Update API documentation

This commit is contained in:
Pierre-Yves Rollo 2018-12-11 14:58:11 +01:00
parent 8b896ab23f
commit e2b597d09f

14
API.md
View File

@ -1,5 +1,5 @@
# Font Lib API
This document describes Font Lib API. Font Lib creates textures for font display on entities.
# Font API
This document describes Font API. Font API creates textures for font display on entities.
## Settings
### default_font
@ -97,7 +97,7 @@ Standard on_display_update entity callback.
Node should have a corresponding display_entity with size, resolution and maxlines fields and optionally halign, valign and color fields.
### Font definition table
## Font definition table
Font definition table used by **font_api.register_font** and **font\_api.Font:new** may/can contain following elements:
* `height` (required): Font height in pixels (all font textures should have the same height) .
@ -108,6 +108,14 @@ Font definition table used by **font_api.register_font** and **font\_api.Font:ne
`margintop`, `marginbottom` and `linespacing` can be negative numbers (default 0) and are to be used to adjust various font styles to each other.
Font attributes around a single char:\
![Font attributes on a char](doc/font.svg)
Font attributes effects on several lines:\
![Font attributes on lines](doc/lines.svg)
#### Additional requirements
Font must have a char 0 which will be used to display any unknown char.
All textures corresponding to the indexes in widths array should be present in textures directory with a name matching the pattern :