SVG Text Layout: Words as Art by Amelia Bellamy-Royds & Kurt Cagle

Author:Amelia Bellamy-Royds & Kurt Cagle [Bellamy-Royds, Amelia]
Language: eng
Format: azw3
Publisher: O'Reilly Media
Published: 2015-10-22T04:00:00+00:00

For mixed direction text, character-by-character positioning attributes are assigned based on the logical reading order, not the displayed order. Absolutely positioned characters still form new text chunks.

Tip

The Unicode bidirectionality rules do not reorder characters between different absolutely positioned text chunks.

Rarely, you want to force characters to be arranged in a specific order regardless of the script’s normal direction. This is achieved using the CSS unicode-bidi property, set to a value of bidi-override. This tells the browser to ignore the bidirectional text algorithm defined by Unicode, and lay out the characters in the exact order and direction specified.

In HTML, text direction is controlled by the dir attribute and the <bdo> (bidirectional override) element. To maintain correct language layout in the absence of CSS styling, authors are advised to use these features instead of the CSS direction and unicode-bidi properties.

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