About-Substitute-Fonts

About Substitute Fonts

About Substitute Fonts

The program accommodates a font that is not currently on your system by substituting
another font.

Specifying an Alternate Font

If your drawing specifies a font that is not currently on your system, the font designated
as your alternate font is automatically substituted. By default, the simplex.shx file is used. If you want to specify a different font, enter the alternate font file
name by changing the FONTALT system variable. If you use a text style that uses an
Asian Big Font, you can map it to another font using the FONTALT system variable.
This system variable uses a default font file pair: txt.shx and bigfont.shx.

In previous releases, you could display PostScript آ® fonts in the drawing. Because later releases cannot display PostScript fonts, Autodesk
has supplied TrueType font equivalents. These PostScript fonts are mapped to the equivalent
TrueType fonts in a font mapping file. Additionally, when a TrueType font is not available,
you can specify a different TrueType font, making sure that the fonts are similar
to avoid text length or wrapping problems.

If the default font does not support the characters you enter using the In-Place Text
Editor, an alternative font is substituted.

CIF or MIF codes entered with the In-Place Text Editor are now automatically converted
to display the actual characters.

Editing the Font Mapping File

A font mapping file is a list of text fonts and their substitutes. If a text font
used in a drawing cannot be located, another text font is substituted for the missing
font using a font mapping file.

Each line in the font mapping file contains the name of a font file (with no file
extension or path) followed by a semicolon (;) and the name of the substitute font
file. The substitute file name includes a file extension such as .ttf.

A font mapping file is an ordinary ASCII text file with a .fmp extension. You can change the font assignments in a font mapping file using any ASCII
text editor.

For example, you could use the following entry in a font map file to specify that
the timesnr.pfb font file be substituted with the times.ttf font file:

timesnr;times.ttf

The following table shows the font substitution rules used if a font file cannot be
located when a drawing is opened.

Font substitution

File extension

First mapping order

Second mapping order

Third mapping order

Fourth mapping order

.ttf

Use font mapping table

Use font defined in text style

Windows substitutes a similar font

 

.shx

Use font mapping table

Use font defined in text style

Use FONTALT

Prompt for new font

.pfb

Use font mapping table

Use FONTALT

Prompt for new font

 

Displaying Proxy Fonts

For third-party or custom SHX fonts that have no TrueType equivalent, one of several
different TrueType fonts called proxy fonts is substituted. In the In-Place Text Editor,
proxy fonts look different from the fonts they represent to indicate that the proxy
fonts are substitutions for the fonts used in the drawing.

If you want to format characters by assigning one of these fonts, first create a text
style that uses the font and then apply that text style to the characters.

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