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| author | Lei Zhang <thestig@chromium.org> | 2018-09-17 18:31:47 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-09-17 18:31:47 +0000 |
| commit | bff81396b7aee1cc195194d0d1122d8fbec7dfb9 (patch) | |
| tree | 6659efa22a5f30ca4575ca662e05d90fc35aa536 /core/fxcodec/jbig2/JBig2_ArithDecoder.h | |
| parent | cb798258c433bec7087948fcbfff14d1e7683006 (diff) | |
| download | pdfium-bff81396b7aee1cc195194d0d1122d8fbec7dfb9.tar.xz | |
Make JBig2ArithCtx a class.
For better encapsulation.
Change-Id: Ia6fd8056112d97d672b91a9a521a2978c807060f
Reviewed-on: https://pdfium-review.googlesource.com/42605
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'core/fxcodec/jbig2/JBig2_ArithDecoder.h')
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_ArithDecoder.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/core/fxcodec/jbig2/JBig2_ArithDecoder.h b/core/fxcodec/jbig2/JBig2_ArithDecoder.h index 250e7009ff..0a233237b2 100644 --- a/core/fxcodec/jbig2/JBig2_ArithDecoder.h +++ b/core/fxcodec/jbig2/JBig2_ArithDecoder.h @@ -13,11 +13,26 @@ class CJBig2_BitStream; -struct JBig2ArithCtx { - JBig2ArithCtx() : MPS(0), I(0) {} +class JBig2ArithCtx { + public: + struct JBig2ArithQe { + uint16_t Qe; + uint8_t NMPS; + uint8_t NLPS; + uint8_t nSwitch; + }; + + JBig2ArithCtx(); + + int DecodeNLPS(const JBig2ArithQe& qe); + int DecodeNMPS(const JBig2ArithQe& qe); - unsigned int MPS; - unsigned int I; + unsigned int MPS() const { return m_MPS; } + unsigned int I() const { return m_I; } + + private: + unsigned int m_MPS = 0; + unsigned int m_I = 0; }; class CJBig2_ArithDecoder { |