3.3.2. Modify an Existing Color Index

You can modify any aspect of a selected index.

Edit a color index directly in the RGB Editor.

Use a Modify Edit dialog box.

Apply different file encodings.

Modify indexes guidelines.

Edit a color index directly in the RGB Editor

  1. Select an index in the RGB Editor list.

  2. Do any of the following.

A

Change the Index number.

B

Change or remove the description.

C

Click the Down arrow to the right of the Color field; select a new color in the palette.

Note: You can open the Advanced palette to create a new color.

Result: The changes will be written to the RGB.dat file when you save them.

Use a Modify Edit dialog box

You can change any of the three entries for an index color, as follows.

  1. Select an index color in the RGB Editor list.

  2. Do one of the following.

A

Click the Modify button on the RGB Editor toolbar.

B

Click Edit>Modify on the RGB Editor menu bar.

A Modify Index dialog box opens.

An advantage of opening the Modify Index dialog box is that you can see the exact RGB numbers in the Color field.

  1. Change entries in any of the fields.

  2. Click OK.

Result: The changes display in the RGB Editor. When you save the file, the changes will be applied to the RGB.dat file.

Apply different file encodings

The RGB Editor supports right to left reading and the following Unicode control characters.

  1. Right-click any field in the Index or Description column.

  2. Check any of the following options.

Options on the Popup menu are.

Field

Description

Right to left Reading order

The cursor moves to the right of a selected field, to enable entering information for languages that read from right to left.

Display one of the following.

 

Show Unicode control characters

Displays Unicode control characters if they are currently hidden/

 

Hide Unicode control characters

Hides Unicode control characters if they are currently displaying.

Insert Unicode control character

Click to open an extended menu.

 

 

The extended menu has the following options.

 

LRM

Left-to-right mark

 

RLM

Right-to-left mark.

 

ZWJ

Zero width joiner

 

ZWNJ

Zero width non-joiner

 

LRE

Start of left-to-right embedding

 

RLE

Start of right-to-left embedding

 

LRO

Start of left-to-right override

 

RLO

Start of right-to-left override

 

PDF

Pop directional formatting

 

NADS

National digit shapes substitution

 

NODS

Nominal (European) digit shapes

 

ASS

Activate symmetric swapping

 

ISS

Inhibit symmetric swapping

 

AAFS

Activate Arabic form shaping

 

IAFS

Inhibit Arabic form shaping

 

RS

Record Separator (Block separator)

 

US

Unit Separator (Segment Separator)

 

 

 

 

 

 

Modify Indexes Guidelines

If you change the index number directly or in the Modify Index dialog box, the Index remains in the same location in the list. It may now be out of order. You can resort the list to put the new number in the correct order.

When you select the Index Colors tab after you save your changes, if:

No description has been entered for a color in the RGB Editor, the RGB value and percent opacity display next to the color;

A description has been entered, that description displays next to the color.

More information

3.3. Index custom colors and entries.