Adds a user font stored in memory to the LEADTOOLS tookit.
Buffer that contains the data for a valid font file.
Offset into data, from which to start reading the data.
Number of bytes in data to use.
Use this method to add one or more user fonts to the LEADTOOLS tookit. The font data can contain a single or many face types and this method can be called multiple times to add several fonts. LEADTOOLS supports both TrueType (.ttf) and OpenType (.otf) font formats.
This method allows a process using the LEADTOOLS tookit to use fonts without installing them on the operating system. Refer to LEADTOOLS Draw Engine and Multi-Platform Considerations for more information.
Note that fonts are added to the current draw engine. Therefore, an application must:
Use ClearUserFonts to delete all user fonts added to the LEADTOOLS tookit.
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