On Tue, Apr 2, 2019 at 12:23 AM Reinhard Kotucha <reinhard.kotu...@web.de>
wrote:
> Hi,
> when I run the example on page 261/262 of the LuaTeX Manual and the
> input file ("foo.pdf" in the example) doesn't exist, I get
>
> Segmentation fault (core dumped)
>
> on x86_64-linux.
>
> Regards,
> Reinhard
>
> --
> ------------------------------------------------------------------
> Reinhard Kotucha Phone: +49-511-3373112
> Marschnerstr. 25
> D-30167 Hannover mailto:reinhard.kotu...@web.de
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Confirmed. The test is
local operatortable = { }
operatortable.Do = function(scanner,info)
local resources = info.resources
if resources then
local val = scanner:pop()
local name = val[2]
local xobject = resources.XObject
print(info.space .. "Uses XObject " .. name)
local resources = xobject.Resources
if resources then
local newinfo = {
space = info.space .. " ",
resources = resources,
}
pdfscanner.scan(entry, operatortable, newinfo)
end
end
end
local function Analyze(filename)
local doc = pdfe.open(filename)
if doc then
local pages = doc.Pages
for i=1,#pages do
local page = pages[i]
local info = {
space = " " ,
resources = page.Resources,
}
print("Page " .. i)
-- pdfscanner.scan(page.Contents,operatortable,info)
pdfscanner.scan(page.Contents(),operatortable,info)
end
end
end
Analyze("foo.pdf")
--
luigi
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