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2016-04-21Assert that CFX_ strings are pointer-size.tsepez
The principle has been implicit in the implementation, but make it obvious for future generations. Review URL: https://codereview.chromium.org/1904143002
2016-04-21Only call shading code with streams.dsinclair
There are 4 types of meshes that attempt to convert the shading object into a stream. According to spec (section 8.7.4.1 table 76), the shading object can be a stream or a dictionary. All of this shading code assumes it can load the mesh from a stream. The original code just early exited if it was not a stream. We skip the call if it is not a stream. BUG=pdfium:481 Review URL: https://codereview.chromium.org/1908903003
2016-04-21Remove CFX_ArrayTemplate from CPDF_LinkExtracttsepez
Use unqiue_ptrs while we're at it, also better ctor. Review URL: https://codereview.chromium.org/1896303002
2016-04-20Inline CFX_WideString::c_str.dsinclair
This was causing issues at one point with the GN build but seems to have been resolved in the meantime. Review URL: https://codereview.chromium.org/1907563002
2016-04-20Standalone GN build.dsinclair
This CL setups up a standalone GN build. You'll need to set gn args similar to: use_goma = true clang_use_chrome_plugins = false pdf_enable_xfa = true pdf_enable_v8 = true pdf_is_standalone = true The third_party/pymock files are needed to make git cl upload work correctly. BUG=pdfium:106 Review URL: https://codereview.chromium.org/1904563002
2016-04-20Cleanups from prior CLs.dsinclair
This cleans up the Initialize methods and the ownership in CPDF_Creator. Review URL: https://codereview.chromium.org/1902713003
2016-04-19Re-enable warning 4701 for GN (re-land)weili
Remove one left warning from GN Release build. Review URL: https://codereview.chromium.org/1904473003
2016-04-19Remove a few more char* members from structs/classes.tsepez
This is a result of looking for the anti-paterns /char\*\sm_/ and /m_.*=.*\.c_str/ which indicate that a class may be using the contents of a string without extending the lifetime of the underlying storage. Along the way, change to uint8_t in fx_dib; this is unrelated but avoids grep hits (it is binary, not chars anyways). Also remove two string operators that make it easy to assign in a manner that does not extend contents lifetime. Review URL: https://codereview.chromium.org/1902953002
2016-04-19Remove IPDF_TextPage, IPDF_TextPageFind and IPDF_LinkExtract interfaces.dsinclair
Each was only used by one subclass. Removed and used the concrete classes. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1897993002
2016-04-19Remove IPDF_CryptoHandler and IPDF_SecurityHandler.dsinclair
This CL replaces the interfaces with the concrete classes. The concrete classes are also renamed to remove the Standard from their names. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1898173002
2016-04-15Avoid narrowing to StringC in CPDF_Name and CPDF_NameTreetsepez
Remove redundant CPDF_Name constructors given promotion rules. Rework one char* in CPDF_PageContentGenerator. Review URL: https://codereview.chromium.org/1890973006
2016-04-15Prevent a potential OOB read in TranslateImageLine.ochang
Fixes a potential mismatch of |m_nComponents| between CPDF_DIBSource and its CPDF_ColorSpace, from code attempting to recover from a failed decoder initialisation in CPDF_DIBSource::CreateDecoder. BUG=chromium:603518 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1892143003
2016-04-14Explicity use CFX_ByteStrings in a couple of placestsepez
These are exposed by making the ByteString from ByteStringC ctor explicit, but we can clean them up independently. Review URL: https://codereview.chromium.org/1884363002
2016-04-14Avoid string allocs for CMap_GetString() return value.tsepez
StringC's are all that's needed here. Also CMap_GetString() and GetCode() are side-effect free, so remove calls where the value is not used. Review URL: https://codereview.chromium.org/1889003002
2016-04-14Still more comments about stringstsepez
TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1888843004
2016-04-14Update comments about string constructorstsepez
TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1887003003
2016-04-14Avoid needless construction of CFX_ByteStrings during string buildingtsepez
There are perfectly fine operators for adding to an existing string without first duplicating the arguments. Review URL: https://codereview.chromium.org/1891953002
2016-04-14Rename CFX_ByteTextBuf::GetByteString() to AsStringC().tsepez
Do the same for CFX_WideTextBuf as well. The name is confusing because these return CFX_ByteStringC, not CFX_ByteString. The AsStringC naming gives parallelism with the string types themselves, and may help to indicate that the result is only good for the lifetime of the object being operated upon. Review URL: https://codereview.chromium.org/1886263003
2016-04-14Make CPDF_ApSettings take CFX_ByteString args.tsepez
These are immediately used to access a dictionary, so the use of static CFX_ByteStringCs may force duplicate allocations. BUG= Review URL: https://codereview.chromium.org/1888893002
2016-04-14Make CPDF_Dictionary methods take CFX_ByteString argumentstsepez
This will help avoid duplicate allocation of CFX_ByteStrings when the caller already has one. It may seem counter-intuitive that requiring the caller to pass an allocated CFX_ByteString rather than a static CFX_ByteStringC would improve the situation, but due to the idiosyncrasies of std::map, the CPDF_Dictionary methods must always do an allocation under the covers which can't be avoided. The changed callers in this CL are places where we would previously demote to CFX_ByteStringC and then allocate a a duplicate CFX_ByteString in the dictionary method. Review URL: https://codereview.chromium.org/1889863002
2016-04-14Replace calls to deprecated CFX_{Wide,Byte}String::Empty()tsepez
Use the more standard name "clear()" instead. Review URL: https://codereview.chromium.org/1888103002
2016-04-14skia bugs found with first test pdfcaryclark
The first PDF attempted by the Skia infra team uncovered three bugs. This gets past those bugs crashing; more work to do to get the correct output. R=rmistry@google.com,dsinclair@chromium.org BUG=skia:5183 Review URL: https://codereview.chromium.org/1887073002
2016-04-13Remove implicit cast from CFX_WideString to (const wchar_t*)tsepez
BUG= Review URL: https://codereview.chromium.org/1882043004
2016-04-13Remove implicit cast from CFX_ByteString to (const char*).tsepez
BUG= Review URL: https://codereview.chromium.org/1885973002
2016-04-13Add iterators and unit tests for CPDF_Array classweili
Add iterators to enable range based for loop. Also add unit tests for recent modified functions. Review URL: https://codereview.chromium.org/1878803002
2016-04-13Cleanup IFPF_* interfaces.dsinclair
This CL removes the IFPF_DeviceModule, IFPF_FontMgr and IFPF_Font interfaces in favour of their concrete classes. BUG=pdfium:467 Review URL: https://codereview.chromium.org/1881043004
2016-04-13Re-enable warning 4701 for GN build and some cleanupweili
Clean up three 4701 warnings (use potientially uninitialized variable) which are the only ones left; Re-enable warning 4701 for GN build; Remove an unused data structure; BUG=pdfium:29 Review URL: https://codereview.chromium.org/1885093002
2016-04-12Cleanup various IFX_ text interfaces.dsinclair
This CL removes IFX_ArabicChar, IFX_RTFBreak, IFX_TxtBreak, IFX_WordBreak, IFX_FormatString, and IFX_GSUBTable. References were updated to be the concrete classes. The CFX_GSUBTable was also removed as it is unused. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1882213002
2016-04-12Fix the code which causes Windows GN build warningchromium/2709chromium/2708chromium/2707weili
The signed/unsigned comparison is causing the chromium windows GN build broken. Review URL: https://codereview.chromium.org/1884773002
2016-04-12Prevent an OOB access in CPDF_DIBSource::TranslateScanline24bppochang
if |m_Family| was RGB, the code assumed there were 3 components, which may not be the case. BUG=chromium:602046 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1877033003
2016-04-12Remove IFDE_Pen and IFDE_Brush.dsinclair
This Cl removes the two interfaces and renames CFDE_SolidBrush to CFDE_Brush. Uncalled methods are removed from both CFDE_Brush and CFDE_Pen and code simplified to match. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1881803003
2016-04-12Fix Windows 32-bit GN build.ochang
R=tsepez@chromium.org,weili@chromium.org Review URL: https://codereview.chromium.org/1879083002
2016-04-12Remove ICodec_* Interfaces.dsinclair
All of the ICodec_* interfaces had a single implementation. This CL removes the interfaces and uses the concrete classes in their place. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1876023003
2016-04-12Record all fonts, not just one per charset.dsinclair
Attempting to open bug_434.pdf on my Linux box would fail with: ../../xfa/fxfa/app/xfa_fwltheme.cpp:96: virtual FWL_ERR CXFA_FWLTheme::Initialize(): Assertion `__null != m_pCalendarFont' failed. I tracked the regression back to [1]. The issue seems to be in CFX_FontManager::AddInstalledFont we will only add one font for a given Charset. In my case I end up loading 6 charsets, but the fonts are all strange ones. When I open the PDF, it fails to find 'Arial' because I've registered these other fonts. To fix this I changed the m_FaceArray into a struct of {name, chraset}. Then we record all fonts into this list and search over that list for the charset when needed. This allows bug_434.pdf to open and the test to pass successfully. 1- https://pdfium.googlesource.com/pdfium/+/fe73e7849b8b4ce49408d2f52f3fc29b370b82b5 Review URL: https://codereview.chromium.org/1874433002
2016-04-12flesh out gradient shaderscaryclark
Using these webpages as guides http://www.globelegislators.org/pdfjs/test/pdfs/alphatrans.pdf http://www.antennahouse.com/antenna1/wp-content/uploads/2015/07/background-image-gradient-1.pdf flesh out the gradient shaders to include the PostScript Type 0 sampling function and to include radial gradients. This CL makes rendering these pages agree with Adobe Reader output. Some of these examples use an Extend array to clip the gradient. Skia does not currently support this natively, so construct the clip manually for now. Other PDF pages may construct gradients using alternate mechanisms -- this code will continue to be refactored as those come to light. In particular, this CL sets up the clip and matrix differently for axial gradients and radial gradients -- while it makes sense to do it one way only, I prefer to defer until I have more examples to work with. R=dsinclair@chromium.org,tsepez@chromium.org Review URL: https://codereview.chromium.org/1870463002
2016-04-11Remove CPDF_Object::GetConstString and overridestsepez
GetConstString() has sharp edges in that when applied to a CPDF_Number, it must return null whereas GetString() returns a the stringified number, because of the inability to control the lifetime of the underlying allocated string. Deleting this method showed several places where we actually wanted a *String, not a *StringC, so we were re-allocating a string we already had. Review URL: https://codereview.chromium.org/1879683002
2016-04-11Make CFX_{Byte,Wide}String::Remove() no-touch if possibletsepez
Don't try to copy the string until we are sure we need to change it. Review URL: https://codereview.chromium.org/1877993002
2016-04-11Fix integer issues leading to out of bounds access in fx_ge_text.cpp.ochang
- Using |-skew| to get positive index, which doesn't work when skew is INT_MIN - Incorrect logic when determining when to use |-skew| as an index. R=tsepez@chromium.org,weili@chromium.org BUG=chromium:601362 Review URL: https://codereview.chromium.org/1875673004
2016-04-11Avoid copying in TrimRight() and TrimLeft() if possible.tsepez
Make Byte and Wide code identical while at it. Review URL: https://codereview.chromium.org/1877553002
2016-04-11fix infinite loops when rebuild the cross reference tablejinming_wang
BUG=chromium:401189 Review URL: https://codereview.chromium.org/1871373002
2016-04-11Use std::vector as internal storage for CPDF_ArrayWei Li
Replace the usage of CFX_ArrayTemplate inside CPDF_Array, which has non-standard APIs such as GetSize() returns int. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1867183002 .
2016-04-11Remove IFX_AdditionalFontMgr and IFX_FontMgrDelegate.dsinclair
Neither are implemented. Removed. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1872463002
2016-04-08Make converstion explicit from CFX_ByteString to uint8_t*tsepez
BUG= Review URL: https://codereview.chromium.org/1868293002
2016-04-08Rename both As{Byte,Wide}StringC() helpers to AsStringC().tsepez
The naming is redundant given the base type, and will stand in the way of consolidating Byte and Wide code. BUG= Review URL: https://codereview.chromium.org/1862123003
2016-04-08Remove CFX_ByteString::Load() and operator= for CFX_ByteTextBuftsepez
The few places these are called are better served by explicit calls to CFX_ByteString() itself. This helps make Byte and Wide strings more similar. Also prevents fx_string.h from having any knowledge of fx_basic.h's ByteTextBuf class. Review URL: https://codereview.chromium.org/1870043003
2016-04-08Make CFX_WideString::FromLocal() take a CFX_ByteStringC argtsepez
It doesn't persist the string beyond the duration of the call, hence it should take the *StringC variant. Doing so avoids some allocs by changing to the *StringC ctor in a few places, at the cost of some explicit .ToByteStringC() calls (which are cheap). Review URL: https://codereview.chromium.org/1862953004
2016-04-07Remove unused ICodec_Jbig2Encoderdsinclair
Never implemented, never used. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1867573004
2016-04-06Make wide strings use StringData templatetsepez
Shuffled the order of methods in fx_basic_wstring.cpp to match those in fx_basic_bstring.cpp. The way to review this patch is to diff those two files against each other. They are beginning to converge. Re-ordered some parameters in Concat() so that the string comes before its length. It feels wrong otherwise. Review URL: https://codereview.chromium.org/1846793002
2016-04-06Remove CFX_SegmentedArray.tsepez
Recent changes appear to have made this unused. Review URL: https://codereview.chromium.org/1864813003
2016-04-06Remove IFX_FontEnumeratordsinclair
Interface is never implemented. BUG=pdfium:468 Review URL: https://codereview.chromium.org/1864893003
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