From 0b401ce663ef80222e0eb3a54bdd4c42af8e48e1 Mon Sep 17 00:00:00 2001 From: hstern Date: Tue, 2 Aug 2016 09:17:59 -0700 Subject: Add code to lua paths to get the fill path and get lists of verbs and points BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2199823002 Review-Url: https://codereview.chromium.org/2199823002 --- tools/lua/count_dashes.lua | 60 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 tools/lua/count_dashes.lua (limited to 'tools/lua') diff --git a/tools/lua/count_dashes.lua b/tools/lua/count_dashes.lua new file mode 100644 index 0000000000..20502a9f01 --- /dev/null +++ b/tools/lua/count_dashes.lua @@ -0,0 +1,60 @@ +-- +-- 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 -- cgit v1.2.3