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Classes marked |final| should not have |protected| members. In turn,
"private field m_dwEncryptObjNum is not used" warning is produced.
Change-Id: I51a96aca5a5f499381a6764d892962f7f2dc0327
Reviewed-on: https://pdfium-review.googlesource.com/42611
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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When parsing happens in several steps (in pages with > 100 page
objects), the position is reset to 0 and the start pointer is
advanced. This breaks the calculation of which stream an object
belongs to.
Passing in the base pointer separately from the start offset allows
the correct position to be calculated and the correct stream to be
identified.
Change-Id: Ic0d5f59f437609158aa97b3c8a18dbd48cd3b0d4
Reviewed-on: https://pdfium-review.googlesource.com/42270
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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Branches can be dirty when a library sync'ed with gclient sync is
removed from DEPS and from .gitignore. The library will be removed
by "gclient sync --force".
Change-Id: I19fa4a3f13989edb41cd671fd412cc67e67819eb
Reviewed-on: https://pdfium-review.googlesource.com/42211
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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This overwrites deps that are dirty, fixing an issue with deps that are
removed in the "after" branch but not in the "before" branch.
Change-Id: I1c905dc46522455ad160a6fd57fbab979c42162e
Reviewed-on: https://pdfium-review.googlesource.com/42191
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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This reverts commit aaff8f8b902ac3058b44b0f11a236df606082383.
Reason for revert: does not fix the problem, I'll fix in another way
Original change's description:
> Discard deps that are not sync'ed anymore in safetynet_compare.py.
>
> The job is currently blocked by the tools/gyp directory, which is being
> downloaded in the "before" branch, but is not ignored anymore in the
> "after" branch, making it an uncommited change.
>
> Change-Id: I9aca33e2046fbbe2626431febcbbdbebe1937f3b
> Reviewed-on: https://pdfium-review.googlesource.com/42110
> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
TBR=thestig@chromium.org,hnakashima@chromium.org,rharrison@chromium.org
Change-Id: I840004d0d9c8d83340fdd0b4d701859cc628f9e6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://pdfium-review.googlesource.com/42190
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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The job is currently blocked by the tools/gyp directory, which is being
downloaded in the "before" branch, but is not ignored anymore in the
"after" branch, making it an uncommited change.
Change-Id: I9aca33e2046fbbe2626431febcbbdbebe1937f3b
Reviewed-on: https://pdfium-review.googlesource.com/42110
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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Bug: pdfium:1140
Change-Id: I306b7be5ea2732742e90e416f58c11bcaf8cbaf6
Reviewed-on: https://pdfium-review.googlesource.com/41770
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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The bug also requires end circle to be tiny (radius of < 0.01).
Bug: pdfium:1140
Change-Id: I2b355f44f0383334b8988fe41f82cb3f587e9909
Reviewed-on: https://pdfium-review.googlesource.com/41672
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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Test UnownedPtr<> and RetainPtr<>. We cannot operate against
std::unique_ptr<> because we need a copyable type. Add test for
self-reassignment on going out of scope. Move one test helper
class to testing/ so it can be shared among unit tests. Allow it
to recognize if it ever gets "destroyed", otherwise we can't be
sure Retain/Release applied in the correct order.
Change-Id: I13056094c70079f7283cbc7600948f81a64874b4
Reviewed-on: https://pdfium-review.googlesource.com/41690
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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Change-Id: Iff900bc3e1cd9c9dd6b023230c1feba78759581c
Reviewed-on: https://pdfium-review.googlesource.com/41710
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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Change-Id: Ie344bb37abf7dde158d03cc2897dca3588f1a5e3
Reviewed-on: https://pdfium-review.googlesource.com/41550
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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Currently if a text extraction region begins on a non-printing
character then "" will be returned. This is the incorrect behaviour,
instead the call should scan ahead until a printing character is
found and start extracting from there. Also proactively adds a
similar check and scan for the end of the extraction region.
BUG=pdfium:1139
Change-Id: Ia2001ac89740f3d31d2bb69e8000773f8b01091b
Reviewed-on: https://pdfium-review.googlesource.com/41532
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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Then revert the ones that break compilation.
Fix one IWYU noticed during presubmit.
Change-Id: I881a8a72818e55dbc4816247e35ff5e3015194e7
Reviewed-on: https://pdfium-review.googlesource.com/41470
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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https://chromium.googlesource.com/v8/v8.git/+log/9cf8abb7ce7e..ff6b34b468c1
This updates V8 to 6.8.44.
There has been changes to how JS handles timezones. [1] Update the test
expectations to match the new behavior, even though it deviates from
Acrobat, which still has the old behavior.
BUG=pdfium:1075
[1] https://github.com/tc39/ecma262/pull/778
Change-Id: I63f0df9cd423ceee5b8d1008ba12a47ca84bbd6d
Reviewed-on: https://pdfium-review.googlesource.com/41450
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
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$SEND_EVENTS should not have been put in quotes.
Change-Id: Ia6bf7d1ac463c320c0afccf819becbb0cebf13ab
Reviewed-on: https://pdfium-review.googlesource.com/41330
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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Conversion to span makes this more elegant in a number of places,
owing to std::vector directly converting to span, and the bytestring's
ToRawSpan().
Disambiguate single-argument forms to allow passing {} as
an argument.
Change-Id: Ibd5eaadca8d8cbbd589338f375c7ee8439fd3eb2
Reviewed-on: https://pdfium-review.googlesource.com/41272
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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In text like document title 0x001B is used as a marker for the
beginning/end of a language metadata section. Currently PDFium does
nothing with this data, but when returning the 'decoded' text it needs
to be stripped out.
The existing code assumed that the two bytes following a marker would
be the data to be removed and did nothing to track if it was in/out of
one of these regions. This led to a situation where it would always
strip the two bytes following the region, since it assumed the end
marker was the beginning of a new region.
This CL corrects the detection and handling of these regions, and adds
a regression test for the reported bug.
BUG=pdfium:182
Change-Id: I92ddba5666274a8986fed03f502a0331f150f7ac
Reviewed-on: https://pdfium-review.googlesource.com/41070
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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Bug: pdfium:1135
Change-Id: Iea16a65a5eebcb914192eb49de17a2c4eda83320
Reviewed-on: https://pdfium-review.googlesource.com/40690
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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Defer upscaling as late as possible so that intermediary data
structures are smaller.
Made a couple of changes along the way to preserve the barcode
correctness and fix some padding issues.
For my example, this is a ~21x improvement in rendering time, down
from ~190ms per barcode to ~9ms.
Bug: 872907, pdfium:1135
Change-Id: If532e0f168f02fea9c31d473f34c0009da4f4612
Reviewed-on: https://pdfium-review.googlesource.com/40010
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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This is useful for debugging and validation purposes. The hashes that
are in BarcodeTest are not necessarily for valid outputs.
This CL refactors the code in embedder_test.png that already does this,
moving it to testing/utils where unit tests can access it too.
Bug: pdfium:1135
Change-Id: I6f1d70a4e133f8f04dbe52646087f99c448e95f8
Reviewed-on: https://pdfium-review.googlesource.com/40152
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Reduce the logical size of the barcode by removing unnecessary
region duplication.
As far as I can tell, the line thickness is useless and the aspect
ratio causes arbitrary changes in rounding, but ultimately the
dimensions of a barcode are defined by its width and height, rather
than by this ratio.
The improvement with this CL is from ~580ms to ~390ms per barcode,
so about 1.5x. Combined with
https://pdfium-review.googlesource.com/c/pdfium/+/40010
the improvement is to ~15ms, which is about 39x.
This also fixes the rendering of the barcode in the pixel and
corpus tests. You can verify this pointing a barcode reader app at
the screen. It does not however fix every case, as the unit test is
still unreadable.
Bug: 872907, pdfium:1135
Change-Id: Ic28e60f54719552cfe69ace7ebc3f730c338a129
Reviewed-on: https://pdfium-review.googlesource.com/40030
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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Replace it with CFX_ReadOnlyMemoryStream, which does the same thing.
Take some checks from CFX_BufferSeekableReadStream and add them
CFX_ReadOnlyMemoryStream.
Change-Id: I25554c3aec3ec96967f8df16ca68a64dba121b6f
Reviewed-on: https://pdfium-review.googlesource.com/40070
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
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Bring in line with standards.
Remove argument entirely for mac code that is always nullptr.
Change-Id: I0710bdbd51fc0bc2e1d428ef44976be39a631147
Reviewed-on: https://pdfium-review.googlesource.com/40091
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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Change-Id: Id097320ab2d9b5d1579582e5797e29c701499501
Reviewed-on: https://pdfium-review.googlesource.com/39991
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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More const pointers, less const_casts.
BUG=pdfium:263
Change-Id: I47fc6d8f2f837390e40ad22d8b67946065294eaa
Reviewed-on: https://pdfium-review.googlesource.com/39879
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
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Change-Id: I91c55632627bb9cc0d6b61ae1004db1343d6bff2
Reviewed-on: https://pdfium-review.googlesource.com/39910
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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This CL adds a proxy, FXSYS_time, for the time syscall, so that a
testing mechanism can be implemented. Specically there is now a flag
for pdfium_test, --time=, that allows setting the time since the epoch
that will be returned. This plumbed all the way down into the proxy
and allows for stable results for tests that depend on getting the
current time.
There are other places in the code base that will need to be patched
like this, that will be dealt with in follow on CLs.
BUG=pdfium:1104
Change-Id: I2de185f8d47abe46704dd579c13a54948b7f81e0
Reviewed-on: https://pdfium-review.googlesource.com/39750
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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Because the argument to Decode() can be const. Part of the ongoing
war against const_cast<>.
Change-Id: I3a8402277dbfc4fd80b1dd60225de57b732713f8
Reviewed-on: https://pdfium-review.googlesource.com/39832
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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No matter how the dimensions might be determined, we know the
hard end of the source line, and can use it for a bounds check.
We expect the size is quantized to a multiple of m_stride, so
as long as each block operates within an m_stride, the initial
check should be sufficient.
Bug: 867501
Change-Id: Iaf9936557b856f3eb09fef522f3e6738aa4f38f0
Reviewed-on: https://pdfium-review.googlesource.com/39310
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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BUG=pdfium:1024
Change-Id: If7e00eb4f6ebf6499be20e88bfc9b2ac35f2d797
Reviewed-on: https://pdfium-review.googlesource.com/39390
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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This follows the same pattern as DefaultGetFaceName(), so the client has
to call this function twice, but allocation of the string buffer happens
outside pdfium.
Change-Id: I06b7dcd00aca9b9b94799dad3f139617d7f5451e
Reviewed-on: https://pdfium-review.googlesource.com/38870
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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BUG=chromium:828177
NOTRY=true
Change-Id: I94de26cf74b27b7c71795a2ee189c9c6b4c56ac6
Reviewed-on: https://pdfium-review.googlesource.com/38903
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Change-Id: Ib9e20fdfc637b2ba0358586e23ad72454b0b8ad1
Reviewed-on: https://pdfium-review.googlesource.com/38851
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Sample PDF:
https://yadi.sk/d/oWLtAEfy3YbEb3
For offsets, equal to the hint stream offset, added hint stream
length to determine the actual offset, because linearization
inserted the hint stream at the original location of the object.
Also the number of bits needed to represent the numerator of
the fractional position for each shared object reference may be
zero, if each shared group contains only one object with obj num,
incremented on 1.
Change-Id: I4754d603f388354821e8d0cac97ad99a7578fe4b
Reviewed-on: https://pdfium-review.googlesource.com/36610
Commit-Queue: Art Snake <art-snake@yandex-team.ru>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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Also add stream lengths.
Change-Id: I7a1f565f941f9100058fab0f1ddde5471318f4d3
Reviewed-on: https://pdfium-review.googlesource.com/38350
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
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Isolates are long-lived, but this may catch a few things.
Introduce CFX_V8IsolateDeleter for unique_ptr<v8::Isolate> usage.
Fix Dispose()/SetIsolate(nullptr) ordering in cjs_runtime.cpp
Remove one unused isolate member.
Flip protected -> private in one place.
Change-Id: I26cdd120f799192e93b0d9d04dcde8f348dc21f3
Reviewed-on: https://pdfium-review.googlesource.com/37931
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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This is a reland of 77f15f7883638a4ced131d74c053af10a5970ce9
Original change's description:
> Avoid duplicate data buffering in CPDF_SyntaxParser::ReadStream().
>
> Allow sub-streams created from an IFX_SeekableReadStream to provide
> stream data without copying memory.
> The data will only reside in the top-level stream.
>
> For example:
> For file
> http://www.major-landrover.ru/upload/attachments/f/9/f96aab07dab04ae89c8a509ec1ef2b31.pdf
> (18 Mb)
>
> The memory usage is reduced by ~13 Mb.
>
> Change-Id: I2595c014d0fbe1fdd181cc04965cfd7d901c2d88
> Reviewed-on: https://pdfium-review.googlesource.com/35930
> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
> Reviewed-by: dsinclair <dsinclair@chromium.org>
Change-Id: I4c4d5dcf42ff44784468ac7a7c302df509fc804d
Reviewed-on: https://pdfium-review.googlesource.com/37313
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Art Snake <art-snake@yandex-team.ru>
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To find out the number of sub-objects a form object has, similar to how
FPDFPage_CountObjects() does it for page objects.
Change-Id: I7e5775dece42b74fd5b71b1d9622a1aa37bf64ac
Reviewed-on: https://pdfium-review.googlesource.com/37316
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Reviewed-by: Nicolás Peña Moreno <npm@chromium.org>
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Bug: pdfium:1118
Change-Id: I2e9adaae64cba5b3915c19f3c99743cddbe58736
Reviewed-on: https://pdfium-review.googlesource.com/37371
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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This reverts commit 77f15f7883638a4ced131d74c053af10a5970ce9.
Reason for revert: Causes crbug.com/860210
Bug: chromium:860210
Original change's description:
> Avoid duplicate data buffering in CPDF_SyntaxParser::ReadStream().
>
> Allow sub-streams created from an IFX_SeekableReadStream to provide
> stream data without copying memory.
> The data will only reside in the top-level stream.
>
> For example:
> For file
> http://www.major-landrover.ru/upload/attachments/f/9/f96aab07dab04ae89c8a509ec1ef2b31.pdf
> (18 Mb)
>
> The memory usage is reduced by ~13 Mb.
>
> Change-Id: I2595c014d0fbe1fdd181cc04965cfd7d901c2d88
> Reviewed-on: https://pdfium-review.googlesource.com/35930
> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
> Reviewed-by: dsinclair <dsinclair@chromium.org>
TBR=tsepez@chromium.org,dsinclair@chromium.org,art-snake@yandex-team.ru
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: I947fca17052765935a952a4f25ca48f6599c4af9
Reviewed-on: https://pdfium-review.googlesource.com/37210
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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Allow sub-streams created from an IFX_SeekableReadStream to provide
stream data without copying memory.
The data will only reside in the top-level stream.
For example:
For file
http://www.major-landrover.ru/upload/attachments/f/9/f96aab07dab04ae89c8a509ec1ef2b31.pdf
(18 Mb)
The memory usage is reduced by ~13 Mb.
Change-Id: I2595c014d0fbe1fdd181cc04965cfd7d901c2d88
Reviewed-on: https://pdfium-review.googlesource.com/35930
Commit-Queue: Art Snake <art-snake@yandex-team.ru>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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This allows deciding if FPDFPageObj_GetFillColor() or
FPDFPageObj_GetStrokeColor() should be used to get the effective color
of a text object.
Change-Id: Ic6e99a9eb8512b164756da8b5fcd8cd7771271ae
Reviewed-on: https://pdfium-review.googlesource.com/36750
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Change-Id: I88d3e86a1dad75ef9c6bfb3401af6606479031a7
Reviewed-on: https://pdfium-review.googlesource.com/36634
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Its return value contains the same data.
Change-Id: I2bf4e72faf978e5d491bec573babc8099cda4e5a
Reviewed-on: https://pdfium-review.googlesource.com/36633
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Improve the .evt mechanism to accept mouse clicks with modifiers
(such as shift).
Bug: pdfium:1105
Change-Id: I6e9c2c1f66b7fde250b55b41ccdf115a311f44f7
Reviewed-on: https://pdfium-review.googlesource.com/36091
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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Change-Id: I52d7b9692c19af1aafab7d572d0a274726bd37f5
Reviewed-on: https://pdfium-review.googlesource.com/35911
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Change-Id: Idfc1c2282cc9318d1135f360ff03d99e27105127
Reviewed-on: https://pdfium-review.googlesource.com/35910
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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- Changes the URL to retrieve baselines which returns the
baselines based on the issue number (if available)
- Compare against a single baseline (instead of multiple)
- Writes the results of comparing to the baselines to a
separate output file that can then be parsed by the
recipe code.
See complementary CLs:
https://skia-review.googlesource.com/c/buildbot/+/131923
https://chromium-review.googlesource.com/c/chromium/tools/build/+/1085853
Change-Id: I90cdd77d0d26e63a5e686f4862fc68dc9c4429d3
Reviewed-on: https://pdfium-review.googlesource.com/33772
Commit-Queue: Stephan Altmueller <stephana@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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Many of these are converting ByteString => c_str => ByteStringView, since
the ByteStringView ctor is implicit. This is unfortunate, since that
involves a strlen() which the ByteString already knows if we use
AsStringView() instead.
This changed one test result where we can now return the string
"\0" instead of "" -- since strlen no longer eats the NUL. This
seems consistent, say, with String.fromCharCode().
Change-Id: I17f68d1a1f4b352960208f9148e68ab4c4d78bd2
Reviewed-on: https://pdfium-review.googlesource.com/35590
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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Setting an upper limit to the size of images being processed in the
JPX fuzzer to reduce timeouts due to images just being really big.
Also cleaned the types for passing pitch down to reduce the signedness
conversions.
BUG=chromium:834561
Change-Id: I28b7a2537a922ed7a9ca2f8ed049ae78dd471f49
Reviewed-on: https://pdfium-review.googlesource.com/35570
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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