95 lines
3.1 KiB
Lua
95 lines
3.1 KiB
Lua
-- ------------------------------------------------------------------------------ --
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-- TradeSkillMaster --
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-- https://tradeskillmaster.com --
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-- All Rights Reserved - Detailed license information included with addon. --
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-- ------------------------------------------------------------------------------ --
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--- FontObject Functions.
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-- @module FontObject
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local _, TSM = ...
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local FontObject = TSM.Init("Util.FontObject")
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local private = {
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context = {},
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}
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-- ============================================================================
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-- Metatable
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-- ============================================================================
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local FONT_OBJECT_MT = {
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__index = {
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SetPath = function(self, path)
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assert(type(path) == "string")
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local context = private.context[self]
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context.path = path
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return self
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end,
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SetSize = function(self, size)
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assert(type(size) == "number")
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local context = private.context[self]
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context.size = size
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return self
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end,
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SetLineHeight = function(self, lineHeight)
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assert(type(lineHeight) == "number")
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local context = private.context[self]
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context.lineHeight = lineHeight
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return self
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end,
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GetWowFont = function(self)
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local context = private.context[self]
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-- wow renders the font slightly bigger than the designs would indicate, so subtract one from the font height
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if context.path == "Fonts\\ARKai_C.ttf" then
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-- this font is a bit smaller than it should be, so increase it by 1
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return context.path, context.size + 1
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else
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-- wow renders other fonts slightly bigger than the designs would indicate, so decrease the height by 1
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return context.path, context.size - 1
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end
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end,
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GetSpacing = function(self)
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local context = private.context[self]
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assert(context.lineHeight >= context.size)
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return context.lineHeight - context.size
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end,
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},
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__newindex = function(self, key, value) error("FontObject cannot be modified") end,
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__metatable = false,
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__tostring = function(self)
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local context = private.context[self]
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local shortPath = strmatch(context.path, "([^/\\]+)%.[A-Za-z]+$")
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return "FontObject:"..tostring(shortPath)..":"..tostring(context.size)..":"..tostring(context.lineHeight)
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end,
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}
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-- ============================================================================
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-- Module Functions
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-- ============================================================================
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--- Create an font object from a path and height.
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-- @tparam string path The path to the font file
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-- @tparam number size The size of the font in pixels
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-- @tparam number lineHeight The height of each line of text in pixels
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-- @treturn FontObject The font object
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function FontObject.New(path, size, lineHeight)
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local obj = setmetatable({}, FONT_OBJECT_MT)
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private.context[obj] = {
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path = nil,
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size = nil,
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lineHeight = nil,
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}
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obj:SetPath(path)
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obj:SetSize(size)
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obj:SetLineHeight(lineHeight)
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return obj
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end
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function FontObject.IsInstance(obj)
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return type(obj) == "table" and private.context[obj] and true or false
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end
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