how to draw text in a limited area of the screen

[borr]

i want to limit the text to a given area
the only method i found along with stencil

Code: Select all

local function myStencilFunction()
    love.graphics.rectangle("fill", 100, s_height/2, 95, 30)
end

function love.load()
     text_obj = love.graphics.newText( font, "This text is aligned center")
end

function love.draw()
    love.graphics.stencil(myStencilFunction, "replace", 1)
    love.graphics.setStencilTest("greater", 0)
    love.graphics.draw( text_obj, 100, s_height/2 )
    love.graphics.setStencilTest()
end

are there any more productive methods for this?

[slime]

love.graphics.printf and Text:setf might do what you want.

[borr]

Code: Select all

love.graphics.printf("This text is aligned center", s_width/2, s_height/2, 200,"center")

thanks for your reply.
but that's not what I want. I want the text outside of its area to be cut off
am I doing something wrong with the printf?

[slime]

If you want text to be clipped instead of wrapping, love.graphics.setScissor or stencils (as you've already discovered) are two good tools for it.

[borr]

Thanks

[borr]

can i add parameters for StencilFunction?

[keharriso]

can i add parameters for StencilFunction?

Maybe try returning a stencil function from a generator?

Code: Select all

local function generateStencil(x, y, width, height)
    return function ()
        love.graphics.rectangle("fill", x, y, width, height)
    end
end

function love.draw()
    love.graphics.stencil(generateStencil(100, 100, 95, 30), "replace", 1)
    ...
end

[borr]

it works. Thanks

[borr]

love.graphics.setScissor( s_width/2 - text_obj:getWidth()/2, s_height / 2 - text_obj:getHeight() / 2, 95, 30 )
love.graphics.clear(0, 0, 0, 0)

clear with alpha 0, does not work without canvas?