aseprite/tests/scripts/color_convert.lua

89 lines
2.4 KiB
Lua

-- Copyright (C) 2019-2024 Igara Studio S.A.
--
-- This file is released under the terms of the MIT license.
-- Read LICENSE.txt for more information.
dofile('./test_utils.lua')
-- this tests and ensures that the alpha-ness of a background
-- layer is maintained when sprite conversion takes place from
-- Indexed to RGB
do
local sprite = Sprite(2, 2, ColorMode.INDEXED)
local pal = sprite.palettes[1]
assert(sprite.layers[1].isTransparent)
assert(sprite.colorMode == ColorMode.INDEXED)
assert(#pal == 256)
local color = pal:getColor(3)
color.alpha = 200
pal:setColor(3, color)
local image = sprite.cels[1].image
image:drawPixel(0, 0, pal:getColor(2))
image:drawPixel(0, 1, pal:getColor(3))
image:drawPixel(1, 0, pal:getColor(4))
image:drawPixel(1, 1, pal:getColor(5))
app.bgColor = Color{ index=0 }
app.command.BackgroundFromLayer()
local layer = sprite.layers[1]
assert(layer.isTransparent == false)
assert(layer.name == "Background")
-- change color mode from Indexed to RGB
app.command.ChangePixelFormat {
format="rgb"
}
assert(sprite.colorMode == ColorMode.RGB)
image = sprite.cels[1].image
for x=0, 1, 1 do
for y=0, 1, 1 do
local pixel = image:getPixel(x, y)
assert(app.pixelColor.rgbaA(pixel) == 255)
end
end
end
-- Test of mask color conversion in a opaque sprite with
-- extra non-opaque layers.
-- Conditions:
-- + There is a background layer
-- + There is an extra layer drawn
-- + The mask color is in the palette and whose index is greater than 0
-- + RGBA->INDEXED conversion
do
local sprite = Sprite(3, 3, ColorMode.RGB)
app.command.BackgroundFromLayer()
local pal = sprite.palettes[1]
local backgroundLayer = sprite.layers[1]
assert(sprite.layers[1].isBackground)
assert(sprite.colorMode == ColorMode.RGB)
assert(sprite.layers[1]:cel(1).image:getPixel(0, 0) == app.pixelColor.rgba(0,0,0,255))
assert(#pal == 256)
pal:setColor(0, Color{ r=255, g=0 , b=0 , a=255 })
pal:setColor(1, Color{ r=0 , g=0 , b=0 , a=0 })
pal:setColor(2, Color{ r=0 , g=255, b=0 , a=255 })
pal:setColor(3, Color{ r=0 , g=0 , b=255, a=255 })
local layer = sprite:newLayer()
app.useTool {
tool='pencil',
color=pal:getColor(2),
points={ Point(0, 1), Point(1, 0) },
layer=Layer
}
app.command.ChangePixelFormat {
format="indexed"
}
assert(pal:getColor(1) == Color{r=0 , g=0 , b=0 , a=0})
assert(layer:cel(1).image:getPixel(0, 0) == 1)
end