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2018-08-24Rename CFX_DIBSource to CFX_DIBBase.Tom Sepez
It is not a source from which you can get CFX_DIBs, but rather a base class from which all DIBs inherit. Do the same thing for the CPDF_DIBSource wrapper class. Mechanical change apart from adding a one-line comment in cfx_dibbase.h Change-Id: Id2bde87813ca301d9fafc55ce08d703dfc6a7184 Reviewed-on: https://pdfium-review.googlesource.com/41352 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-23Fix GCC build with V8 disabled.Lei Zhang
- Remove set, but otherwise unused variables. - Mark some pdfium_test code as V8-enabled only. - Do not build one unit test with GCC. Change-Id: I3f04273a7731086e08386478a62769bf06f6d8a4 Reviewed-on: https://pdfium-review.googlesource.com/41271 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-08-17Use more UnownedPtr<> in cpdf_renderstatus.h.chromium/3526Tom Sepez
This immediately flags a case where a pointer from a heap object to a caller's stack object is persisted past the caller's lifetime. Fix it the simplest way via AutoRestorer<> so we'll get a nice safe segv should it be used. Change-Id: I554304b235e73c279fa0cd79c9e3ee0138be45f9 Reviewed-on: https://pdfium-review.googlesource.com/40592 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-16Remove optional bool bType from GetFillArgb()Tom Sepez
Two variants make the intention much clearer. Change-Id: Ied0d8e6fa8c5524c19cafe8036d7c1b470fda86d Reviewed-on: https://pdfium-review.googlesource.com/40352 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-08-16Remove more optional args in core/Tom Sepez
Change-Id: I6a2bd03e00ad4e3d57f6931c0c6cf4ae0c760afb Reviewed-on: https://pdfium-review.googlesource.com/40290 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-15Make CPDF_RenderStatus::Initialize() saner.Tom Sepez
Move mandatory arguments to ctor. Replace long list of positional parameters with setter methods. Make Initialize() return void since it can't fail. Change-Id: I490118923855158891cf45eecd5de1e922a3a1fe Reviewed-on: https://pdfium-review.googlesource.com/40170 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-14Remove default args from CPDF_DIBSource::StartLoadDIBSource().Tom Sepez
Change-Id: I13f53f581487f643acf160f53d02e9af7d54cfd1 Reviewed-on: https://pdfium-review.googlesource.com/40151 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-14Remove more default arg = nullptr cases.Tom Sepez
Bring in line with standards. Remove argument entirely for mac code that is always nullptr. Change-Id: I0710bdbd51fc0bc2e1d428ef44976be39a631147 Reviewed-on: https://pdfium-review.googlesource.com/40091 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-10Remove const args and const_casts where not required.Tom Sepez
Introduce const/non-const versions of method where required. Part of the war on const_cast<>. Tidy one expression to use [] instead of .data(). Change-Id: I41e45669c79eee242ff2244c7dc3afcf6386a433 Reviewed-on: https://pdfium-review.googlesource.com/39852 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-08-10Add CFX_DIBSource::GetWritableScanline().Tom Sepez
Remove a bunch of const_cast<uint8_t*> or equivalent. This will also help when we convert to span<>, since casting spans is a nuisance. Change-Id: I330e5041cbaf33a84425fc4242a3dfacf5ca8011 Reviewed-on: https://pdfium-review.googlesource.com/39831 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-08-09Change CPDF_Font::GetNextChar()'s in-out parameter to pass by pointer.chromium/3518Lei Zhang
Instead of passing by non-const reference. Adjust the override in CPDF_CIDFont and CPDF_CMap::GetNextChar() as well. Change-Id: I0ee6dc21077101cbeeb0e334498075fc463a2d65 Reviewed-on: https://pdfium-review.googlesource.com/39492 Reviewed-by: Nicolás Peña Moreno <npm@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-08-07Change CPDF_Font::GetFace() to HasFace().Lei Zhang
Callers do not actually need the returned handle. Change-Id: I1b8c0be00809eb7fdae9f6e95b4b325e75f4b847 Reviewed-on: https://pdfium-review.googlesource.com/39491 Reviewed-by: Nicolás Peña Moreno <npm@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-08-04Use more text object state in DrawTextPathWithPattern().chromium/3514chromium/3513chromium/3512Lei Zhang
BUG=chromium:668762 Change-Id: Iaf3fc9bcf68b8da2c947bbd78c5d72f78195b621 Reviewed-on: https://pdfium-review.googlesource.com/35991 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-07-18Improve image size validation in CPDF_ScaledRenderBuffer.Lei Zhang
In CPDF_ScaledRenderBuffer::Initialize(), use the existing CFX_DIBitmap::CalculatePitchAndSize() function to figure out the pitch and size. Unlike the existing code, CalculatePitchAndSize() does a better job of checking for integer overflows. BUG=pdfium:1123 Change-Id: Ic8fe7226bc56fed0456486d88e02a7af2928bc94 Reviewed-on: https://pdfium-review.googlesource.com/38010 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-07-12Rename 'ori' to 'backdrop' in rendering code.Lei Zhang
Change-Id: I6fa3fd93638bc3aeaaef854676fe31476888433b Reviewed-on: https://pdfium-review.googlesource.com/37671 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-07-10Fix m_ExtGID usage in CPDF_CharPosListNicolás Peña
This CL allows Apple to use m_GlyphIndex as a replacement for m_ExtGID when it is invalid. Bug: pdfium:1121 Change-Id: I49e7936201815bae5a2c8a26680fc1e542a60c43 Reviewed-on: https://pdfium-review.googlesource.com/37390 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-07-05Fix integer overflow in CPDF_Type3Cachechromium/3483Nicolas Pena
Bug: chromium:845800 Change-Id: Ib878dd991e435a76b63b662ef3d9d33c2cc61a19 Reviewed-on: https://pdfium-review.googlesource.com/37191 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-07-05Delete CPDF_ContentMark::HasRef()Henrique Nakashima
This is called by many client to make sure CountItems() does not crash. Moving the check to CountItems() makes HasRef() unnecessary. Bug: pdfium:1037 Change-Id: I4f21f33a88c9aad54f0dae18a38b370c6ceaec80 Reviewed-on: https://pdfium-review.googlesource.com/37133 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-06-29Better determine if ICC colorspaces can be used for blending.Lei Zhang
Implement CPDF_ColorSpace::IsNormal() and check it when rendering. While IsNormal() is trivial for most colorspaces, it needs to be implemented separately for ICC colorspaces. This fixes a rendering regression from commit 1c0de38c. BUG=chromium:847346 Change-Id: Iaafed3f8ee40b26ac2cbfbdf2251407f7935311b Reviewed-on: https://pdfium-review.googlesource.com/36571 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-26Add some more consts to unowned pointers.Tom Sepez
Ideally, unowned ptrs might well be const, as updating something through an unowned reference is best avoided. Change-Id: Ida8111ffe0ee1e30bbf6b7718b0929dfb5cafdff Reviewed-on: https://pdfium-review.googlesource.com/36050 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-25Combine common code into CPDF_RenderStatus::ClipPattern().Lei Zhang
Change-Id: I53ce4ee699644b0a30132e642b8f466cd9b6e7b1 Reviewed-on: https://pdfium-review.googlesource.com/35972 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-25Make DrawRadialShading() slightly more compact.Lei Zhang
Change-Id: Ic0e528d01338a349deb1ee5a91372b132959e4ae Reviewed-on: https://pdfium-review.googlesource.com/35971 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-06-21Avoid const-refs to implicitly constructed strings.Tom Sepez
Because the invisible temporary goes out of scope at the next semicolon. Also avoid returning const string references since the cost is low to properly keep the string alive. Change-Id: Id283e4fd99f79a02d79d739a533a4ce05e831e2a Reviewed-on: https://pdfium-review.googlesource.com/35710 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-13Remove CFX_FixedBufGrow from cpdf_renderstatus.cppNicolas Pena
Bug: pdfium:177 Change-Id: I58fe339d5a0a962215c5cb29c963b37b86832637 Reviewed-on: https://pdfium-review.googlesource.com/35113 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-13Remove almost all usages of CFX_FixedBufGrow from cpdf_dibsource.cppNicolas Pena
This CL removes all the usages of CFX_FixedBufGrow, except for one that would cause performance issues for our corpus tests. Bug: pdfium:177 Change-Id: I0ad76c14f713b116cf7dce50606554e3b03d9f2c Reviewed-on: https://pdfium-review.googlesource.com/35150 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-07Rename CPDF_PageObjectHolder::GetFormDict() to GetDict().Henrique Nakashima
Renamed the underlying member m_pFormDict as well. These names are misleading, as a page also uses the same field as the page dict. Change-Id: I52e0f1864a917a1e1b863725cb0d4f22faecacb3 Reviewed-on: https://pdfium-review.googlesource.com/34450 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-06-05Tidy parser lifecycle state machine in CPDF_PageObjectHolder.Tom Sepez
Only update state in CPDF_PageObjectHolder itself. Make more data private. Remove CPDF_Page::GetPageBBox() as exact duplicate of CPDF_PageObjectHolder::GetBBox(). Change-Id: I083ec33f61a1490e7a5e673c9787751af15a6cd1 Reviewed-on: https://pdfium-review.googlesource.com/33810 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-05Revert "Create m_ContentStream field in CPDF_PageObject."Henrique Nakashima
This reverts commit d3d8287e143daf12a602a919c120b4e0c656abf8. Reason for revert: Need to revert https://pdfium-review.googlesource.com/c/pdfium/+/33595 that this depends on. Original change's description: > Create m_ContentStream field in CPDF_PageObject. > > Content streams are now split and can set nonzero values to identify > each parsed content stream. > > Bug: pdfium:1051 > Change-Id: Ia2cb1e0997db5264d468043af31f9b41e8d0d349 > Reviewed-on: https://pdfium-review.googlesource.com/33591 > Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> > Reviewed-by: Ryan Harrison <rharrison@chromium.org> TBR=thestig@chromium.org,hnakashima@chromium.org,rharrison@chromium.org Change-Id: I5046b6a76508fccc0ff04cb7393cae6485dd091f No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: pdfium:1051 Reviewed-on: https://pdfium-review.googlesource.com/33990 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-06-05Create m_ContentStream field in CPDF_PageObject.Henrique Nakashima
Content streams are now split and can set nonzero values to identify each parsed content stream. Bug: pdfium:1051 Change-Id: Ia2cb1e0997db5264d468043af31f9b41e8d0d349 Reviewed-on: https://pdfium-review.googlesource.com/33591 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-31Clean up some nits in CPDF_Type3GlyphNicolas Pena
Change-Id: Ia466bb0119d914794b0d7ed9385547a7be245858 Reviewed-on: https://pdfium-review.googlesource.com/33312 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-05-31Handle image mask continuous loading correctlyWei Li
When image mask doesn't need multi-steps to load, ContinueLoadMaskDIB() will return LoadState::kFail as result. For this case, the loading should continue as usual instead of aborting. BUG=pdfium:1087 Change-Id: I5c43a67e43469ac7febca4c0cf1faa96ee105206 Reviewed-on: https://pdfium-review.googlesource.com/33310 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Wei Li <weili@chromium.org>
2018-05-30Exclude certain colorspace types for calculating transparency backdrop color.Lei Zhang
Per discussion for the "CS" entry in the PDF 1.7 spec table 7.13, several types of colorspaces do not meet the requirements of this particular colorspace entry. In terms of implementation, this avoids hitting a NOTREACHED() in CPDF_PatternCS::GetRGB(). BUG=chromium:847346 Change-Id: If994a91cdcd84b8977196256ee6926e20c4b74aa Reviewed-on: https://pdfium-review.googlesource.com/33210 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-29Get rid of FXARGB_MAKE macro.Lei Zhang
ArgbEncode() does the same thing. Change-Id: Ibb05ed4aae720c0a5ba66771699c0d7e11230921 Reviewed-on: https://pdfium-review.googlesource.com/32230 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-28Revert 'Remove almost all usages of CFX_FixedBufGrow with std::vector'chromium/3444Nicolas Pena
This is a manual revert of the CL at: https://pdfium-review.googlesource.com/c/pdfium/+/32159 The only file manually changed was cpdf_renderstatus.cpp Reason for revert: the bug below shows that sometimes the vector size used is larger than the parameter given to CFX_FixedBufGrow. Thus, we will revert, then add vectors using std::max unless it's clear from the code that the code will never access indices outside. Bug: chromium:847247 Change-Id: Iee54af023c8564824418a7d34a6385b0bc418ff0 Reviewed-on: https://pdfium-review.googlesource.com/33050 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-05-28Add const/non-const versions of remaining CPDF_Dictionary methods.Lei Zhang
GetObjectFor() and GetDirectObjectFor(). Change-Id: I588cd994dfccf0ffd4c8f91362a4806dc109251e Reviewed-on: https://pdfium-review.googlesource.com/32991 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-25Add proper const/non-const versions of CPDF_Dictionary::GetArrayFor().Lei Zhang
BUG=pdfium:234 Change-Id: I5c900aa0547afef0c60de35422b4ee489daa6cfb Reviewed-on: https://pdfium-review.googlesource.com/32913 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-25Add proper const/non-const versions of CPDF_Dictionary::GetStreamFor().chromium/3441Lei Zhang
BUG=pdfium:234 Change-Id: Ia3e758bbe5c445c3856f5215e900e02a16b4d7d7 Reviewed-on: https://pdfium-review.googlesource.com/32910 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-22Make friend RetainPtr<T> statements consistently public.Lei Zhang
Also make destructors private for RetainPtr sub-classes, and add missing destructors. Change-Id: I451bf0aae2dae943b1f450d0aa4ca5124dc578fd Reviewed-on: https://pdfium-review.googlesource.com/32853 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-17Update third_party/base/compiler_specific.h.Lei Zhang
Import Chromium's base/compiler_specific.h from r537069. Now that FALLTHROUGH is available via compiler_specific.h, remove FX_FALLTHROUGH. Change-Id: I8b9631a4f007673e10e0c26951dfd61e9dcada30 Reviewed-on: https://pdfium-review.googlesource.com/32639 Reviewed-by: Nico Weber <thakis@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-14Cleanup CPDF_Form parsing codechromium/3431Dan Sinclair
This CL folds the StartParse() method of CPDF_Form into the ParserContent method. The no arguments ParseContent is removed and ParseContentWithParams renamed to ParseContent. The callsites are updated to pass the nullptr's. Bug: chromium:813349 Change-Id: I304b77aef1de1b9aa20e4a3044db5023f5701584 Reviewed-on: https://pdfium-review.googlesource.com/32511 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-11Use more smart pointer types in CPDF_DIBSource.Tom Sepez
Use one std::vector<>, too. As a result, make GetDecodeAndMaskArray() update that member directly rather than forcing callers to assign to it each time. Change-Id: I51a039b9e8cce7ff885edf395622eaf6a5c4816a Reviewed-on: https://pdfium-review.googlesource.com/32313 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-10Add CPDF_Transparency.Lei Zhang
Encapsulates transparency status instead of having it be a raw int. Change-Id: I8b10dafa97da112795cf84c46cf416a0294551d5 Reviewed-on: https://pdfium-review.googlesource.com/32194 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-10Fix destruction order in CPDF_Dibsource.Tom Sepez
The order of the elements in the header is correct, but we were clearing it early in the destructor itself. Bug: 840695 Change-Id: I1585722fed8dc672ffd5e1dc9a1eea1c7c80f310 Reviewed-on: https://pdfium-review.googlesource.com/32311 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-09Mark numerious pointers as const.Lei Zhang
They are mostly CPDF_Object* and derived classes, but others that should be are marked const as well. Change-Id: Ib3344d7d8db90940df8edc97c0dd6c59da080541 Reviewed-on: https://pdfium-review.googlesource.com/32180 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-09Add constants for PDF 1.7 spec, table 7.13.Lei Zhang
BUG=pdfium:1049 Change-Id: I3a589fe51f2e584dc130ba31faa144d4494a1b08 Reviewed-on: https://pdfium-review.googlesource.com/32179 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-09Break backcolor code out of CPDF_RenderStatus::LoadSMask().Lei Zhang
Fix some nits in the code in the process. Change-Id: I660b3bf547823a11bc291ed2dd1ec19a76b24b5b Reviewed-on: https://pdfium-review.googlesource.com/32178 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-08Remove almost all usages of CFX_FixedBufGrow with std::vectorNicolas Pena
Tested by running safetynet_compare.py on this patch vs master. The results were 0 regressions and 0 improvements. The two remaining usages cannot be replaced because they would cause a regression. Bug: pdfium:177 Change-Id: I43eddf4ffaac2eb063f2004d6606bc3cd6e627ac Reviewed-on: https://pdfium-review.googlesource.com/32159 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2018-05-08Move CalculatePitch8() to core/fxcodec.Lei Zhang
Use it in more places there. Change-Id: I477670a5946ec9033ad5f2bef0fbcddb52682066 Reviewed-on: https://pdfium-review.googlesource.com/31271 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-07Add some getters for CPDF_PageObjectHolder.Lei Zhang
Change-Id: I3fe99ecb17d37f893ce5d0d59219c82ee31fe7ea Reviewed-on: https://pdfium-review.googlesource.com/32110 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-07Initialize CPDF_RenderStatus members in the header.Lei Zhang
Also move static private members into the .cpp file. Change-Id: Idbbdc7c78ac4199968888466caa20c58a5653dfd Reviewed-on: https://pdfium-review.googlesource.com/32151 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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