diff options
author | Karl Berry <karl@freefriends.org> | 2012-03-09 01:33:08 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2012-03-09 01:33:08 +0000 |
commit | ebd5de2be2cfa581ccf2318a23b14362f3bcb006 (patch) | |
tree | ecfbae16c7c5745b5932f2e8b18f0271c4a89824 /Master/texmf-dist/tex/luatex/lua-visual-debug | |
parent | 1a1835b1fbe4ffb735d55bac3f95554e32c8e2f5 (diff) |
lua-visual-debug (8mar12)
git-svn-id: svn://tug.org/texlive/trunk@25586 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/luatex/lua-visual-debug')
-rw-r--r-- | Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.lua | 42 | ||||
-rw-r--r-- | Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.sty | 6 |
2 files changed, 32 insertions, 16 deletions
diff --git a/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.lua b/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.lua index e4aae142737..af2f02c93e1 100644 --- a/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.lua +++ b/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.lua @@ -51,6 +51,14 @@ local number_sp_in_a_pdf_point = 65782 -- -- the pointer is "nil" if there is no next item -- end +function math.round(num, idp) + if idp and idp>0 then + local mult = 10^idp + return math.floor(num * mult + 0.5) / mult + end + return math.floor(num + 0.5) +end + function show_page_elements(parent) local head = parent.list @@ -58,9 +66,9 @@ function show_page_elements(parent) if head.id == 0 or head.id == 1 then -- hbox / vbox local rule_width = 0.1 - local wd = head.width / number_sp_in_a_pdf_point - rule_width - local ht = (head.height + head.depth) / number_sp_in_a_pdf_point - rule_width - local dp = head.depth / number_sp_in_a_pdf_point - rule_width / 2 + local wd = math.round(head.width / number_sp_in_a_pdf_point - rule_width ,2) + local ht = math.round((head.height + head.depth) / number_sp_in_a_pdf_point - rule_width ,2) + local dp = math.round(head.depth / number_sp_in_a_pdf_point - rule_width / 2 ,2) -- recurse into the contents of the box show_page_elements(head) @@ -74,11 +82,15 @@ function show_page_elements(parent) elseif head.id == 2 then -- rule - if head.width == 0 then head.width = 0.4 * 2^16 end - local goback = node.new("kern") - goback.kern = -head.width - node.insert_after(parent.list,head,goback) - head = goback + local show_rule = node.new("whatsit","pdf_literal") + if head.width == -1073741824 or head.height == -1073741824 or head.depth == -1073741824 then + -- ignore for now -- these rules are stretchable + else + local dp = math.round( head.depth / number_sp_in_a_pdf_point ,2) + local ht = math.round( head.height / number_sp_in_a_pdf_point ,2) + show_rule.data = string.format("q 1 0 0 RG 1 0 0 rg 0.4 w 0 %g m 0 %g l S Q",-dp,ht) + end + parent.list = node.insert_before(parent.list,head,show_rule) elseif head.id == 7 then -- disc @@ -87,7 +99,7 @@ function show_page_elements(parent) parent.list = node.insert_before(parent.list,head,hyphen_marker) - elseif head.id == 10 then -- glue + 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 @@ -98,10 +110,11 @@ function show_page_elements(parent) color = "1 0 1 RG" end local pdfstring = node.new("whatsit","pdf_literal") + local wd_bp = math.round(wd / number_sp_in_a_pdf_point,2) if parent.id == 0 then --hlist - pdfstring.data = string.format("q %s [0.2] 0 d 0.5 w 0 0 m %g 0 l s Q",color,wd / number_sp_in_a_pdf_point) + pdfstring.data = string.format("q %s [0.2] 0 d 0.5 w 0 0 m %g 0 l s Q",color,wd_bp) else -- vlist - pdfstring.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 / number_sp_in_a_pdf_point,-wd / number_sp_in_a_pdf_point,-wd / number_sp_in_a_pdf_point) + pdfstring.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_bp,-wd_bp,-wd_bp) end parent.list = node.insert_before(parent.list,head,pdfstring) @@ -110,13 +123,15 @@ function show_page_elements(parent) local rectangle = node.new("whatsit","pdf_literal") local color = "1 1 0 rg" if head.kern < 0 then color = "1 0 0 rg" end + local k = math.round(head.kern / number_sp_in_a_pdf_point,2) if parent.id == 0 then --hlist - rectangle.data = string.format("q %s 0 w 0 0 %g 1 re B Q",color, head.kern / number_sp_in_a_pdf_point ) + rectangle.data = string.format("q %s 0 w 0 0 %g 1 re B Q",color, k ) else - rectangle.data = string.format("q %s 0 w 0 0 1 %g re B Q",color, -head.kern / number_sp_in_a_pdf_point ) + rectangle.data = string.format("q %s 0 w 0 0 1 %g re B Q",color, -k ) end parent.list = node.insert_before(parent.list,head,rectangle) + elseif head.id == 12 then -- penalty local color = "1 g" local rectangle = node.new("whatsit","pdf_literal") @@ -128,5 +143,6 @@ function show_page_elements(parent) end head = head.next end + return true end diff --git a/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.sty b/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.sty index 72839e48d93..7479e0fc6b9 100644 --- a/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.sty +++ b/Master/texmf-dist/tex/luatex/lua-visual-debug/lua-visual-debug.sty @@ -1,11 +1,11 @@ -% Version: 0.2 +% Version: 0.3 % see lua file for copyright information (MIT License) \expandafter\ifx\csname ProvidesPackage\endcsname\relax \input ifluatex.sty\relax \else \NeedsTeXFormat{LaTeX2e} - \ProvidesPackage{lua-visual-debug}[2012/02/24 v0.2 Visual debugging in LuaLaTeX (PGU)] + \ProvidesPackage{lua-visual-debug}[2012/02/24 v0.3 Visual debugging in LuaLaTeX (PGU)] \RequirePackage{ifluatex} \fi @@ -24,7 +24,7 @@ \fi \else \ifluatex - \RequirePackage{luatexbase,atbegshi} + \RequirePackage{atbegshi} \dothings \else \PackageWarning{lua-visual-debug}{You are using this package without LuaTeX. This is not supported, so you don't get any visual debugging.} |