continued refactor

modules/LayoutEngine.lua

@@ -534,13 +534,89 @@ function LayoutEngine:layoutChildren()
   end
 end
 
+--- Calculate text width
+---@return number The calculated text width
+function LayoutEngine:calculateTextWidth()
+  local element = self.element
+  
+  if element.text == nil then
+    return 0
+  end
+
+  if element.textSize then
+    -- Get font from Renderer (Phase 1 integration)
+    local font = element._renderer:getFont(element)
+    local width = font:getWidth(element.text)
+    -- Apply contentAutoSizingMultiplier if set
+    if element.contentAutoSizingMultiplier and element.contentAutoSizingMultiplier.width then
+      width = width * element.contentAutoSizingMultiplier.width
+    end
+    return width
+  end
+
+  local font = love.graphics.getFont()
+  local width = font:getWidth(element.text)
+  -- Apply contentAutoSizingMultiplier if set
+  if element.contentAutoSizingMultiplier and element.contentAutoSizingMultiplier.width then
+    width = width * element.contentAutoSizingMultiplier.width
+  end
+  return width
+end
+
+--- Calculate text height
+---@return number The calculated text height
+function LayoutEngine:calculateTextHeight()
+  local element = self.element
+  
+  if element.text == nil then
+    return 0
+  end
+
+  -- Get the font
+  local font
+  if element.textSize then
+    -- Get font from Renderer (Phase 1 integration)
+    font = element._renderer:getFont(element)
+  else
+    font = love.graphics.getFont()
+  end
+
+  local height = font:getHeight()
+
+  -- If text wrapping is enabled, calculate height based on wrapped lines
+  if element.textWrap and (element.textWrap == "word" or element.textWrap == "char" or element.textWrap == true) then
+    -- Calculate available width for wrapping
+    local availableWidth = element.width
+
+    -- If width is not set or is 0, try to use parent's content width
+    if (not availableWidth or availableWidth <= 0) and element.parent then
+      -- Use parent's content width (excluding padding)
+      availableWidth = element.parent.width
+    end
+
+    if availableWidth and availableWidth > 0 then
+      -- Get the wrapped text lines using getWrap (returns width and table of lines)
+      local wrappedWidth, wrappedLines = font:getWrap(element.text, availableWidth)
+      -- Height is line height * number of lines
+      height = height * #wrappedLines
+    end
+  end
+
+  -- Apply contentAutoSizingMultiplier if set
+  if element.contentAutoSizingMultiplier and element.contentAutoSizingMultiplier.height then
+    height = height * element.contentAutoSizingMultiplier.height
+  end
+
+  return height
+end
+
 --- Calculate auto width based on children
 ---@return number The calculated width
 function LayoutEngine:calculateAutoWidth()
   local element = self.element
   
   -- BORDER-BOX MODEL: Calculate content width, caller will add padding to get border-box
-  local contentWidth = element:calculateTextWidth()
+  local contentWidth = self:calculateTextWidth()
   if not element.children or #element.children == 0 then
     return contentWidth
   end
@@ -580,7 +656,7 @@ end
 function LayoutEngine:calculateAutoHeight()
   local element = self.element
   
-  local height = element:calculateTextHeight()
+  local height = self:calculateTextHeight()
   if not element.children or #element.children == 0 then
     return height
   end