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| author | Nicolas Pena <npm@chromium.org> | 2017-10-23 10:30:46 -0400 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-10-23 22:40:23 +0000 |
| commit | 826480cf599f61fe0366ab2bd5803dd53c9d0562 (patch) | |
| tree | d42bca4255a2ecf484b8498b08c6132dbcffe86a /third_party/libopenjpeg20/opj_intmath.h | |
| parent | ebdba614b9683ddd1d50e8960639bc54c9d4bb7a (diff) | |
| download | pdfium-chromium/3249.tar.xz | |
Upgrade LibopenJPEG to 2.3chromium/3249
Bug:
Change-Id: I4c968a4e5f41037d80e5dc64a1297cd2cbda31b1
Reviewed-on: https://pdfium-review.googlesource.com/16350
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Diffstat (limited to 'third_party/libopenjpeg20/opj_intmath.h')
| -rw-r--r-- | third_party/libopenjpeg20/opj_intmath.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/third_party/libopenjpeg20/opj_intmath.h b/third_party/libopenjpeg20/opj_intmath.h index cf97c15b12..ad13597661 100644 --- a/third_party/libopenjpeg20/opj_intmath.h +++ b/third_party/libopenjpeg20/opj_intmath.h @@ -96,6 +96,15 @@ static INLINE OPJ_UINT32 opj_uint_adds(OPJ_UINT32 a, OPJ_UINT32 b) } /** + Get the saturated difference of two unsigned integers + @return Returns saturated sum of a-b + */ +static INLINE OPJ_UINT32 opj_uint_subs(OPJ_UINT32 a, OPJ_UINT32 b) +{ + return (a >= b) ? a - b : 0; +} + +/** Clamp an integer inside an interval @return <ul> @@ -115,6 +124,28 @@ static INLINE OPJ_INT32 opj_int_clamp(OPJ_INT32 a, OPJ_INT32 min, } return a; } + +/** +Clamp an integer inside an interval +@return +<ul> +<li>Returns a if (min < a < max) +<li>Returns max if (a > max) +<li>Returns min if (a < min) +</ul> +*/ +static INLINE OPJ_INT64 opj_int64_clamp(OPJ_INT64 a, OPJ_INT64 min, + OPJ_INT64 max) +{ + if (a < min) { + return min; + } + if (a > max) { + return max; + } + return a; +} + /** @return Get absolute value of integer */ |