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2018-03-05Change return types for some rendering Start/Continue methods.Lei Zhang
Either return a bool or a CPDF_DIBSource::LoadState. Explain what the bool return value means. Change-Id: I6346d0cd61d5faee5290df181cfff3b9e4d5d84e Reviewed-on: https://pdfium-review.googlesource.com/27851 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-05Add CPDF_DIBSource::LoadState enum class.Lei Zhang
Change-Id: I97819912e564e4b52fcdae4ce7f865188fb1a520 Reviewed-on: https://pdfium-review.googlesource.com/27850 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-01Break up CFX_DIBSource::ConvertBuffer().Lei Zhang
Change-Id: If93b4782016c7f27c1533417d019f3271c807941 Reviewed-on: https://pdfium-review.googlesource.com/27813 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-01Fix some nits in CFX_DIBSource::CloneConvert().Lei Zhang
Change-Id: I25c16b7159d168bd6deb4fd9936bb242d7e8c590 Reviewed-on: https://pdfium-review.googlesource.com/27812 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-02-26Shrink some tables and kill dead code in xfa.Tom Sepez
Change-Id: Ic1260417e7d1475dd518655b2ab08f0184955d88 Reviewed-on: https://pdfium-review.googlesource.com/27170 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-02-26Get rid of some static variables.Tom Sepez
These are generally cheap enough to compute as needed, rather than keeping around in memory all the time (plus the memory for the static flag the compiler generates to check if initialized). Change-Id: If3a5365521f6a7781e66fb11f04883a5c673ee11 Reviewed-on: https://pdfium-review.googlesource.com/27150 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-02-26Add some more missing consts.chromium/3356Tom Sepez
Get things out of the .data section. Change-Id: I375cf00186a3d5d8d10f5d147bd4b692f5db3683 Reviewed-on: https://pdfium-review.googlesource.com/27130 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-02-22Add namespaces to duplicated Skia code.Jonathan Feinberg
When pdfium is imported into Google's internal repository, the recently copied Skia decimal formatting code causes only-defined-once violations because many Google internal projects depends on Skia through Google's own copy. This patch puts pdfium's private copy of the needed function into a namespace. Change-Id: Id102b17f6f4652e4a50c4ff75825468fc3d90727 Reviewed-on: https://pdfium-review.googlesource.com/27530 Reviewed-by: Hal Canary <halcanary@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-02-16Correct mapping text to characters for characters missing from fontRyan Harrison
When parsing text streams there is an internal character list that is generated of all the characters in the stream. Additionally a text string is generated that is exposed via the public API. This string will have all of the printing, i.e. non-control characters, in it. For characters that are not in the font of the stream the unicode, but printable, the character 0xFFFE is used in the text to indicate a missing character. This a non-printing character to indicate non-unicode. The internal character list gets a Unicode value 0x0 when there isn't a glyph in the font for it and the original character code is preserved. This means that when generating the mapping between text string and character list, the code is mistakenly thinking that the unprintable character was not present in the text string. I have changed the check in the mapping generation code to correctly account for this. Additional investigation is needed to determine if inserting 0xFFFE in the text is the correct behaviour. This patch resolves an issue where the find highlights in Chrome for a PDF would be offset when there are unprintable characters in a stream. BUG=pdfium:1010 Change-Id: I7547c46c5645e039a4b5138f2ce1137fa31990a5 Reviewed-on: https://pdfium-review.googlesource.com/27051 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-16Fix more fallthroughs before reenabling -Wimplicit-fallthrough.Henrique Nakashima
Change-Id: Ic1d5a250fc00d6767cee7eee1b2d74d5e1caa2bb Reviewed-on: https://pdfium-review.googlesource.com/27050 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-02-16Add ASSERT to check OOB m_CharCodesNicolas Pena
It seems m_CharCodes is in rare cases being corrupted, this CL adds ASSERTS to catch whether the corruption is due to out-of-bounds element access. Bug: 782215 Change-Id: I555ad1ccc2de3c35b2e06496f7216fba770f0759 Reviewed-on: https://pdfium-review.googlesource.com/27030 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-02-16Implement operator<< for CFX_Rect and CFX_RectF.Henrique Nakashima
This is for debugging, so gated by #ifndef NDEBUG. Also make label the printed values to make them clear and differentiate top>bottom and bottom>top rect systems. Change-Id: I2d816b6b8b1be5fb5464630e771d200f2534917e Reviewed-on: https://pdfium-review.googlesource.com/26911 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-02-16Fix fallthroughs in XFA code.chromium/3350Henrique Nakashima
Change-Id: I1fd4bf85cd709de1c14ed2895d045018f79bc61f Reviewed-on: https://pdfium-review.googlesource.com/26950 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-02-16Improve performance of writing path floats.Dan Sinclair
This CL copies the SkPDF code to convert floats into strings when writing back to PDF files. Change-Id: I8f8af3924a07aa67f93b9d951af1eef5d2c705db Reviewed-on: https://pdfium-review.googlesource.com/21990 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Hal Canary <halcanary@chromium.org>
2018-02-15Make the CFX_XMLNode a MaybeOwned pointerDan Sinclair
This CL removes the HasOwnXML flag from the CXFA_Node objects and instead uses a MaybeOwned pointer to keep track of the XML nodes. Change-Id: Ie678258247ec21ecb15c639647b189e140586d25 Reviewed-on: https://pdfium-review.googlesource.com/26811 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-02-15Correctly seek when header size is larger then expectedchromium/3349Ryan Harrison
BUG=chromium:811733 Change-Id: Idce50b8ea4ca06fc77d5b3931557cd1d6fe48bd5 Reviewed-on: https://pdfium-review.googlesource.com/26710 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-14Check that the request was satisfied in ReadDataRyan Harrison
Currently the BMP decompressor doesn't verify the returned data length was the amount requested. This means we may end up with part of our structure uninitialized if we didn't copy in enough data. This CL verifies the length of data copied is the size we require. BUG=chromium:811853 Change-Id: I20e0e9b3ff1176a620fcb38c3c7e585848b7e428 Reviewed-on: https://pdfium-review.googlesource.com/26850 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-02-14Pdfium: Allow negative font sizes for PostScript printingrbpotter
Bug: chromium:806746 Change-Id: I0b642c457c55d828dd48988eadfc5fa964de1216 Reviewed-on: https://pdfium-review.googlesource.com/26630 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
2018-02-13Change return value of GetAvailInputRyan Harrison
This changes the return value from uint32_t to FX_FILESIZE, which is the type the methods is uses return. The existing code does an unguarded static cast, so something like -1 could cause a very large value being returned. This change has a cascading impact up to the top of the progressive codec, which now has to handle negative values gracefully. Change-Id: I813fb71e932dd5da014dbaed0dbf3bb28f8d4e9f Reviewed-on: https://pdfium-review.googlesource.com/26450 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-02-13Add last_child to CFX_XMLNodeDan Sinclair
This CL adds the list_child_ member into CFX_XMLNode to keep it consistent with other tree's in the system. Change-Id: I2e64f11fb9c7df40dd3467edcce177fc492d2cd2 Reviewed-on: https://pdfium-review.googlesource.com/26670 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-02-13Split CFX_XMLNode::SaveXMLNode apartDan Sinclair
This CL removes the switch from SaveXMLNode and moves the required code into override methods in the child classes. The method is renamed from SaveXMLNode to just Save. Change-Id: I2011b80525e99635c573b4e0cf977e94f6b7cea6 Reviewed-on: https://pdfium-review.googlesource.com/26590 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-02-13Cleanup CFX_XMLNode pointersDan Sinclair
This CL cleans up hte CFX_XMLNode pointers. Each pointer has been renamed to make the usage clearer, the NodeItems method has been removed in favour of distinct accessors and the node pointers have been made private. Change-Id: I5459a77a0ae93b08741a0cd59266ef9c81ddad75 Reviewed-on: https://pdfium-review.googlesource.com/26550 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-02-13Cleanup CFX_XMLDoc::SaveXMLNodeDan Sinclair
The CFX_XMLDoc::SaveXMLNode method is almost an exact copy of the CFX_XMLNode::SaveXMLNode. This CL removes the XMLDoc variant and calls the XMLNode method directly. This Removes the need to pass the CXFA_DocumentParser into CXFA_Document and we can instead pass in the CXFA_FFNotify object directly. Change-Id: Ic3c8c66375483fe73b44dd84064a1b71b039d61c Reviewed-on: https://pdfium-review.googlesource.com/26530 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-02-13Cleanup CFX_XMLNode and friendschromium/3347Dan Sinclair
This CL removes unused methods from CFX_XMLNode, adds an AppendChild to handle the case of a -1 index to InsertChildNode, removes the InsertChildNode return value which is unused and cleans up various other things. Change-Id: I3a022e4dc2afffa6893ad11014034dd7ed301f13 Reviewed-on: https://pdfium-review.googlesource.com/26510 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-02-12Fix signedness in CJBig2_HuffmanTable, and add overflow checkNicolas Pena
Bug: 808902 Change-Id: Iad5ab63eeedc3ea85001337ba73626178c71f8b8 Reviewed-on: https://pdfium-review.googlesource.com/26470 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-02-12Convert CFX_BmpDecompressor to use CFX_MemoryStreamRyan Harrison
This also adds a Seek method to CFX_MemoryStream BUG=pdfium:1007 Change-Id: I2c7e1d3b6d8aff36e302014cb2e8ffc0f23ef7c4 Reviewed-on: https://pdfium-review.googlesource.com/26230 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-02-12Rearrange allocator functions to avoid unreachable codeDaniel Bratell
FX_AllocOrDie, FX_AllocOrDie2D and FX_ReallocOrDie contained unreachable code which in jumbo builds with some Visual Studio versions/configurations resulted in a compiler warning. By reordering the code, the unreachable code can be removed. Bug: pdfium:964 Change-Id: I8c040a31ea6af0ca896d8f68297e263719d6bdfa Reviewed-on: https://pdfium-review.googlesource.com/26190 Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-02-10Renable -Wimplicit-fallthrough for PDFium.Nico Weber
Didn't find any bugs, but also doesn't require much boilerplate. Bug: TODO Change-Id: I5f30183c55216f1333c79fcb46476d281720873e Reviewed-on: https://pdfium-review.googlesource.com/26210 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nico Weber <thakis@chromium.org>
2018-02-09Use CFX_Size in CPDF_Page and fpdf_ppo.cpp.Lei Zhang
Instead of having separate floats for width and height. Also remove some out parameters and just return them instead. Change-Id: I798b1453910c89477d422dcb7c0805b90823bf98 Reviewed-on: https://pdfium-review.googlesource.com/26090 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Shirleen Lou <xlou@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-02-09Get rid of EmbedderTest::RenderPageDeprecated().Lei Zhang
Change-Id: I8c6d813e488b2612a85fb1973382f979728df563 Reviewed-on: https://pdfium-review.googlesource.com/25571 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-02-07Remove some deprecated RenderPage method usage.Lei Zhang
Do some additional checks in test cases where pages were rendered but the resulting bitmap was immediately destroyed. Change-Id: I2f4678140cdc672ab4ced70f748135464447ff59 Reviewed-on: https://pdfium-review.googlesource.com/25510 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-02-07Clean up RenderPage methods in EmbedderTest.Lei Zhang
Add replacement methods that make themselves clear as to what they are rendering, and return unique_ptrs to help prevent leakage. Mark existing methods deprecated. Change-Id: I9055407e614dfbe765428fb32a7da64df3418d1d Reviewed-on: https://pdfium-review.googlesource.com/25470 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-02-07Check that request sizes in ReadData don't overflowRyan Harrison
When a very large, bogus value, was being passed in for the number of bytes to read, this could cause an overflow in the check for if there is data available. BUG=chromium:809824 Change-Id: I54af6655b61d39275f3ae6fabb27be2bee3fef05 Reviewed-on: https://pdfium-review.googlesource.com/25871 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-06IWYUMike Reed
Change-Id: I79c756153608a345f27c7ccac8009bf68512dba8 Reviewed-on: https://pdfium-review.googlesource.com/25790 Commit-Queue: Mike Reed <reed@google.com> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-02-06Break unneeded dep on Bmp codec in Gif codecRyan Harrison
BUG=pdfium:1006 Change-Id: I84d2a13ac7b24e7f2f5cba8765d6433860241b58 Reviewed-on: https://pdfium-review.googlesource.com/25710 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-06Account for skip size before getting image ifh sizeRyan Harrison
BUG=chromium:808336 Change-Id: I84443a00e2ebaf0a1e8590464486ec92bcb0e3b5 Reviewed-on: https://pdfium-review.googlesource.com/25690 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-06Extract classes in fx_bmp.h into their own filesRyan Harrison
BUG=chromium:808336 Change-Id: I3201805a374b5403149eca701714ef4369a2e337 Reviewed-on: https://pdfium-review.googlesource.com/25630 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-06Convert BMP class name style to match other codecsRyan Harrison
BMPDecompressor -> CFX_BmpDecompressor CBmpContext -> CFX_BmpContext BUG=chromium:808336 Change-Id: If8ef5294171e3619ae1d7c5175ddf23b7673ec78 Reviewed-on: https://pdfium-review.googlesource.com/25611 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-06Move core/fxcodec/lbmp/ -> core/fxcodec/bmp/Ryan Harrison
BUG=chromium:808336 Change-Id: Id721787dd77d1bcac6daf6e3c149f79e8d1d9fe4 Reviewed-on: https://pdfium-review.googlesource.com/25610 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-06Changing the member naming style in BMPDecompressorRyan Harrison
Currently there is no indication in the name of it being a member variable and the capitalization is inconsistent. This CL brings them all into line with Chromium style. BUG=chromium:808336 Change-Id: Iaed0272b69350f316371a67eb513934a0169f451 Reviewed-on: https://pdfium-review.googlesource.com/25430 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-05Limit dest buffer to 1GB in FlateOrLZWDecode.Henrique Nakashima
Bug: chromium:802094 Change-Id: I99d2d75cd431afe1cdb966e1431143ab43dd9a73 Reviewed-on: https://pdfium-review.googlesource.com/24730 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-02-05Make EmbedderTest class member style consistent.Lei Zhang
The class started with |foo_bar_| but now has a mixture of |foo_bar_| and |m_FooBar|. Change them all to |foo_bar_|. While making this change, also initialize the members in the header when possible. Change-Id: I202ff5dc5e945175ad4da2f3245724f3493aa8aa Reviewed-on: https://pdfium-review.googlesource.com/25390 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-02-05Include time.h on wasm.chromium/3342chromium/3341Henrique Nakashima
Bug: chromium:804907 Change-Id: Id9b496f14134631d3308c073b8780bf18c2305c8 Reviewed-on: https://pdfium-review.googlesource.com/25270 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-02-01Convert CFX_CSSPropertyTable to CFX_CSSDataRyan Harrison
This converts the existing class naming and references. The ::Entry struct is converted to ::Property. The GetBy* methods are renamed to GetPropertyBy*. Free functions from other parts of the CSS code base are merged into the class. GetCSSPropertyValueByName becomes ::GetPropertyValueByName with a return value of ::PropertyValue*. GetCSSLengthUnitByName becomes ::GetLengthUnitByName with a return value of ::LengthUnit*. GetCSSColorByName becomes ::GetColorByName with a return value of ::Color*. BUG=pdfium:998 Change-Id: I5b78c69d0fe53ad714ac3545cfdda8c26b95e4d5 Reviewed-on: https://pdfium-review.googlesource.com/25010 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-02-01Deprecate FPDFDest_GetPageIndex and create a fixed version.Henrique Nakashima
FPDFDest_GetDestPageIndex() has a well defined return value for errors (-1). Keeping FPDFDest_GetPageIndex() to avoid changing behavior of the old API for whoever relies on it. Bug: pdfium:938 Change-Id: Iad528923cb156e957a419540c262a65f45cb777d Reviewed-on: https://pdfium-review.googlesource.com/24811 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-01-31Remove handrolled search from GetCSSColorByNamechromium/3336Ryan Harrison
BUG=pdfium:798 Change-Id: I9f0cc6fa095f111d6c43034b55f5e12e2bcab059 Reviewed-on: https://pdfium-review.googlesource.com/24716 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-01-31Remove handrolled search from GetCSSLengthUnitByNameRyan Harrison
BUG=pdfium:798 Change-Id: I97d0dc566f95736ef12eda90ee0bf336cba42098 Reviewed-on: https://pdfium-review.googlesource.com/24715 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-01-31Remove handrolled search from GetCSSPropertyValueByNameRyan Harrison
BUG=pdfium:798 Change-Id: I1e50aeffa439063bc9eb2640af457e33c4e3c46c Reviewed-on: https://pdfium-review.googlesource.com/24713 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-01-31Clean up CSS property tableRyan Harrison
Reorganizes the free functions to be static methods on a class. Converts the Table struct to be an Entry struct defined in the class. Change-Id: I9eca0dfb15187af10cbe2dc4b4c2756d55d957be Reviewed-on: https://pdfium-review.googlesource.com/24712 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-01-30Use unsigned for char widthchromium/3335Nicolas Pena
Bug: 806612 Change-Id: I22bd9046dd37a1b596762c46a6b29a323d6e9fa1 Reviewed-on: https://pdfium-review.googlesource.com/24410 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
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