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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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Created with the 'scripts/runcmapdump.sh' script.
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Remove UTF8 and UTF32 CMap resources that are not needed for PDF.
Add Identity-H and Identity-V resources.
Process UCS2/UTF16 and GBK CMaps to usecmap a common subset.
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A dumping script written in python.
A flattening script written in python (for easier editing).
A subsetting script written in shell to minimize CMaps by reusing subsets.
Use 'mutool cmapdump' to bootstrap or verify cmap dumps.
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Also remove useless pdf_new_null and pdf_new_bool functions.
Use the PDF_NULL, PDF_TRUE, and PDF_FALSE macros instead.
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Add a PDF_NAME(Foo) macro that evaluates to a pdf_obj for /Foo.
Use the C preprocessor to create the enum values and string table
from one include file instead of using a separate code generator tool.
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Belt and braces:
1) Don't attempt to close a NULL output stream.
2) If an output stream is NULL when we do close it, don't SEGV.
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Previously if an xref entry looked like:
0000000000 65535 f
1 0 n
2
the xref entry parsing would try to access the scratch buffer
outside of the part populated by the read leading to possibly
using uninitalized data.
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I did not foresee the case where a transparency groups color
space could be a Cal color space. I had always thought of them
as only be source color spaces not destination color spaces.
This commit makes sure that we have the equivalent ICC profile
when the destination is a Cal space.
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Stray line, presumably a merge edit failure.
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Increment the value after adding the mapping, not before.
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Force the face_flags to include TRICKY if we detect a DynaLab font
name instead of trying to force hinting ourselves.
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Also update the comment in the code to mention the
optional encoding argument.
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Previously these were not set to NULL, which caused
spurious segmentation errors.
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While running 'ensure_space', we can drop and retake the alloc lock.
This can enable other threads to perform store operations, which can
trigger reaps.
When reaps happen, fz_item's are discarded. This is particularly bad
when ensure_space happens to be holding onto a pointer to one (prev).
The fix, implemented here, is to move items out of the store list
(and hash table), and put them onto a local 'to_be_freed' list.
Once on this local list we can be sure that they won't be found
by other threads doing store operations, and they can be safely
freed from there (dropping/retaking the lock as required).
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If Bitmap.lockPixels fails with an allocation error, scavenge in
the store.
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If a call to Bitmap_lockPixels() fails, then previously we
would have continued on blindly and tried to use it anyway.
Now, spot failures and return so we get a java exception.
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Ken reports that a VS2008 import of the projects fails with
complaints about __restrict whereever stdlib.h is included.
Fix the #ifdeffery so that we don't mess with it on VS2008.
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The strdup function is not part of the strict C++ standard.
Use gnu++0x instead of c++0x when building Harfbuzz, which uses
this function.
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Use pdf_dict_put_* convenience functions.
Use pdf_dict_get instead of pdf_dict_gets with constant strings.
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Create a new empty dictionary, add it to the xref and return
a new indirect reference object that points to it.
This indirect reference needs to be dropped, since it was
created with a function using the 'new' keyword.
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pdf_dict_put_dict creates a new empty dictionary, inserts it
into the parent dictionary, and returns a borrowed reference to it.
These functions should simplify document creation by removing the
need to wrap creation with try/catch for reference counting cleanup.
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Does not layout the table boxes properly yet.
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