diff options
Diffstat (limited to 'Master/texmf-dist/tex')
-rw-r--r-- | Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.lua | 91 | ||||
-rw-r--r-- | Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.sty | 9 |
2 files changed, 100 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.lua b/Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.lua new file mode 100644 index 00000000000..1e37af791c0 --- /dev/null +++ b/Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.lua @@ -0,0 +1,91 @@ +-- Copyright 2012 Patrick Gundlach, patrick@gundla.ch +-- released under the "MIT license" (see footer of this file) +-- Public repository: https://github.com/pgundlach/lvdebug (issues/pull requests,...) + +module(...,package.seeall) + +local factor = 65782 -- big points vs. TeX points +local rule_width = 0.1 + + +local function draw_pagebox(head,parent) + while head do + if head.id == 0 or head.id == 1 then -- hbox / vbox + + local wd = head.width / factor - rule_width + local ht = (head.height + head.depth) / factor - rule_width + local dp = head.depth / factor - rule_width / 2 + + draw_pagebox(head.list,head) + local wbox = node.new("whatsit","pdf_literal") + if head.id == 0 then -- hbox + wbox.data = string.format("q 0.5 G %g w %g %g %g %g re s Q", rule_width, -rule_width / 2, -dp, wd, ht) + else + wbox.data = string.format("q 0.1 G %g w %g %g %g %g re s Q", rule_width, -rule_width / 2, 0, wd, -ht) + end + wbox.mode = 0 + + head.list = node.insert_before(head.list,head.list,wbox) + + elseif head.id == 10 then -- glue + local wd = head.spec.width + local color = "0.5 G" + if parent.glue_sign == 1 and parent.glue_order == head.spec.stretch_order then + wd = wd + parent.glue_set * head.spec.stretch + color = "0 0 1 RG" + elseif parent.glue_sign == 2 and parent.glue_order == head.spec.shrink_order then + wd = wd - parent.glue_set * head.spec.shrink + color = "1 0 1 RG" + end + + local wbox = node.new("whatsit","pdf_literal") + if parent.id == 0 then --hlist + wbox.data = string.format("q %s [0.2] 0 d 0.5 w 0 0 m %g 0 l s Q",color,wd / factor) + else -- vlist + wbox.data = string.format("q 0.1 G 0.1 w -0.5 0 m 0.5 0 l -0.5 %g m 0.5 %g l s [0.2] 0 d 0.5 w 0.25 0 m 0.25 %g l s Q",-wd / factor,-wd / factor,-wd / factor) + end + wbox.mode = 0 + + node.insert_before(parent.list,head,wbox) + elseif head.id == 11 then -- kern + local wbox = node.new("whatsit","pdf_literal") + local color = "1 1 0 rg" + if head.kern < 0 then color = "1 0 0 rg" end + if parent.id == 0 then --hlist + wbox.data = string.format("q %s 0 w 0 0 %g 1 re B Q",color, head.kern / factor ) + else + wbox.data = string.format("q %s 0 w 0 0 1 %g re B Q",color, -head.kern / factor ) + end + node.insert_before(parent.list,head,wbox) + elseif head.id == 12 then -- penalty + local color = "1 g" + local wbox = node.new("whatsit","pdf_literal") + if head.penalty < 10000 then + color = string.format("%d g", 1 - head.penalty / 10000) + end + wbox.data = string.format("q %s 0 w 0 0 1 1 re B Q",color) + node.insert_before(parent.list,head,wbox) + else + -- ignore + end + head = head.next + end +end + +local function draw() + draw_pagebox(tex.box["AtBeginShipoutBox"].list,tex.box["AtBeginShipoutBox"]) +end + +return { draw = draw } + +-- Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the +-- "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, +-- publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do +-- so, subject to the following conditions: +-- +-- The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. +-- +-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE +-- FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +-- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.sty b/Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.sty new file mode 100644 index 00000000000..95671861a2e --- /dev/null +++ b/Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.sty @@ -0,0 +1,9 @@ +\ProvidesPackage{lua-visual-debug}[2012/02/22 v0.1 Visual debugging in LuaLaTeX (PGU)] +\RequirePackage{ifluatex} +\ifluatex + \RequirePackage{luatexbase,atbegshi} + \directlua{ lvdebug = require("lua-visual-debug") } + \AtBeginShipout {\directlua{lvdebug.draw()}} +\else + \PackageWarning{lua-visual-debug}{You are using this package without LuaTeX. This is not supported, so you don't get any visual debugging.} +\fi |