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Text shaping is the process of converting text to glyph indices and positions as part of text rendering. [1] It is complementary to font rendering as part of the text rendering process; font rendering is used to generate the glyphs, and text shaping decides which glyphs to render and where they should be put on the image plane. [2] Unicode is generally used to specify the text to be rendered.
Most graphical user interface systems, including those in MacOS, iOS, [3] and Microsoft Windows have their own native text rendering engines that include text shaping. Microsoft's Uniscribe framework permits the use of pluggable shaping engines. [4] Monotype's WorldType system also provides shaping functions. [5]
In the open source world, HarfBuzz is a popular text shaping engine. According to HarfBuzz's developers, HarfBuzz is used by a range of software products including Android, Chrome, ChromeOS, Firefox, GNOME, GTK+, KDE, Qt, LibreOffice, OpenJDK, XeTeX, PlayStation, Microsoft Edge, Adobe Photoshop, Illustrator, InDesign, and Godot Engine. [6]
Text shaping engines require descriptions of shaping properties and rules packaged in a format known as a shaping model. Shaping models include OpenType Layout, Graphite, and Apple Advanced Typography. [7]
![]() | This is a
draft article. It is a work in progress
open to editing by
anyone. Please ensure
core content policies are met before publishing it as a
live Wikipedia article. Find sources:
Google (
books ·
news ·
scholar ·
free images ·
WP refs) ·
FENS ·
JSTOR ·
TWL
Last edited by
The Anome (
talk |
contribs) 4 seconds ago. (
Update)
Finished drafting? or |
Text shaping is the process of converting text to glyph indices and positions as part of text rendering. [1] It is complementary to font rendering as part of the text rendering process; font rendering is used to generate the glyphs, and text shaping decides which glyphs to render and where they should be put on the image plane. [2] Unicode is generally used to specify the text to be rendered.
Most graphical user interface systems, including those in MacOS, iOS, [3] and Microsoft Windows have their own native text rendering engines that include text shaping. Microsoft's Uniscribe framework permits the use of pluggable shaping engines. [4] Monotype's WorldType system also provides shaping functions. [5]
In the open source world, HarfBuzz is a popular text shaping engine. According to HarfBuzz's developers, HarfBuzz is used by a range of software products including Android, Chrome, ChromeOS, Firefox, GNOME, GTK+, KDE, Qt, LibreOffice, OpenJDK, XeTeX, PlayStation, Microsoft Edge, Adobe Photoshop, Illustrator, InDesign, and Godot Engine. [6]
Text shaping engines require descriptions of shaping properties and rules packaged in a format known as a shaping model. Shaping models include OpenType Layout, Graphite, and Apple Advanced Typography. [7]