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2017-12-08Fix an LLVM error caused by assigning a uint32_t to an int without a castAndrew Weintraub
Bug: Change-Id: I394fb3c6df95d5170302731fd33ef523a38f070c Reviewed-on: https://pdfium-review.googlesource.com/20630 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-12-05Avoid integer overflows in CPDF_FixedMatrix::Transform().Lei Zhang
Use floating point math and saturated_cast to calculate the transform. Refactor CFX_BilinearMatrix::Transform() to share common code, instead of using integer math and CheckedNumerics. BUG=chromium:791048 Change-Id: Ib3812b3b3b9373a8eb3b1dde12cb28d424e0bb3e Reviewed-on: https://pdfium-review.googlesource.com/20390 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-12-04Simplify color calculations in CFX_ImageTransformer.Lei Zhang
Change-Id: I14e614dbd0b7c1187b686bf574d14b94f04a3e7e Reviewed-on: https://pdfium-review.googlesource.com/20271 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Simplify code in CFX_ImageTransformer.Lei Zhang
Also fix lint errors. Change-Id: Iaf5fb440fd43d5c36b00630e16d700827c09fc7f Reviewed-on: https://pdfium-review.googlesource.com/20270 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Refactor CFX_ImageTransformer down sample calculations.Lei Zhang
Change-Id: Ib3aa0b6ce2fa7b2a643068cb9ffcaca9fe18d3de Reviewed-on: https://pdfium-review.googlesource.com/20258 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Refactor CFX_ImageTransformer bicubic calculations.Lei Zhang
Change-Id: I47c0ae6dbdf339ab7ade36b141c220b8a3fb2274 Reviewed-on: https://pdfium-review.googlesource.com/20257 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Refactor CFX_ImageTransformer bilinear calculations.Lei Zhang
Change-Id: Ia38329bf5622c0ae6f5c4173332d2140de08c567 Reviewed-on: https://pdfium-review.googlesource.com/20256 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Break out CFX_ImageTransformer color calculations.Lei Zhang
Change-Id: I5d3a01310bd5fcddbb8c39025b07a2e83ddae84f Reviewed-on: https://pdfium-review.googlesource.com/20255 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Break out CFX_ImageTransformer mono calculations.Lei Zhang
Change-Id: Ibd9ca20e902bbd2b62af12d25836497413912b1b Reviewed-on: https://pdfium-review.googlesource.com/20254 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Break out CFX_ImageTransformer alpha calculations.Lei Zhang
Change-Id: I4f221d5d6c17e8507f87d9c63b87431cc2b8f45e Reviewed-on: https://pdfium-review.googlesource.com/20253 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Break out CFX_ImageTransformer mask calculations.Lei Zhang
Change-Id: Iab7ff29c2ce9ed56715b5897e89da2d9d693583c Reviewed-on: https://pdfium-review.googlesource.com/20252 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-12-04Add functions for common code in CFX_ImageTransformer.Lei Zhang
Change-Id: I556934f61f24883e684865e4a8fc5e0519248cee Reviewed-on: https://pdfium-review.googlesource.com/20251 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-11-30Run clang-tidy google-readability-casting on //third_party/pdfiumDan Sinclair
See the bugs and cxx post for justification and details: https://groups.google.com/a/chromium.org/forum/#!topic/cxx/RkOHzIK6Tq8 This change was done using clang-tidy as described here: https://chromium.googlesource.com/chromium/src/+/lkcr/docs/clang_tidy.md Bug: chromium:776257 Change-Id: Iebab34f3ee97a6249e4517d1f5dec1971c36fcba Reviewed-on: https://pdfium-review.googlesource.com/19973 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-11-27Make ConvertBuffer_* voidchromium/3279Nicolas Pena
This CL makes the helper methods 'ConvertBuffer_'* in CFX_DIBSource void since they always succeed. Change-Id: I55dd714bec5ccc3695cd0bbebcf978d767acc53a Reviewed-on: https://pdfium-review.googlesource.com/19650 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-11-27Prepend ++ in CFX_DIBSourceNicolas Pena
In this CL, we do some nit cleanup and change many var++ to ++var in CFX_DIBSource. Change-Id: I2379e6e15688cbde68415adc47b01114ad0785c1 Reviewed-on: https://pdfium-review.googlesource.com/19570 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
2017-11-02Rename Transparency to iTransparency.Lei Zhang
Fix a mismatched parameter name in cpdf_renderstatus.h too. Change-Id: I9765838e6ab93db37791fc282e553b6cb9c51ec5 Reviewed-on: https://pdfium-review.googlesource.com/17050 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-09-27Cleanup FX macrosDan Sinclair
This CL renames the FX_OS defines to have _OS_ in their names and drops the _DESKTOP suffix. The FXM defines have been changed to just FX. Change-Id: Iab172fba541713b5f6d14fb8098baf68e3364c74 Reviewed-on: https://pdfium-review.googlesource.com/14833 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-09-21Move CFX_UnownedPtr to UnownedPtrDan Sinclair
This CL moves CFX_UnownedPtr to UnownedPtr and places in the fxcrt namespace. Bug: pdfium:898 Change-Id: I6d1fa463f365e5cb3aafa8c8a7a5f7eff62ed8e0 Reviewed-on: https://pdfium-review.googlesource.com/14620 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-09-21Rename CFX_RetainPtr to RetainPtrDan Sinclair
This CL renames CFX_RetainPtr to RetainPtr and places in the fxcrt namespace. Bug: pdfium:898 Change-Id: I8798a9f79cb0840d3f037e8d04937cedd742914e Reviewed-on: https://pdfium-review.googlesource.com/14616 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-09-21Move CFX_MaybeOwned to fxcrt::MaybeOwnedDan Sinclair
This CL moves CFX_MaybeOwned into the fxcrt namespace and removes the CFX_ prefix. The test names for maybe owned were updated to be in the MaybeOned test suite instead of the fxcrt suite. Bug: pdfium:898 Change-Id: I0c07057d66c8610e7b19133094b4507fff725e76 Reviewed-on: https://pdfium-review.googlesource.com/14470 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-09-19Remove unneeded core/fxcodec/fx_codec.h includes.chromium/3220Lei Zhang
Change-Id: I703321108712e8c4a11a8343ecf8b1a8804c1d1a Reviewed-on: https://pdfium-review.googlesource.com/14352 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-09-13Add readme files to some directories.chromium/3215Henrique Nakashima
Change-Id: I2a750c8e46b68dc4870e2dadd2ed3429008e1562 Reviewed-on: https://pdfium-review.googlesource.com/13551 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-08-31Remove fx_basic.hDan Sinclair
This CL removes the fx_basic.h header and fixes up includes as needed. Change-Id: I49af32a8327bdbcda40c50a61ffbd75d06609040 Reviewed-on: https://pdfium-review.googlesource.com/12670 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-31Split IFX_Pause out of fx_basicDan Sinclair
This CL moves IFX_Pause out to its own class from fx_basic and updates includes as needed. Change-Id: Iebdd183d8c85aa17570f190f1a7d1602c0af3c8b Reviewed-on: https://pdfium-review.googlesource.com/12491 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-22Converted CFX_Matrix::TransformRect() to take in constsJane Liu
Currently, all three of CFX_Matrix::TransformRect() take in rect values and modify them in place. This CL converts them to take in constant values and return the transformed values instead, and fixes all the call sites. Bug=pdfium:874 Change-Id: I9c274df3b14e9d88c100ba0530068e06e8fec32b Reviewed-on: https://pdfium-review.googlesource.com/11550 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Jane Liu <janeliulwq@google.com>
2017-08-03APIs and tests for extracting bitmaps from image objectsJane Liu
Added FPDFImageObj_GetBitmap() that returns the bitmap of an image object, and a FPDFBitmap_GetFormat() that returns the format of a bitmap. * Fixed a small bitmap conversion bug in cfx_dibsource.cpp. * Enabled EmbedderTest::CompareBitmap() to support different formats of bitmaps. * Added an embedder test and a test PDF file with images of many different formats. Bug=pdfium:677 Change-Id: I6a72f9d969cf5f3577db9400ca33197c213622ed Reviewed-on: https://pdfium-review.googlesource.com/9690 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Jane Liu <janeliulwq@google.com>
2017-07-12Move CMYKtoRGB methods to fx_codec and clean them upNicolas Pena
This CL moves CMYKtoRGB methods to fx_codec. It also cleans them up a bit, including allowing them to return tuples instead of having non-const refs in their parameters. Change-Id: Ib3ec45102ec7eff623cd07a624e852d39bf335e4 Reviewed-on: https://pdfium-review.googlesource.com/7591 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-07-10Move core/fxge/ge to core/fxge.Dan Sinclair
This brings the cpp and h files together and removes the redundant ge/ path. Change-Id: I36594b8ae719d362768ba4c2e4ce173e287363eb Reviewed-on: https://pdfium-review.googlesource.com/7452 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-07Check that there is enough data remaining in source BMP before readingchromium/3152Ryan Harrison
When reading in a BMP, after processing the header, make sure that there is enough data remaining in the source before proceeding. If not signal that the BMP is improperly formatted. BUG=chromium:738635 Change-Id: I506bc0e6db7dcd4b5984fd91a1f39516320a2037 Reviewed-on: https://pdfium-review.googlesource.com/7280 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-06-29Move Start to constructor in CFX_Image(Renderer|Transformer)chromium/3145Nicolas Pena
The bool returned by Start was not being used and the method was always called right after the constructor, so it should be in the constructor. Change-Id: I98abf9f7c11fbe42b3aa15ec5e46731198aa23d5 Reviewed-on: https://pdfium-review.googlesource.com/7151 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-06-29Change SetReverse to GetInverse in CFX_MatrixNicolas Pena
CFX_Matrix::GetInverse is much clearer. Change-Id: Id10ab1723735332e1a78de853f28415ec3a4d834 Reviewed-on: https://pdfium-review.googlesource.com/7090 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-05-25Mass conversion of remaining class members (non-xfa)Tom Sepez
Change-Id: I8365ba80e3395d59a3cf35dbd9d9162e86e712e3 Reviewed-on: https://pdfium-review.googlesource.com/5970 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-05-25Mass conversion of all const-lifetime class membersTom Sepez
Sed + minimal conversions to compile, including moving some constructors into the .cpp file. Any that caused ASAN issues during the tests were omitted rather than trying to resolve the underlying issue. Change-Id: I00a421f33b253eb4071ffd9af3f2922c7443b335 Reviewed-on: https://pdfium-review.googlesource.com/5891 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-05-23Use NOTREACHED() in more places.Lei Zhang
Change-Id: I88466943171f19259f84add69679741d44c8e123 Reviewed-on: https://pdfium-review.googlesource.com/5551 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-05-19Move CCodec_ModuleMgr ownership to CPDF_ModuleMgr.Lei Zhang
More straight forward than CFX_GEModule owning in and CPDF_ModuleMgr holding a pointer to it. Remove assumptions that the codec modules may return nullptr, and do IWYU. Change-Id: Iba7fc3c7ec223fd6d29a1ab74ed13d35689bc5d5 Reviewed-on: https://pdfium-review.googlesource.com/5654 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-05-18Fix typo in CFX_ImageTransformer::ContinueNicolas Pena
This CL fixes a typo introduced in: https://pdfium-review.googlesource.com/c/4495/3/core/fxge/dib/cfx_imagetransformer.cpp#395 Bug: chromium:723976 Change-Id: I629d1e61054805f768356fce44c25f40f9346beb Reviewed-on: https://pdfium-review.googlesource.com/5634 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-05-11Use clamp() in a couple more places.Lei Zhang
Change-Id: I9b7a1c101e3c73d0270f9216225e5a13d9937b97 Reviewed-on: https://pdfium-review.googlesource.com/5332 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-05-08Remove default params in CFX_DIBSourceNicolas Pena
Change-Id: I9306afed2747e3b0054adeea1d39916cac47f5c5 Reviewed-on: https://pdfium-review.googlesource.com/5091 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-05-05Cleanup CStretchEngine and its CWeightTableNicolas Pena
This CL cleans up a bunch of nits and improves ownership in the CStretchEngine class. Change-Id: I6527f29c50dab329ef58d0724cd24b94fca50ee6 Reviewed-on: https://pdfium-review.googlesource.com/4970 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-05-05More unused IFX_Pause parameters removedchromium/3091Dan Sinclair
Remove IFX_Pause parameters which are passed but not used. Change-Id: I51a491c7f9a429676d114a387390fac3ae65e187 Reviewed-on: https://pdfium-review.googlesource.com/4950 Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-05-04More cleanup in CFX_ScanlineCompositorNicolas Pena
This CL does more cleanup in CFX_ScanlineCompositor: - Use private initization methods instead of passing member refs to namespace. - Own the m_pSrcPalette properly by getting rid of the raw pointer. - Remove members that are unused. - Fix some nits. Change-Id: I2447032f8f92614dc026f62bd0cdcd2204ab37de Reviewed-on: https://pdfium-review.googlesource.com/4851 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-26Guard against overflow in CFX_BilinearMatrix code.Dan Sinclair
If any of the values in the matrix used to initialize the CFX_BilinearMatrix are close to INT_MAX then the numbers can overflow when multipled causing undefined behaviour. This Cl uses a pdfium::CheckedNumeric to handle the multiplications and then assigns back to the int value if valid. Bug: chromium:702041 Change-Id: Ia1895e2e39c0ac2bf099d45f97e33209cb50d134 Reviewed-on: https://pdfium-review.googlesource.com/4495 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-04-20Let {Argb,Cmyk}Decode return tuplesNicolas Pena
Change-Id: Ic4e766d9417f9a9ece5f9e4269d0f96e1e91639b Reviewed-on: https://pdfium-review.googlesource.com/4392 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-19Split up CFX_DIBitmap::ConvertColorScaleNicolas Pena
The code is completely separated into CMYK vs RGB cases, so having two separate private methods is better. Change-Id: I67f885ee2f4393b722c6d6e770b230a5aa6b0cb1 Reviewed-on: https://pdfium-review.googlesource.com/4372 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Wei Li <weili@chromium.org>
2017-04-11Refactor CFX_Palettechromium/3069Nicolas Pena
The pointer members point to owned arrays. Avoid FX_Free in CFX_Palette. Use std::pair and avoid the use of a buggy quicksort. Change-Id: I5d5471d56dbfd32800e204c84664c436d1fbab08 Reviewed-on: https://pdfium-review.googlesource.com/4038 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-10Remove unreachable code in CFX_ScanlineCompositorchromium/3068Nicolas Pena
m_Transparency is set in the Init method of the CFX_ScanlineCompositor. After the removal of the icc transform, it is clear that m_Transparency can only take values strictly less than 64. Change-Id: I6c33b9971b3b8a1ec45fbf50901f9815f323a2a5 Reviewed-on: https://pdfium-review.googlesource.com/3970 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-04-07Remove the ICC transform where it is never initialized.Nicolas Pena
- All callers of CFX_DIBitmap methods use nullptr as the ICC Transform. - The CFX_ScanlineCompositor is always initialized with a null ICC transform. Many of its methods call TranslateScanline from the ICC module. This method casts just uses ((CLcmsCmm*)pTransform)->m_hTransform, and this should not be done when pTransform is nullptr. Change-Id: I1b846d1f20699fa017cb9a276be3214eb8fabd4b Reviewed-on: https://pdfium-review.googlesource.com/3931 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-07Use CFX_MaybeOwned on the buffer of CFX_DIBitmapNicolas Pena
Change-Id: Ia4181a2838de60e4e177165b3689338c86f45771 Reviewed-on: https://pdfium-review.googlesource.com/3817 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-04-06Cleanup CFX_BitmapComposerNicolas Pena
Remove default params, use more unique_ptr, and fix some nits. Change-Id: I4ed9a576fb3ebd9afd64c6544d1f6a1103e9d270 Reviewed-on: https://pdfium-review.googlesource.com/3872 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-04-04Remove dib_int.hNicolas Pena
This CL removes dib_int.h by moving CStretchEngine to its own file, other classes to where they are used, and the remaining to fx_dib.h. Change-Id: Ie2d4bb39389737cd631f92b88000ea942608da21 Reviewed-on: https://pdfium-review.googlesource.com/3714 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
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