add Font:getGlyphPosition

[thethethetheraven]

this implements Font:getGlyphPosition as outlined in issue #1021.

[thethethetheraven]

demo:

local utf8 = require "utf8"

local text = "hello, this is a program that uses Font:getGlyphPosition()."
local font = love.graphics.newFont(30)

local i = 1

function love.load()
	love.keyboard.setKeyRepeat(true)
end

function love.keypressed(k)
	if k == "right" then
		i = i + 1
	elseif k == "left" then
		i = i - 1
	end
	i = math.max(math.min(i, utf8.len(text)), 1)
end

function love.draw()
	love.graphics.setFont(font)
	love.graphics.setColor(0.8, 0.5, 0.8)
	love.graphics.rectangle("fill", font:getGlyphPosition(i, text, 400))
	love.graphics.setColor(1, 1, 1)
	love.graphics.printf(text, 0, 0, 400)
end

[EvelynMakesThings]

I'll write here to bump this request. This seems like good work! Not sure why some OpenGL related checks fail, however.

[thethethetheraven]

This seems like good work!

thank you!

Not sure why some OpenGL related checks fail, however.

it seems that a test I wrote fails on mac and windows. I don't have windows or a mac, so if someone could investigate, that would be helpful.

[EvelynMakesThings]

I'll test it on my windows pc when I get home, so later today. Wish me luck with the windows build process (linux user by heart)

[thethethetheraven]

Wish me luck with the windows build process

may you experience great success! I don't envy you.

(by the way, I did not intend to close and reopen the pull request. I'm fumbling with this user interface a bit)

[EvelynMakesThings]

I have successfully compiled it and run the love2d testing suite with no issues! No errors were encountered while building. this pr should work perfectly fine. Good work!

[thethethetheraven]

hooray!