Albrecht Schlosser 9820d9f555 Fix and improve fl_contrast() calculations
- src/fl_contrast.cxx:
  - FL_CONTRAST_LEGACY: reset black/white threshold from 55 to 50
  - FL_CONTRAST_CIELAB: change default contrast level from 55 to 39

- test/contrast.cxx:
  - set default contrast mode to CIELAB
  - add "random color" button to test random foreground colors (text)
  - slightly increase terminal size
  - make the Fl_Terminal widget the resizable() of the window
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test/README.txt - 20 Oct 1998
-----------------------------

This directory contains tests and demos of FL.  In most cases you can
learn a lot about how to program FL by looking at the source code.

Type "make" to compile them all.

The program "demo" is a graphical interface to run all the demos. (you
may recognize this as a rewrite of an XForms program).

Some of the more interesting programs:

fractals:       A GLUT program with FL controls added to it

glpuzzle:       A GLUT program with no modifications

fullscreen:     Demo of how to make your window toggle to fill screen

list_visuals:   necessary to debug X visual stuff

mandelbrot:     A true application, using panels built in Fluid

menubar:        Demo of how FL's menus work

shiny:          Demo of drawing FL's controls using OpenGL

forms:          An XForms program to demonstrate emulation

colbrowser:     Another XForms program that is actually useful


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Note: this file is outdated and incomplete. (*FIXME*)
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