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110 lines
3.3 KiB
110 lines
3.3 KiB
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function sk_scrape_startcanvas(c, fileName) end
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function sk_scrape_endcanvas(c, fileName) end
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function classify_rrect(rrect)
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if (rrect:type() == "simple") then
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local x, y = rrect:radii(0)
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if (x == y) then
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return "simple_circle"
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else
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return "simple_oval"
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end
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elseif (rrect:type() == "complex") then
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local numNotSquare = 0
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local rx, ry
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local same = true;
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local first_not_square_corner
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local last_not_square_corner
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for i = 1, 4 do
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local x, y = rrect:radii(i-1)
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if (x ~= 0 and y ~= 0) then
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if (numNotSquare == 0) then
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rx = x
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ry = y
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first_not_square_corner = i
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else
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last_not_square_corner = i
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if (rx ~= x or ry ~=y) then
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same = false
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end
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end
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numNotSquare = numNotSquare + 1
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end
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end
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local numSquare = 4 - numNotSquare
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if (numSquare > 0 and same) then
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local corners = "corners"
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if (numSquare == 2) then
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if ((last_not_square_corner - 1 == first_not_square_corner) or
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(1 == first_not_square_corner and 4 == last_not_square_corner )) then
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corners = "adjacent_" .. corners
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else
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corners = "opposite_" .. corners
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end
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elseif (1 == numSquare) then
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corners = "corner"
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end
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if (rx == ry) then
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return "circles_with_" .. numSquare .. "_square_" .. corners
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else
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return "ovals_with_" .. numSquare .. "_square_" .. corners
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end
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end
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return "complex_unclassified"
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elseif (rrect:type() == "rect") then
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return "rect"
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elseif (rrect:type() == "oval") then
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local x, y = rrect:radii(0)
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if (x == y) then
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return "circle"
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else
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return "oval"
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end
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elseif (rrect:type() == "empty") then
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return "empty"
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else
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return "unknown"
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end
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end
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function print_classes(class_table)
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function sort_classes(a, b)
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return a.count > b.count
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end
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array = {}
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for k, v in pairs(class_table) do
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if (type(v) == "number") then
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array[#array + 1] = {class = k, count = v};
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end
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end
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table.sort(array, sort_classes)
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local i
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for i = 1, #array do
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io.write(array[i].class, ": ", array[i].count, " (", array[i].count/class_table["total"] * 100, "%)\n");
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end
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end
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function sk_scrape_accumulate(t)
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if (t.verb == "clipRRect") then
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local rrect = t.rrect
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table["total"] = (table["total"] or 0) + 1
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local class = classify_rrect(rrect)
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table[class] = (table[class] or 0) + 1
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end
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end
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function sk_scrape_summarize()
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print_classes(table)
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--[[ To use the web scraper comment out the above call to print_classes, run the code below,
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and in the aggregator pass agg_table to print_classes.
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for k, v in pairs(table) do
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if (type(v) == "number") then
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local t = "agg_table[\"" .. k .. "\"]"
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io.write(t, " = (", t, " or 0) + ", table[k], "\n" );
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end
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end
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--]]
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end
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