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Fixed ImageData:mapPixel's color component arguments to the mapping function to be within [0, 1] instead of [0, 255].

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branch : minor
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Alex Szpakowski
2016-05-21 14:46:17 -03:00
parent 8b920ba816
commit 963b4c4447
1 changed files with 1 additions and 1 deletions
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src/modules/image/wrap_ImageData.lua
+1 -1
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@@ -131,7 +131,7 @@ function ImageData:_mapPixelUnsafe(func, ix, iy, iw, ih)
for y=iy, iy+ih-1 do for y=iy, iy+ih-1 do
for x=ix, ix+iw-1 do for x=ix, ix+iw-1 do
local p = pixels[y*idw+x] local p = pixels[y*idw+x]
local r, g, b, a = func(x, y, tonumber(p.r), tonumber(p.g), tonumber(p.b), tonumber(p.a)) local r, g, b, a = func(x, y, tonumber(p.r) / 255, tonumber(p.g) / 255, tonumber(p.b) / 255, tonumber(p.a) / 255)
pixels[y*idw+x].r = r * 255 pixels[y*idw+x].r = r * 255
pixels[y*idw+x].g = g * 255 pixels[y*idw+x].g = g * 255
pixels[y*idw+x].b = b * 255 pixels[y*idw+x].b = b * 255