L_DrawAddUserFontFromMemory

#include "l_bitmap.h"

L_LTKRN_API L_INT L_DrawAddUserFontFromMemory(data, dataLength)

Adds a user font stored in memory to the LEADTOOLS toolkit.

Parameters

const L_UCHAR *data

Buffer that contains the data for a valid font file.

L_UINT dataLength

Number of bytes in data to use.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

Use this function to add one or more user fonts to LEADTOOLS. The font data can contain a single or many face types and this function can be called multiple times to add several fonts. LEADTOOLS supports both TrueType (.ttf) and OpenType (.otf) font formats.

This function allows a process using LEADTOOLS 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 L_DrawAddUserFontFromMemory to add a font stored in memory.

Use L_DrawClearUserFonts to delete all user fonts added to LEADTOOLS.

Required DLLs and Libraries

Platforms

Win32, x64, Linux.

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