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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>
2018-03-16Add more tests for FPDFText_CountRects().chromium/3376chromium/3375chromium/3374Lei Zhang
BUG=chromium:821305 Change-Id: I261bc9704363d2a6b930146b2a275d2fa5178165 Reviewed-on: https://pdfium-review.googlesource.com/28692 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-16Rename some variables in FPDFTextEmbeddertest.Lei Zhang
Either give them shorter names, or change them to kFoo. Change-Id: I3cb7ba242784f163e9c6ba7346d48c622e792ae1 Reviewed-on: https://pdfium-review.googlesource.com/28690 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>
2018-03-16Fix typo in doc of FPDFDest_GetDestPageIndex.Henrique Nakashima
Change-Id: Ic312c540dcdc19d0c81ae85a7c5b201a00bacf7f Reviewed-on: https://pdfium-review.googlesource.com/28730 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@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>
2018-03-15Remove unused CPDFSDK_BAAnnot methods.Lei Zhang
Change-Id: I5de956c8a759c974659396a34a355eb0840d2144 Reviewed-on: https://pdfium-review.googlesource.com/28580 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>
2018-03-12Add test that non-ASCII characters to not foul hyphen processingRyan Harrison
In this doc there is a hyphen followed a fi ligature. Older versions of PDFium were not inserting the appropriate soft hyphen marker (0x0002) at this point, since they were only checking for ASCII characters. That bug is fixed in the preceding CLs, so this test is being added to avoid regressions. BUG=pdfium:1029 Change-Id: I9c9906de5a13ade1400a589fb18967938150516d Reviewed-on: https://pdfium-review.googlesource.com/28470 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2018-03-12Handle inserting negative values without a selectionDan Sinclair
When handling the AFNumber_Keystroke callback, if the changed value is negative and there is no selection, we'd incorrectly error out thinking we were inserting before the negative sign. This CL checks if the selection string is empty before erroring out. Bug: chromium:817433 Change-Id: I0ca08e121e9a8c207e9c7793f5b8a4e795c135e6 Reviewed-on: https://pdfium-review.googlesource.com/28110 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-12Stop excluding SkDumpCanvas from Skia. It no longer exists.Brian Osman
Change-Id: I210b18e4ab037f1190ddb1362d11973d2e492c75 Reviewed-on: https://pdfium-review.googlesource.com/28490 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2018-03-08Unset timer in XFA scrollbar after stopping it.Henrique Nakashima
This fixes a crash that happens after interacting with the scrollbar a few times. Bug: chromium:820210 Change-Id: I458337f21c9322351474a1574ab596c600dcbbbf Reviewed-on: https://pdfium-review.googlesource.com/28290 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-08Move GetPopupPos from CFWL_Widget to subclasses that call it.Henrique Nakashima
Change-Id: I27118d2c8d0d7e4509b6a89cd32a7c9c906d19bc Reviewed-on: https://pdfium-review.googlesource.com/28270 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2018-03-07[formcalc] Consider width along with depth of treeDan Sinclair
When building the formcalc parser trees we need to limit on width along with depth. It's possible to generate a tree of a single depth but is more then 20k nodes wide. This will eventuall cause stack overflow issues. This CL re-uses the depth check for the grammar expressions in which we're extending the width of the tree we count that against our depth check. Bug: chromium:813346 Change-Id: I01f6567a75776a75374465eacc1ff546db46cac1 Reviewed-on: https://pdfium-review.googlesource.com/28170 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-07[formcalc] Handle bad elseif conditionalschromium/3365Dan Sinclair
This Cl adds checking for the conditionals of if and elseif expressions. If the conditional fails to parse we should return nullptr. This already happens by accident in the if() case, but with elseif() conditions we'll fail the ASSERT in the CXFA_FMIfExpression constructor and crash. This CL explicitly checks for the expressions and early exists if they failed to parse. Bug: chromium:819509 Change-Id: I9a90182c7709c8c4c0d3ae17d6be67cb668c0c6a Reviewed-on: https://pdfium-review.googlesource.com/28131 Commit-Queue: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-06Remove axial gradients from XFA widgets.Henrique Nakashima
Most of the CPU time when moving around XFA forms is spent rendering these gradients. Bug: chromium:592748 Change-Id: I08c68c60996755a2be25243dfd2143b6cbb13af9 Reviewed-on: https://pdfium-review.googlesource.com/28090 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2018-03-06[formcalc] Allow empty declaration bodiesDan Sinclair
This CL removes the checks for empty declaration bodies. Change-Id: I06a8f602f49d7709bce86442cae2d38991fa5d82 Reviewed-on: https://pdfium-review.googlesource.com/27950 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-05[formcalc] Simplify function signature parsingchromium/3363Dan Sinclair
This CL refactors the signature parsing for formcalc functions. Change-Id: I69634968ab1cbd9698a3ce3ae321e14bafe918c6 Reviewed-on: https://pdfium-review.googlesource.com/27930 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-05[formcalc] Cleanup m_error handlingDan Sinclair
This CL cleans up the setting of m_error. In most cases we don't need to set m_error it will be set when we bubble up the nullptr return from the various parse methods. The m_error was set inconsitently previously and was confusing on if it needed to be set or not. Change-Id: I8648b6296ef15239bd2663e6543a960b88177721 Reviewed-on: https://pdfium-review.googlesource.com/27910 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-05Cleanup CFWL_ScrollBar::Timer::Run.Henrique Nakashima
Change-Id: Icd76a6a98a66c977e45ed82663b68f6b05479e76 Reviewed-on: https://pdfium-review.googlesource.com/27891 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-03-05Fix crash when dragging scrollbar in XFA form.Henrique Nakashima
Bug: chromium:809612 Change-Id: I171d836927fc707388444726d3918b2cbbb39002 Reviewed-on: https://pdfium-review.googlesource.com/27890 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@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>
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