extends Node

const THEME_ROOT := "res://ui/theme/"

const THEME_FONTS_ROOT := "res://ui/theme/fonts/"

var _font_size_defaults := {}

func _ready() -> void:

_cache_font_size_defaults()

var current_profile := UserProfiles.get_profile()

scale_all_font_sizes(current_profile.font_size_scale, false)

func _cache_font_size_defaults() -> void:

_font_size_defaults.clear()

var fs = Directory.new()

var error = fs.change_dir(THEME_FONTS_ROOT)

if error != OK:

printerr("Failed to open theme fonts directory at '%s': Error code %d" % [THEME_FONTS_ROOT, error])

return

error = fs.list_dir_begin(true, true)

if error != OK:

printerr("Failed to read theme fonts directory at '%s': Error code %d" % [THEME_FONTS_ROOT, error])

return

var current_file := fs.get_next() as String

while not current_file.empty():

if current_file.get_extension() != "tres":

current_file = fs.get_next()

continue

var font_resource = ResourceLoader.load(THEME_FONTS_ROOT.plus_file(current_file)) as DynamicFont

if not font_resource:

current_file = fs.get_next()

continue

_font_size_defaults[font_resource] = font_resource.size

current_file = fs.get_next()

func scale_all_font_sizes(size_scale: int, and_save: bool = true) -> void:

for font_resource in _font_size_defaults:

font_resource = font_resource as DynamicFont

if not font_resource:

continue

var default_size = int(_font_size_defaults[font_resource])

# Each scale unit equals 2 points of font size.

font_resource.size = default_size + size_scale * 2

if and_save:

var current_profile := UserProfiles.get_profile()

current_profile.font_size_scale = size_scale

current_profile.save()

Events.emit_signal("font_size_scale_changed", size_scale)