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102 lines
2.6 KiB
102 lines
2.6 KiB
3 years ago
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local _, addon = ...
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local UniversalFontUtil = {};
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addon.UniversalFontUtil = UniversalFontUtil;
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local function GetTextLanguage(str, firstLetterOnly)
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--sometimes examining the first character is enough?
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local len;
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if firstLetterOnly then
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len = 1;
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else
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len = string.len(str)
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end
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local i = 1;
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local c, shift;
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while i <= len do
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c = string.byte(str, i);
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shift = 1;
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if (c > 0 and c <= 127)then
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shift = 1;
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elseif c == 195 then
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shift = 2; --Latin/Greek
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elseif (c >= 208 and c <=211) then
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shift = 2;
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return "ru" --RU
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elseif (c >= 224 and c <= 227) then
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shift = 3; --JP
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return "cn"
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elseif (c >= 228 and c <= 233) then
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shift = 3; --CN
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return "cn"
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elseif (c >= 234 and c <= 237) then
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shift = 3; --KR
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return "cn"
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elseif (c >= 240 and c <= 244) then
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shift = 4; --Unknown invalid
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end
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i = i + shift
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end
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return "rm"
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end
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local FallbackFonts = {
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rm = "Interface\\AddOns\\Narcissus\\Font\\SourceSansPro-Semibold.ttf",
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cn = "Interface\\AddOns\\Narcissus\\Font\\NotoSansCJKsc-Medium.otf",
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ru = "Interface\\AddOns\\Narcissus\\Font\\NotoSans-Medium.ttf",
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};
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local UniversalFontMixin = {};
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function UniversalFontMixin:SetText(fontString, text)
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if text then
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local lang = GetTextLanguage(text, self.firstLetterOnly);
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if lang ~= fontString.lang then
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fontString.lang = lang;
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local font = (self.fonts and self.fonts[lang]) or (FallbackFonts[lang]);
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if font then
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if not (self.height and self.flags) then
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local _, height, flag = fontString:GetFont();
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self:SetFontHeight(height);
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self:SetFontStyle(flag);
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end
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fontString:SetFont(font, self.height, self.flag);
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end
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end
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end
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fontString:SetText(text);
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end
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function UniversalFontMixin:SetFontHeight(height)
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self.height = height;
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end
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function UniversalFontMixin:SetFontStyle(flag)
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--flags: OUTLINE, THICKOUTLINE, MONOCHROME
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self.flag = flag;
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end
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function UniversalFontMixin:SetFonts(fonts)
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--fonts = { [locale] = path, }
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self.fonts = fonts;
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end
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function UniversalFontMixin:CheckFirstLetterOnly(state)
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self.firstLetterOnly = state;
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end
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function UniversalFontUtil.Create()
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local tbl = {};
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for i = 1, select("#", UniversalFontMixin) do
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local mixin = select(i, UniversalFontMixin);
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for k, v in pairs(mixin) do
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tbl[k] = v;
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end
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end
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return tbl
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end
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