1-- 2-- Copyright 2016 Google Inc. 3-- 4-- Use of this source code is governed by a BSD-style license that can be 5-- found in the LICENSE file. 6-- 7 8-- Dashed path scraping script. 9-- This script is designed to count the total number of dashes in a dashed path 10-- by computing the fill path and then counting how many individual segments are 11-- inside the resulting fill path. 12 13dashes = 0 14 15pathPieces = {} 16 17function sk_scrape_startcanvas(c, fileName) 18end 19 20function sk_scrape_endcanvas(c, fileName) 21end 22 23function sk_scrape_accumulate(t) 24 local paint = t.paint 25 if paint then 26 local pe = paint:getPathEffect() 27 if pe then 28 if t.verb == "drawPath" and pe:asADash() then 29 dashes = dashes + 1 30 pathPieces[dashes] = 0 31 32 local path = t.path 33 local fillpath = paint:getFillPath(path) 34 local verbs = fillpath:getVerbs() 35 for _, verb in ipairs(verbs) do 36 if verb == "move" then 37 pathPieces[dashes] = pathPieces[dashes] + 1 38 end 39 end 40 end 41 end 42 end 43end 44 45-- We mulitply by two because for each segment of the dash, we do two measurements: 46-- One for the beginning and one for the end of each dash. 47function sk_scrape_summarize() 48 local pieces5 = 0; 49 local pieces10 = 0; 50 for _, p in ipairs(pathPieces) do 51 local pieces = 2*p 52 if pieces < 5 then 53 pieces5 = pieces5 + 1 54 end 55 if pieces > 5 and pieces < 10 then 56 pieces10 = pieces10 + 1 57 end 58 end 59 io.write(string.format("%d %d %d\n", 2*dashes, pieces5, pieces10)) 60end 61