aseprite/scripts/frames.lua

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-- Copyright (C) 2018 Igara Studio S.A.
-- Copyright (C) 2018 David Capello
--
-- This file is released under the terms of the MIT license.
-- Read LICENSE.txt for more information.
do
local a = Sprite(32, 32)
assert(#a.frames == 1)
assert(a.frames[1].frameNumber == 1)
assert(a.frames[1].duration == 0.1)
a.frames[1].duration = 0.2
assert(a.frames[1].duration == 0.2)
assert(a.layers[1]:cel(1) ~= nil)
-- Sprite:newEmptyFrame()
local fr0 = a:newEmptyFrame()
assert(fr0.frameNumber == 2) -- returned the second frame
assert(#a.frames == 2)
assert(a.frames[1].frameNumber == 1)
assert(a.frames[2].frameNumber == 2)
assert(a.frames[1].duration == 0.2)
assert(a.frames[2].duration == 0.2) -- the duration is copied
assert(a.layers[1]:cel(1) ~= nil)
assert(a.layers[1]:cel(fr0) == nil) -- no cel
assert(fr0 == a.frames[2])
a:deleteFrame(fr0)
assert(#a.frames == 1)
-- Sprite:newFrame() without arguments
local fr = a:newFrame()
assert(fr.frameNumber == 2) -- returned the second frame
assert(#a.frames == 2)
assert(a.frames[1].frameNumber == 1)
assert(a.frames[2].frameNumber == 2)
assert(a.frames[1].duration == 0.2)
assert(a.frames[2].duration == 0.2)
assert(fr == a.frames[2])
fr.duration = 0.3
assert(a.frames[1].duration == 0.2)
assert(a.frames[2].duration == 0.3)
2018-09-12 21:45:23 +00:00
local i = 1
for k,v in ipairs(a.frames) do
assert(i == k)
assert(v == a.frames[k])
i = i+1
end
a:deleteFrame(1)
assert(#a.frames == 1)
assert(a.frames[1].duration == 0.3)
-- TODO This is a big issue, if we add/delete frames, we don't
-- update frame objects, they are still pointing to the same frame
-- number, which could lead to confusion.
assert(fr.frameNumber == 2)
fr.duration = 1 -- This is a do nothing operation
-- Sprite:newEmptyFrame(n)
local fr2 = a:newEmptyFrame(1)
assert(#a.frames == 2)
assert(fr2.frameNumber == 1) -- returned the first frame
print(a.frames[1].duration)
assert(a.frames[1].duration == 0.3) -- the duration is copied from the frame
assert(a.frames[2].duration == 0.3)
assert(fr2 == a.frames[1])
assert(a.layers[1]:cel(1) == nil)
assert(a.layers[1]:cel(2) ~= nil)
-- Sprite:newFrame(n)
local fr3 = a:newFrame(2)
assert(#a.frames == 3)
assert(fr3.frameNumber == 2) -- returned the second frame
assert(a.frames[1].duration == 0.3)
assert(a.frames[2].duration == 0.3) -- copied duration from old frame 2
assert(a.frames[3].duration == 0.3)
local cel1 = a.layers[1]:cel(1)
local cel2 = a.layers[1]:cel(2)
local cel3 = a.layers[1]:cel(3)
assert(cel1 == nil)
assert(cel2 ~= nil)
assert(cel3 ~= nil)
print(cel2.image.spec.colorMode)
print(cel2.image.spec.width)
print(cel2.image.spec.height)
print(cel3.image.spec.colorMode)
print(cel3.image.spec.width)
print(cel3.image.spec.height)
assert(cel2.image.spec == cel3.image.spec)
assert(fr3.previous == a.frames[1])
assert(fr3 == a.frames[2])
assert(fr3.next == a.frames[3])
end