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2016-06-07Check the hint table exists before using.dsinclair
It's possible for the hint table to not exist event though we have a hint key in the object database. If the table does not exist then return false from CheckHIntTables(). BUG=pdfium:512 Review-Url: https://codereview.chromium.org/2047723002
2016-06-07Verify we have a CJBig2_Image before attempting use.dsinclair
In CJBig2_SDDProc::decode_Arith we will set a SDNEWSYMS value to nullptr if the height or width are 0. With the PDF from the bug, all of the decoders are set to nullptr. Then, we call into CJBig2_TRDProc::decode_Arith and pull out one of the nullptr decoders and attempt to use it, crashing. This CL adds a check that we have a non-null decoder before attempting to use the decoder. BUG=pdfium:511 Review-Url: https://codereview.chromium.org/2048683002
2016-06-07Add missing const to CPDF_Stream::InitStream()tsepez
Review-Url: https://codereview.chromium.org/2044453003
2016-06-06Remove unused PS generation code.thestig
CFX_PSRenderer, IFX_PSOutput, CPSOutput, CPSPrinterDriver. Also reland commit 2d63eaa. Review-Url: https://codereview.chromium.org/2019603002
2016-06-06Get rid of unused android GetHandle() and FPF_HFONTtsepez
git grep FPF_HFONT git grep '\bGetHandle\b' show these are unused. Review-Url: https://codereview.chromium.org/2032793003
2016-06-03Fix more bugs found by /analyze toolweili
Three more bugs are discovered: -- potientially used freed pointer; -- potientially used uninitialized variable; -- Used '&&' instead of bitwise operator '&' BUG=chromium:613623, chromium:427616 Review-Url: https://codereview.chromium.org/2040503002
2016-06-03Fix some code which causes warnings when compiled by /analyze toolweili
The code may not cause error conditions, but can be improved. These warnings include uninitialized variables, signed/unsigned mismatch, redundant condition, and using bool in arithmetic operations. Also remove a chunk of unused code. BUG=chromium:613623, chromium:427616 Review-Url: https://codereview.chromium.org/2036203004
2016-06-02Fix all the code which has duplicate variable declarationsweili
When there are duplicate variable declarations, the inner names shadow the outter ones. This is error prone and harder to read. Remove all the instances found by /analyze. BUG=chromium:613623, chromium:427616 Review-Url: https://codereview.chromium.org/2027273002
2016-06-02Remove unused code for Arabic char and line handlingweili
The code is not used anywhere, and it may contain bugs. Review-Url: https://codereview.chromium.org/2036573002
2016-06-02The PDFium source in core/fxge/dib implements a bit-blitting backend.caryclark
This code has several disadvantages over a more modern graphics engine: - no SIMD support - no GPU support - limited quality Further, calling this code locks in the perceived resolution, so that the output cannot be scaled without additional loss. By directing all bitmap drawing through CFX_SkiaDeviceDriver::StartDIBits, Skia can handle all appropriate bitmap optimizations. To that end, SetDIBits and StretchDIBits now call StartDIBits. Other changes: Skia's bitmaps are premultiplied. PDF contains bitmaps that are unpremultiplied. PDFium appears to use premultiplied bitmaps sometimes, and unpremultiplied bitmaps elsewhere. Add a debug check for unpremultiplied bits in Skia's driver, and add a utility to premultiply PDFium's bitmaps' bits. PDFium supports a 24 bit RGB bitmap padded to a 32 bit word. Set the high byte so that Skia can treat this as an ARGB bitmap. Defer the application of the alpha value to the draw call rather than calling MultiplyAlpha where possible. Allow the destination bitmap to be alpha 8 or argb 32. Review-Url: https://codereview.chromium.org/2025043002
2016-06-01Change CFX_Font::GetPsName() to return a CFX_ByteString.thestig
So everyone can avoid doing Byte to WideString conversions. Also remove CFX_GEFont::GetPsName() and deduplicate a couple of GetPsName() calls. Review-Url: https://codereview.chromium.org/2019173002
2016-06-01Relax checks added in commit 8f3a311.chromium/2760chromium/2759chromium/2758chromium/2757chromium/2756thestig
Some shading types do not use these fields. Review-Url: https://codereview.chromium.org/2027053002
2016-06-01Validate the BitsPerFlag entry in shading dictionaries.thestig
BUG=616248 Review-Url: https://codereview.chromium.org/2020183004
2016-05-31Validate a couple of fields in shading dictionaries.thestig
BUG=616246 Review-Url: https://codereview.chromium.org/2022263003
2016-05-27Change IsGDIEnabled() to use a bool.Lei Zhang
TBR=tsepez@chromium.org Review URL: https://codereview.chromium.org/2017293002 .
2016-05-27Clean up some Android/Windows code.thestig
Review-Url: https://codereview.chromium.org/2004313007
2016-05-27Add back-pointer to "Associated widget" to CFWL_WidgetImp.tsepez
This is the last use of CFX_PrivateData, which is now removed. Review-Url: https://codereview.chromium.org/2016743002
2016-05-26Remove default arguments from CFX_FxgeDevice.thestig
Remove unused dithering code. Review-Url: https://codereview.chromium.org/2010813003
2016-05-26Fix a bug which may cause infinite loopweili
When the condition is "status == FXCODEC_STATUS_DECODE_TOBECONTINUE" while |status| never gets updated in the loop, it would enter infinite loop. Also, since Start_decode_MMR() never returns FXCODEC_STATUS_DECODE_TOBECONTINUE, there is no point to check on the return value for that. Review-Url: https://codereview.chromium.org/2013263002
2016-05-26Remove checks for _WIN32_WCE.thestig
Review-Url: https://codereview.chromium.org/2011563006
2016-05-26Make CPDF_IndirectObjectHolder::InsertIndirectObject return a bool.thestig
Fix some nits in CPDF_Parser::LoadCrossRefV5() and other callers. Review-Url: https://codereview.chromium.org/2019443002
2016-05-26skia: add bitmap color table supportcaryclark
Fix 2/4/8 bits per pixel bitmaps that PDFium transposes into 8 bpp indexed. R=tsepez@chromium.org,dsinclair@chromium.org,reed@google.com Review-Url: https://codereview.chromium.org/2011153002
2016-05-26Clean up CPDF_TextRenderer slightly.thestig
- Remove dead code - Remove default arguments - Move code into anonymous namespace Review-Url: https://codereview.chromium.org/2013023002
2016-05-26Remove default arguments in CFX_RenderDevice.thestig
Review-Url: https://codereview.chromium.org/2011943004
2016-05-26Remove default argument from RestoreState() methods.thestig
Review-Url: https://codereview.chromium.org/2009803003
2016-05-25Clean up fx_ge.h and IWYU.thestig
Review-Url: https://codereview.chromium.org/2009253003
2016-05-25Remove FX_GAMMA() and friends. They do nothing.thestig
Review-Url: https://codereview.chromium.org/2017503002
2016-05-25Banish CFX_PrivateData to the XFA sidetsepez
Remove an unused inheritance. The remaining usages are a little more intricate. Review-Url: https://codereview.chromium.org/2015743002
2016-05-25Remove CFX_PrivateData inheritance from CPDF_InterFormtsepez
It wasn't being used. Also rename a static member from m_ to s_, just because. Review-Url: https://codereview.chromium.org/2009393002
2016-05-25Remove CFX_PrivateData from CPDF_Documenttsepez
Replace it with two generic slots for Links and Codec usage. Since the codec is at a lower layer than the document, we don't provide separate get/set methods, since having a document upon which to call these would be a layering violation. Do the same for the Links for simplicity. Review-Url: https://codereview.chromium.org/2005193003
2016-05-25Remove CFX_PrivateData from CPDF_Pagetsepez
CFX_PrivateData served two purposes here: The first was to hold an opaque pointer to the corresponding page structure in the next higher layer, of which it knows no details. Introduce an empty CPDF_Page::View class to represent this higher class, so as to get type safety while preserving layering. The second was to hold an opaque render context, which it also happened to own. Make this a CFX_Deletable to help with management. Also remove an unused inheritance from CFX_PrivateData in CPDF_Annot. Review-Url: https://codereview.chromium.org/2008553008
2016-05-25get skia buildingcaryclark
Resolve changes to cpdf_shadingpattern.h that prevent Skia from building. R=thestig@chromium.org,dsinclair@chromium.org,reed@google.com BUG= Review-Url: https://codereview.chromium.org/2017463002
2016-05-25fix rotated and alpha bitmapscaryclark
Match the matrix supplied by PDFium to the one expected by Skia to draw bitmaps. Set up the color if the bitmap is an image mask. Additional work required to figure out when bitmap filtering should be applied. R=reed@google.com,dsinclair@chromium.org BUG= Review-Url: https://codereview.chromium.org/2004203003
2016-05-24Remove CFX_PrivateData from CPDF_ModuleMgrtsepez
Its only used to store one object, so replace it with a unique_ptr to a class with a virtual dtor. Rename the prototypical class with virtual dtor from CFX_DestructObject to CFX_Deletable. Rename the fx_basic_module.cpp to cfx_modulemgr.cpp to match the one class in it. Review-Url: https://codereview.chromium.org/2013483003
2016-05-23Change CPDF_Boolean to use bool instead of FX_BOOL.thestig
Review-Url: https://codereview.chromium.org/1999313002
2016-05-23Rename IFX_Unknown to IFX_Retainable.tsepez
Rename addRef() method to Retain() to match Release(). This CL does not convert to CFX_RetainPtrs, which will happen in a follow-on. Review-Url: https://codereview.chromium.org/2005933002
2016-05-23Remove dead code from CPDF_InterForm.thestig
Clean up related code. Review-Url: https://codereview.chromium.org/2003853003
2016-05-23Distinguish between user and owner passwords.thestig
BUG=pdfium:496 Review-Url: https://codereview.chromium.org/2005653002
2016-05-23Make CPDF_Function::Load() return an unique_ptr.chromium/2750chromium/2749chromium/2748thestig
Review-Url: https://codereview.chromium.org/2000973002
2016-05-23Use unique_ptr in CPDF_CidFonttsepez
Review-Url: https://codereview.chromium.org/2003833003
2016-05-23Clean up doc_ocg.cpp.thestig
Review-Url: https://codereview.chromium.org/2006483002
2016-05-23Delete CPDF_Object::IsModified().thestig
Review-Url: https://codereview.chromium.org/2001933002
2016-05-23Fix infinite recursion in CPDF_DocPageData::GetColorSpace().thestig
BUG=pdfium:497 Review-Url: https://codereview.chromium.org/2003873002
2016-05-21Get rid of CPDF_Object::GetArray().thestig
BUG=pdfium:234 Review-Url: https://codereview.chromium.org/2001783003
2016-05-20Add an enum to represent text rendering modes.thestig
Review-Url: https://codereview.chromium.org/1999553002
2016-05-20Use enum type for char type variablesweili
The mixed use of enum and uint32_t causes warnings. And it is more meaningful to use enum for char type variables. BUG=pdfium:29 Review-Url: https://codereview.chromium.org/2001733002
2016-05-20Merge GetBits32() impls into one. Put it in fxcrt.thestig
Review-Url: https://codereview.chromium.org/1990153003
2016-05-19Remove Release() from IFXCRT_FileAccess.tsepez
Remove some unused impls. Review-Url: https://codereview.chromium.org/1994323002
2016-05-19Fix the Skia build after 9b1a0ee.thestig
Review-Url: https://codereview.chromium.org/1996533004
2016-05-19Fix Undefined-shift in CPDF_SampledFunc::v_Init().thestig
Also fix a divide by zero in CPDF_SampledFunc. Do some cleanups too. BUG=596530,613032 Review-Url: https://codereview.chromium.org/1990843004
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