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Fix Lua bugs, nit name change

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BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2140293002

Review-Url: https://codereview.chromium.org/2140293002
This commit is contained in:
fmenozzi 2016-07-12 14:55:39 -07:00 committed by Commit bot
parent 6d3fb898d5
commit 90ccfbaf2e
1 changed files with 11 additions and 10 deletions
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21
tools/lua/gradients.lua
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@ -1,10 +1,10 @@
function sk_scrape_startcanvas(c, fileName) end
function sk_scrape_endcanvas(c, fileName) end
SkScalarNearlyZero = 1.0 / bit32.lshift(1.0, 12)
LuaDoubleNearlyZero = 1.0 / bit32.lshift(1.0, 12)
function SkScalarNearlyEqual(a, b)
return math.abs(a,b) <= SkScalarNearlyZero
function LuaDoubleNearlyEqual(a, b)
return math.abs(a-b) <= LuaDoubleNearlyZero
end
gradients = {}
@ -24,20 +24,21 @@ function sk_scrape_accumulate(t)
gradients[i].type = g.type
gradients[i].tile = g.tile
numHardStops = 0
isEvenlySpaced = true
for j = 2, g.colorCount, 1 do
if not SkScalarNearlyEqual(g.positions[j], j/(g.colorCount-1)) then
for j = 1, g.colorCount, 1 do
if not LuaDoubleNearlyEqual(g.positions[j], (j-1)/(g.colorCount-1)) then
isEvenlySpaced = false
end
end
gradients[i].isEvenlySpaced = isEvenlySpaced
if SkScalarNearlyEqual(g.positions[j], g.positions[j-1]) then
numHardStops = 0
for j = 2, g.colorCount, 1 do
if LuaDoubleNearlyEqual(g.positions[j], g.positions[j-1]) then
numHardStops = numHardStops + 1
end
end
gradients[i].isEvenlySpaced = isEvenlySpaced
gradients[i].numHardStops = numHardStops;
gradients[i].numHardStops = numHardStops;
gradients[i].positions = {}
for j = 1, g.colorCount, 1 do