diff options
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_PddProc.cpp | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/core/fxcodec/jbig2/JBig2_PddProc.cpp b/core/fxcodec/jbig2/JBig2_PddProc.cpp index bb61088886..82364b6ae2 100644 --- a/core/fxcodec/jbig2/JBig2_PddProc.cpp +++ b/core/fxcodec/jbig2/JBig2_PddProc.cpp @@ -17,10 +17,6 @@ std::unique_ptr<CJBig2_PatternDict> CJBig2_PDDProc::DecodeArith( CJBig2_ArithDecoder* pArithDecoder, JBig2ArithCtx* gbContext, PauseIndicatorIface* pPause) { - uint32_t GRAY; - std::unique_ptr<CJBig2_Image> BHDC; - auto pDict = pdfium::MakeUnique<CJBig2_PatternDict>(GRAYMAX + 1); - auto pGRD = pdfium::MakeUnique<CJBig2_GRDProc>(); pGRD->MMR = HDMMR; pGRD->GBW = (GRAYMAX + 1) * HDPW; @@ -28,7 +24,7 @@ std::unique_ptr<CJBig2_PatternDict> CJBig2_PDDProc::DecodeArith( pGRD->GBTEMPLATE = HDTEMPLATE; pGRD->TPGDON = 0; pGRD->USESKIP = 0; - pGRD->GBAT[0] = -(int32_t)HDPW; + pGRD->GBAT[0] = -1 * static_cast<int32_t>(HDPW); pGRD->GBAT[1] = 0; if (pGRD->GBTEMPLATE == 0) { pGRD->GBAT[2] = -3; @@ -38,6 +34,8 @@ std::unique_ptr<CJBig2_PatternDict> CJBig2_PDDProc::DecodeArith( pGRD->GBAT[6] = -2; pGRD->GBAT[7] = -2; } + + std::unique_ptr<CJBig2_Image> BHDC; CJBig2_GRDProc::ProgressiveArithDecodeState state; state.pImage = &BHDC; state.pArithDecoder = pArithDecoder; @@ -51,20 +49,15 @@ std::unique_ptr<CJBig2_PatternDict> CJBig2_PDDProc::DecodeArith( if (!BHDC) return nullptr; - GRAY = 0; - while (GRAY <= GRAYMAX) { + auto pDict = pdfium::MakeUnique<CJBig2_PatternDict>(GRAYMAX + 1); + for (uint32_t GRAY = 0; GRAY <= GRAYMAX; ++GRAY) pDict->HDPATS[GRAY] = BHDC->SubImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } return pDict; } std::unique_ptr<CJBig2_PatternDict> CJBig2_PDDProc::DecodeMMR( CJBig2_BitStream* pStream) { - uint32_t GRAY; std::unique_ptr<CJBig2_Image> BHDC; - auto pDict = pdfium::MakeUnique<CJBig2_PatternDict>(GRAYMAX + 1); - auto pGRD = pdfium::MakeUnique<CJBig2_GRDProc>(); pGRD->MMR = HDMMR; pGRD->GBW = (GRAYMAX + 1) * HDPW; @@ -73,10 +66,8 @@ std::unique_ptr<CJBig2_PatternDict> CJBig2_PDDProc::DecodeMMR( if (!BHDC) return nullptr; - GRAY = 0; - while (GRAY <= GRAYMAX) { + auto pDict = pdfium::MakeUnique<CJBig2_PatternDict>(GRAYMAX + 1); + for (uint32_t GRAY = 0; GRAY <= GRAYMAX; ++GRAY) pDict->HDPATS[GRAY] = BHDC->SubImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } return pDict; } |