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2017-01-09Check validity of width and height in CCodec_TiffContext::LoadFrameInfoNicolas Pena
We are using pdfium::base::checked_cast to get the width and height, but we may overflow and abort. Therefore, we should instead early return if the obtained width and height are not valid int32_t's. BUG=655056 Change-Id: Ic0c6b88a16dc3d547fe82736bb14ed3122cd356a Reviewed-on: https://pdfium-review.googlesource.com/2160 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-01-09HardClip all points used when building pathsNicolas Pena
CAgg_PathData::BuildPath already HardClips x, y. We need to do this to any other points used, otherwise we risk having huge numbers, and when calling agg methods on these we'll be super slow. BUG=670524, 678767 Change-Id: I35c1cee7bd6481ea57e0df27b2c5202d1cca3301 Reviewed-on: https://pdfium-review.googlesource.com/2158 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-01-09Do not parse references with invalid objnumnpm
We should not have valid objects where the object number is CPDF_Object::kInvalidObjNum. BUG=pdfium:609 Review-Url: https://codereview.chromium.org/2610393004
2017-01-09Remove CFX_ArrayTemplate from fpdftext and fxcodec.tsepez
Remove unused m_Segments. Review-Url: https://codereview.chromium.org/2618863004
2017-01-09Remove CFX_ArrayTemplate from fpdfapitsepez
Review-Url: https://codereview.chromium.org/2611413002
2017-01-09Tidy cfgas_fontmgr, remove custom sorting code.tsepez
Review-Url: https://codereview.chromium.org/2610813010
2017-01-06Remove CFX_MapPtrToPtr and templates.chromium/2976chromium/2975tsepez
All usage is now replaced with stl equivalents. Move one definition from fx_basic.h to where it's actually needed. Review-Url: https://codereview.chromium.org/2612773007
2017-01-06Revert postscript code removal.rbpotter
Revert CL http://crrev.com/2608663003 in preparation for adding postscript generation to Pdfium. Note postscript generation code will not be called until additional patches land. These patches will also include modifications needed to make this code functional (currently missing a few compression functions). BUG= Review-Url: https://codereview.chromium.org/2615703002
2017-01-05Remove two unused members in cpdf_streamcontentparser.tsepez
Review-Url: https://codereview.chromium.org/2617683003
2017-01-05Banish CFX_Points, CFX_PointsF, and CFX_RectFArray to XFA-side only.tsepez
Removes more array template usage fron non-XFA code. Review-Url: https://codereview.chromium.org/2614013002
2017-01-05Fix bCJK calculation in Windows MapFontnpm
I think the bCJK variable calculation is wrong. If not, then it is not necessary, since currently it will always be set to false. CL that added this code: https://codereview.chromium.org/1306883002/ Review-Url: https://codereview.chromium.org/2611843008
2017-01-05Remove unused CPDF_ImageCacheEntry::GetCachedBitmapNicolas Pena
GetCachedBitmap method is not being used. This removal simplifies some of the code. Change-Id: I075c245c3511e8a1b595c8ba148991f7c838f504 Reviewed-on: https://pdfium-review.googlesource.com/2154 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-01-04Kill render_int.hchromium/2973chromium/2972Nicolas Pena
CPDF_DIBSource was already in its own file, but files needed renaming. Change-Id: Ib3ac787a0bb33d3f78ecdcdfcdbc938867857a14 Reviewed-on: https://pdfium-review.googlesource.com/2152 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-01-04Add missing operator<() to CFX_RetainPtr.tsepez
Use std::less<>() rather than a direct ptr1 < ptr2 comparison to be strictly correct in face of unspecified behaviour when ptr1 and ptr2 don't point within the same "object" (e.g. segment of memory on a brain-dead segmented architecture). This will allow their use as keys in maps. Review-Url: https://codereview.chromium.org/2616683002
2017-01-03Add CFX_RetainPtr Leak() and Unleak() methodstsepez
Required to pass pointers across C-APIs. Need this to clean up CPDFXFA_Page and retain ptrs. Review-Url: https://codereview.chromium.org/2583093003
2017-01-03Check for overflow in JBig2 Huffman decoderDan Sinclair
This CL updates the Huffman decoder in the JBig2 codex to check the low field does not overflow. BUG=chromium:675236 Change-Id: I7f5f6fe8329df4ece6f317fac521fe2373686479 Reviewed-on: https://pdfium-review.googlesource.com/2131 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-01-03Kill last use of CFX_PtrList.tsepez
I'd been waiting on this hoping the code would be refactored out of existence, but it looks to be used. Use tests against x.end() in place of a "null position". This is greatly complicated by the use of "tail position", which now calcluated by std::prev(x.end()) unless the list is empty. Review-Url: https://codereview.chromium.org/2592163002
2017-01-03Force stop of page tree traversal when max level reachedNicolas Pena
The previous implementation, FindPDFPage, was already doing this since the recursive call was always with return. Currently, we were trying to keep going even after reaching max level. The problem is that if the page tree is not a tree, we might loop forever. This could also be solved by keeping track of the dictionaries that have been visited, but this solution takes much less space. BUG=672172 Change-Id: Ia37aea58e92b6068de69f26736c612aa6a0ff4b3 Reviewed-on: https://pdfium-review.googlesource.com/2138 Commit-Queue: Nicolás Peña <npm@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-01-02Use vector of unique_ptrs for page node children.tsepez
Also be sure that a loop terminates without relying on specific behaviour of the callers. Review-Url: https://codereview.chromium.org/2598473002
2016-12-28Make CFX_Observable copy constructable.chromium/2969chromium/2968chromium/2967chromium/2966tsepez
Fix some naming to make things clearer. Review-Url: https://codereview.chromium.org/2587233002
2016-12-19Missing null initializer in CPDF_StreamParser::ReadInlineStreamchromium/2965chromium/2964chromium/2963chromium/2962chromium/2961chromium/2960chromium/2959chromium/2958tsepez
TBR=dsinclair@chromium.org BUG=675752 Review-Url: https://codereview.chromium.org/2585113004
2016-12-19Relax the EncryptMetadata check.chromium/2957tsepez
BUG=pdfium:644 Review-Url: https://codereview.chromium.org/2581873002
2016-12-16Return unique_ptr<> from IPDF_StructTreetsepez
Delete some dead code in the process. Review-Url: https://codereview.chromium.org/2585873002
2016-12-16Better tests for password protected documents.chromium/2954tsepez
- Add unit tests for sha256 implementation. - Remove void* types from API in favor of correct actual types. Review-Url: https://codereview.chromium.org/2577223002
2016-12-15Return unique_ptr from CFX_BinaryBuf::DetachBuffer()tsepez
In turn, make CPDF_Stream() take an unique_ptr. Review-Url: https://codereview.chromium.org/2584683002
2016-12-14Remove unused m_OtfFontData.chromium/2953tsepez
In turn, this makes CFX_BinaryBuf::AttachData() unused. Review-Url: https://codereview.chromium.org/2578793002
2016-12-14More unique_ptr returns from DIB methods.tsepez
Review-Url: https://codereview.chromium.org/2572293002
2016-12-14Return unique_ptr from GetAlphaMask.tsepez
Rename GetAlphaMask => CloneAlphaMask since it does more than get. Rename CopyAlphaMask => SetAlphaMask, as it copies IN, not OUT. ditto for CopyPalette => SetPalette. BUG= Review-Url: https://codereview.chromium.org/2572243002
2016-12-14Remove some usage of |return XXX.release()| anti-pattern.tsepez
Review-Url: https://codereview.chromium.org/2571313002
2016-12-14Add inline JPEGs.rbpotter
Allows JPEG data to be copied into the file rather than left in a separate file. This is needed to allow rasterized PDFs to avoid saving image files for each page. See Chromium issue 2524143003 for chromium changes. BUG=534945, 550205, 480628 Review-Url: https://codereview.chromium.org/2529543003
2016-12-14Remove CJBig2_List in favor of std::vector<std::unique_ptr<>>tsepez
Review-Url: https://codereview.chromium.org/2578663002
2016-12-14Avoid the ptr.reset(new XXX()) anti-patterntsepez
Be suspicious of |new|. This removes some of the easy cases. Review-Url: https://codereview.chromium.org/2571913002
2016-12-13Return unique_ptr<>s from fxcodec/chromium/2951tsepez
Review-Url: https://codereview.chromium.org/2572843002
2016-12-13Replace CFX_FloatArray with std::vectortsepez
Review-Url: https://codereview.chromium.org/2567503002
2016-12-13Use CFX_MaybeOwned<> in CPDF_Annot.tsepez
Avoid another unique_ptr release and a separate flag. Review-Url: https://codereview.chromium.org/2570913002
2016-12-12fix linux buildcaryclark
Found when adding pdf_use_skia_paths canary to skia status R=dsinclair@chromium.org, borenet@google.com BUG=skia:5849 Review-Url: https://codereview.chromium.org/2569003002
2016-12-12Fix JBig2 decoding logicweili
While decoding among instances, variable "FIRSTS" should hold its value, not be reset. This was accidently changed by earlier refactoring. BUG=chromium:625848,pdfium:636 Review-Url: https://codereview.chromium.org/2569023002
2016-12-12sync with latest skia apicaryclark
The canvas clip op changed to a enum class to safeguard against a regular enum used as a bool in an overloaded interface. R=reed@google.com, dsinclair@chromium.org Review-Url: https://codereview.chromium.org/2568193002
2016-12-12Fix dotted line drawing for GDI device driverweili
When GDI device driver draws a dotted line, it also clip the line into the device context's bound before drawing. This CL includes a couple fixes: -- When this driver is used for EMF drawing, the drawing is not bound to the device context so clipping is not needed; -- Transformation needs to be applied before clipping since the transformation may move the line into the bound; -- While checking for out-of-bound flags, bit operations are needed to make sure the discarded line is completely out of bound, not partially inside the bound; BUG=chromium:539533 Review-Url: https://codereview.chromium.org/2562533002
2016-12-09update to latest skia apichromium/2949chromium/2948chromium/2947caryclark
Skia has changed its clipping API from one enum to another. Fix PDFium to match. R=dsinclair@chromium.org,reed@google.com,herb@google.com Review-Url: https://codereview.chromium.org/2559123004
2016-12-08Replace CFX_WideStringCArray with std::vector.chromium/2946tsepez
Review-Url: https://codereview.chromium.org/2562833002
2016-12-08Remove last usage of CFX_ObjectArray.tsepez
Review-Url: https://codereview.chromium.org/2558373002
2016-12-08Replace CFX_WideStringArray with std::vectortsepez
Minimalist changes with the tidying of the code to use better loop iterators as a follow-up. Review-Url: https://codereview.chromium.org/2556963004
2016-12-07Replace CFX_ByteStringArray with std::vector.tsepez
Also convernt one nearby array to vector as well. Review-Url: https://codereview.chromium.org/2559903002
2016-12-07Properly ref count IFX_FileAccess.tsepez
Review-Url: https://codereview.chromium.org/2562563002
2016-12-07Catch stray Retains() and Releases() outside of RetainPtr<>.tsepez
The previous CLs made the code clean, so now we can mark more things private, and add friends as appropriate. Review-Url: https://codereview.chromium.org/2560783003
2016-12-07Fix the way to check terminal field in interactive formchromium/2945weili
Originally the key "T" was checked which was not correct since that key is optional. Now change to check "FT" as well as its parent's key since this key is also inheritable. BUG=chromium:440132 Review-Url: https://codereview.chromium.org/2554223002
2016-12-07Refcount all the IFX_ stream classes all the time.tsepez
We can remove a lot of "bOwnsStream" logic in the process. Always pass these by const reference, in case the called method wants to hang on to the stream (one exception is where we stick a raw pointer into a void* slot in a context from another layer). Review-Url: https://codereview.chromium.org/2451493002
2016-12-06re-enable skia cachingchromium/2944caryclark
This permits consecutive path drawing or text drawing to combine if their graphics state matches. This speeds up rendering considerably when PDFium draws in many small parts. It also allows discarding changes to the clip state that have no effect from draw to draw. All corpus tests draw equivalently with caching enabled or disabled. Change the member order in CPDF_PageRenderContext so the device is flushed before the referencing annotation is deleted. Add more printf style debugging for test draws. R=dsinclair@chromium.org Review-Url: https://codereview.chromium.org/2546803003
2016-12-06Return unique_ptrs from CFX_DIBitmap::Clone().tsepez
Because that's what clone does. Perform immediate release in some spots to avoid disrupting too much at once. Review-Url: https://codereview.chromium.org/2534953004
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