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107 lines
3.0 KiB
107 lines
3.0 KiB
filename = ""
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function sk_scrape_startcanvas(c, fileName)
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filename = fileName
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end
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function sk_scrape_endcanvas(c, fileName)
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end
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LuaDoubleNearlyZero = 1.0 / bit32.lshift(1.0, 12)
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function LuaDoubleNearlyEqual(a, b)
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return math.abs(a-b) <= LuaDoubleNearlyZero
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end
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function bounds(rect)
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local width = rect.right - rect.left
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local height = rect.bottom - rect.top
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return width, height
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end
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gradients = {}
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i = 1
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function sk_scrape_accumulate(t)
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local p = t.paint
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if p then
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local s = p:getShader()
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if s then
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local g = s:asAGradient()
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if g then
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gradients[i] = {}
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gradients[i].filename = filename
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local width, height = -1, -1
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if t.rect then
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width, height = bounds(t.rect)
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elseif t.rrect then
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width, height = bounds(t.rrect:rect())
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elseif t.path then
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width, height = bounds(t.path:getBounds())
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end
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gradients[i].boundsWidth = width
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gradients[i].boundsHeight = height
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gradients[i].colorCount = g.colorCount
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gradients[i].type = g.type
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gradients[i].tile = g.tile
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isEvenlySpaced = true
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for j = 1, g.colorCount, 1 do
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if not LuaDoubleNearlyEqual(g.positions[j], (j-1)/(g.colorCount-1)) then
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isEvenlySpaced = false
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end
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end
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gradients[i].isEvenlySpaced = isEvenlySpaced
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numHardStops = 0
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for j = 2, g.colorCount, 1 do
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if LuaDoubleNearlyEqual(g.positions[j], g.positions[j-1]) then
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numHardStops = numHardStops + 1
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end
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end
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gradients[i].numHardStops = numHardStops
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gradients[i].verb = t.verb
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gradients[i].positions = {}
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for j = 1, g.colorCount, 1 do
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gradients[i].positions[j] = g.positions[j]
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end
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i = i + 1
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end
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end
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end
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end
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function sk_scrape_summarize()
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for k, v in pairs(gradients) do
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local pos = ""
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for j = 1, v.colorCount , 1 do
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pos = pos .. v.positions[j]
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if j ~= v.colorCount then
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pos = pos .. ","
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end
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end
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io.write(string.format("%s %d %s %s %d %d %s %d %d %s\n",
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v.filename,
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v.colorCount,
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v.type,
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v.tile,
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tonumber(v.isEvenlySpaced and 1 or 0),
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v.numHardStops,
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v.verb,
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v.boundsWidth,
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v.boundsHeight,
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pos))
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end
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end
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