Contents
What is FreeType used for?
FreeType is used as font renderer in Android. FreeType is used as ReactOS font renderer.
Is FreeType thread safe?
An FT_Face object can only be safely used from one thread at a time.
How FreeType works?
Each time you request a glyph image from a font, FreeType does it by parsing the relevant portion of the font file or font stream and interpreting it according to its font format. Any decent text-rendering sub-system must thus be capable of caching glyph data in order to reach appropriate rendering speed.
What is FreeType in Chrome?
In addition to Chrome and Chrome OS, FreeType is used in Linux and UNIX distributions, Android, iOS, ReactOS, and Ghostscript, which means the font engine is present on over a billion devices, according to its developers. The issue is related to Load_SBit_Png, a function that processes PNG images embedded into fonts.
How do I know if FreeType is installed?
This will not be better in practice than the function_exists solutions already posted, but the technically correct way to check is by using extension_loaded . Assuming the GD library is installed, you can detect Freetype support using the gd_info() function.
What is UPM font?
In an OpenType font, the UPM — or em size is usually set at 1000 units. In TrueType fonts, the UPM is by convention a power of two, generally set to 1024 or 2048. When the font is used to set type, the em is scaled to the desired point size.
What is libfreetype6 Dev?
The FreeType project is a team of volunteers who develop free, portable and high-quality software solutions for digital typography. This package contains all of the supplementary files you need to develop your own programs using the FreeType 2 library. This is a transitional package.
How do I install Freetype on a Mac?
Install the App
- Press Command+Space and type Terminal and press enter/return key.
- brew install freetype.
What is an em square?
— Also called the ’em size’ or ‘UPM’. In a font, each character is fitted into its own space container. In TrueType fonts, the UPM is by convention a power of two, generally set to 1024 or 2048. When the font is used to set type, the em is scaled to the desired point size.
What do you need to know about FreeType?
FreeType is a popular software development library used to render text onto bitmaps, and provides support for other font-related operations.
What does an error code of 0 mean in FreeType?
An error code of 0 (also known as FT_Err_Ok) always means that the operation was successful; otherwise, the value describes the error, and library is set to NULL. A list of all FreeType error codes can be found in file fterrdef.h. 3. Loading a Font Face a. From a Font File Create a new face object by calling FT_New_Face .
How are I / O routines implemented in FreeType 2?
With FreeType 2, it is possible to provide your own implementation of I/O routines. This is done through the FT_Open_Face function, which can be used to open a new font face with a custom input stream, select a specific driver for opening, or even pass extra parameters to the font driver when creating the object.
Which is the latest version of FreeType font?
All users should upgrade. FreeType version 2.9, the first release of a new ‘minor’ series, is now available for download. The main reason for starting a new series is Ewald Hew’s GSoC contribution of making Adobe’s CFF engine handle Type 1 fonts also, greatly improving the rendering quality of this ancient but still important font format.