Generates a bitmap version of love's default font with an outline.

notimagefontfont.lua

local infont
local outfont
local glyphstring = " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789`~!@#$%^&*()-=_+[]{}\\|;:'\",./<>?"
local teststring = [[
Who packed five dozen old quart jugs in my box?
Prating jokers quizzically vexed me with fibs.
Brawny gods just flocked up to quiz and vex him.
Watch "Jeopardy!", Alex Trebek's fun TV quiz game.
]]
local border = 2

local TEST_CANVAS
local TEXT_Y

function love.load()
	love.graphics.setBackgroundColor(100, 100, 100)
	love.window.setTitle("Prerenderedish Font Test")

	infont = love.graphics.newFont(20)
	TEXT_Y = infont:getHeight()

	local fheight = infont:getHeight() + border

	local canvas = love.graphics.newCanvas(infont:getWidth(glyphstring) + #glyphstring * (border), fheight, "normal")
	love.graphics.setCanvas(canvas)

	love.graphics.setColor(255, 255, 0)
	love.graphics.rectangle("fill", 0, 0, 1, fheight)

	love.graphics.setFont(infont)

	local offset = 1
	local gprint = love.graphics.print

	--love.graphics.setBlendMode("premultiplied")

	for index = 1, #glyphstring do
		local char = glyphstring:sub(index, index)

		love.graphics.setColor(0, 0, 0)
		for index = 0, border + 1 do
			gprint(char, offset, index)
			gprint(char, offset + border, index)
		end
		gprint(char, offset + border / 2, 0)
		gprint(char, offset + border / 2, border)

		love.graphics.setColor(255, 255, 255)
		gprint(char, offset + border / 2, 0)

		offset = offset + infont:getWidth(char) + 1
	end

	offset = 1

	for index = 1, #glyphstring do
		offset = offset + infont:getWidth(glyphstring:sub(index, index)) + 1

		love.graphics.setColor(255, 255, 0)
		love.graphics.rectangle("fill", offset, 0, 1, fheight)
	end

	love.graphics.setCanvas()

	TEST_CANVAS = canvas

	outfont = love.graphics.newImageFont(canvas:getImageData(), glyphstring)

	canvas:getImageData():encode("outfont.png")
end

function text(text, r, g, b, no_inc)
	if (r) then
		love.graphics.setColor(r, g or r, b or g or r)
	else
		love.graphics.setColor(255, 255, 255)
	end

	love.graphics.print(text, 0, TEXT_Y)

	local _, lines = love.graphics.getFont():getWrap(text, 800)
	TEXT_Y = TEXT_Y + (love.graphics.getFont():getHeight() * lines + 2)
end

function br()
	TEXT_Y = TEXT_Y + love.graphics.getFont():getHeight()
end

function love.draw()
	love.graphics.setBlendMode("alpha")
	love.graphics.setFont(infont)

	love.graphics.setColor(255, 255, 255)
	love.graphics.draw(TEST_CANVAS, 0, 0)
	text("BITMAP FONT SOURCE", 0)
	br()

	text(teststring)
	text("REGULAR FONT", 0)
	br()

	if (outfont) then
		love.graphics.setFont(outfont)
		text(teststring)

		love.graphics.setFont(infont)
		text("BITMAP FONT", 0)
		br()
	end

	TEXT_Y = infont:getHeight() + 2
end