string-dim ( font string -- dim )
Factor handbook » UI framework » Implementing new gadgets » Customizing gadget appearance » Implementing custom drawing logic » Rendering text

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Vocabulary
ui.text.private

Inputs

font	a font
string	a string

Outputs

dim	a pair of integers

Generic word contract
Outputs the dimensions of a string.

Notes
This is a low-level word; use text-dim instead.

Definition

IN: ui.text.private

HOOK: string-dim font-renderer ( font string -- dim )

Methods

USING: accessors core-text math.vectors sequences
ui.text.core-text ui.text.core-text.private ui.text.private ;

M: core-text-renderer string-dim
    [ " " string-dim { 0 1 } v* ]
    [ cached-line dim>> scale-dim ] if-empty ;