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2018-04-16Simplify CFX_DIBitmap::TransferBitmapNicolas Pena
This CL changes CFX_DIBitmap::TransferBitmap so that the exception cases are handled before, and early returns are used to reduce nesting. Change-Id: I733adce5de15d345ee160a8b250133836e9d2873 Reviewed-on: https://pdfium-review.googlesource.com/30770 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-04-10Add static_asserts for FX_RECT and FX_COLORREF.Lei Zhang
Make sure they match their win32 equivalent data types. Change-Id: I395054ce5c5ae110c78dbae30dd985fc498045fb Reviewed-on: https://pdfium-review.googlesource.com/30070 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-03-21Add helpers to work with FXDIB_Format.Lei Zhang
Helper functions make getting the bpp and component count more readable. Change-Id: Ie0f97d52136d11ef5251f6e22748e87aea289ae1 Reviewed-on: https://pdfium-review.googlesource.com/28572 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-03-21Change FXSYS_RGB() to FXSYS_BGR().Lei Zhang
Also change it from a macro to a constexpr function. Change-Id: I8b2bb42c45a23da6db136abdaee24132db4471c6 Reviewed-on: https://pdfium-review.googlesource.com/28579 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-21Change FXSYS_Get{R,G,B}Value()'s input param to BGR.Lei Zhang
Also change them from macros to constexpr functions. Change-Id: I5ebec07487b7b7f59cc769debc95c730776d4613 Reviewed-on: https://pdfium-review.googlesource.com/28578 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-21Rename one ArgbEncode() variant to AlphaAndColorRefToArgb().Lei Zhang
Mark the other ArgbEncode() variant as constexpr. Change-Id: I84207d805766e5efc669638bd8a15cfead356a41 Reviewed-on: https://pdfium-review.googlesource.com/28577 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-20Change ArgbToColorRef() to ArgbToAlphaAndColorRef().chromium/3377Lei Zhang
Since that is what it really returns. Add a replacement ArgbToColorRef() that only returns a FX_COLORREF, and remove a duplicate implementation. Then update callers and only use ArgbToAlphaAndColorRef() where appropriate. Also update comments to explain what FX_COLORREF is. Change-Id: I5ed3d71683898dc2b3a66395dea0ec2562c14a68 Reviewed-on: https://pdfium-review.googlesource.com/28575 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-15Fixing order of guards to avoid potential segvsRyan Harrison
Per tspepez's drive by: str, in theory, might not be terminated, and might have been allocated right up to a guard page at the end of the heap, say, so that str[len] could segv. Change-Id: I6cba7b6d12b23f69e6f150c1b5296df65c2e0086 Reviewed-on: https://pdfium-review.googlesource.com/28610 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-15Rename FX_COLORREF variables from "rgb" to "bgr".Lei Zhang
FX_COLORREF should work like win32 COLORREF, which is BGR. Change-Id: I9f8bb3e2d30a64dc822ac6b8c46130358a03678a Reviewed-on: https://pdfium-review.googlesource.com/28574 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-15Cleanup CStretchEngine.Lei Zhang
- Make members const. - Change some ints to enum classes. - Add helper function to calculate pitch. Change-Id: I32f94e1189d54a2c365530166fb5c9c0857b7c97 Reviewed-on: https://pdfium-review.googlesource.com/28571 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-03-12Remove all usages of FXSYS_iswASCIIspacechromium/3369Ryan Harrison
This replaces it with FXSYS_iswspace, which uses ICU to perform correct Unicode space checking. BUG=pdfium:1035 Change-Id: I7a4ed01a6b50f56a6f9d1434a7f0b01596fe42db Reviewed-on: https://pdfium-review.googlesource.com/28510 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-03-12Fix crash when creating a CFX_DIBitmap with FXDIB_Invalid.Henrique Nakashima
Bug: chromium:820885 Change-Id: I3886c636b91a8499924d95ad47f4c832db9f9754 Reviewed-on: https://pdfium-review.googlesource.com/28491 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-03-09Explicitly mark helper methods that only operate on ASCII rangesRyan Harrison
A number of our character helper methods take in wide character types, but only do tests/operations on the ASCII range of characters. As a very quick first pass I am renaming all of the foot-gun methods to explictly call out this behaviour, while I do a bigger cleanup/refactor. BUG=pdfium:1035 Change-Id: Ia035dfa1cb6812fa6d45155c4565475032c4c165 Reviewed-on: https://pdfium-review.googlesource.com/28330 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-06Rename IFX classes in core/fxge to Ifacechromium/3364Dan Sinclair
This CL renames IFX classes in core/fxge to Iface. Change-Id: I137167ddd4ff1563d8002d9501222c27183408cc Reviewed-on: https://pdfium-review.googlesource.com/27990 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-06Rename core/fxcrt IFX files to IfaceDan Sinclair
This CL renames the 3 IFX files in core/fxcrt to Iface instead. Change-Id: I7cee6836650b71bc5c5729a8147fda62f0910fe3 Reviewed-on: https://pdfium-review.googlesource.com/27970 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-03-05Make FPDFBitmap_GetFormat() work for JBIG images.Lei Zhang
BUG=pdfium:945 Change-Id: I2a880e747b6f5a2fabed4d34ce47b69ff589ce3f Reviewed-on: https://pdfium-review.googlesource.com/27814 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-01Break up CFX_DIBSource::ConvertBuffer().Lei Zhang
Change-Id: If93b4782016c7f27c1533417d019f3271c807941 Reviewed-on: https://pdfium-review.googlesource.com/27813 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-03-01Fix some nits in CFX_DIBSource::CloneConvert().Lei Zhang
Change-Id: I25c16b7159d168bd6deb4fd9936bb242d7e8c590 Reviewed-on: https://pdfium-review.googlesource.com/27812 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-01-26Fix a wrong variable check in CFX_BilinearMatrix.Lei Zhang
This has existed since the initial PDFium check in. BUG=chromium:805881 Change-Id: I34b79d61c753d15d0f112c12f3dee43973403673 Reviewed-on: https://pdfium-review.googlesource.com/24090 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-01-19Remove NeedAlpha() in CFX_ImageTransformer.Lei Zhang
WriteColorResult(), which calls NeedAlpha(), runs on a per-pixel basis in CFX_ImageTransformer. NeedAlpha() repeats some conditional calculations. Remove that for a slight speed-up. Change-Id: I0bb3f92001b9ccdb65c4d59c9f832fe9edfa71f4 Reviewed-on: https://pdfium-review.googlesource.com/23175 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-01-04Remove CXFA_DataDataDan Sinclair
This CL removes the CXFA_DataData base class and the functionality is moved to where it's needed. Change-Id: Ieba31aa924b9b513466144b31f0e1613923c50aa Reviewed-on: https://pdfium-review.googlesource.com/22250 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
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>
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