Secure Global Desktop 4.40 Administration Guide > Applications, Documents, and Application Servers > Terminal Emulator Color Maps

Terminal Emulator Color Maps

SCO Console (ANSI) and VT420 terminals support 16 colors. The SGD terminal emulator uses a color map to determine how these colors are presented in an application session.

Note Wyse 60 terminals are monochrome. You can only switch the background and foreground colors (black and white) using the color map. However, you can map character attributes such as bold or underline to any of the 16 logical colors supported by the terminal emulator.

The color map maps the logical colors Color_0 through to Color_15 (inclusive) to colors and the RGB values that SGD uses to represent those colors. The default mappings are as follows:

Logical Color	Terminal Color	RGB Value Used by SGD
Color_0	Black	0 0 0
Color_1	Light red	255 0 0
Color_2	Light green	0 255 0
Color_3	Yellow	255 255 0
Color_4	Light blue	0 0 255
Color_5	Light magenta	255 0 255
Color_6	Light cyan	0 255 255
Color_7	High white	255 255 255
Color_8	Gray	128 128 128
Color_9	Red	128 0 0
Color_10	Green	0 128 0
Color_11	Brown	128 128 0
Color_12	Blue	0 0 128
Color_13	Magenta	128 0 128
Color_14	Cyan	0 128 128
Color_15	White	192 192 192

To alter the defaults for a particular application, create your own color map, and specify it in the application object's Color Map attribute.

A default text-format color map /opt/tarantella/etc/data/colormap.txt is provided.

Examples

To make the color red brighter, change the RGB setting of Color_9 to 192 0 0.

To change items that appear in light green to appear yellow, change the RGB setting of Color_2 to 255 255 0 (the RGB value of yellow).

One common color change is to switch the foreground and background colors between black and white. When you do this, you are not changing the foreground or background color as such, you are changing the way black (Color_0) and white (Color_15) are displayed. Therefore, if your application has a white background and you want to change it to a black background, change the value of Color_15 to 0 0 0 (the RGB value of black).

Related Topics
Terminal Emulator Attribute Maps Terminal Emulator Keyboard Maps