infrastructure for caching LÖVE text objects

Dependencies

• [2] H6QZ7GRR more precise name
• [3] VHQCNMAR several more modules
• [4] P4376EXK add state arg to few functions
• [5] LF7BWEG4 group all editor globals
• [*] OTIBCAUJ love2d scaffold
• [*] UHB4GARJ left/right margin -> left/right coordinates
• [*] 3QQZ7W4E bring couple more globals back to the app level
• [*] JRLBUB6L more intuitive point delete from polygons
• [*] 2L5MEZV3 experiment: new edit namespace

Change contents

• edit in main.lua at line 18
  [8.17313]

  [9.36]
  +

  + -- a few text objects we can avoid recomputing unless the font changes

  + Text_cache = {}
• edit in main.lua at line 210
  [10.331]
  +

  + -- use this sparingly

  + function to_text(s)

  + if Text_cache[s] == nil then

  + Text_cache[s] = App.newText(love.graphics.getFont(), s)

  + end

  + return Text_cache[s]

  + end
• edit in help.lua at line 149
  [3.11325]→[3.11325:11346](∅→∅)
  − _bullet_indent = nil
• replacement in help.lua at line 150
  [3.11371]→[3.11371:11540](∅→∅)
  − if _bullet_indent == nil then

  − local text = love.graphics.newText(love.graphics.getFont(), '* ')

  − _bullet_indent = text:getWidth()

  − end

  − return _bullet_indent
  [3.11371]

  [3.11540]
  + return App.width(to_text('* '))
• edit in edit.lua at line 470
  [2.442]

  [2.442]
  + Text_cache = {}