2016-01-12 16:26:00

1 files changed, 0 insertions, 147 deletions

diff --git a/tex/context/base/back-pdf.lua b/tex/context/base/back-pdf.lua
deleted file mode 100644
index 5d007ed43..000000000
--- a/tex/context/base/back-pdf.lua
+++ /dev/null
@@ -1,147 +0,0 @@
-if not modules then modules = { } end modules ['back-pdf'] = {
-    version   = 1.001,
-    comment   = "companion to back-pdf.mkiv",
-    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
-    copyright = "PRAGMA ADE / ConTeXt Development Team",
-    license   = "see context related readme files"
-}
-
--- we could do \pdfmatrix sx <> sy <> etc
-
-local tonumber = tonumber
-local sind, cosd = math.sind, math.cosd
-local insert, remove = table.insert, table.remove
-
-local codeinjections = backends.pdf.codeinjections
-
-local context        = context
-
-local scanners       = tokens.scanners
-local scanstring     = scanners.string
-local scannumber     = scanners.number
-local scaninteger    = scanners.integer
-local scankeyword    = scanners.keyword
-
-local scanners       = interfaces.scanners
-
-local outputfilename
-
-function codeinjections.getoutputfilename()
-    if not outputfilename then
-        outputfilename = file.addsuffix(tex.jobname,"pdf")
-    end
-    return outputfilename
-end
-
-backends.install("pdf")
-
-local f_matrix = string.formatters["%F %F %F %F"] -- 0.8 is default
-
-scanners.pdfrotation = function() -- a
-    -- todo: check for 1 and 0 and flush sparse
-    local a = scannumber()
-    local s, c = sind(a), cosd(a)
-    context(f_matrix(c,s,-s,c))
-end
-
--- experimental code (somewhat weird here) .. todo: nodeinjections .. this will only work
--- out well if we also calculate the accumulated cm and wrap inclusions / annotations in
--- the accumulated ... it's a mess
---
--- we could also do the save restore wrapping here + colorhack
-
-local pdfsave      = nodes.pool.pdfsave
-local pdfrestore   = nodes.pool.pdfrestore
-local pdfsetmatrix = nodes.pool.pdfsetmatrix
-
-local stack        = { }
-local restore      = true -- false
-
-scanners.pdfstartrotation = function()
-    local a = scannumber()
-    if a == 0 then
-        insert(stack,false)
-    else
-        local s, c = sind(a), cosd(a)
-        context(pdfsave())
-        context(pdfsetmatrix(c,s,-s,c))
-        insert(stack,restore and { c, -s, s, c } or true)
-    end
-end
-
-scanners.pdfstartscaling = function() -- at the tex end we use sx and sy instead of rx and ry
-    local rx, ry = 1, 1
-    while true do
-        if scankeyword("rx") then
-            rx = scannumber()
-        elseif scankeyword("ry") then
-            ry = scannumber()
-     -- elseif scankeyword("revert") then
-     --     local top = stack[#stack]
-     --     if top then
-     --         rx = top[1]
-     --         ry = top[4]
-     --     else
-     --         rx = 1
-     --         ry = 1
-     --     end
-        else
-            break
-        end
-    end
-    if rx == 1 and ry == 1 then
-        insert(stack,false)
-    else
-        if rx == 0 then
-            rx = 0.0001
-        end
-        if ry == 0 then
-            ry = 0.0001
-        end
-        context(pdfsave())
-        context(pdfsetmatrix(rx,0,0,ry))
-        insert(stack,restore and { 1/rx, 0, 0, 1/ry } or true)
-    end
-end
-
-scanners.pdfstartmatrix = function() -- rx sx sy ry  -- tx, ty
-    local rx, sx, sy, ry = 1, 0, 0, 1
-    while true do
-            if scankeyword("rx") then rx = scannumber()
-        elseif scankeyword("ry") then ry = scannumber()
-        elseif scankeyword("sx") then sx = scannumber()
-        elseif scankeyword("sy") then sy = scannumber()
-        else   break end
-    end
-    if rx == 1 and sx == 0 and sy == 0 and ry == 1 then
-        insert(stack,false)
-    else
-        context(pdfsave())
-        context(pdfsetmatrix(rx,sx,sy,ry))
-        insert(stack,store and { -rx, -sx, -sy, -ry } or true)
-    end
-end
-
-local function pdfstopsomething()
-    local top = remove(stack)
-    if top == false then
-        -- not wrapped
-    elseif top == true then
-        context(pdfrestore())
-    elseif top then
-        context(pdfsetmatrix(unpack(top))) -- not really needed anymore
-        context(pdfrestore())
-    else
-        -- nesting error
-    end
-end
-
-scanners.pdfstoprotation = pdfstopsomething
-scanners.pdfstopscaling  = pdfstopsomething
-scanners.pdfstopmatrix   = pdfstopsomething
-
-scanners.pdfstartmirroring = function()
-    context(pdfsetmatrix(-1,0,0,1))
-end
-
-scanners.pdfstopmirroring = scanners.pdfstartmirroring