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path: root/core/fxcodec/jbig2/JBig2_Context.cpp
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Diffstat (limited to 'core/fxcodec/jbig2/JBig2_Context.cpp')
-rw-r--r--core/fxcodec/jbig2/JBig2_Context.cpp154
1 files changed, 77 insertions, 77 deletions
diff --git a/core/fxcodec/jbig2/JBig2_Context.cpp b/core/fxcodec/jbig2/JBig2_Context.cpp
index a3c6f587b4..ce18375d88 100644
--- a/core/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/fxcodec/jbig2/JBig2_Context.cpp
@@ -70,7 +70,7 @@ CJBig2_Context::CJBig2_Context(const RetainPtr<CPDF_StreamAcc>& pGlobalStream,
CJBig2_Context::~CJBig2_Context() {}
-int32_t CJBig2_Context::decodeSequential(PauseIndicatorIface* pPause) {
+int32_t CJBig2_Context::DecodeSequential(PauseIndicatorIface* pPause) {
int32_t nRet;
if (m_pStream->getByteLeft() <= 0)
return JBIG2_END_OF_FILE;
@@ -78,14 +78,14 @@ int32_t CJBig2_Context::decodeSequential(PauseIndicatorIface* pPause) {
while (m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) {
if (!m_pSegment) {
m_pSegment = pdfium::MakeUnique<CJBig2_Segment>();
- nRet = parseSegmentHeader(m_pSegment.get());
+ nRet = ParseSegmentHeader(m_pSegment.get());
if (nRet != JBIG2_SUCCESS) {
m_pSegment.reset();
return nRet;
}
m_dwOffset = m_pStream->getOffset();
}
- nRet = parseSegmentData(m_pSegment.get(), pPause);
+ nRet = ParseSegmentData(m_pSegment.get(), pPause);
if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
m_PauseStep = 2;
@@ -119,11 +119,11 @@ int32_t CJBig2_Context::decodeSequential(PauseIndicatorIface* pPause) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::decodeRandomFirstPage(PauseIndicatorIface* pPause) {
+int32_t CJBig2_Context::DecodeRandomFirstPage(PauseIndicatorIface* pPause) {
int32_t nRet;
while (m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) {
auto pSegment = pdfium::MakeUnique<CJBig2_Segment>();
- nRet = parseSegmentHeader(pSegment.get());
+ nRet = ParseSegmentHeader(pSegment.get());
if (nRet != JBIG2_SUCCESS)
return nRet;
@@ -138,13 +138,13 @@ int32_t CJBig2_Context::decodeRandomFirstPage(PauseIndicatorIface* pPause) {
}
}
m_nSegmentDecoded = 0;
- return decodeRandom(pPause);
+ return DecodeRandom(pPause);
}
-int32_t CJBig2_Context::decodeRandom(PauseIndicatorIface* pPause) {
+int32_t CJBig2_Context::DecodeRandom(PauseIndicatorIface* pPause) {
for (; m_nSegmentDecoded < m_SegmentList.size(); ++m_nSegmentDecoded) {
int32_t nRet =
- parseSegmentData(m_SegmentList[m_nSegmentDecoded].get(), pPause);
+ ParseSegmentData(m_SegmentList[m_nSegmentDecoded].get(), pPause);
if (nRet == JBIG2_END_OF_PAGE || nRet == JBIG2_END_OF_FILE)
return JBIG2_SUCCESS;
@@ -160,14 +160,14 @@ int32_t CJBig2_Context::decodeRandom(PauseIndicatorIface* pPause) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::getFirstPage(uint8_t* pBuf,
+int32_t CJBig2_Context::GetFirstPage(uint8_t* pBuf,
int32_t width,
int32_t height,
int32_t stride,
PauseIndicatorIface* pPause) {
int32_t nRet = 0;
if (m_pGlobalContext) {
- nRet = m_pGlobalContext->decodeSequential(pPause);
+ nRet = m_pGlobalContext->DecodeSequential(pPause);
if (nRet != JBIG2_SUCCESS) {
m_ProcessingStatus = FXCODEC_STATUS_ERROR;
return nRet;
@@ -188,11 +188,11 @@ int32_t CJBig2_Context::Continue(PauseIndicatorIface* pPause) {
m_ProcessingStatus = FXCODEC_STATUS_DECODE_READY;
int32_t nRet = 0;
if (m_PauseStep <= 2) {
- nRet = decodeSequential(pPause);
+ nRet = DecodeSequential(pPause);
} else if (m_PauseStep == 3) {
- nRet = decodeRandomFirstPage(pPause);
+ nRet = DecodeRandomFirstPage(pPause);
} else if (m_PauseStep == 4) {
- nRet = decodeRandom(pPause);
+ nRet = DecodeRandom(pPause);
} else if (m_PauseStep == 5) {
m_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH;
return JBIG2_SUCCESS;
@@ -210,9 +210,9 @@ int32_t CJBig2_Context::Continue(PauseIndicatorIface* pPause) {
return nRet;
}
-CJBig2_Segment* CJBig2_Context::findSegmentByNumber(uint32_t dwNumber) {
+CJBig2_Segment* CJBig2_Context::FindSegmentByNumber(uint32_t dwNumber) {
if (m_pGlobalContext) {
- CJBig2_Segment* pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber);
+ CJBig2_Segment* pSeg = m_pGlobalContext->FindSegmentByNumber(dwNumber);
if (pSeg)
return pSeg;
}
@@ -223,14 +223,14 @@ CJBig2_Segment* CJBig2_Context::findSegmentByNumber(uint32_t dwNumber) {
return nullptr;
}
-CJBig2_Segment* CJBig2_Context::findReferredSegmentByTypeAndIndex(
+CJBig2_Segment* CJBig2_Context::FindReferredSegmentByTypeAndIndex(
CJBig2_Segment* pSegment,
uint8_t cType,
int32_t nIndex) {
int32_t count = 0;
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
CJBig2_Segment* pSeg =
- findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
+ FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
if (pSeg && pSeg->m_cFlags.s.type == cType) {
if (count == nIndex)
return pSeg;
@@ -240,7 +240,7 @@ CJBig2_Segment* CJBig2_Context::findReferredSegmentByTypeAndIndex(
return nullptr;
}
-int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment* pSegment) {
+int32_t CJBig2_Context::ParseSegmentHeader(CJBig2_Segment* pSegment) {
if (m_pStream->readInteger(&pSegment->m_dwNumber) != 0 ||
m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0) {
return JBIG2_ERROR_TOO_SHORT;
@@ -316,7 +316,7 @@ int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment* pSegment) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseSegmentData(CJBig2_Segment* pSegment,
+int32_t CJBig2_Context::ParseSegmentData(CJBig2_Segment* pSegment,
PauseIndicatorIface* pPause) {
int32_t ret = ProcessingParseSegmentData(pSegment, pPause);
while (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE &&
@@ -331,33 +331,33 @@ int32_t CJBig2_Context::ProcessingParseSegmentData(
PauseIndicatorIface* pPause) {
switch (pSegment->m_cFlags.s.type) {
case 0:
- return parseSymbolDict(pSegment);
+ return ParseSymbolDict(pSegment);
case 4:
case 6:
case 7:
if (!m_bInPage)
return JBIG2_ERROR_FATAL;
- return parseTextRegion(pSegment);
+ return ParseTextRegion(pSegment);
case 16:
- return parsePatternDict(pSegment, pPause);
+ return ParsePatternDict(pSegment, pPause);
case 20:
case 22:
case 23:
if (!m_bInPage)
return JBIG2_ERROR_FATAL;
- return parseHalftoneRegion(pSegment, pPause);
+ return ParseHalftoneRegion(pSegment, pPause);
case 36:
case 38:
case 39:
if (!m_bInPage)
return JBIG2_ERROR_FATAL;
- return parseGenericRegion(pSegment, pPause);
+ return ParseGenericRegion(pSegment, pPause);
case 40:
case 42:
case 43:
if (!m_bInPage)
return JBIG2_ERROR_FATAL;
- return parseGenericRefinementRegion(pSegment);
+ return ParseGenericRefinementRegion(pSegment);
case 48: {
uint16_t wTemp;
auto pPageInfo = pdfium::MakeUnique<JBig2PageInfo>();
@@ -404,7 +404,7 @@ int32_t CJBig2_Context::ProcessingParseSegmentData(
m_pStream->offset(pSegment->m_dwData_length);
break;
case 53:
- return parseTable(pSegment);
+ return ParseTable(pSegment);
case 62:
m_pStream->offset(pSegment->m_dwData_length);
break;
@@ -414,7 +414,7 @@ int32_t CJBig2_Context::ProcessingParseSegmentData(
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
+int32_t CJBig2_Context::ParseSymbolDict(CJBig2_Segment* pSegment) {
uint16_t wFlags;
if (m_pStream->readShortInteger(&wFlags) != 0)
return JBIG2_ERROR_TOO_SHORT;
@@ -450,14 +450,14 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
return JBIG2_ERROR_LIMIT;
}
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
- if (!findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]))
+ if (!FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]))
return JBIG2_ERROR_FATAL;
}
CJBig2_Segment* pLRSeg = nullptr;
pSymbolDictDecoder->SDNUMINSYMS = 0;
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
CJBig2_Segment* pSeg =
- findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
+ FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
if (pSeg->m_cFlags.s.type == 0) {
pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_SymbolDict->NumImages();
pLRSeg = pSeg;
@@ -470,7 +470,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
uint32_t dwTemp = 0;
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
CJBig2_Segment* pSeg =
- findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
+ FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
if (pSeg->m_cFlags.s.type == 0) {
const CJBig2_SymbolDict& dict = *pSeg->m_SymbolDict.get();
for (size_t j = 0; j < dict.NumImages(); ++j)
@@ -501,7 +501,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
pSymbolDictDecoder->SDHUFFDH = Table_B5.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pSymbolDictDecoder->SDHUFFDH = pSeg->m_HuffmanTable.get();
@@ -516,7 +516,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
pSymbolDictDecoder->SDHUFFDW = Table_B3.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pSymbolDictDecoder->SDHUFFDW = pSeg->m_HuffmanTable.get();
@@ -527,7 +527,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_HuffmanTable.get();
@@ -541,7 +541,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
pSymbolDictDecoder->SDHUFFAGGINST = Table_B1.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_HuffmanTable.get();
@@ -596,7 +596,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
if (bUseGbContext) {
auto pArithDecoder =
pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
- pSegment->m_SymbolDict = pSymbolDictDecoder->decode_Arith(
+ pSegment->m_SymbolDict = pSymbolDictDecoder->DecodeArith(
pArithDecoder.get(), &gbContext, &grContext);
if (!pSegment->m_SymbolDict)
return JBIG2_ERROR_FATAL;
@@ -604,7 +604,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
m_pStream->alignByte();
m_pStream->offset(2);
} else {
- pSegment->m_SymbolDict = pSymbolDictDecoder->decode_Huffman(
+ pSegment->m_SymbolDict = pSymbolDictDecoder->DecodeHuffman(
m_pStream.get(), &gbContext, &grContext);
if (!pSegment->m_SymbolDict)
return JBIG2_ERROR_FATAL;
@@ -630,10 +630,10 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
+int32_t CJBig2_Context::ParseTextRegion(CJBig2_Segment* pSegment) {
uint16_t wFlags;
JBig2RegionInfo ri;
- if (parseRegionInfo(&ri) != JBIG2_SUCCESS ||
+ if (ParseRegionInfo(&ri) != JBIG2_SUCCESS ||
m_pStream->readShortInteger(&wFlags) != 0) {
return JBIG2_ERROR_TOO_SHORT;
}
@@ -698,14 +698,14 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
return JBIG2_ERROR_FATAL;
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
- if (!findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]))
+ if (!FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]))
return JBIG2_ERROR_FATAL;
}
pTRD->SBNUMSYMS = 0;
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
CJBig2_Segment* pSeg =
- findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
+ FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
if (pSeg->m_cFlags.s.type == 0) {
pTRD->SBNUMSYMS += pSeg->m_SymbolDict->NumImages();
}
@@ -717,7 +717,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
dwTemp = 0;
for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
CJBig2_Segment* pSeg =
- findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
+ FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[i]);
if (pSeg->m_cFlags.s.type == 0) {
const CJBig2_SymbolDict& dict = *pSeg->m_SymbolDict.get();
for (size_t j = 0; j < dict.NumImages(); ++j)
@@ -732,7 +732,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
if (pTRD->SBHUFF == 1) {
std::vector<JBig2HuffmanCode> SBSYMCODES =
- decodeSymbolIDHuffmanTable(m_pStream.get(), pTRD->SBNUMSYMS);
+ DecodeSymbolIDHuffmanTable(m_pStream.get(), pTRD->SBNUMSYMS);
if (SBSYMCODES.empty())
return JBIG2_ERROR_FATAL;
@@ -773,7 +773,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFFS = Table_B7.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFFS = pSeg->m_HuffmanTable.get();
@@ -792,7 +792,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFDS = Table_B10.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFDS = pSeg->m_HuffmanTable.get();
@@ -811,7 +811,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFDT = Table_B13.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFDT = pSeg->m_HuffmanTable.get();
@@ -826,7 +826,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFRDW = Table_B15.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFRDW = pSeg->m_HuffmanTable.get();
@@ -845,7 +845,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFRDH = Table_B15.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFRDH = pSeg->m_HuffmanTable.get();
@@ -864,7 +864,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFRDX = Table_B15.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFRDX = pSeg->m_HuffmanTable.get();
@@ -883,7 +883,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFRDY = Table_B15.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFRDY = pSeg->m_HuffmanTable.get();
@@ -894,7 +894,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pTRD->SBHUFFRSIZE = Table_B1.get();
} else {
CJBig2_Segment* pSeg =
- findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
+ FindReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
if (!pSeg)
return JBIG2_ERROR_FATAL;
pTRD->SBHUFFRSIZE = pSeg->m_HuffmanTable.get();
@@ -911,14 +911,14 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
pSegment->m_Image =
- pTRD->decode_Arith(pArithDecoder.get(), grContext.get(), nullptr);
+ pTRD->DecodeArith(pArithDecoder.get(), grContext.get(), nullptr);
if (!pSegment->m_Image)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
m_pStream->offset(2);
} else {
pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- pSegment->m_Image = pTRD->decode_Huffman(m_pStream.get(), grContext.get());
+ pSegment->m_Image = pTRD->DecodeHuffman(m_pStream.get(), grContext.get());
if (!pSegment->m_Image)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
@@ -938,7 +938,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
+int32_t CJBig2_Context::ParsePatternDict(CJBig2_Segment* pSegment,
PauseIndicatorIface* pPause) {
uint8_t cFlags;
auto pPDD = pdfium::MakeUnique<CJBig2_PDDProc>();
@@ -962,14 +962,14 @@ int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
auto pArithDecoder =
pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
pSegment->m_PatternDict =
- pPDD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause);
+ pPDD->DecodeArith(pArithDecoder.get(), gbContext.get(), pPause);
if (!pSegment->m_PatternDict)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
m_pStream->offset(2);
} else {
- pSegment->m_PatternDict = pPDD->decode_MMR(m_pStream.get());
+ pSegment->m_PatternDict = pPDD->DecodeMMR(m_pStream.get());
if (!pSegment->m_PatternDict)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
@@ -977,12 +977,12 @@ int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
+int32_t CJBig2_Context::ParseHalftoneRegion(CJBig2_Segment* pSegment,
PauseIndicatorIface* pPause) {
uint8_t cFlags;
JBig2RegionInfo ri;
auto pHRD = pdfium::MakeUnique<CJBig2_HTRDProc>();
- if (parseRegionInfo(&ri) != JBIG2_SUCCESS ||
+ if (ParseRegionInfo(&ri) != JBIG2_SUCCESS ||
m_pStream->read1Byte(&cFlags) != 0 ||
m_pStream->readInteger(&pHRD->HGW) != 0 ||
m_pStream->readInteger(&pHRD->HGH) != 0 ||
@@ -1010,7 +1010,7 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
return JBIG2_ERROR_FATAL;
CJBig2_Segment* pSeg =
- findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[0]);
+ FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[0]);
if (!pSeg || (pSeg->m_cFlags.s.type != 16))
return JBIG2_ERROR_FATAL;
@@ -1031,14 +1031,14 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
auto pArithDecoder =
pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
pSegment->m_Image =
- pHRD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause);
+ pHRD->DecodeArith(pArithDecoder.get(), gbContext.get(), pPause);
if (!pSegment->m_Image)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
m_pStream->offset(2);
} else {
- pSegment->m_Image = pHRD->decode_MMR(m_pStream.get());
+ pSegment->m_Image = pHRD->DecodeMMR(m_pStream.get());
if (!pSegment->m_Image)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
@@ -1058,12 +1058,12 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
+int32_t CJBig2_Context::ParseGenericRegion(CJBig2_Segment* pSegment,
PauseIndicatorIface* pPause) {
if (!m_pGRD) {
auto pGRD = pdfium::MakeUnique<CJBig2_GRDProc>();
uint8_t cFlags;
- if (parseRegionInfo(&m_ri) != JBIG2_SUCCESS ||
+ if (ParseRegionInfo(&m_ri) != JBIG2_SUCCESS ||
m_pStream->read1Byte(&cFlags) != 0) {
return JBIG2_ERROR_TOO_SHORT;
}
@@ -1097,11 +1097,11 @@ int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
if (!m_pArithDecoder) {
m_pArithDecoder =
pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
- m_ProcessingStatus = m_pGRD->Start_decode_Arith(
+ m_ProcessingStatus = m_pGRD->StartDecodeArith(
&pSegment->m_Image, m_pArithDecoder.get(), &m_gbContext[0], pPause);
} else {
m_ProcessingStatus =
- m_pGRD->Continue_decode(pPause, m_pArithDecoder.get());
+ m_pGRD->ContinueDecode(pPause, m_pArithDecoder.get());
}
if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
if (pSegment->m_cFlags.s.type != 36) {
@@ -1130,7 +1130,7 @@ int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
m_pStream->alignByte();
m_pStream->offset(2);
} else {
- m_pGRD->Start_decode_MMR(&pSegment->m_Image, m_pStream.get());
+ m_pGRD->StartDecodeMMR(&pSegment->m_Image, m_pStream.get());
if (!pSegment->m_Image) {
m_pGRD.reset();
return JBIG2_ERROR_FATAL;
@@ -1156,10 +1156,10 @@ int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
+int32_t CJBig2_Context::ParseGenericRefinementRegion(CJBig2_Segment* pSegment) {
JBig2RegionInfo ri;
uint8_t cFlags;
- if (parseRegionInfo(&ri) != JBIG2_SUCCESS ||
+ if (ParseRegionInfo(&ri) != JBIG2_SUCCESS ||
m_pStream->read1Byte(&cFlags) != 0) {
return JBIG2_ERROR_TOO_SHORT;
}
@@ -1181,7 +1181,7 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
if (pSegment->m_nReferred_to_segment_count > 0) {
int32_t i;
for (i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) {
- pSeg = findSegmentByNumber(pSegment->m_Referred_to_segment_numbers[0]);
+ pSeg = FindSegmentByNumber(pSegment->m_Referred_to_segment_numbers[0]);
if (!pSeg)
return JBIG2_ERROR_FATAL;
@@ -1205,7 +1205,7 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
auto pArithDecoder = pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- pSegment->m_Image = pGRRD->decode(pArithDecoder.get(), grContext.get());
+ pSegment->m_Image = pGRRD->Decode(pArithDecoder.get(), grContext.get());
if (!pSegment->m_Image)
return JBIG2_ERROR_FATAL;
@@ -1226,7 +1226,7 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseTable(CJBig2_Segment* pSegment) {
+int32_t CJBig2_Context::ParseTable(CJBig2_Segment* pSegment) {
pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER;
pSegment->m_HuffmanTable.reset();
auto pHuff = pdfium::MakeUnique<CJBig2_HuffmanTable>(m_pStream.get());
@@ -1238,7 +1238,7 @@ int32_t CJBig2_Context::parseTable(CJBig2_Segment* pSegment) {
return JBIG2_SUCCESS;
}
-int32_t CJBig2_Context::parseRegionInfo(JBig2RegionInfo* pRI) {
+int32_t CJBig2_Context::ParseRegionInfo(JBig2RegionInfo* pRI) {
if (m_pStream->readInteger((uint32_t*)&pRI->width) != 0 ||
m_pStream->readInteger((uint32_t*)&pRI->height) != 0 ||
m_pStream->readInteger((uint32_t*)&pRI->x) != 0 ||
@@ -1249,7 +1249,7 @@ int32_t CJBig2_Context::parseRegionInfo(JBig2RegionInfo* pRI) {
return JBIG2_SUCCESS;
}
-std::vector<JBig2HuffmanCode> CJBig2_Context::decodeSymbolIDHuffmanTable(
+std::vector<JBig2HuffmanCode> CJBig2_Context::DecodeSymbolIDHuffmanTable(
CJBig2_BitStream* pStream,
uint32_t SBNUMSYMS) {
const size_t kRunCodesSize = 35;
@@ -1258,7 +1258,7 @@ std::vector<JBig2HuffmanCode> CJBig2_Context::decodeSymbolIDHuffmanTable(
if (pStream->readNBits(4, &huffman_codes[i].codelen) != 0)
return std::vector<JBig2HuffmanCode>();
}
- huffman_assign_code(huffman_codes, kRunCodesSize);
+ HuffmanAssignCode(huffman_codes, kRunCodesSize);
std::vector<JBig2HuffmanCode> SBSYMCODES(SBNUMSYMS);
int32_t run = 0;
@@ -1314,13 +1314,13 @@ std::vector<JBig2HuffmanCode> CJBig2_Context::decodeSymbolIDHuffmanTable(
++i;
}
}
- huffman_assign_code(SBSYMCODES.data(), SBNUMSYMS);
+ HuffmanAssignCode(SBSYMCODES.data(), SBNUMSYMS);
return SBSYMCODES;
}
-void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode* SBSYMCODES,
- int NTEMP) {
- // TODO(thestig) CJBig2_HuffmanTable::parseFromCodedBuffer() has similar code.
+void CJBig2_Context::HuffmanAssignCode(JBig2HuffmanCode* SBSYMCODES,
+ int NTEMP) {
+ // TODO(thestig) CJBig2_HuffmanTable::ParseFromCodedBuffer() has similar code.
int LENMAX = 0;
for (int i = 0; i < NTEMP; ++i)
LENMAX = std::max(LENMAX, SBSYMCODES[i].codelen);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 04:51:43 +0000