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Line 3:
Line 3: − + + Line 21:
Line 22: − + − local imh = earth:height()+ − local im = earth:copy(sc*imw, sc*imh)+ − im = im:rotate(-tilt)+ − local midx = im:width()/2 -- this is the important bit for having the right coordinates+ − local midy = im:height()/2+ − local x = w/4 - midx+ − local y = h/2 - midy+ − gc:drawImage(im, x, y) -- we must be in a gc-passed function (like [[on.paint]](gc))+ − imw, imh = im:width(), im:height()</syntaxhighlight>+ +
Returns a copy of the input image rotated counterclockwise by the amount of degrees given.
Returns a copy of the input image rotated counterclockwise by the amount of degrees given.<br />
<br />
{{Since|3.2}}
{{Since|3.2}}
== Example ==
== Example ==
<syntaxhighlight>local imw = earth:width()
<syntaxhighlight>local sc = 0.15
local imw = earth:width()
local imh = earth:height()
local im = earth:copy(sc*imw, sc*imh)
im = im:rotate(-tilt)
local midx = im:width()/2 -- this is the important bit for having the right coordinates
local midy = im:height()/2
local x = w/4 - midx
local y = h/2 - midy
gc:drawImage(im, x, y) -- we must be in a gc-passed function (like on.paint(gc))
imw, imh = im:width(), im:height()</syntaxhighlight>
== Good to know ==
== Good to know ==
