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authorKarl Berry <karl@freefriends.org>2012-02-22 23:35:00 +0000
committerKarl Berry <karl@freefriends.org>2012-02-22 23:35:00 +0000
commit56ca78224fc5998bdbafd36c1861af1323d7715d (patch)
tree7c8c26cc3477dc381fa0a34558988e408c03efa1 /Master/texmf-dist/tex/lualatex
parentf1ecfdedac68a0b0aff5e22b7b69fb42ce8067c5 (diff)
new lualatex package lua-visual-debug (22feb12)
git-svn-id: svn://tug.org/texlive/trunk@25475 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/lualatex')
-rw-r--r--Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.lua91
-rw-r--r--Master/texmf-dist/tex/lualatex/lua-visual-debug/lua-visual-debug.sty9
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