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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
2016-04-14Rename 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_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
2016-04-13Remove 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
2016-04-13Re-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
2016-04-12Prevent 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 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
2016-04-12flesh 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
2016-04-11fix 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 .
2016-04-08Make 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
2016-04-06Move include/fxcodec to fxcodec/includedsinclair
Review URL: https://codereview.chromium.org/1864153002
2016-04-06Rename FX_SAFE_DWORD to FX_SAFE_UINT32dsinclair
We removed the FX_DWORD typedef in favour of uint32_t. This CL cleans up the FX_SAFE_DWORD naming to match. BUG=pdfium:81, pdfium:470 Review URL: https://codereview.chromium.org/1861403002
2016-04-06Move core/include/fxge to core/fxge/include.dsinclair
This CL is a straight move of the fxge includes into core/fxge/include. Review URL: https://codereview.chromium.org/1868533002
2016-04-05Remove dead image decoding/caching code.thestig
Review URL: https://codereview.chromium.org/1860223002
2016-04-05Rename GetCStr and GetPtr to match CFX_ByteString.dsinclair
This CL updates CFX_ByteStringC to use the more common c_str and raw_str instead of GetCStr and GetPtr. Review URL: https://codereview.chromium.org/1857713003
2016-04-04Make down-conversion explicit from CFX_ByteString to CFX_ByteStringC.tsepez
Having this happen implicitly can be dangerous because the lifetime has to be considered; we should have caught the "red bots" in https://codereview.chromium.org/1847333004/#ps60001 at compile time. Review URL: https://codereview.chromium.org/1853233002
2016-04-04Remove _FXBSTR* and calls to FX_BSTRC.dsinclair
This CL removes _FXBSTR and changes FPDF_AbbrPair to hold two FX_CHAR pointers. The two remaining uses of FX_BSTRC() were in unused FDE_CSS defines which have been removed. BUG=pdfium:151 Review URL: https://codereview.chromium.org/1847333004
2016-03-31Re-enable all the windows warnings except 4267weili
The code is changed or had been changed to no longer generate these warnings. It is safe to re-enabled these warnings. In this code change, we fixed some code which generates warnings 4018 (signed/unsigned mismatch) and 4146 (unary minus operator applied to unsigned type, result still unsigned). Warning 4333 (right shift by too large amount, data loss) and 4345 (an object of POD type constructed with an initializer of the form () will be default-initialized) are no longer generated. The same setting is applied and verified for GN build as well. BUG=pdfium:29 Review URL: https://codereview.chromium.org/1849443003
2016-03-30Rename _CPDF_UniqueKeyGen to CPDF_UniqueKeyGendsinclair
Review URL: https://codereview.chromium.org/1841313004
2016-03-29Code change to avoid signed/unsigned mismatch warnings.Wei Li
This makes pdfium code on Linux and Mac sign-compare warning free. The warning flag will be re-enabled after checking on windows clang build. BUG=pdfium:29 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1841643002 .
2016-03-29Rename GetElementValue() to GetDirectObject{By,At}().tsepez
Every time I read this code, I have to make the mental substituion that "Element value" means "de-ref indirect object", so it might as well just say so. BUG= Review URL: https://codereview.chromium.org/1841173002
2016-03-28Cleanup one mac headerWei Li
Remove unimplemented/unused class, and other cleanup R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1834063002 .
2016-03-28Reduce signed/unsigned comparison warningsWei Li
The warnings generated by Clang. This is part 1 for some simple cases. BUG=pdfium:29 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1840483003 .
2016-03-25Remove FX_DWORD from core/ and delete definitionchromium/2695chromium/2694chromium/2693chromium/2692tsepez
Review URL: https://codereview.chromium.org/1832173003
2016-03-25support gradients and stroke+fillcaryclark
To draw paths that are stroked and filled with a pair of colors, reduce the fill by the width of the stroke. This is implemented with path ops subtracting the resolved stroke shape from the fill shape. This permits rendering the result without requiring an offscreen bitmap. The implementation for stroke+fill requires a new entry into the graphics engine, so a bit was added to device caps for that. Extract the gradient information out of the axial gradient function descriptions, and when possible, use Skia to draw the linear gradient directly. This requires making the function descriptions non-opaque, and adding a bit to device caps for another entry into the graphics engine. BUG= Review URL: https://codereview.chromium.org/1828283002
2016-03-25Replace CFX_DWordArray with CFX_ArrayTemplate<FX_DWORD>.Tom Sepez
First step to getting rid of FX_DWORD. R=ochang@chromium.org Review URL: https://codereview.chromium.org/1832113003 .
2016-03-25Remove unused params of CPDF_Image::SetImage.dsinclair
The last 3 params of CPDF_Image::SetImage are unused, remove and cleanup logic. BUG=pdfium:194 Review URL: https://codereview.chromium.org/1831263002
2016-03-24Added bounds checking to GetNameFromTT to handle corrupt files.Tom Sepez
Patch by forshaw. This patch adds bounds checking to the names buffer passed to GetNameFromTT. There are observed crashes in this function where data is read outside of the bounds allocated and passed to GetNameFromTT. There's no reason that this function should ever try and read outside of the allocated bounds. BUG=583037 TBR=forshaw@chromium.org patch from issue 1829013002 at patchset 40001 (http://crrev.com/1829013002#ps40001) Review URL: https://codereview.chromium.org/1830243003 .
2016-03-24Remove strange integral constants for "true", "false", "%PDF".Tom Sepez
Compilers have good inline memcmp nowadays, so we don't have to resort to old tricks. Remove FXDWORD_FROM_LSBFIRST and FXDWORD_FROM_MSBFIRST while we're at it. MSBFIRST was technically wrong due to promotion to int. R=dsinclair@chromium.org Review URL: https://codereview.chromium.org/1834553002 .
2016-03-23Split core/include/fpdfapi/fpdf_resource.hdan sinclair
This CL splits apart the core/include/fpdfapi/fpdf_resource.h file and places the classes into individual files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1824033002 .
2016-03-23Move core/include/fxcrt to core/fxcrt/include.Dan Sinclair
This CL moves the fxcrt code into the core/fxcrt directory. The only exception was fx_bidi.h which was moved into core/fxcrt as it is not used outside of core/. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1825953002 .
2016-03-23Fix win/clang part 2.Dan Sinclair
After moving EmbeddedUnicodeFromCharcode the IsValidEmbeddedCharcodeFromUnicodeCharset method is no longer used on windows. TBR=weili@chromium.org Review URL: https://codereview.chromium.org/1827823002 .
2016-03-23Fix build on win/clangDan Sinclair
EmbeddedCharcodeFromUnicode is not used on windows anymore and clang complains. TBR=weili@chromium.org Review URL: https://codereview.chromium.org/1828673002 .
2016-03-22Re-enable MSVC warning 4702Wei Li
BUG=pdfium:29 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1821423002 .
2016-03-21Make predefined character table slightly smaller.Tom Sepez
Add a few missing consts and remove a few extra externs. R=ochang@chromium.org Review URL: https://codereview.chromium.org/1817283002 .
2016-03-21Remove FX_WORD in favor of uint16_t.Tom Sepez
It isn't buying us anthing, and it looks strange in a struct when other uint types are already present. R=dsinclair@chromium.org Review URL: https://codereview.chromium.org/1821043003 .
2016-03-21Re-enable several MSVC warningsWei Li
Re-enable the following warnings: 4245: signed/unsigned conversion mismatch; 4310: cast may truncate data; 4389: operator on signed/unsigned mismatch; 4701: use potentially uninitialized local variable; 4706: assignment within conditional expression Clean up the code to avoid those warnings. BUG=pdfium:29 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1801383002 .
2016-03-21Move core/include/fpdfapi/fpdf_pageobj.h into core/fpdfapi.Dan Sinclair
This CL splits the file into individual classes and moves them into core/fpdfapi/fpdf_page as needed. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1811053002 .
2016-03-18Replace additional FX_WCHAR tables with uint16_t.Tom Sepez
Saves a few bytes here and there because the tables need only 16 bits but wchar is 32 bits (except on windows). R=ochang@chromium.org Review URL: https://codereview.chromium.org/1815313003 .
2016-03-16Move core/include/fpdfapi/fpdf_page.h to correct locations.Dan Sinclair
This CL splits the fpdf_page.h header into the individual classes and moves them to the correct core/fpdfapi locations. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1805663002 .
2016-03-15core/include/fdpfapi cleanup Part I.Dan Sinclair
This Cl moves a bunch of the files from core/include/fpdfapi to their correct location outside the core/include tree. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1805603002 .
2016-03-15Split CPDF_Stream/CPDF_StreamAcc into separate filesTom Sepez
R=dsinclair@chromium.org Review URL: https://codereview.chromium.org/1783933003 .
2016-03-14Move fx_crypto.h and fpdf_text.h out of core/include.Dan Sinclair
This CL moves the two files and breaks fpdf_text.h apart into individual pieces. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1801973002 .
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