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Images were missing a space, hence giving errors.
SVG text gets confused by leading (and repeated) whitespace, so elide it.
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This bug has been in here for ages, but was masked by a bug in the
gel clipping that was fixed by Tor earlier.
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The case with infinite scissor didn't work.
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Thanks to "willus" for pointing out this problem.
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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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Stupid windows debugger doesn't show stdout/stderr anywhere in
non console apps, so add code to make errors/warnings visible.
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Windows is stupid and doesn't display stderr/stdout in the debugger.
Update Memento so that messages will appear there too.
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Thanks to zeniko for spotting the problem here.
Type 3 fonts contain a reference to the resources objects required
to render the glyphs. Traditionally these have been freed when the
font is freed. Unfortunately, after recent changes, freeing a PDF
object requires the pdf_document concerned to still exist.
While in most cases the type 3 resources are not used after we have
converted the type3 glyphs to display lists, this is not always the
case. For uncachable Type 3 glyphs (such as those that do not
completely define elements in the graphics state that they use, such
as color or line width), we end up running the glyphs at interpretation
time.
[ Interpretation time = when doing a direct render on the main thread,
or when creating a display list - so also on the main thread. No
multi-threading issues with file access here. ]
The fix implemented here is for each pdf document to keep a list of
the type3 fonts it has created, and to 'decouple' them from the
document when the document is destroyed. The sole effect of this
decoupling is to remove the resources (and the PDF operator buffers)
from the font. These are only ever used during interpretation, and
no further interpretations are possible without the document being
alive anyway, so this should have no net effect on operation, other
than allowing cleanup to proceed cleanly later on.
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We need to have it as a prefix, not a postfix now, but it should
work on both gcc and MSVC now.
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Thanks to zeniko for spotting these problems.
When we close a document, purge the glyph cache to ensure that
no type3 glyphs hang around with pointers to pdf_obj's that
are now gone.
Pass doc to pdf_new_obj_from_str rather than NULL. We believe
that the reason this needed to be NULL is no longer valid.
Also, revert to using an int for ref counts.
In a quick test of our regression suite we only found 2 files
that ever made a refcount > 256 (and they never got larger than
768), but the potential is there for issues. Reverting to an
int until we can think of a better idea.
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Had to rejig the thumb entry/exit veneers to allow for NDK_PROFILER
operation, but this seems to have negated the need for Core2.mk, so
removed that here.
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Match our naming conventions.
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