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2018-05-17Update third_party/base/compiler_specific.h.Lei Zhang
Import Chromium's base/compiler_specific.h from r537069. Now that FALLTHROUGH is available via compiler_specific.h, remove FX_FALLTHROUGH. Change-Id: I8b9631a4f007673e10e0c26951dfd61e9dcada30 Reviewed-on: https://pdfium-review.googlesource.com/32639 Reviewed-by: Nico Weber <thakis@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Move JBig2 HuffmanTables into JBig2_HuffmanTable.cppNicolas Pena
This CL changes the table information so it can be indexed, and allows moving all of the information to the CJBig2_HuffmanTable implementation, which is the only real user of the data. Change-Id: I88780bee32c8509198518fd3b1e82d68ae7ff707 Reviewed-on: https://pdfium-review.googlesource.com/32635 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-16Add support for PartionRealloc to return nullptrRyan Harrison
Currently the PartitionRealloc code path will only exit, with no option to return nullptr on failure, unlike PartitionAlloc code path. This CL refactors the realloc code path to be similar to alloc code path, following the upstream patch: https://chromium-review.googlesource.com/c/chromium/src/+/1044971 This also changes the version of realloc exposed to third party C libs to have the nullptr behaviour, like the exposed version of alloc. This CL is a redo of https://pdfium-review.googlesource.com/c/pdfium/+/31990 BUG=chromium:783022 Change-Id: Ib1b659079585dfd0423d683b8a2c7b6758a22a01 Reviewed-on: https://pdfium-review.googlesource.com/32613 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Chris Palmer <palmer@chromium.org>
2018-05-16Remove some more unused #definesTom Sepez
Bug: pdfium:1085 Change-Id: I62c526ae865f0cadfddd2e75a616bce73de0f88d Reviewed-on: https://pdfium-review.googlesource.com/32632 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-16Do more optimizations to make FindBit() faster.chromium/3433Lei Zhang
Change-Id: Ibbc020393e38405f9d1cb0d483ef875777d4e721 Reviewed-on: https://pdfium-review.googlesource.com/32650 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Use pdfium::span<> in cpdf_crypto_handler.hTom Sepez
Remove some unused args along the way. Change-Id: I234a674d4d6cc79b33087bc850f5df36bae25870 Reviewed-on: https://pdfium-review.googlesource.com/32596 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-16Avoid a memset() in FindBit() in the fax codec.Lei Zhang
FindBit() is called frequently by other fax codec code. Use 16 more bytes of space to store the two possible values memset() can set. Change-Id: Ibeb549c44928bbb468ac4eb4cef2d9339cf6490d Reviewed-on: https://pdfium-review.googlesource.com/32630 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Use pdfium::span<> in cpdf_creator.Tom Sepez
Change-Id: I959fe5dc30fcfe2176c7e5a64b07d082313a22b4 Reviewed-on: https://pdfium-review.googlesource.com/32595 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-16core: allow building against system icu-ucMiklos Vajna
Use the system ICU header when USE_SYSTEM_ICUUC is defined. Change-Id: Ieeb0e4a11ae86da871644dd0fd84de07e9917fde Reviewed-on: https://pdfium-review.googlesource.com/32490 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Cleanup CPDF_ContentParserDan Sinclair
This CL cleans up the CPDF_ContentParser code. The m_bIsDone flag has been removed and a kComplete stage added. Each of the processing methods returns the next stage instead of setting the internal flag automatically. The infinite loop is removed for simpler straight line code. Change-Id: Id817a5fa054e28c331c68c63ec2c12b369cb0233 Reviewed-on: https://pdfium-review.googlesource.com/32611 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-16Use pdfium::span<> in CPDF_EncryptorTom Sepez
Provides more lifetime/bounds checking "for free". Change-Id: Ifaf7a95c0f6f288777cd6ef35996e01b3dc4bc63 Reviewed-on: https://pdfium-review.googlesource.com/32594 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-16Remove CFX_BidiLineDan Sinclair
The CFX_BidiLine class is just a thin wrapper to hold a set of methods. This CL moves the methods into the anonymous namespace and calls them directly from FX_BidiLine. Change-Id: Iea2ba178fb08339445702c9af4251f3c8ba2beb6 Reviewed-on: https://pdfium-review.googlesource.com/32617 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-16Verify bidi pos is within range before accessingDan Sinclair
This CL verifies that the provided BidiPos is within the acceptable size for the vector before accessing. Bug: chromium:843100 Change-Id: I2955a3ca628b19ee51dd4233726b859729c125af Reviewed-on: https://pdfium-review.googlesource.com/32593 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-15Cap size of exponent when converting floatsDan Sinclair
When detecting the exponent on a floating point number, cap the maximum amount we'll multiply by otherwise we can get excessivly large numbers. Bug: chromium:843074 Change-Id: I6a8d1b4c20b66e305d2727f464119b1e74beb699 Reviewed-on: https://pdfium-review.googlesource.com/32570 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-15Break CPDF_CotnentParser::Continue into piecesDan Sinclair
This CL separates the parts of CPDF_ContentParser::Continue into three distinct methods. It clarifes when and what is returned from Continue. Change-Id: Id7a9bf1aa16f366f567cce74006c27c452cb5dcc Reviewed-on: https://pdfium-review.googlesource.com/32531 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-15Lower the limit of image dimensions for fax codecs.chromium/3432Lei Zhang
Use the same limit as JBIG2 codecs. BUG=chromium:834633 Change-Id: I11d12c841e10ab48fd85df792bf8a034fe40493c Reviewed-on: https://pdfium-review.googlesource.com/32514 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-15Read data in bigger chunks in fax codec code.Lei Zhang
In case there are long runs of data to be skipped, FindBit() runs much faster reading and comparing 8 bytes at a time. BUG=chromium:834633 Change-Id: Ifc7b348d123c5a72cf09fbf53d764075f8abfba0 Reviewed-on: https://pdfium-review.googlesource.com/32513 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-15Return earlier in CPDF_TextPage::ProcessInsertObject() when possible.Lei Zhang
Change-Id: Ibc446d9f4606d29f997ee3521f31f0fbcf1ad84b Reviewed-on: https://pdfium-review.googlesource.com/32176 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-15Simplify various functions in CPDF_TextPage.Lei Zhang
Break out parts of ProcessTextObject() into helper functions. Change-Id: I76ad141728ce77e8d24d7dc9635722d670663f39 Reviewed-on: https://pdfium-review.googlesource.com/32175 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-14Cleanup CPDF_Form parsing codechromium/3431Dan Sinclair
This CL folds the StartParse() method of CPDF_Form into the ParserContent method. The no arguments ParseContent is removed and ParseContentWithParams renamed to ParseContent. The callsites are updated to pass the nullptr's. Bug: chromium:813349 Change-Id: I304b77aef1de1b9aa20e4a3044db5023f5701584 Reviewed-on: https://pdfium-review.googlesource.com/32511 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-14Use internal wcstof instead of system wcstod in formcalc lexerDan Sinclair
This CL switches the usage of wcstod to use the FXSYS_wcstof to determine if a given string is a valid floating point number. Using the internal method makes linux slightly slower (10's of ms) makes mac a lot faster 900ms to 60ms for the test case in the bug. The FXSYS_wcstof method has been extended to handle the parsing of float exponents. Unittests were added for FXSYS_wcstof. Bug: chromium:813646 Change-Id: Ie68287a336e3b95a0c0b845d5bf39db6fc82b39c Reviewed-on: https://pdfium-review.googlesource.com/32510 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-14Merge some values of JBig2_ResultNicolas Pena
This CL merges some of the values of JBig2_Result. The only checks are against Success and EndOfFile || EndOfPage, so we only need three values: Success, EndReached, and Failure (for anything that does not match either of those two). Change-Id: I552c54f2d70aa8e8bf52702dab4dfc00d528ef76 Reviewed-on: https://pdfium-review.googlesource.com/32393 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-11Reland "Filter out "Type" and "DecodeParms" from trailer keys."Henrique Nakashima
This reverts commit 466bd4f4e0cb2bc2a7b3626948609268c52c4690. Reason for revert: On closer inspection, it seems the test is not flaky, and the root cause of the failure is an SEH exception, which is the true source of flakiness. Other tests are also affected. Original change's description: > Revert "Filter out "Type" and "DecodeParms" from trailer keys." > > This reverts commit 5f7c5be8b7072d46e8d8088a1ec14370ecfad44c. > > Reason for revert: New test is flaky, ID is not stable. > > Original change's description: > > Filter out "Type" and "DecodeParms" from trailer keys. > > > > Bug: pdfium:873 > > Change-Id: I12ae5b8776f5a73c4be81bed53ada05c94d46882 > > Reviewed-on: https://pdfium-review.googlesource.com/32190 > > Reviewed-by: dsinclair <dsinclair@chromium.org> > > Commit-Queue: dsinclair <dsinclair@chromium.org> > > TBR=dsinclair@chromium.org,hnakashima@chromium.org > > # Not skipping CQ checks because original CL landed > 1 day ago. > > Bug: pdfium:873 > Change-Id: I642771e12c61181c7b81681dae7b2f5549c14b18 > Reviewed-on: https://pdfium-review.googlesource.com/32430 > Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> > Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> TBR=dsinclair@chromium.org,hnakashima@chromium.org Change-Id: I2552729610c9f8adf02c70a2a43e2383ceda19b5 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: pdfium:873 Reviewed-on: https://pdfium-review.googlesource.com/32397 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-11Revert "Filter out "Type" and "DecodeParms" from trailer keys."Henrique Nakashima
This reverts commit 5f7c5be8b7072d46e8d8088a1ec14370ecfad44c. Reason for revert: New test is flaky, ID is not stable. Original change's description: > Filter out "Type" and "DecodeParms" from trailer keys. > > Bug: pdfium:873 > Change-Id: I12ae5b8776f5a73c4be81bed53ada05c94d46882 > Reviewed-on: https://pdfium-review.googlesource.com/32190 > Reviewed-by: dsinclair <dsinclair@chromium.org> > Commit-Queue: dsinclair <dsinclair@chromium.org> TBR=dsinclair@chromium.org,hnakashima@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: pdfium:873 Change-Id: I642771e12c61181c7b81681dae7b2f5549c14b18 Reviewed-on: https://pdfium-review.googlesource.com/32430 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-11Use more smart pointer types in CPDF_DIBSource.Tom Sepez
Use one std::vector<>, too. As a result, make GetDecodeAndMaskArray() update that member directly rather than forcing callers to assign to it each time. Change-Id: I51a039b9e8cce7ff885edf395622eaf6a5c4816a Reviewed-on: https://pdfium-review.googlesource.com/32313 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-10Fixup ASSERT in Bidi handling; Add bidi fuzzer.Dan Sinclair
This CL converts several asserts in the FX_Bidi code to continue instead of asserting in the face of unexpected input. A BIDI fuzzer has been added as well. Bug: chromium:839695 Change-Id: If61f822bde7442c008d50be58f7cecffb6e5d658 Reviewed-on: https://pdfium-review.googlesource.com/32191 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-10Clean up post review commentsRyan Harrison
Cleaning up some nits that came in after my previous codec CL had gone into the CQ. BUG=pdfium:1080 Change-Id: I3845136d370f73c9c96ef732e95b8cf0c9c79d91 Reviewed-on: https://pdfium-review.googlesource.com/32351 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-10Add CPDF_Transparency.Lei Zhang
Encapsulates transparency status instead of having it be a raw int. Change-Id: I8b10dafa97da112795cf84c46cf416a0294551d5 Reviewed-on: https://pdfium-review.googlesource.com/32194 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-10Fix destruction order in CPDF_Dibsource.Tom Sepez
The order of the elements in the header is correct, but we were clearing it early in the destructor itself. Bug: 840695 Change-Id: I1585722fed8dc672ffd5e1dc9a1eea1c7c80f310 Reviewed-on: https://pdfium-review.googlesource.com/32311 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-10Remove a completeness check from CJBig2_GRRDProc::DecodeTemplate0OptNicolas Pena
https://pdfium-review.googlesource.com/c/pdfium/+/18333 introduced several checks to prevent timeouts in JBig2. One of these is breaking the PDF in the bug, so this CL removes that check. Bug: chromium:841200 Change-Id: Ia75c699b7fddc26f0353b0d64349898c4d1f744d Reviewed-on: https://pdfium-review.googlesource.com/32250 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-05-10Do not build BMP when codec is disabledRyan Harrison
Currently all of the BMP related code is being built when support for the codec is disabled, it just isn't being utilized. Depending on the settings being used, this unneeded code may or may not get stripped during linking. This CL explicitly turns off building the BMP codec code if support for BMP is turned off. BUG=pdfium:1080 Change-Id: I56d40639a5a3631f9c601a1eef3f98873feac94f Reviewed-on: https://pdfium-review.googlesource.com/32370 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-09Use enum class instead of int in CJBig2_Contextchromium/3426Nicolas Pena
This CL changes CJBig2_Context return methods as follows: * Internal methods return JBig2_Result instead of int. * Public methods return a bool (for success/failure) instead of int. In a followup, several of the enum class values may be merged together since they are not all needed. Change-Id: Ifdab83b8037262370cd7c4a80e94aa94d59aa589 Reviewed-on: https://pdfium-review.googlesource.com/32310 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-05-09Add proper const/non-const versions of CPDF_Array methods.Lei Zhang
Instead of having const methods that return non-const pointers. BUG=pdfium:234 Change-Id: I61495543f67229500dfcf2248e93468e9a9b23cf Reviewed-on: https://pdfium-review.googlesource.com/32183 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-09Add proper const/non-const versions of CPDF_Object methods.Lei Zhang
Instead of having const methods that return non-const pointers. BUG=pdfium:234 Change-Id: I598e9b4f267f702e2e71001cfe3aa3c9e9d8c12f Reviewed-on: https://pdfium-review.googlesource.com/32182 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-09Split the MaybeOwned CPDF_Dictionary in CPDF_FlateEncoder.Lei Zhang
The owned copy needs to be modified, so it should be non-const. Whereas the unowned copy can be const. Add a GetClonedDict() method for accessing the modifiable dictionary. Change-Id: Ia7f6bcc5f917864cd1bbc7b5000a86f6e433ae9a Reviewed-on: https://pdfium-review.googlesource.com/32181 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-09Do not build GIF when codec is disabledRyan Harrison
Currently all of the GIF related code is being built when support for the codec is disabled, it just isn't being utilized. Depending on the settings being used, this unneeded code may or may not get stripped during linking. This CL explicitly turns off building the GIF codec code if support for GIF is turned off. This also catches a few missed cases from previous CLs. BUG=pdfium:1080 Change-Id: Ie7fe2d894d2ae2f8f36ae05e0ff256f2ce6ef8d4 Reviewed-on: https://pdfium-review.googlesource.com/32330 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-09Do not build PNG when codec is disabledRyan Harrison
Currently all of the PNG related code is being built when support for the codec is disabled, it just isn't being utilized. Depending on the settings being used, this unneeded code may or may not get stripped during linking. This CL explicitly turns off building the PNG codec code if support for PNG is turned off. BUG=pdfium:1080 Change-Id: I9c5247145fcadbcb1bd2243aa83350304ba421ff Reviewed-on: https://pdfium-review.googlesource.com/32270 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-09Mark numerious pointers as const.Lei Zhang
They are mostly CPDF_Object* and derived classes, but others that should be are marked const as well. Change-Id: Ib3344d7d8db90940df8edc97c0dd6c59da080541 Reviewed-on: https://pdfium-review.googlesource.com/32180 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-09Add constants for PDF 1.7 spec, table 7.13.Lei Zhang
BUG=pdfium:1049 Change-Id: I3a589fe51f2e584dc130ba31faa144d4494a1b08 Reviewed-on: https://pdfium-review.googlesource.com/32179 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-09Break backcolor code out of CPDF_RenderStatus::LoadSMask().Lei Zhang
Fix some nits in the code in the process. Change-Id: I660b3bf547823a11bc291ed2dd1ec19a76b24b5b Reviewed-on: https://pdfium-review.googlesource.com/32178 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-09Make memory usage in CJBig2_HTRDProc::DecodeImage() O(1).Lei Zhang
Instead of allocating an N-pixel array to store some temporary values, just use a single integer. BUG=chromium:840728 Change-Id: I7a0ff83d814eff127033f25020a7c398db3c2062 Reviewed-on: https://pdfium-review.googlesource.com/32290 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-09Do not build TIFF when codec is disabledRyan Harrison
Currently all of the TIFF related code is being built when support for the codec is disabled, it just isn't being utilized. Depending on the settings being used, this unneeded code may or may not get stripped during linking. This CL explicitly turns off building the TIFF codec code if support for TIFF is turned off. It also fixes cases in the code base where tif was being used instead of tiff. BUG=pdfium:1080 Change-Id: If6aaa8af5160fdd5b261e63bab7d5984196efcc9 Reviewed-on: https://pdfium-review.googlesource.com/32193 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-05-09Filter out "Type" and "DecodeParms" from trailer keys.Henrique Nakashima
Bug: pdfium:873 Change-Id: I12ae5b8776f5a73c4be81bed53ada05c94d46882 Reviewed-on: https://pdfium-review.googlesource.com/32190 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-08Mark CPDF_Object pointers as const in CPDF_ViewerPreferences.Lei Zhang
Work up the short call stack and mark FPDF_PAGERANGE as an opaque const pointer. Also fix CPDF_ViewerPreferences::GenericName() to return an optional string. Change-Id: I2356d38888fcff8d4da37dd3efc17b284ff90485 Reviewed-on: https://pdfium-review.googlesource.com/32174 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-08Remove almost all usages of CFX_FixedBufGrow with std::vectorNicolas Pena
Tested by running safetynet_compare.py on this patch vs master. The results were 0 regressions and 0 improvements. The two remaining usages cannot be replaced because they would cause a regression. Bug: pdfium:177 Change-Id: I43eddf4ffaac2eb063f2004d6606bc3cd6e627ac Reviewed-on: https://pdfium-review.googlesource.com/32159 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-05-08Remove PDFTRANS_KNOCKOUT.Lei Zhang
No code actually checks to see if it is set. Change-Id: I37631713d568f116df1c0495ffd7d7d64ddce69a Reviewed-on: https://pdfium-review.googlesource.com/32186 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-08Add constants for PDF 1.7 spec, table 7.2 and 7.3.Lei Zhang
Add constants/transparency.h. The header lists constants from chapter 7 of the PDF spec. BUG=pdfium:1049 Change-Id: I66bd6fceb24807eec9c308e2e47cec3f2f836ffb Reviewed-on: https://pdfium-review.googlesource.com/32177 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-08Split CCodec_FlateScanlineDecoder in two.Lei Zhang
Move the predictor code into the CCodec_FlatePredictorScanlineDecoder sub-class. Change-Id: I5a56ba5e051cf55e8fdd039bd38089684ed257be Reviewed-on: https://pdfium-review.googlesource.com/31272 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-08Simplify more code in CPDF_TextObject.Lei Zhang
- Move code into a GenerateSpace() function. - Break apart some font size conversions. Change-Id: I4d5ea112fc004a31ac38b7c19ff77fcbfe764d38 Reviewed-on: https://pdfium-review.googlesource.com/32157 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-08[fm2js] Create fewer CFX_WideTextBuf classesDan Sinclair
This CL modifies the formcalc transpiler to create less CFX_WideTextBuf classes as we convert to JavaScript. This can take some pathalogical formcal from 20sec to convert to .5sec. Bug: chromium:834575 Change-Id: I428883297bbc3a6a325a4ab0ad51834f2f02ab82 Reviewed-on: https://pdfium-review.googlesource.com/32154 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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