Olivier Touzot

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Author Products

Total 3 products

HotLog v.2.2

Components > Files and Drives > Log Files

By Olivier Touzot.

Freeware + source 04 Jul 2006


HotLog.pas is a unit that defines THotLog, a multithreaded, object oriented, and buffered safe log file manager.

v 2.x adds the "most wanted feature": The log file size can now be limited. It will be closed and a new one opened once the limit is reached.

It manages the log file name (including optional generations), accesses to it, provides powerfull string formating features, and means to easilly retrieve informations about the environment your programm executes into.

It is also able to output detailed informations in case of exceptions occuring., includding the ability to deal with "variant open array parameter": All you have to do is give the exceptions logging methode some datas like they are (for example the list of the parameters received by the function), without wondering whether they are integers or strings, valid pointers, uninitialized or dangling ones, aso. The log object instance will mind his own business with all that stuff.


  • Status: Fully functional
  • Source: Included
  • Size: 168kB

Platforms: D5, D6, D7

TQProgressBar v.1.1

Components > Indicators and Gauges > Progress Bars

By Olivier Touzot.

Freeware + source 16 May 2004


TQProgressBar is a ProgressBar replacement, which can:
  • display a flat or cylindric bar (two kind of cylinder effect available);
  • the bar can be vertical or horizontal;
  • display or not "inactive positions" (the ones not yet reached);
  • it can be with or without shape and background;
  • with one or two colors (gradient);
  • all colors can be changed (shape, background, bar itself, inactive positions);
  • shows positions either in a continuous bar, or blocks by blocks; blocks are then displayed step by step, or full block by full block;
  • v1.1 now allows to use pure white and black colors in cylindric bars too.


  • Status: Fully functional
  • Source: Included
  • Exe demo: included
  • Size: 279kB

Platforms: D5, D6, D7

TQSpiderGraph v.1.1

Components > Charts and Graphs > Charts

By Olivier Touzot.

Freeware + source 04 Jul 2006


This component displays spider graphs with as many axes and lines as you want (keep it readible...).

It has numerous properties which apply more particularly to:

  • the axes ( number, colors, individual max and min)
  • its background (transparency, single color, oriented gradient)
  • the number of lines, their color, caption thickness, aso
  • It tracks mouse moves. Displays lines values near the pointer and/or raises events when the mouse enters or exits a line
  • It's image can be saved on the disk, or copied into a bitmap in memory.
Spider graphs (aka "radar graphs") are especially usefull to allow your user to easy visualy compare the values of different sets of datas. TQSpiderGraph provides means to easily achieve such a visual comparison:
  • Its usefull line highlighting functions allow you to highlight:
    • The line(s) with the widest or narrowest area;
    • The one(s) with the highest (or lowest) value(s) on such or such axe;
    • or simply the one of your choice, using its index.
Highlighting can be made using one or a combinaison of the following "higlight modes":
  • Change higlighted line(s) color,
  • Change higlighted line(s) thickness;
  • Show the points of this line only;
  • And why not, do temporarily "flash" this line.
TQSpiderGraph contains much more features. An example is it's ability to optionally auto define the limits of each axe, depending on the values you send to it.


  • Status: Fully functional
  • Source: Included
  • Exe demo: included
  • Size: 426kB

Platforms: D6, D7

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