export-p8-font-metrics.lua

   1 local pluginKey = "bts/p8-font-metrics"
   2
   3 local sprite = app.sprite
   4
   5 local name = app.fs.fileTitle(sprite.filename)
   6
   7 local previousExportFilename = sprite.properties(pluginKey).previousExportFilename
   8
   9 if previousExportFilename == nil then
  10         local defaultPath = app.fs.filePath(sprite.filename)
  11         local defaultFilename = name..".lua"
  12         previousExportFilename = app.fs.joinPath(defaultPath, defaultFilename)
  13 end
  14
  15 local dlg = Dialog()
  16 dlg:file{ id="metrics_filename", label="Metrics output:", filename=previousExportFilename, filetypes=".lua", save=true }
  17 dlg:button{ id="confirm", text="Confirm" }
  18 dlg:button{ id="cancel", text="Cancel" }
  19 dlg:show()
  20
  21 local data = dlg.data
  22 if data.confirm then
  23         name = app.fs.fileTitle(data.metrics_filename)
  24
  25         local basePath = app.fs.filePath(data.metrics_filename)
  26         local imagePath = app.fs.joinPath(basePath, name)
  27
  28         local characterDetails = {}
  29
  30         for cy=0,15 do
  31                 for cx=0,15 do
  32                         local x,y=cx*8,cy*8
  33                         local width = 8
  34                         for i, slice in ipairs(sprite.slices) do
  35                                 if slice.bounds.x == x and slice.bounds.y == y then
  36                                         width = slice.bounds.width+1
  37                                         break
  38                                 end
  39                         end
  40                         table.insert(characterDetails, width)
  41                 end
  42         end
  43
  44         if true then
  45                 --local metricsFilename = app.fs.joinPath(metricsPath, data.metrics_filename)
  46                 local metricsFile = io.open(data.metrics_filename, "w")
  47
  48                 metricsFile:write(name.."Widths = split[[")
  49                 for k,v in ipairs(characterDetails) do
  50                         metricsFile:write(v .. ",")
  51                 end
  52                 metricsFile:write("]]\n")
  53                 metricsFile:write("\n")
  54
  55                 io.close(metricsFile)
  56         end
  57
  58         sprite.properties(pluginKey).previousExportFilename = data.metrics_filename
  59 end