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2018-04-03Off-by-one in CPDF_StreamParser::ParseNextElement()Tom Sepez
Limit the token to 255 bytes + NUL. Also, shuffle fields in cpdf_streamparser to allow memory tools to better check this inline array. Bug: 828049 Change-Id: I444f2b4c6958167577d9cd76c06805baf7d5c26c Reviewed-on: https://pdfium-review.googlesource.com/29530 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-28Remove CPDF_DefaultAppearance reference paramsDan Sinclair
This CL converts the CPDF_DefaultAppearance::GetColor methods to return instead of using reference parameters. Change-Id: I9ba6bf060a536290a83d3c9ce6e115511f28664c Reviewed-on: https://pdfium-review.googlesource.com/29410 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-28Use CPDF_DefaultAppearance instead of custom parsingDan Sinclair
This CL moves code over to using CPDF_DefaultAppearance instead of calling the CPDF_SimpleParser directly. This means the code for finding a specific tag start can move into CPDF_DefaultAppearance directly. Change-Id: I1dc64e54aedd03d059b963121d466f3eb75c17db Reviewed-on: https://pdfium-review.googlesource.com/28410 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-28Rename some fsdk files to cpdfsdkDan Sinclair
This CL renames fsdk_common and fsdk_define to cpdfsdk_common and cpdfsdk_helpers respectively. Change-Id: I8ee7a308561f1ff2f510954444f953b0c8fed788 Reviewed-on: https://pdfium-review.googlesource.com/29371 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-28Use ByteStringView in parsersDan Sinclair
This CL converts the CPDF_SimpleParser to accept a ByteStringView. Several of the callers of SimpleParser are also updated to use a ByteStringView instead of <char*,size>. Change-Id: Ic2df3a06f92e77b53745a0419b44368142f9d8e6 Reviewed-on: https://pdfium-review.googlesource.com/29351 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-03-28Remove ByteString PDF_NameDecodeDan Sinclair
This CL removes the ByteString version of PDF_NameDecode and forces the callers to use the ByteStringView variant. Change-Id: I5a955d8e909e2045ee45843af54b23e98abe00ed Reviewed-on: https://pdfium-review.googlesource.com/29350 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-26Do not call CPDF_PageObjectList directly in fpdfeditpage.cpp.Henrique Nakashima
Change-Id: If816c4f532f03513ad06959182b0e0edfd688e39 Reviewed-on: https://pdfium-review.googlesource.com/29170 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-03-22Consolidate QuadPoints reading code in fpdfsdk.chromium/3380chromium/3379Lei Zhang
Also fix nits in QuadPoints code in cpdf_annot.cpp. Change-Id: I7852b673d3dca906e6d250cb3cfa305f8ea7e742 Reviewed-on: https://pdfium-review.googlesource.com/28893 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-21Use more const pointers in CPDF_ContentMarkItem.Lei Zhang
Transitively mark the same pointers as const in callers. Change-Id: I1f9669b35c6d7f4b1a11c25163480bc687fbc7f8 Reviewed-on: https://pdfium-review.googlesource.com/28870 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-21Rename foo_{wid,hei} to foo_{width,height}.Lei Zhang
Change-Id: I94412dd183535c18f4421b465f64870b44ad230d Reviewed-on: https://pdfium-review.googlesource.com/28971 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-21Rename "des_foo" to "dest_foo".Lei Zhang
Destination variables usually have "dest" or "dst" as the prefix. Change-Id: If5bb01a5eafe1e4b42d1a6d653abb1b444b1b2fa Reviewed-on: https://pdfium-review.googlesource.com/28970 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-21Add helpers to work with FXDIB_Format.Lei Zhang
Helper functions make getting the bpp and component count more readable. Change-Id: Ie0f97d52136d11ef5251f6e22748e87aea289ae1 Reviewed-on: https://pdfium-review.googlesource.com/28572 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-21Explain how CPDF_Page::GetDisplayMatrix() inverts y.Henrique Nakashima
Change-Id: Ia6e9fe790065d0bfd288d425c10d1dd9e0cf8c31 Reviewed-on: https://pdfium-review.googlesource.com/28850 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-21Change FXSYS_RGB() to FXSYS_BGR().Lei Zhang
Also change it from a macro to a constexpr function. Change-Id: I8b2bb42c45a23da6db136abdaee24132db4471c6 Reviewed-on: https://pdfium-review.googlesource.com/28579 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-21Change FXSYS_Get{R,G,B}Value()'s input param to BGR.Lei Zhang
Also change them from macros to constexpr functions. Change-Id: I5ebec07487b7b7f59cc769debc95c730776d4613 Reviewed-on: https://pdfium-review.googlesource.com/28578 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-21Rename one ArgbEncode() variant to AlphaAndColorRefToArgb().Lei Zhang
Mark the other ArgbEncode() variant as constexpr. Change-Id: I84207d805766e5efc669638bd8a15cfead356a41 Reviewed-on: https://pdfium-review.googlesource.com/28577 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-20Rename "RGB" methods/variables to "ColorRef" in CPDF_ColorState.Lei Zhang
Change-Id: I196e3148d680c9efeaf9609dd3ddbfe3f6635fa6 Reviewed-on: https://pdfium-review.googlesource.com/28576 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-20Simplify code in CPDF_TextPage.Lei Zhang
- Augment/reuse existing NormalizeThreshold() function. - Use std::min() / std::max(). Change-Id: I709e246c58bf8a69638e1d77dcc2a79ae8a27e77 Reviewed-on: https://pdfium-review.googlesource.com/28736 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-20Change ArgbToColorRef() to ArgbToAlphaAndColorRef().chromium/3377Lei Zhang
Since that is what it really returns. Add a replacement ArgbToColorRef() that only returns a FX_COLORREF, and remove a duplicate implementation. Then update callers and only use ArgbToAlphaAndColorRef() where appropriate. Also update comments to explain what FX_COLORREF is. Change-Id: I5ed3d71683898dc2b3a66395dea0ec2562c14a68 Reviewed-on: https://pdfium-review.googlesource.com/28575 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-19Calculate AP for multi-line markup annotations correctlyRalf Sippl
Currently, when constructing AP for multi-line markup annotations, we only take into account the first set of quadpoints, resulting in only the first line of the annotation being displayed if the annotation spans multiple lines. This CL, initially written by Jane Liu <janeliulwq@google.com> (https://pdfium-review.googlesource.com/12010) takes into account all the quadpoints, so multi-line annotations can be displayed correctly. BUG=pdfium:876 Change-Id: I8be10ee38e01eb6525ddef556df1b727189455c7 Reviewed-on: https://pdfium-review.googlesource.com/28590 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-19Remove non-const ref parameters in CPDF_TextPage.Lei Zhang
Change-Id: Ia6cb19269ef93440669b68d76c3c378a5d4da7a5 Reviewed-on: https://pdfium-review.googlesource.com/28735 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-19Remove redundant code in CPDF_TextPage::CountRects().Lei Zhang
CountRects() calls GetRectArray(), which performs the same calculation. Change-Id: I79dcd8e82f6d0fe7ed992da06237f31d0761a902 Reviewed-on: https://pdfium-review.googlesource.com/28734 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-19Avoid crashing in FPDFText_CountRects() for invalid start values.Lei Zhang
BUG=chromium:821305 Change-Id: I371572f60ea3984ce044e25125d882b3c2d03115 Reviewed-on: https://pdfium-review.googlesource.com/28733 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-19Avoid crashing in FPDFText_CountRects() for negative count values.Lei Zhang
Treat values less than -1 as -1. BUG=chromium:821305 Change-Id: Ieaced045473fa51097400e5af1286f0d3f4d0143 Reviewed-on: https://pdfium-review.googlesource.com/28732 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-16Fix methods that have definition with different parameter names.Lei Zhang
Found by ClangTidy. BUG=pdfium:1039 Change-Id: I2bb9256a63d5459e959c1a3228418073245d7a86 Reviewed-on: https://pdfium-review.googlesource.com/28731 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-16Make more variables const-ref.chromium/3373Lei Zhang
Found by ClangTidy. BUG=pdfium:1040 Change-Id: I6d7cb26ae2d12f5650f73596d0b991234b076f57 Reviewed-on: https://pdfium-review.googlesource.com/28712 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-15Add a CFX_PathData::AppendRect() variant.chromium/3372Lei Zhang
One that takes a CFX_FloatRect instead of LBRT floats. Use it where appropriate. Change-Id: I8ba19e86c61c91d8b4ef685b5cb65c8fb717f013 Reviewed-on: https://pdfium-review.googlesource.com/28581 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-15Create FPDFPage_RemoveObject().Henrique Nakashima
This call removes a page object from a page. We currently offer an API to insert these objects, but not to remove. Bug: pdfium:1037 Change-Id: I35ff596f9e7c87a39051f0cb1de40a5bec40fee5 Reviewed-on: https://pdfium-review.googlesource.com/28492 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-03-15Fixing order of guards to avoid potential segvsRyan Harrison
Per tspepez's drive by: str, in theory, might not be terminated, and might have been allocated right up to a guard page at the end of the heap, say, so that str[len] could segv. Change-Id: I6cba7b6d12b23f69e6f150c1b5296df65c2e0086 Reviewed-on: https://pdfium-review.googlesource.com/28610 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-15Rename FX_COLORREF variables from "rgb" to "bgr".Lei Zhang
FX_COLORREF should work like win32 COLORREF, which is BGR. Change-Id: I9f8bb3e2d30a64dc822ac6b8c46130358a03678a Reviewed-on: https://pdfium-review.googlesource.com/28574 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-15Use Width()/Height() methods from rectangles.Lei Zhang
Change-Id: I07f4363046be920816e8d0dae766c7af833284db Reviewed-on: https://pdfium-review.googlesource.com/28582 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
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>
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