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