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2014-12-19Update freetype to 2.5.4.Bo Xu
Put freetype into third_party directory, cleaning up header files. Previously freetype header files are in core/src/fxge/freetype and core/include/thirdparties. There were also multiple fx_freetype.h. This patch removes the additional Foxit wrapper to make further update easier. Notice, for original freetype source code, the following files are modified and need to be updated accordingly in future update: third_party/freetype/include/config/ftmodule.h third_party/freetype/include/config/ftoption.h BUG=407341 R=thestig@chromium.org Review URL: https://codereview.chromium.org/815103002
2014-12-19Fix a few windows compile warningschromium/2268chromium/2267chromium/2266chromium/2265chromium/2264chromium/2263chromium/2262chromium/2261chromium/2260chromium/2259chromium/2258chromium/2257chromium/2256Bo Xu
R=tsepez@chromium.org Review URL: https://codereview.chromium.org/817753002
2014-12-18Cleanup: Refactor some code into its own function in fpdf_text_int.cpp.Lei Zhang
Also use stdlib algorithms in a few places. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/810223003
2014-12-18Merge: Fix obvious compilation breakage on win32 in previous version.Tom Sepez
TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/814903002 Review URL: https://codereview.chromium.org/816743002
2014-12-17Cleanup: Remove a shadow variable in CPDF_TextPage::CloseTempLine().Lei Zhang
R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/816593002
2014-12-17Add a small LRU cache for the JBIG2 symbol dictionary.Bo Xu
This reduces rendering time on my test document by over 10 seconds. It is super common for a JBIG2 dictionary to span multiple pages, so we don't want to decode the same dictionary over and over again. Original patch from Jeff Breidenbach (breidenbach@gmail.com) BUG=https://code.google.com/p/pdfium/issues/detail?id=85 R=bo_xu@foxitsoftware.com, thestig@chromium.org Review URL: https://codereview.chromium.org/761313004
2014-12-17Merge Initialize V8 external data back to master.Tom Sepez
BUG=439793 R=thestig@chromium.org Review URL: https://codereview.chromium.org/810793004 Review URL: https://codereview.chromium.org/808293002
2014-12-17Cleanup: Pass by const reference in fpdftext.Lei Zhang
R=tsepez@chromium.org Review URL: https://codereview.chromium.org/790213005
2014-12-17Fix a bug that occurs when an object has the same object number with the ↵JUN FANG
root object Before this fix, the root will be released when an indirect object has the same object number with the root. However, the root object is loaded when the trailer is parsed. It shall not be updated or replaced anymore. BUG=425040 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/803103002
2014-12-12Avoid duplicate definitions of JSCONST_n*Hash and QeTable variables.Bruce Dawson
QeTable is a 752 byte array that was defined in a header file. This caused it to be instantiated by the VC++ compiler 12 times, wasting 8,272 bytes of space in the data segment. Because 'const' implies 'static' this did not cause any duplicate symbol errors. JSCONST_n*HASH are a set of eight variables that are defined in a header file. This causes them to be replicated 15 times. The variables themselves are tiny but they are dynamically initialized and this dynamic initialization code is replicated 15 times. When tested on pdfium_test.exe the effect of this change is to: Reduce the .text (code) segment by 3,616 bytes. Reduce the .rdata section by 8,656 bytes. Reduce the total binary file size by 13312 bytes. These are the worst offenders for pdf.dll as shown in: https://drive.google.com/open?id=1BvubxoA2SU_2e4T5cq7jHTjc1TlT0qOndpIfX3DMeA8&authuser=0 This will also drastically simplify the list of work to be done for bug 441899 (getting rid of initializers). BUG=441988 R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/802013002
2014-12-12Fix build after previous commit.chromium/2255chromium/2254chromium/2253chromium/2252chromium/2251John Abd-El-Malek
TBR=tsepez Review URL: https://codereview.chromium.org/804463003
2014-12-12Simplify PDFium by removing code that's not used in the open source repo.John Abd-El-Malek
-remove parameter from FPDF_InitLibrary -remove a bunch of ifdefs that are unused R=tsepez@chromium.org Review URL: https://codereview.chromium.org/801913002
2014-12-11m_pColorSpace can not be NULL for image object with DCTDecode filterBo Xu
BUG=411842 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/792113003
2014-12-10Do not do strict check of BitsPerComponent for RunLengthDecode filterBo Xu
BUG=438421 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/790363002
2014-12-10Lab colorspace needs to be 3 componentBo Xu
BUG=429134 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/791223002
2014-12-09Trailer should be a dictionary objectBo Xu
BUG=https://code.google.com/p/pdfium/issues/detail?id=86 a "<<" token should follow "trailer" but "<" will trick the parser to make trailer a hex string object. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/787753002
2014-12-08Replace manual/error-prone/hard-to-verify arraysize calculations with safe ↵Bruce Dawson
FX_ArraySize macro. pdfium has numerous places where the number of elements in an array is calculated with expressions like: sizeof(cFormats)/sizeof(FX_LPCWSTR) This is suboptimal because it is verbose, it is easy to get wrong, and it cannot be determined through casual inspection whether the code is correct. It will give incorrect results if cFormats is a pointer instead of an array and it will give incorrect results if FX_LPCWSTR is not the type of the array elements. The FX_WSTRC macro in fx_string.h which I fixed was particularly scary because it would silently misbehave if passed a pointer. The FX_ArraySize macro which I have added and started using (taken from arraysize in v8's macros.h) is easier to use and will always give correct results. If passed a pointer it will fail to compile. For this change I only fixed instances of sizeof(FX_LPCWSTR). There appear to be about 150 other places in the pdfium code that could benefit from using FX_ArraySize. R=bo_xu@foxitsoftware.com, tsepez@chromium.org Review URL: https://codereview.chromium.org/729293003
2014-12-08Getting rid of more (FX_LPCWSTR) casts and fixing two bugs revealed by this.Bruce Dawson
Since casts to FX_LPCWSTR have been shown to hide bugs I tried removing more of them, targeting those places where a cast was used to force a conversion from CFX_WideString to FX_LPCWSTR, replacing these casts with calls to the newly added .c_str() function. This revealed two places where the cast was hiding a bug -- where ->c_str() was required instead! This removes ~33 FX_LPCWSTR casts and there are ~31 left, many of which will go away in some future change. Also includes this change: Removing unnecessary casts from wchar_t* to wchar_t*, by various names. Original patch from Bruce Dawson(brucedawson@chromium.org) R=bo_xu@foxitsoftware.com, tsepez@chromium.org Review URL: https://codereview.chromium.org/733693003
2014-12-03Cleanup: Remove an unused function.Lei Zhang
R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/775903002
2014-12-02Add a missing 'using' keyword in big integer libraryBo Xu
Review URL: https://codereview.chromium.org/770673004
2014-12-02Modify big integer libraryBo Xu
This patch follows https://pdfium.googlesource.com/pdfium/+/44047c3300d07192a67b1714084cc2d43b1e9bd9 Modify the library to resolve compile error, add copyright notice and change pdfium.gyp and BUILD.gn R=tsepez@chromium.org Review URL: https://codereview.chromium.org/754743003
2014-12-02Remove unnecessary files in third_party/bigintBo Xu
This patch follows the initial check in of big integer library at https://pdfium.googlesource.com/pdfium/+/7504b3d87d6143661746d85c3c3e4052939b4e52 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/773923002
2014-12-02Initial check in of big integer library, v2010.04.30Bo Xu
R=tsepez@chromium.org Review URL: https://codereview.chromium.org/773443004
2014-11-24Update to openjpeg r2944Bo Xu
BUG=429139,430566,431288 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/758593002
2014-11-19Fix blank page issues caused by too strict checkchromium/2250chromium/2249chromium/2248chromium/2247chromium/2246chromium/2245chromium/2244chromium/2243chromium/2242chromium/2241chromium/2240chromium/2239chromium/2238chromium/2237Jun Fang
Before this fix, PDF parser aborts the parsering process when detecting an error. For this case, PDF parser just gives up parsering when it detects that the length of image stream is incorrect. The solution to this case is to find the tag "endstream" and "endobj" to calculate the length rather than aborting the parsering process. BUG=433339 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/743263002
2014-11-18Fixed crash on NULL de-referencing.Vitaly Buka
BUG=433992 R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/733273002
2014-11-18Fixing operator so that bCheckRight isn't always true. Unknown effect!Bruce Dawson
VC++'s /analyze points out that this expression: FX_BOOL bCheckRight = type != 'D' || type != 'W';" is always true. This means that the tests for the right edge of a word Original patch from Bruce Dawson(brucedawson@chromium.org) BUG=427616 R=jun_fang@foxitsoftware.com Review URL: https://codereview.chromium.org/731673003
2014-11-18Fixing format strings to remove 'z' size specifier.Bruce Dawson
As of the 2013 version VC++ still doesn't support the 'z' size specifier. This makes portable printing of size_t types frustrating. The simplest general solution is to use %u and cast to unsigned. If there was any possibility of the numbers getting larger than 32-bit then we would need better alternatives, but there is not. This was found through code inspection, through /analyze, and through pdfium_test print this non-helpful message: Loaded, parsed and rendered zu pages. Skipped zu bad pages. I can confirm that the fix works on Windows and it should work identically on mac. This is a follow-on to change 02e6ca4c4f. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/738433003
2014-11-17Removing unnecessary casts from wchar_t* to wchar_t*, by various names.Bruce Dawson
Remove casts that merely cast from wchar_t* to wchar_t*. Sometimes the types or casts are FX_LPCWSTR but the idea is the same. Excess casts can (and have) hidden bugs so removing these may prevent future problems. Original patch from Bruce Dawson(brucedawson@chromium.org) R=bo_xu@foxitsoftware.com, tsepez@chromium.org Review URL: https://codereview.chromium.org/730993002
2014-11-17Zero initialize ch to avoid possible bug - conditions are very subtle.Bruce Dawson
Whether ch and iRet are read without being initialized depends on complex preconditions and cannot be determined by looking at these function. Therefore it seems prudent to zero initialize them to avoid any risk. BUG=427616 R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/727083002
2014-11-17Add Bruce to AUTHORSBo Xu
R=jam@chromium.org Review URL: https://codereview.chromium.org/727403003
2014-11-16Rename functions in test code also -- fixing build-break from 2c021e0Bo Xu
Change 2c021e0 fixed spelling errors in a couple of functions, but didn't update the test code leading to two compilation errors. Fixed in this change. Original patch from Bruce Dawson(brucedawson@chromium.org) R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/727243002
2014-11-14Correct typo in form fill environment functionsBo Xu
Complementary patch in chromium is in https://codereview.chromium.org/711553003 R=thestig@chromium.org Review URL: https://codereview.chromium.org/700373006
2014-11-14Remove FX_LPCWSTR cast to wchar_t* literalsBo Xu
BUG=https://code.google.com/p/pdfium/issues/detail?id=78 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/726143002
2014-11-14Change from 'this' to L'this' and remove the cast that was hiding this mismatch.Bo Xu
Found by VC++'s /analyze. Warning was: fpdfsdk\src\javascript\js_runtime.cpp(352) : warning C6276: Cast between semantically different string types: char * to wchar_t *. Use of invalid string can lead to undefined behavior. This mismatch has been there as far back as the history goes (to May of this year). It looks like a real bug to me. However I don't know the implications of this bug and why it would not have been noticed at run-time. The code has been this way as far back as the git history goes, but that is only to May 2014. Original patch from Bruce Dawson(brucedawson@chromium.org) BUG=427616 R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/705503004
2014-11-14Fix build warning on android under stricter compilation rules.Tom Sepez
Error is "converting to non-pointer type 'FX_DWORD'". TBR=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/726033002
2014-11-13Build pdfium_test executable under GN.Tom Sepez
This is the first side of a two-sided patch; the dependency on //third_party/pdfium/samples will be included from //pdf/BUILD.gn in the chrome repo. BUG=https://code.google.com/p/pdfium/issues/detail?id=77 R=dpranke@chromium.org Review URL: https://codereview.chromium.org/720193004
2014-11-13Make DEPS use relative paths to fix recipeAneesh Mulye
Context: DEPS was originally added to pdfium to allow its recipe to automatically check out its dependencies. The recipe used absolute paths, and so the checkout directory's name ('pdfium') had to be prefixed to the directory checkout of every dependency, as gclient in the recipe worked one level above the pdfium checkout itself. After change fe4537269fc7133320a5131638757f2ffa6bd854, the recipe no longer worked. To fix this, I'm making DEPS use relative paths. BUG=375773 R=jam@chromium.org Review URL: https://codereview.chromium.org/724113003
2014-11-10Fix a bug when performing StretchDIBits on bit maskBo Xu
BUG=401988 R=vitalybuka@chromium.org Review URL: https://codereview.chromium.org/618073003
2014-11-06Fix bug with reading from uninitialized variable found by VC++'s /analyze.Tom Sepez
The flag variable is conditionally initialized but unconditionally read. Warning was: src\fpdfapi\fpdf_page\fpdf_page_pattern.cpp(274) : warning C6001: Using uninitialized memory 'flag'. BUG=427616 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/703213004
2014-11-06Adding constructor to _FX_SYSTEMTIME to resolve uninitialized read bugs ↵Tom Sepez
found by /analyze on some error paths Warning from /analyze was: src\third_party\pdfium\fpdfsdk\include\fsdk_mgr.h(96) : warning C6001: Using uninitialized memory 'fxtime'. Other error paths can also lead to reading from an uninitialized _FX_SYSTEMTIME object. Code-gen for the constructor is small enough (four writes of zeroed EAX with VC++, less with gcc) to make putting the constructor in a .cc file unnecessary. Approval of in-class member initialization would make this fix simpler but that has not quite been approved yet. BUG=https://code.google.com/p/pdfium/issues/detail?id=70 BUG=427616 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/692533005
2014-11-06Fix PDFium build with Windows GN.John Abd-El-Malek
R=scottmg@chromium.org Review URL: https://codereview.chromium.org/695183005
2014-10-30Undo an old change in freetype to account for size of USHORTBo Xu
BUG=418582 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/680833006
2014-10-30For v8 Global Object, do not copy in CJS_Value constructor.Tom Sepez
BUG=425129 R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/688303003
2014-10-30Update openjpeg to r2920Bo Xu
BUG=414036, 425151 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/688633003
2014-10-29Resolve compilation error with G++ 4.9.Tom Sepez
Add a check for zero-length keys to avoid hitting the equivalent of |""[1]|. BUG=https://code.google.com/p/pdfium/issues/detail?id=58 R=jun_fang@foxitsoftware.com Review URL: https://codereview.chromium.org/665223003
2014-10-22update openjpeg to r2911Bo Xu
BUG=418976, 425150, 414525 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/671943002
2014-10-21Change the clear order of pDocPage and pDocRenderBo Xu
pTransfer function is released in pDocRender cleanup but is still being accessed in ~CPDF_GeneralStateData in pDocPage cleanup. BUG=419320 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/662063003
2014-10-21Update openjpeg to r2908chromium/2202chromium/2201chromium/2200chromium/2199chromium/2198chromium/2197Bo Xu
BUG=414089, 414310, 414606 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/670813002
2014-10-21More fixes in sycc422_to_rgb and sycc420_to_rgb when image width is oddBo Xu
This patch is supplementary to issue 418881 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/645793007
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