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2018-07-03Remove a parameter from CPDF_SyntaxParser::FindTag().Lei Zhang
The limit parameter is always set to 0. Change-Id: Idf7f44e1c5a895e05ad474932d3e9df85f435e3f Reviewed-on: https://pdfium-review.googlesource.com/36990 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Avoid duplicate data buffering in CPDF_SyntaxParser::ReadStream().Artem Strygin
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>
2018-07-03Test {Byte,Wide}String works with std::begin().Tom Sepez
Test-only CL. Building another container from the string in the manner in the test is desirable. Change-Id: I8f41aecfd82fd27f8b9af159b887b66b566f9ac7 Reviewed-on: https://pdfium-review.googlesource.com/36910 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-03Do data request for CPDF_Stream more smoothly.Artem Strygin
For DocumentLoader we should do reconnect to skip non-requested blocks on each requested offset jump. To reduce reconnections, read stream data first, then do all checks. Thereby the DocumentLoader will continue loading data without reconnections. Change-Id: I344d045e59c5de9e1a4aed0002ea122caa92f240 Reviewed-on: https://pdfium-review.googlesource.com/13450 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-07-03Use unowned ptr in cpdf_stream_accTom Sepez
Change-Id: Ide081e462c83a5a209a2e6462dd12b298993f36f Reviewed-on: https://pdfium-review.googlesource.com/36850 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Forward declare CPDF_SyntaxParser when possible.Lei Zhang
Change-Id: Ib9b30f7f4e1c41b0e2e2c1757252736599055c96 Reviewed-on: https://pdfium-review.googlesource.com/36870 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-07-03Use GetPos() and SetPos() in CPDF_SyntaxParser::ReadStream().Lei Zhang
Change-Id: I711508cdffd9756837657390d73b88c2d8c62db5 Reviewed-on: https://pdfium-review.googlesource.com/36891 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Fix indentation in CPDF_SyntaxParser.Lei Zhang
Change-Id: I293730ea5981ba8e2dca7a522b9036fa62d7cd35 Reviewed-on: https://pdfium-review.googlesource.com/36890 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-02Virtualize Observable<T>::ObservedPtr::OnDestroy() for CPDF_Avail cleanupTom Sepez
This enables more complicated cleanup when an observed object is destroyed. Use it to make documents observable and to allow the CPDF_Avail to cleanup without the need for intermediate class. Change-Id: I3a8e758b7ff542e0a58710eff1ac8017205cbd45 Reviewed-on: https://pdfium-review.googlesource.com/36373 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-02Use std::vector<float> in cpdf_expintfunc.cppTom Sepez
Fix some {} along the way. Change-Id: I5277c03328b63e0cead058fc07dc65311d7b97b0 Reviewed-on: https://pdfium-review.googlesource.com/36791 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-07-02Access a span properly in DetectSRGB().Lei Zhang
Change-Id: Ifeaac7141bd377daa9cf657149937be22b2aa48a Reviewed-on: https://pdfium-review.googlesource.com/36730 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-07-02Check for more integer overflows in CJBig2_TRDProc.Lei Zhang
BUG=chromium:859284 Change-Id: I41ce5de4cca0a863dc6e60b64fd69d36c2672a64 Reviewed-on: https://pdfium-review.googlesource.com/36790 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-07-02Use std::vector in one more place in cpdf_colorspace.cppTom Sepez
Change-Id: Ifbce02a65b68b0526866d5a08a9edf58bd89e434 Reviewed-on: https://pdfium-review.googlesource.com/36792 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-02Comment some raw pointers that cant become UnownedPtr<>.Tom Sepez
These appear in compile-time const data. Adding the comment makes it easier to see what work remains when using grep. Change-Id: Ibb5fe920dc9fc99dd4c866f9ddf800a58f6a67a8 Reviewed-on: https://pdfium-review.googlesource.com/36690 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-02Add pdfium::Vector2D<>()Tom Sepez
Many of the FX_Alloc's that have not been converted to std::vector are using FX_Alloc2D and the safe math it performs under the covers. Make an equivalent function for returning a vector to avoid burdening callers with the safe math equivalents. Use it in one place. Change-Id: Ie4a280351b7370b755f2a1928f8b2d84fe007c03 Reviewed-on: https://pdfium-review.googlesource.com/36770 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-29Use pdfium::span with CPDF_IccProfile and friends.Lei Zhang
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>
2018-06-29Remove out param from CCodec_IccModule::CreateTransform_sRGB().Lei Zhang
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>
2018-06-29Add ScopedCmsProfile.Lei Zhang
Using this unique_ptr avoids the need for explicit cmsCloseProfile() calls in CCodec_IccModule::CreateTransform_sRGB(). Change-Id: I5b2d5d9800ea344aceb0ed5c6b745a2925bab9c9 Reviewed-on: https://pdfium-review.googlesource.com/36632 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-06-29Clean up CLcmsCmm.Lei Zhang
Make members const and private. Fix nits. Change-Id: I945bc26438f8fbd6904dc1b15513ab9e51170dc7 Reviewed-on: https://pdfium-review.googlesource.com/36631 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-06-29Delete dead code in CCodec_IccModule.Lei Zhang
Change-Id: I711654cfb1ab43a5d17afbe6f877c1860dd1b7f0 Reviewed-on: https://pdfium-review.googlesource.com/36630 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-06-29Better determine if ICC colorspaces can be used for blending.Lei Zhang
Implement CPDF_ColorSpace::IsNormal() and check it when rendering. While IsNormal() is trivial for most colorspaces, it needs to be implemented separately for ICC colorspaces. This fixes a rendering regression from commit 1c0de38c. BUG=chromium:847346 Change-Id: Iaafed3f8ee40b26ac2cbfbdf2251407f7935311b Reviewed-on: https://pdfium-review.googlesource.com/36571 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-29Limit image size in CJBig2_PDDProc.Lei Zhang
CJBig2_PDDProc internally creates a CJBig2_GRDProc to create an image. If the image is too big, then processing it can use up too much memory. BUG=chromium:857106 Change-Id: I06a9eaed6941be1cbb7481d21048e6a1681696b7 Reviewed-on: https://pdfium-review.googlesource.com/36490 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-06-29Clean up CJBig2_PDDProc.Lei Zhang
Change-Id: Ia83ac5dae0dedf55f1b0f0cf2a728c64474f72db Reviewed-on: https://pdfium-review.googlesource.com/36450 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-06-29Implement CPDF_HintsTable::PageInfo.Artem Strygin
Merge page info data from Hints Table into CPDF_HintsTable::PageInfo class. Change-Id: I468996346ee153e3fa8ada6a83770614362d1b92 Reviewed-on: https://pdfium-review.googlesource.com/15813 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-28Use unique_ptr in ccodec_tiffmodule.cppTom Sepez
Change-Id: I9c829a09a1c5ecdf011b1a9804a65e77b0e199b7 Reviewed-on: https://pdfium-review.googlesource.com/36371 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-06-28Use spans and std::unique_ptrs in fx_codec_flate.cppTom Sepez
Also avoid needless use of void* in place of actual type. Also free context with free function corresponding to its allocator, in case the m_ functions change down the road. Change-Id: I384f6b309c2522eb0faafbe73b94cc3bf582dbb8 Reviewed-on: https://pdfium-review.googlesource.com/36370 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-06-28Replace DCHECKs with ASSERTs.Lei Zhang
Change-Id: I0f2bf1cb44b4cba872a719f0a75d8776f413812c Reviewed-on: https://pdfium-review.googlesource.com/36250 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-28Use UnownedPtr for document within CPDF_XXXAvail.Artem Strygin
Change-Id: I9ded1664564c330132f43047293e18696d77fc7d Reviewed-on: https://pdfium-review.googlesource.com/36310 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-06-27Remove useless code.Artem Strygin
No longer needed after commit 20eca1e3 Change-Id: Ica4f67d2a2df760ebf9fd507283791271ad407cd Reviewed-on: https://pdfium-review.googlesource.com/36351 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-27Remove CPDF_Parser::ParseIndirectObjectAtByStrict().Lei Zhang
Commit 0145b89a removed the only caller. Change-Id: Ib3b7eaa0bc8be986f7d290f1efaea519d68daf6b Reviewed-on: https://pdfium-review.googlesource.com/36251 Reviewed-by: Art Snake <art-snake@yandex-team.ru> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-27Add fxcrt::AutoRestorer<T>::AbandonRestoration().chromium/3475Tom Sepez
Kinda like reaching a commit point, makes going forward more useful. Change-Id: I7695b6e627d4cd8ed2bccb667d0cabd7f42c7b1c Reviewed-on: https://pdfium-review.googlesource.com/35970 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-27Remove unused m_bGif* fields from CFX_DIBAttributeTom Sepez
Two are completely unused, and two are set but never referenced. Change-Id: I0173123e33a4240aef9ed24aaee9e1df6cf9aa0a Reviewed-on: https://pdfium-review.googlesource.com/36290 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-27Rework of loading of CPDF_Document.Artem Strygin
Improve CPDF_Document interface. Fix relationship between CPDF_Document and CPDF_Parser. This CL changes CPDF_Document to internally create the CPDF_Parser and removes the need for the CPDF_Parser to know about the CPDF_Document. Change-Id: Iec7aef19575c90f30b9a6c919dfd4f4417e4caf2 Reviewed-on: https://pdfium-review.googlesource.com/35630 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-27Use spans and UnownedPtrs in cjpx_decoder.hTom Sepez
Change-Id: I1c9f8221ce7a0e42407e93deec481be2e941cfde Reviewed-on: https://pdfium-review.googlesource.com/36210 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-27Implement CPDF_CrossRefTableArtem Strygin
Change-Id: I5ac61ab323adb5eec2de8660064fff95ee877b5e Reviewed-on: https://pdfium-review.googlesource.com/35432 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2018-06-26Use UnownedPtr<> in cpdf_streamcontentparserchromium/3474Tom Sepez
Change-Id: I558ac625d842d1b3d9dfdaf4d7661d4c02c6244a Reviewed-on: https://pdfium-review.googlesource.com/36133 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-26Use UnownedPtr<> in CPDF_FontTom Sepez
Change-Id: I5dc72c48ffd50836dd8c6a21e23568bc8703ee5a Reviewed-on: https://pdfium-review.googlesource.com/36132 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-26Use unowned ptr in CPDF_CmapTom Sepez
Change-Id: Id6551957405605cf273d5d100b6db9c27ecc6e7c Reviewed-on: https://pdfium-review.googlesource.com/36131 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-26Use pdfium::span<> in cpdf_fontglobals.hTom Sepez
Required moving some sizes to .h file for default construction of spans from c-style arrays. Change-Id: I45c42103f3575bc83e57a085ad4e8f16698468d3 Reviewed-on: https://pdfium-review.googlesource.com/36190 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-26Add some more consts to unowned pointers.Tom Sepez
Ideally, unowned ptrs might well be const, as updating something through an unowned reference is best avoided. Change-Id: Ida8111ffe0ee1e30bbf6b7718b0929dfb5cafdff Reviewed-on: https://pdfium-review.googlesource.com/36050 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-26Use pdfium::span in CPDF_CID2UnicodeMap.Tom Sepez
Change-Id: Ie63f622674d9085fa45642c15e7ee8b22ca98555 Reviewed-on: https://pdfium-review.googlesource.com/36130 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-26Simplify CPDF_Parser::RebuildCrossRef.Artem Strygin
Use CPDF_SyntaxParser to read data, instead manual cache. Simplify merging trailers logic. Change-Id: Icaa569f1082cde6dc9437a375c5c27e187fd6c79 Reviewed-on: https://pdfium-review.googlesource.com/35431 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-26Unify CPDF_Document loading methods.Artem Strygin
Change-Id: Ibf7aee942027adace7ec0831aefe0fe8c28e41cc Reviewed-on: https://pdfium-review.googlesource.com/35610 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-26Add test which verify, that "Info" from linearized doc is correctly saved.Artem Strygin
Change-Id: Ib0ee1c2b0a2def650711c87b4eb04a9f88470944 Reviewed-on: https://pdfium-review.googlesource.com/35550 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-26Implement CPDF_ObjStream.Artem Strygin
It is allow do not store raw objects streams within CPDF_Document for reduce memory usage. Change-Id: I4377bd5119d87314e76f14255171618cf6ee533d Reviewed-on: https://pdfium-review.googlesource.com/35430 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2018-06-26Make CPDF_Document::m_pRootDict an UnownedPtr<>.Tom Sepez
In turn, this requires making some of the tests use an indirect root dictionary so as to satisfy the lifetime requirements. Change-Id: Ibdbe294a76200d4486134e5848c169a6c2d802bf Reviewed-on: https://pdfium-review.googlesource.com/36110 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-26Fix uninit value in CFX_CSSComputedStyle::InheritedData.Lei Zhang
BUG=chromium:856054 Change-Id: Ieacb7be324f290c91623ed1bd97744150fbfa6e7 Reviewed-on: https://pdfium-review.googlesource.com/36090 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-25Clean up CPDF_StreamContentParser::AddTextObject().chromium/3473Lei Zhang
Change-Id: I1794848607f2db3f1ef39dbd221b7219feb9254c Reviewed-on: https://pdfium-review.googlesource.com/35990 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-25Combine common code into CPDF_RenderStatus::ClipPattern().Lei Zhang
Change-Id: I53ce4ee699644b0a30132e642b8f466cd9b6e7b1 Reviewed-on: https://pdfium-review.googlesource.com/35972 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-25Make DrawRadialShading() slightly more compact.Lei Zhang
Change-Id: Ic0e528d01338a349deb1ee5a91372b132959e4ae Reviewed-on: https://pdfium-review.googlesource.com/35971 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>