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Using bit values in an int may not be reliable, since different parts of
the code can interpret the bits differently. e.g. FXDIB_DOWNSAMPLE and
RENDER_FORCE_DOWNSAMPLE are defined in different places, but can be used
interchangeably because they just happen to have the same value. It
works but is rather fragile.
Instead, use a struct of bools to explicitly define what different bits
mean. Remove FXDIB_DOWNSAMPLE and friends.
Change-Id: I9cf0c8f94d1ed27edf8dba22b0ab0ee67f2722cc
Reviewed-on: https://pdfium-review.googlesource.com/c/44650
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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BUG=pdfium:1085
Change-Id: Ieb43d4588e1d689e327e428dcbbf7adba45ce178
Reviewed-on: https://pdfium-review.googlesource.com/c/44545
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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It is always passed as FXDIB_Alpha. Rename method to indicate its
new purpose, and remove dead code.
Change-Id: Ifaf4faa6b25d1cbd2ff272309764b49de70dc836
Reviewed-on: https://pdfium-review.googlesource.com/c/44491
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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Change-Id: Ib96a66eb47bea791f061e1d6da8aadad8037a99d
Reviewed-on: https://pdfium-review.googlesource.com/c/43609
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change-Id: I00ce0109251d1231858e87ffc3889abe6937fa26
Reviewed-on: https://pdfium-review.googlesource.com/42811
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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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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>
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Change-Id: I9306afed2747e3b0054adeea1d39916cac47f5c5
Reviewed-on: https://pdfium-review.googlesource.com/5091
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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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>
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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>
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- 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>
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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>
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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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After this CL, fx_dib.h only has some definitions used in multiple places.
Definitions that were of restricted usage were moved out to the corresponding
place. Includes in fx_dib were reduced, thus revealing other needed includes.
Change-Id: I3607da0af81c491256d64c0aa085225631efbdcc
Reviewed-on: https://pdfium-review.googlesource.com/3594
Commit-Queue: Nicolás Peña <npm@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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This Cl drops the FXSYS_ from mem methods which are the same on all
platforms.
Bug: pdfium:694
Change-Id: I9d5ae905997dbaaec5aa0b2ae4c07358ed9c6236
Reviewed-on: https://pdfium-review.googlesource.com/3613
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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- Moved CFX_DIBitmap code to its own cpp file.
- Moved CFX_DIBExtractor out from fx_dib.h
Change-Id: I7b3fe9c657a350320b7ecb3f005017080491fe29
Reviewed-on: https://pdfium-review.googlesource.com/3591
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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