pangoLayoutGetUnknownGlyphsCount {RGtk2} | R Documentation

## pangoLayoutGetUnknownGlyphsCount

### Description

Counts the number unknown glyphs in `layout`. That is, zero if glyphs for all characters in the layout text were found, or more than zero otherwise.

### Usage

    pangoLayoutGetUnknownGlyphsCount(object)

### Arguments

``object`` | [`PangoLayout`] a `PangoLayout`

### Details

This function can be used to determine if there are any fonts available to render all characters in a certain string, or when used in combination with `PANGO_ATTR_FALLBACK`, to check if a certain font supports all the characters in the string. Since 1.16

### Value

[integer] The number of unknown glyphs in `layout`.

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]