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When creating a png, a typo meant that we ALWAYS converted the pixmap
even when we had an rgb or grayscale image on entry. Also, treat
mask pixmaps (no colorspace) as gray.
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Also:
add hooks for the other link types
remove unnecessary protocol from MuPageViewReflow
turn off optimizations for the debug build
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Ink attachments of more than 512 points can run us out of local
references. Fix this by freeing as we go.
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The new code yields the same result as that that it replaces, but might
be easier to understand.
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Also add exception handling around library calls
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Set the hint in mudraw when AA bits is set to 0.
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The bug fix added in the previous commit fails to work in this
case (hang-9527.pdf) because the matrix is not invertible and
hence the clipping rectangle ends up infinite. Spot this case
here and return early.
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The first file of this bug (hang-66.pdf) hangs while stroking a
VERY long line segment; so long that 'used' is sufficinetly large
that:
used += dash_segment_len
doesn't result in a change in the value of used. The fix is
to clip strokes to the edge of the gel's clip area, meaning
that this should never occur.
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In order to prevent this from breaking again, a fz_write_options struct
with default values is allocated locally and used whenever fz_opts is
NULL.
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Currently, MuPDF throws away entire CCITT encoded images whenever an
error happens in the code stream. Other PDF readers seem to rather
render what has been decoded up to the point of the error. This patch
enables such behavior for MuPDF as well.
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SumatraPDF's testsuite uses Targa images as output because they're
compressed while still far easier to compare than PNG and have better
tool support than PCL/PWG.
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* unreachable code in fz_generate_transition
* signed/unsigned comparison in get_comp_index
* potential dataloss due to conversion from int to short in ucdn_mirror
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* Destination names are a name and not a string
* Expose whether a /Launch action points to a path or a URI
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TIFF images containing JPEG data only require color transformation for
CYMK data streams. For RGB streams, this could lead to unexpected
results.
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FZ_CMD_CLIP_TEXT behaves quite differently whether the accumulate flag
is set or not (see fz_list_clip_text). fz_run_display_list handles this
correctly but fz_append_display_node doesn't do so yet.
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This is required e.g. for 1798_-_zlib_incorrect_data_check.pdf .
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If /Encrypt is not present on an updated xref of an encrypted document,
that document can no longer be opened. This is required for incremental
saving.
Note: Streams aren't encrypted by pdf_write_document and can't thus
currently be appended to an encrypted document. In that case, saving
non-incrementally will produce a working (non-encrypted) document.
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fz_read used to return a negative value on errors. With the
introduction of fz_try/fz_catch, it throws an error instead and
always returns non-negative values. This removes the pointless
checks.
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For Separation and DeviceN colorspaces, the initial color value is 1.0
for all components instead of 0.0 as for most other colorspaces. The
current initialization in pdf_set_colorspace initializes for CMYK which
happens to work for all non-tint colorspaces.
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Thanks to Zaister for reporting this.
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Also fix a race condition where an attempt to set the zoom might precede
the loading of html into the WebView
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At end of gesture all pages are refreshed so that newly-becoming-visible
pages appear at the correct zoom.
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With the latest version if iOS, timing changes were causing crashes
during close down of a MuDocumentController. This change isolates
us from those changes.
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In streams that we cannot seek in (such as flate ones) we implement
seeking forward by skipping bytes. We failed to spot that we hit EOF,
and spent ages just looping. Fix is simply to spot that we hit EOF
and bale with a warning.
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When we read a '>' during lexing, we try to read another char to see
if it's another '>'. If not, we warn that it's unexpected, put the char
back and retry.
Putting the char back fails if the '>' was the last char in the stream
as we will then have read EOF. We then loop and reread the '>' resulting
in an infinite loop. Simple fix is to check for EOF.
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This was causing an infinite loop.
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The pdf_ versions were already correct. Probably just an
oversight that this was missed.
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This can occur early on during xref repair.
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Now use one-time allocation of page-sized bitmaps
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This fixes 2258_-_invalid_transparency_group_colorspace.pdf
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Required for 1879_-_Indexed_colors_wrongly_converted.pdf
Also, removing broken code in the same place (where mat->v[] is
overwritten right after being set in the L*a*b* case).
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This progresses among others Bug689803.pdf and
Alternate_colorspace_for_ICCBased_not_supported.pdf
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This is required e.g. for 2314 - jpeg tables in tiff.xps.
This folds fz_open_resized_dct back into fz_open_dct instead of adding
further variations for calls with and without the jpegtables argument.
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If opening a filter in pdf_open_crypt throws, the stream is closed in
the used fz_open_* method and thus mustn't be closed again.
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Strip stupid project build settings.
Add proper "make generate" target that uses the 'macosx' sdkroot.
Rewrite cross compile build script to be more future proof.
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There is the possibility of marking an object dirty via one indirection
and testing it via another. This patch ensures that is handled
correctly. The scenario occurred within calc.pdf and stopped the update
of the display field.
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