Code to generate SVG layout for a KBT Pure Pro Keyboard

keyboard_svg_layout.lua

--noescape--
 
local tag = doku.xml_tag
 
local unit = 19*2  -- Unit size, mapped straight to pixels
local space = 4    -- Spacing between keys (as pixels again)
 
local halfspace = space/2
local doublespace = space*2
 
local fontsize = 10
 
local layout = {
  {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
  {1.5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1.5},
  {1.75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2.25},
  {2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
  {1.25, 1, 1, 1.25, 4.5, 1, 1, 1, 1, 1, 1}
}
 
local keys = {
  {'esc', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\\', 'BS'},
  {'tab', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', 'del'},
  {'caps', 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k',' l', ';', '\'', 'enter'},
  {'shift', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 'shift', 'up', 'rctrl'},
  {'lctrl', 'fn', 'sys', 'lalt', 'space', 'ralt', 'fn', 'pn', 'left', 'down', 'right'},
}
 
local scene = {}
 
local background = tag('rect', {width="100%", height="100%", fill="#ddd", stroke="black"})
table.insert(scene, background)
 
for row=1, #layout do
  x = unit
  for col=1, #layout[row] do
 
    local rect = tag('rect', {x=x+halfspace, 
                             y=(row*unit)+halfspace, 
                             rx=halfspace, 
                             ry=halfspace, 
                             width=(layout[row][col]*unit)-space, 
                             height=unit-space, 
                             fill="#fff", 
                             stroke="black"})
 
    table.insert(scene, rect)
 
 
    local sizetext = tag('text', {x=x+doublespace, 
                                  y=((row)*unit)+space+fontsize, 
                                  fill="#d11",
                                  style='font-size: ' .. fontsize .. 'px'}, 
                                  tostring(layout[row][col]))
 
    table.insert(scene, sizetext)
 
 
    if keys[row] and keys[row][col] then
      local keytext = tag('text', {x=x+doublespace, 
                                  y=((row)*unit)+(2*fontsize)+(3*space), 
                                  fill="#111",
                                  style='font-size: ' .. fontsize .. 'px'}, 
                                  keys[row][col])
 
      table.insert(scene, keytext) 
    end
    
    x = x + (layout[row][col]*unit)
  end 
end
 
-- Keyboard is 15 units by 5 units (+1 each side for padding)
print(tag('svg', {width=(unit*17), height=(unit*7)}, scene))