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sile-typesetter / sile / 9704690977

27 Jun 2024 10:56PM UTC coverage: 69.448% (-1.9%) from 71.339%
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Merge f217123d3 into 8c5a2a2ba

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0.0
/packages/cropmarks/init.lua
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local base = require("packages.base")
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local package = pl.class(base)
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package._name = "cropmarks"
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local outcounter = 1
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local function outputMarks ()
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   local page = SILE.getFrame("page")
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   -- Length of crop mark bars
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   local cropsz = 20
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   -- Ensure the crop marks stay outside the bleed area
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   local offset = math.max(10, SILE.documentState.bleed / 2)
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   SILE.outputter:drawRule(page:left() - offset, page:top(), -cropsz, 0.5)
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   SILE.outputter:drawRule(page:left(), page:top() - offset, 0.5, -cropsz)
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   SILE.outputter:drawRule(page:right() + offset, page:top(), cropsz, 0.5)
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   SILE.outputter:drawRule(page:right(), page:top() - offset, 0.5, -cropsz)
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   SILE.outputter:drawRule(page:left() - offset, page:bottom(), -cropsz, 0.5)
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   SILE.outputter:drawRule(page:left(), page:bottom() + offset, 0.5, cropsz)
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   SILE.outputter:drawRule(page:right() + offset, page:bottom(), cropsz, 0.5)
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   SILE.outputter:drawRule(page:right(), page:bottom() + offset, 0.5, cropsz)
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   local hbox, hlist = SILE.typesetter:makeHbox(function ()
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      SILE.settings:temporarily(function ()
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         SILE.call("noindent")
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         SILE.call("font", { size = "6pt" })
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         if SILE.Commands["crop:header"] then
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            -- Deprecation shim:
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            -- If user redefined this command, still use it with a warning...
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            SU.deprecated("crop:header", "cropmarks:header", "0.15.0", "0.16.0")
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            SILE.call("crop:header")
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         else
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            SILE.call("cropmarks:header")
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         end
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      end)
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   end)
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   if #hlist > 0 then
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      SU.error("Migrating content is forbidden in crop header")
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   end
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   SILE.typesetter.frame.state.cursorX = page:left() + offset
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   SILE.typesetter.frame.state.cursorY = page:top() - offset - 4
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   outcounter = outcounter + 1
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   if hbox then
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      for i = 1, #hbox.value do
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         hbox.value[i]:outputYourself(SILE.typesetter, { ratio = 1 })
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      end
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   end
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end
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function package:_init ()
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   base._init(self)
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   self:loadPackage("date")
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end
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function package:registerCommands ()
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   self:registerCommand("cropmarks:header", function (_, _)
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      local info = SILE.input.filenames[1]
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         .. " - "
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         .. self.class.packages.date:date({ format = "%x %X" })
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         .. " - "
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         .. outcounter
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      SILE.typesetter:typeset(info)
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   end)
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   self:registerCommand("cropmarks:setup", function (_, _)
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      self.class:registerHook("endpage", outputMarks)
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   end)
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   self:registerCommand("crop:setup", function (_, _)
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      SU.deprecated("crop:setup", "cropmarks:setup", "0.15.10", "0.17.0")
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      SILE.call("cropmarks:setup")
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   end)
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end
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package.documentation = [[
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\begin{document}
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When preparing a document for printing, you may be asked by the printer add crop marks.
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This means that you need to output the document on a slightly larger page size than your target paper and add crop marks to show where the paper sheet should be trimmed down to the correct size.
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Actual paper size, true page content area and bleed/trim area can all be set via class options.
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This package provides the \autodoc:command{\cropmarks:setup} command which should be run early in your document file.
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It places crop marks around the true page content.
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The crop marks are guaranteed to stay outside the bleed/trim area, when defined.
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It also adds a header at the top of the page with the filename, date and output sheet number.
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You can customize this header by redefining \autodoc:command{\cropmarks:header}.
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\end{document}
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]]
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return package
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