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Add array_to_pixels() to test_utils.lua

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This commit is contained in:
David Capello 2019-08-13 18:25:37 -03:00
parent 4f33bd8e14
commit 6c0523f150
1 changed files with 17 additions and 0 deletions
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17
scripts/test_utils.lua
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@ -16,6 +16,10 @@ end
function expect_img(image, expectedPixels) function expect_img(image, expectedPixels)
local w = image.width local w = image.width
local h = image.height local h = image.height
if w*h ~= #expectedPixels then
print(debug.traceback())
assert(w*h == #expectedPixels)
end
for y=0,h-1 do for y=0,h-1 do
for x=0,w-1 do for x=0,w-1 do
local value = image:getPixel(x, y) local value = image:getPixel(x, y)
@ -63,3 +67,16 @@ function expect_img(image, expectedPixels)
end end
end end
end end
function array_to_pixels(array, image)
local w = image.width
local h = image.height
assert(w*h == #array)
local i = 1
for y=0,h-1 do
for x=0,w-1 do
image:drawPixel(x, y, array[i])
i = i+1
end
end
end