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2018-03-15Fix a red-blue channel flip when rendering masks to EMF.Lei Zhang
Use BGR instead of RGB in CGdiDeviceDriver::GDI_StretchBitMask(). Many win32 GDI APIs take COLORREF as input, and COLORREF is BGR. In this case, a win32 API was being called with RGB data. BUG=chromium:821672 Change-Id: Ia530c7ef5582eed13ac7119935851cfe0ad57323 Reviewed-on: https://pdfium-review.googlesource.com/28573 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-15Cleanup CStretchEngine.Lei Zhang
- Make members const. - Change some ints to enum classes. - Add helper function to calculate pitch. Change-Id: I32f94e1189d54a2c365530166fb5c9c0857b7c97 Reviewed-on: https://pdfium-review.googlesource.com/28571 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-14Fix bad return value in WideString::Compare().chromium/3371Lei Zhang
When comparing L"a" vs L"ab", the return value should be -1 or 1, not 0 or 1. Add a regression test for this case. BUG=chromium:821454 Change-Id: I38e2d7ca62319b7a62f8d8afeb231b8ed3bd9e86 Reviewed-on: https://pdfium-review.googlesource.com/28570 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-14Fix blend mode in generated APRalf Sippl
When adding an annotation, an appearance stream (AP) is generated. According to the PDF spec, the Subtype, Type and BM entries it contains should be names rather than strings. Type should be set to XObject. BUG=pdfium:1038 Change-Id: I0131eec33c257ab3a3a48c7e0dfeac5ca8dfbe2b Reviewed-on: https://pdfium-review.googlesource.com/28550 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-03-13Remove usage of FXSYS_*ASCIIlower/upper methodschromium/3370Ryan Harrison
This replaces them with equivalent FXSYS_*wlower/upper methods, which uses ICU to perform the correct Unicode operations. BUG=pdfium:1035 Change-Id: I432db5bef9eda71762016b619d93155949d054db Reviewed-on: https://pdfium-review.googlesource.com/28530 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-12Remove all usages of FXSYS_iswASCIIspacechromium/3369Ryan Harrison
This replaces it with FXSYS_iswspace, which uses ICU to perform correct Unicode space checking. BUG=pdfium:1035 Change-Id: I7a4ed01a6b50f56a6f9d1434a7f0b01596fe42db Reviewed-on: https://pdfium-review.googlesource.com/28510 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-12Fix crash when creating a CFX_DIBitmap with FXDIB_Invalid.Henrique Nakashima
Bug: chromium:820885 Change-Id: I3886c636b91a8499924d95ad47f4c832db9f9754 Reviewed-on: https://pdfium-review.googlesource.com/28491 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-03-12Remove all usages of FXSYS_iswASCIIalphaRyan Harrison
Instances are either replaced with FXSYS_iswalpha, which calls out to the ICU library to do the proper Unicode operations, or have been converted to a isascii && isalpha pair, if ASCII alpha is actually what was wanted. BUG=pdfium:1035 Change-Id: I971ff639ee1ff818ad08793a1900a8bcbb0a3e04 Reviewed-on: https://pdfium-review.googlesource.com/28450 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-12Remove all usages of FXSYS_iswASCIIalnumRyan Harrison
Instances are either replaced with FXSYS_iswalnum, which calls out to the ICU library to do the proper Unicode operations, or have been converted to a isascii && isalnum pair, if ASCII alnum is actually what was wanted. BUG=pdfium:1035 Change-Id: I959ec8739a4d020e61562180393ab8113a81577c Reviewed-on: https://pdfium-review.googlesource.com/28430 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-09Cleanup CPDF_DefaultAppearancedan sinclair
Minor cleanups and refactoring of the CPDF_DefaultAppearance class. Change-Id: I7b3de021e8a6a1e9ca1d70ae413f3c433627f3fd Reviewed-on: https://pdfium-review.googlesource.com/28390 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-09Remove default params from CPDF_DefaultAppearance methodschromium/3368chromium/3367dan sinclair
This CL removes default params from CPDF_DefaultAppearance methods. Change-Id: Iaeebc7b35ebb6140850f3f0e0828c3ae9e3c5548 Reviewed-on: https://pdfium-review.googlesource.com/28350 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-09Explicitly mark helper methods that only operate on ASCII rangesRyan Harrison
A number of our character helper methods take in wide character types, but only do tests/operations on the ASCII range of characters. As a very quick first pass I am renaming all of the foot-gun methods to explictly call out this behaviour, while I do a bigger cleanup/refactor. BUG=pdfium:1035 Change-Id: Ia035dfa1cb6812fa6d45155c4565475032c4c165 Reviewed-on: https://pdfium-review.googlesource.com/28330 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-09Remove unused methods from CPDF_DefaultAppearancedan sinclair
Methods unused. Removed. Change-Id: I059b1e321b7d57f631368b77ace1d62cb75596c8 Reviewed-on: https://pdfium-review.googlesource.com/28310 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-08Remove unused constructordan sinclair
Unused. Removed. Change-Id: I493a98b22c343d44834d3648e4ef2fe9978f88b1 Reviewed-on: https://pdfium-review.googlesource.com/28250 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-08Cleanup CPDF_SimpleParserdan sinclair
Minor code cleanup. Change-Id: Ibc3ea17d270de517058c41e9b466bc8fb042ecd7 Reviewed-on: https://pdfium-review.googlesource.com/28230 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-08CPDF_InterForm::ResetForm always returns truedan sinclair
This method always returns true, so remove the return value. Change-Id: I3da93fc5face39a53b589787873839c06c9fcfab Reviewed-on: https://pdfium-review.googlesource.com/28210 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-08Convert Before{Selection|Value}Change to return a boolchromium/3366dan sinclair
Both of these IPDF_FormNotify methods return {-1, 0, 1} but all callsites only care about < 0 and >= 0. Convert to return a bool that treats the 0 and 1 case as the same. This also makse sense in terms of the API because false means validation failure. The case where 0 was used was a place holder for we didn't try for this field type, which also implicitly means validation passed. Change-Id: I0950c678191b83caffd755d4a87b2f0efee71c89 Reviewed-on: https://pdfium-review.googlesource.com/28192 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-08Remove BeforeFormImportData and BeforeFormResetdan sinclair
Both of these IPDF_FormNotify callbacks have empty implementations which just return 0. Removed. Change-Id: I3324113222f19d2f7a2323ab5086e446d2064451 Reviewed-on: https://pdfium-review.googlesource.com/28191 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-08Remove uncalled AfterFormImportDatadan sinclair
The IPDF_FormNotify::AfterFormImportData method is never called. Removed. Change-Id: I0c436193a0af7bc94077bb719e48682bbf7a9b2b Reviewed-on: https://pdfium-review.googlesource.com/28190 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-06Rename IFX classes in core/fxge to Ifacechromium/3364Dan Sinclair
This CL renames IFX classes in core/fxge to Iface. Change-Id: I137167ddd4ff1563d8002d9501222c27183408cc Reviewed-on: https://pdfium-review.googlesource.com/27990 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-06Rename core/fxcrt IFX files to IfaceDan Sinclair
This CL renames the 3 IFX files in core/fxcrt to Iface instead. Change-Id: I7cee6836650b71bc5c5729a8147fda62f0910fe3 Reviewed-on: https://pdfium-review.googlesource.com/27970 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-05Clean up CPDF_DIBSource.Lei Zhang
- Deduplicate code. - Rearrange some functions for early returns. Change-Id: I901d9041a42ff66002b1454193e5e122e5a379cd Reviewed-on: https://pdfium-review.googlesource.com/27810 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-05Make FPDFBitmap_GetFormat() work for JBIG images.Lei Zhang
BUG=pdfium:945 Change-Id: I2a880e747b6f5a2fabed4d34ce47b69ff589ce3f Reviewed-on: https://pdfium-review.googlesource.com/27814 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-05Use CPDF_DIBSource::LoadState enum class in more places.Lei Zhang
Change-Id: Iaf124c1b1ceca86d220ae654d9d18af7475209b6 Reviewed-on: https://pdfium-review.googlesource.com/27870 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-05Change CPDF_DIBSource::LoadJpxBitmap() to return a bitmap.Lei Zhang
Change-Id: If819bee4809142e2f9c9b0830f00264b0fbaf862 Reviewed-on: https://pdfium-review.googlesource.com/27852 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
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>
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