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Parity in EAN-13 is considered counting digits from right to left,
starting at 1.
Bug: pdfium:882
Change-Id: I3e586499091b8400daf93657eb9878f29d9e6922
Reviewed-on: https://pdfium-review.googlesource.com/12910
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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Mid(foo, 1) is equivalent to [foo], if all you want is the character. Similarly
Left(1) is [0]. It is faster also, since it does not need to create intermediate
strings.
Right(1) is a touch more tricky, since it requires something like GetLength() ?
[GetLength() - 1] : 0;. A new method, Last() has been added to perform this
character extraction.
Multiple call sites have been updated to use more efficient/simpler
syntax. There are a number of call sites that use on these patterns, but based
on the surrounding context we actually need/want a string, so they have not been
modified.
Change-Id: I485a7f9c7b34c9bdacecada610158f996816afdd
Reviewed-on: https://pdfium-review.googlesource.com/12890
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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When turning on this conversion a number of typing issues and other nits where
found in the code base that can be merged in without actually changing the
underlying type. Landing these changes before the type change CL, since there is
a high likelihood that the type change will need to be rolled back, since it is
high risk.
BUG=pdfium:828
Change-Id: I587443d9090055963446485a1aacb8772eb5ca64
Reviewed-on: https://pdfium-review.googlesource.com/12810
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Reverts a piece of
https://pdfium-review.googlesource.com/c/pdfium/+/12210
Bug: chromium:760857
Change-Id: I290ebb7b60a6508fc3e8fba6780c837d395c1c3b
Reviewed-on: https://pdfium-review.googlesource.com/12690
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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Through out the code base there are numerous places where variables
are declared using a signed integer type when interacting with the
string classes, since they assume that FX_STRSIZE is 'int'. As part of
changing the underling type of FX_STRSIZE to be unsigned, these
locations are being changed to use FX_STRSIZE. This is necessary as
part of converting the type, but has been broken off into a separate CL,
since it should be low risk.
Some related cleanups that are low risk are included as part of
this CL.
BUG=pdfium:828
Change-Id: Ifaae54ad195ccde0fe8672f71271d29a6ebd65fd
Reviewed-on: https://pdfium-review.googlesource.com/12210
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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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>
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This method duplicates the behaviour of the const [] operator and
doesn't offer any additional safety. Folding them into one
implementation.
SetAt is retained, since implementing the non-const [] operator to
replace SetAt has potential performance concerns. Specifically many
non-obvious cases of reading an element using [] will cause a realloc
& copy.
BUG=pdfium:860
Change-Id: I3ef5e5e5a15376f040256b646eb0d90636e24b67
Reviewed-on: https://pdfium-review.googlesource.com/10870
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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The various string/byte classes support Mid(), Left(), and Right() for
extracting substrings. Mid() can handle all possible cases, but Left()
and Right() are useful for common cases and more explicit about what
is going on.
Calls like Mid(offset, length - offset) can be converted to
Right(length - offset). Calls like Mid(0, length) can be converted to
Left(length).
If the substring being extracted does not extend all the way to one of
the edges of the string, then Mid() still needs to be used.
BUG=pdfium:828
Change-Id: I2ec46ad3d71aac0f7b513e103c69cbe8c854cf62
Reviewed-on: https://pdfium-review.googlesource.com/9510
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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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>
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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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This Cl renames the CFX_RenderDevice subclasses to make their usage
clearer.
Change-Id: Ie820b57df9a3743ce8c6893fb483b398a1f1bdbe
Reviewed-on: https://pdfium-review.googlesource.com/5390
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Replace other one-off implementations as well.
Change-Id: I2878f3fae479c12b7de5234ee3a26477d602d14d
Reviewed-on: https://pdfium-review.googlesource.com/4398
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change-Id: Idcc05fb8c5a1448f552b4db5ae131ad82aef4d59
Reviewed-on: https://pdfium-review.googlesource.com/4258
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
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Change-Id: I85c8423c177fd7ecd5da90ef89419efc0f9cf44b
Reviewed-on: https://pdfium-review.googlesource.com/4262
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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Change-Id: Idb5ef2aed456e84e0781c374b211560ab7d4fa3d
Reviewed-on: https://pdfium-review.googlesource.com/4257
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@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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Nothing in fxbarcode/ depends on XFA code. This CL moves xfa/fxbarcode
to be fxbarcode/ and creates a static_library for fxbarcode which is
depend on by the xfa library.
Change-Id: I0b708737b07efb94b769a5238d92af92bc62880d
Reviewed-on: https://pdfium-review.googlesource.com/3291
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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