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Use a sed script to strip comments and whitespace and add escapes
and quote it as a C string literal.
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js_pcall was leaving crap on the stack in case of errors.
AFSimple_Calculate needs access to the doc object, but cannot use the
usual 'this' binding since it's a function. Add a global reference to
the doc object MuPDF_Doc.
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Currently, every PDF name is allocated in a pdf_obj structure, and
comparisons are done using strcmp. Given that we can predict most
of the PDF names we'll use in a given file, this seems wasteful.
The pdf_obj type is opaque outside the pdf-object.c file, so we can
abuse it slightly without anyone outside knowing.
We collect a sorted list of names used in PDF (resources/pdf/names.txt),
and we add a utility (namedump) that preprocesses this into 2 header
files.
The first (include/mupdf/pdf/pdf-names-table.h, included as part of
include/mupdf/pdf/object.h), defines a set of "PDF_NAME_xxxx"
entries. These are pdf_obj *'s that callers can use to mean "A PDF
object that means literal name 'xxxx'"
The second (source/pdf/pdf-name-impl.h) is a C array of names.
We therefore update the code so that rather than passing "xxxx" to
functions (such as pdf_dict_gets(...)) we now pass PDF_NAME_xxxx (to
pdf_dict_get(...)). This is a fairly natural (if widespread) change.
The pdf_dict_getp (and sibling) functions that take a path (e.g.
"foo/bar/baz") are therefore supplemented with equivalents that
take a list (pdf_dict_getl(... , PDF_NAME_foo, PDF_NAME_bar,
PDF_NAME_baz, NULL)).
The actual implementation of this relies on the fact that small
pointer values are never valid values. For a given pdf_obj *p,
if NULL < (intptr_t)p < PDF_NAME__LIMIT then p is a literal
entry in the name table.
This enables us to do fast pointer compares and to skip expensive
strcmps.
Also, bring "null", "true" and "false" into the same style as PDF names.
Rather than using full pdf_obj structures for null/true/false, use
special pointer values just above the PDF_NAME_ table. This saves
memory and makes comparisons easier.
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Purge several embedded contexts:
Remove embedded context in fz_output.
Remove embedded context in fz_stream.
Remove embedded context in fz_device.
Remove fz_rebind_stream (since it is no longer necessary).
Remove embedded context in svg_device.
Remove embedded context in XML parser.
Add ctx argument to fz_document functions.
Remove embedded context in fz_document.
Remove embedded context in pdf_document.
Remove embedded context in pdf_obj.
Make fz_page independent of fz_document in the interface.
We shouldn't need to pass the document to all functions handling a page.
If a page is tied to the source document, it's redundant; otherwise it's
just pointless.
Fix reference counting oddity in fz_new_image_from_pixmap.
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Split functions out of pdf-form.c that shouldn't be there, and make
javascript initialization explicit.
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Adds simpler choice of Javascript library to makefiles.
Will prefer in order: MuJS, JavaScriptCore, V8, none based
on HAVE_MUJS, HAVE_JSCORE, and HAVE_V8.
For simplicity, we build mujstest even with no javascript implementation.
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0.4 is not exactly representable using floats, and libjs uses a different
atod function than v8.
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Use a fixed number for Math.random().
Return a fixed date for Date.now() and Date.UTC().
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Make the scoping clearer, since Javascript doesn't have block scoping.
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String.prototype.substr() is deprecated.
RegExp.prototype.compile() has never been part of the ECMA standard,
and is deprecated in Mozilla's Javascript since 1.5 (at least).
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Arrays are intended for numeric arrays, since they have the magic
updating of their "length" property which regular objects lack.
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We are testing this using a new -p flag to mupdf that sets a bitrate at
which data will appear to arrive progressively as time goes on. For
example:
mupdf -p 102400 pdf_reference17.pdf
Details of the scheme used here are presented in docs/progressive.txt
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Remove the fz_context field to avoid the structure growing.
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