValue, GetYValue and GetKValue API calls in the Windows unit do not work correctly. A different way to compute CMYK values was used instead.
9 Oct 2001	Delphi Algorithms Library page	Added "Waves" example.
30 Sep 2001	Total site was republished.	An unexplained FTP problem while updating the site destroyed the directory structure. The whole site had to be updated to fix the problem. Counters were not working for much of the last day. The Borland mirror was not affected by this problem.
29 Sep 2001	ShowImage Lab Report	Fixed error in HLStoRGB function. The 1996 version of Foley and van Dam's computer graphics textbook introduced an error that was not present in the 1982 version. [Thanks to Gary Freestone, IBM Global Services Australia, for bringing this to my attention.] This change only affected the RealColorLlibrary but nothing needed by ShowImage.
7 Jul 2001	Simple Bar Chart Lab Report	Added new Kylix version of this project
1 Jul 2001	Kylix Notes page	Table of contents for Kylix information integrated into other Delphi pages in the Computer Lab and Reference Library.
24 Jun 2001	Complex Numbers and Functions pages	Documentation and verification of complex math functions in ComplexMathLibrary unit.
16 Jun 2001	Delphi Math Info page	Updated table to include information about math changes made in Kylix and Delphi 6.
16 Jun 2001	whole site	Converted Count.EXE to Perl script count.pl and updated the 170+ pages with counters on both the main site and the Borland mirror. Used xbitmap graphic in Perl script to return counter values. Statistics were lost from June 5 to June 16 (thanks, Interland).
8 Jun 2001	whole site	Initiated move of web site hosting to AT&T from Interland. All the Default.htm pages were changed to index.html. Unfortunately, the web site is now case sensitive.
8 Jun 2001	Spectra Lab Report	Made additional changes per request from Eric Donn
5 Jun 2001	whole site	Interland kills CGI counters on my site and will not explain why.
22 May 2001	selected pages	Added links to "Chinese Version" translations of several pages by Hector Xiang. http://bluemoon.myrice.com/efg. Chinese translations are Copyright (C) 2001 by Hector Xiang. I retain the copyright on all the original English versions.
13 May 2001	Hershey Font Lab Report	First Kylix/Delphi Lab Report
11 May 2001	Palette Lab Report	Update (from last June but never put online) of the color palette experiment project
7 May 2001	TBitmap, BMP, DIB new page	New page from fragments on other pages (to make original pages smaller): Graphics File Formats page and Graphics VCL/RTL page.
6 May 2001	Future Kylix pages	Finally configured Kylix to run under VMware. Many Delphi Reference Library pages, especially the math-related ones, will be expanded to be "Delphi/Kylix".
15 Apr 2001	Many Reference Library pages	All 385 Deja links replaced with local copies of UseNet Posts. Each of these links took about 3-4 minutes to update. What a pain!
9 Apr 2001	whole site	InterLand raises rates 100% for 20 GB/month bandwidth. On April 12 I was told Interland would finally honor the invoice I paid in March for six months of web hosting.
8 Apr 2001	Spectra Lab Report	Made additional changes per request from Eric Donn
5 Apr 2001	main entry page, www.efg2.com/Lab	NedStat counter upgraded. Now in English instead of Dutch.
1 Apr 2001	CRC FileCheck Lab Report	Fixed error in MetaCRC computation reported by Miroslav Vancl.
23 Mar 2001	Aspect Ratio Lab Report	New Lab Report about how to display any rectangular TPicture in any TImage while maintaining aspect ratio.
18 Feb 2001	Basketball Lab Report	New Lab Report about mapping world coordinates to pixel coordinates and deciding whether a shot is for 2 points or 3.
13 Feb 2001	Cursor Overlay Lab Report	New Lab Report about overlaying cursor bitmap on another bitmap. Problem with GetIconInfo fixed on 19 Feb. 2001.
13 Feb 2001	Spectra Lab Report	Updated Lab Report to include color box bitmap option.
12 Feb 2001	Many Reference Library pages	Google buys Deja and breaks ALL the Deja links. I'll wait a while hoping Google brings them back. Otherwise, I will replace the Deja links with local copies of the postings. Last week, having heard of problems at Deja, I made offline copies of all links to Deja postings.
9 Feb 2001	Several Reference Library pages	"Broken" Deja links removed. When Deja took posts offline from before May 1999 many links were broken.
28 Jan 2001	Delphi Math Info and Links Delphi Math Components Delphi Math Resources	The Delphi Math Resources page was created from the Links section of the Delphi Math Info and Links page, combined with the contents of the Delphi Math Components page.
12 Jan 2001	Smoothing Algorithm Using Bézier Curves Project	by Jean-Yves Quéinec. Draw and distort polygons using Bézier curves. Also see other projects by Jean-Yves: Molecules, Sprites
5 Jan 2001	Image Feathering Lab Report	New Lab Report about merging foreground and background images
2 Jan 2001	Delphi Graphics Algorithms Page	Resource Demo application. Added examples of reading array of binary data (integers and doubles) from resource file.
22 Dec 2000	Delphi Graphics Algorithms Page	Resource Demo application shows how to use the following file types in resource files: BMP, ICO, JPG, GIF (requires Anders Melander's TGIFImage), EMF, TXT, AVI, WAV and cursors
23 Nov 2000	all	Mirror site at http://homepages.borland.com/efg2lab/Default.htm is now operational.
12 Nov 2000	most pages	As part of continuing effort to get rid of MS FrontPage extensions, "green" FrontPage counters are being replaced with "red" local counters, which will track the main site and any mirror sites.
29 Oct 2000	Delphi Printing Info and Links Page	Reorganized page into more meaningful categories.
14 Oct 2000	most pages	Start removing constructs that need FrontPage extensions as first step to mirroring site at a location to be announced: Hover buttons and Front Page Search for now.
26 Sep 2000	Fractal Discovery Lab page	Visual overview of this old Turbo Pascal program.
17 Sep 2000	Delphi Strings Library Reference, and Delphi Graphics Algorithms: Math/Geometry page	Updated Tokens example on Strings page and used the TTokens class to parse numeric data from TXT file and create a TBitmap from the data.
10 Sep 2000	Color Reference Library	The Color Reference Library was split into three separate pages: - General Color Information - Color Science/Theory - Color and Computers
7 Sep 2000	All pages	Because of high-bandwidth last month (12+ GB in August 2000), the web site was relocated to yet another Interland server at 64.225.66.126. Lost counters for parts of several days.
29 Aug 2000	Image Enhancement & Thresholding Using Palettes	New Lab Report (by Dean Inglis)
20 Aug 2000	Brush Bitmaps Lab Report	New Lab Report about Brush.Bitmap and Transparency
18 Aug 2000	Search page	Added Hyper-IntraSearch option
21 July 2000	all	"Moved" to new web server at InterLand in Atlanta. (Changed from 209.223.81.7 to 64.225.40.165). Domain transfer by NIC and propagation to domain servers took several days so counters lost many counts for several days.
31 May 2000	Many pages	Deja takes offline postings prior to May 1999. Deja says they'll bring them back eventually.
21 May 2000	Unicode Lab Report	New Lab Report to display any of the 65,536 Unicode characters.
5 May 2000	Polygon Area and Centroid Lab Report	Clarified centroid formulas, which were misleading, thanks to feedback from Miroslav Kolar.
3 May 2000	Exploring Numbers, Non-a-Number and Infinity Tech Note	Fixed bug in IsInfinity function thanks to Jon Shemitz. Minor updates for D5.
1 May 2000	All pages	Upgraded from FrontPage 98 to FrontPage 2000.
25 Apr 2000	Delphi Graphics Algorithms: Math/Geometry page	Added Spiral Transform example
22 Apr 2000	Fractals and Chaos Lab Reports	Updated Lyapunov Exponents to add ability to print images
19 Apr 2000	Delphi Color Graphics Algorithms page	Added ColorLines example of how to draw Gradient and Rainbow lines.
19 Apr 2000	YUV Lab Reports	Added "411" example for Sony Mavica camera thumbnail images
16 Apr 2000	Fractals and Chaos Lab Reports	Added New Lab Report: Fractals Show 2
10 Apr 2000	Fractals and Chaos Lab Reports	Added new Lab Reports: Lyapunov Exponents, Sierpinski Triangle Gasket, von Koch Snowflake
18 Mar 2000	Delphi Graphics Algorithms -- Color page	Added InvertColors example
17 Mar 2000	Delphi Strings Library Reference	Added ShowFont sample program an display of several fonts and character sets: Terminal, Arial Narrow, Symbol, WingDings
12 Mar 2000	Single-Bit Bitmaps Lab Report	Added project with modifications by Jean-Pierre Jouandet to allow rotation by 90 degrees. Updated again 19 Mar 2000 for additional rotation angles.
26 Feb 2000	Printer Demo #2 Lab Report	Added example of clipping using Windows regions. Added additional explanation of device-independent way to draw on any canvas.
7 Feb 2000	Briefcase: UDL and ADTG Tech Note	New ADO Step-by-Step-from-Scratch Tech Note
6 Feb 2000	Scanline Tech Note	Added clarifying comments by Danny Thorpe, Borland R&D, including a new section "Misuse of Scanline".
6 Feb 2000	Delphi Graphics Algorithms: General, Color, Image Processing, Math/Geometry	Split ~200 KB Delphi Graphics Algorithms page into four separate pages.
5 Feb 2000	Copyright and Conditions of Use	Introduced this new page because of several requests for this information.
24 Jan 2000	ADO Step-by-Step-from-Scratch Tech Notes	Introduced new series with several ADO-related Tech Notes.
23 Jan 2000	Circle Word Wrap Lab Report	Added Walter Schick's Circular Text Project
12 Dec 1999	CryptImage Lab Report	New Lab Report about encryption/decryption of BMPs and JPEGs
5 Dec 99	Till Lab Report	Updated this count-down timer and created new Lab Report. By default, the count-down timer counts down till the next January 1st. Through the "setup" button and the user interface, any time can be used as the target time.
27 Nov 99	Delphi Graphics Algorithms Reference Library	Added new Color Managment section. Aded Kevan Booker's Arrow Example Project. Added sample code to extract cursors into BMP files. Added chart of cursors by version of Delphi. Added sample project of how to use "Marching Ants" over a TImage
27 Nov 99	Circle Word Wrap Lab Report	Added Walter Schick's Spiral of Rotated Text Project
27 Nov 99	Delphi Graphics Algorithms page	Added sample project to create BMP files of standard cursors.
17 Nov 99	Delphi Reference Library Summary page	New page that gives multiple-level view of all contents of Delphi Reference Library pages.
7 Nov 99	Image Processing Reference Library pages	Split original Image Processing page into separate pages: General Info, Databases and Test Targets, Algorithms, Medical Applications, Software Packages
31 Oct 99	Pillars of Delphi page	New page to honor individuals that support Delphi
19 Oct 99	LineStretch Lab Report	Modified version by Juliano Zabeo Pessini from São Paulo, Brasil
17 Oct 99	CRC Calculator Lab Report	Added 1s complement as "finalization" of CRC-32 computation by CRC Calculator. Now Calculator gives same result for string 'abc' as a text file with only 'abc'.
14 Oct 99	pf1bit Lab Report Scanline Tech Note	Added examples of how to use palettes with pf1bit bitmaps.
12 Oct 99	Traffic Report	Introduced monthly summary of page views from all pages.
2 Oct 99	Updated Borland links on any pages, especially Delphi Reference Library pages	After several weeks of updating links, all the Borland TI and FAQ links are now updated and Q&A links were renamed. This was only the third time this year Borland has changed their links!
11 Sep 99	YUV Lab Reports	New Lab Reports: YUV-12 / YUV-9, UYVY, Y8
6 Sep 99	CRC FileCheck Lab Report	New Lab Report (D3/D4/D5)
6 Sep 99	CRC Calculator Lab Report	Updated coding style and fixed D4/D5 problem.
30 Aug 99	RotateScanline Lab Report	Added Borland C++ Builder source code version contributed by Darren Gallagher.
25 Aug 99	Very Large Bitmap Lab Report	Based on suggestions from others, Bitmap.PixelFormat is now assigned immediately after Bitmap := TBitmap.Create (instead of waiting till after the Bitmap.Height and Bitmap.Width are assigned). This allows creation of significantly larger bitmaps.
22 Aug 99	efg's Technical Book Store	Started partnership with Powell Books to sell used books
22 Aug 99	Delphi Strings (open under construction)	New Library Reference page
15 Aug 99	USAF and Microcopy Resolution Test Charts Tech Note	New Tech Note
6 Aug 99	Scanline Tech Note	Added information about using palettes and scanlines with pf8bit bitmaps in true color and 256-color rmodes. Add "Optimization" section. Introduced minor variation in TRGBTripleArray definition.
6 Aug 99	HSV Lab Report	Added Alexei Puzikov's HSV/RGB Color Chooser Project based on original Lab Report.
8 Jul 99	-	A fractured clavicle will slow me down for a few weeks. Why was I chasing a rabbit in my back yard before I fell?
5 Jul 99	HSV Lab Report	New Lab Report
23 Jun 99	Buffon's Needles Lab Report	Added new methods (2-4) to compute random direction angles. Explained why existing method (1) was not correct.
22 Jun 99	Very Large Bitmap Lab Report	New Lab Report
30 May 99	Reference Library	Changed "look" of page. Added several graphics.
5 May 99	~25 pages	Changed all stale www.inprise.com links to www.borland.com
2 May 99	Chromaticity Diagrams Lab Report	New Lab Report: CIE 1931, 1960 and 1976 Chromaticity Diagrams
25 Apr 99	Circle Word Wrap	New Lab Report
25 Apr 99	Delphi File I/O Page	New Subpage: Delphi IOResults and Critical Errors
19 Apr 99	Delphi Files, Directories, Disks, I/O Library	Broken into separate pages: Files, Directories, Disks/Drives, File I/O, Stream I/O, Port I/O
18 Apr 99	Delphi Files, Directories, Disks, I/O Library	D3DiskSpaceKludge Example
16 Apr 99	Delphi Printing Info and Links Page	PrinterDefault.ZIP Win 95/98 Example
28 Mar 99	Buffon's Needles Lab Report	New Lab Report
21 Mar 99	Pixel Profile Lab Report	New Lab Report
20 Mar 99	FlipReverseRotate Lab Report	Thomas Kowalski suggested a slightly different approach with routines that operate much more quickly. See SpiegellnHorizontal (Horizontal Mirror), SpiefelLnVertikal (Vertical Mirror), Drehen90Grad (90-degree rotation), Drehen180Grad (180-degree rotation) and Drehen270Grad (270-degree rotation) routines in his Unit7.
19 Mar 99	Summary of Changes Pages added.	Creation of this page.
19 Mar 99	Delphi Files, Directories, Disks, I/O Library	Link added: TMapStream memory mapped files example by Deborah Pate.
19 Mar 99	Rotate Scanline Lab Report	Added math and more detailed, simplified description with diagram. Filled arrow example in diagram.
14 Mar 99	Delphi Files, Directories, Disks, I/O Library	New Library Subsection.
14 Mar 99	Delphi Graphics: Components & Programs Library Delphi Graphics: Multimedia Library	Restructured so most links fit into categories.
14 Mar 99	Delphi Other Projects Page Delphi Miscellany Library Page	Restructured information on Other Projects page. Created new Delphi Miscellany page.
13 Mar 99	Delphi Algorithms Library	New Page to be "Under Construction" for a few months
7 Mar 99	Maxwell Triangle Lab Report	New Lab Report
20 Feb 99	Transparent Button Lab Report	New Lab Report
13 Feb 99	Color Mix Lab Report	Minor correction and addition
28 Feb 99	MazeMaker Lab Report	New Lab Report
22 Feb 99	Magnifying Glass Lab Report	Fixed memory leak report by Anders Melander. Added alternative solution by Anders Melander.
15 Feb 99	"Slide Show" Tech Note	New Tech Note from article published in Delphi Developer.
13 Feb 99	Color Mix Lab Report	New Lab Report
7 Feb 99	Delphi Interface to Intel MKL 2.1 Tech Note	New Tech Note. Math Kernel Library Version 3.1 [Page removed 5 July 2003]
29 Jan 99	Color Library	Restructured information into categories
16 Jan 99	Fractals & Chaos Projects Page	Restructured information
16 Jan 99	Evolution of the Mandelbrot Set Lab Report	Added literature references and scanned images. (Delphi code still not available)
16 Jan 99	"Glynn Function" Gallery	Added scanned images
2 Jan 99	Magnifying Glass Lab Report	New Lab Report
27 Dec 98	Simulation & Modeling Library World, United States, and Kids' Pages Library	New Library Sections
24 Dec 98	efg's Technical Book Store	Created Tech Book Store with goal of paying costs of yearly site fees
21 Dec 98	Spectra Lab Report	Added additional formula more appropriate for contemporary CRTs.
12 Dec 98	Printer Demo #1 and #2 Lab Reports	Updated printed URL to new domain
8 Dec 98	Polygon Area and Centroid Lab Report	New Lab Report
6 Dec 98	Snappy Line Lab Report	New Lab Report contributed by Gordon Whittam
29 Nov 98	CRC Calculator Lab Report	Added "Useful Literature" information.
22 Nov 98	Exploring Numbers, Non-a-Number and Infinity Tech Note	New Tech Note from article published in Delphi Developer.
13 Nov 98	Color Chart Lab Report	Updated Lab Report to include "Netscape" color chart
13 Nov 98	ShowImage Lab Report	Updated Lab Report to support other file formats (JPG, ICO, EMF, WMF, GIF)
11 Nov 98	Gauss-Legendre Quadrature Lab Report	New Lab Report (although file was already available for download)
8 Nov 98	Color Range Lab Report	New Lab Report
Nov 98	"Moved" to domain efg2.com with both sites operating concurrently. Added separate counters for most pages.
16 Sep 98	Acquired domain efg2.com
26 Feb 98	NedStat (Belgium) counter introduced (in Dutch).
15 Feb 98	Created efg's Computer Lab on server in Stockholm, Sweden at www.infomaster.net/external/efg with kind assistance from Stefan Akerwall. Apparently there was no announcement. I just added a reference to the Lab in my signature in newgroup postings, like this one.