registerFontWithFallback abstract method

Registers a font set under a font name.

After registration, the font name can be used in

• the SVG text tag as font-family attribute parameter when creating a MapImage with ImageFormat.SVG.
• MapMarkerTextStyle

Repeated registration with the same font name is ignored.

• fontName A font name.

• fontPath A font file path. TTF, OTF and WOFF formats are supported.

Can be an asset file path or an absolute file path.

• fallbackFontFilePaths Additional font files are intended to be used if main font does not contain required character symbol and shall be sorted starting from most useful.