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61 lines
1.6 KiB
61 lines
1.6 KiB
--
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-- Copyright 2016 Google Inc.
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--
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-- Use of this source code is governed by a BSD-style license that can be
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-- found in the LICENSE file.
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--
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-- Dashed path scraping script.
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-- This script is designed to count the total number of dashes in a dashed path
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-- by computing the fill path and then counting how many individual segments are
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-- inside the resulting fill path.
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dashes = 0
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pathPieces = {}
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function sk_scrape_startcanvas(c, 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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function sk_scrape_accumulate(t)
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local paint = t.paint
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if paint then
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local pe = paint:getPathEffect()
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if pe then
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if t.verb == "drawPath" and pe:asADash() then
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dashes = dashes + 1
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pathPieces[dashes] = 0
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local path = t.path
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local fillpath = paint:getFillPath(path)
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local verbs = fillpath:getVerbs()
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for _, verb in ipairs(verbs) do
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if verb == "move" then
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pathPieces[dashes] = pathPieces[dashes] + 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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end
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end
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-- We mulitply by two because for each segment of the dash, we do two measurements:
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-- One for the beginning and one for the end of each dash.
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function sk_scrape_summarize()
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local pieces5 = 0;
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local pieces10 = 0;
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for _, p in ipairs(pathPieces) do
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local pieces = 2*p
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if pieces < 5 then
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pieces5 = pieces5 + 1
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end
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if pieces > 5 and pieces < 10 then
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pieces10 = pieces10 + 1
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end
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end
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io.write(string.format("%d %d %d\n", 2*dashes, pieces5, pieces10))
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end
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