diff options
Diffstat (limited to 'core/fpdfapi/parser/fpdf_parser_decode.cpp')
| -rw-r--r-- | core/fpdfapi/parser/fpdf_parser_decode.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/core/fpdfapi/parser/fpdf_parser_decode.cpp b/core/fpdfapi/parser/fpdf_parser_decode.cpp index e734183b2b..aafb812234 100644 --- a/core/fpdfapi/parser/fpdf_parser_decode.cpp +++ b/core/fpdfapi/parser/fpdf_parser_decode.cpp @@ -308,7 +308,7 @@ std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFlateDecoder( uint32_t FPDFAPI_FlateOrLZWDecode(bool bLZW, const uint8_t* src_buf, uint32_t src_size, - CPDF_Dictionary* pParams, + const CPDF_Dictionary* pParams, uint32_t estimated_size, uint8_t** dest_buf, uint32_t* dest_size) { @@ -339,17 +339,18 @@ bool PDF_DataDecode(const uint8_t* src_buf, uint8_t** dest_buf, uint32_t* dest_size, ByteString* ImageEncoding, - CPDF_Dictionary** pImageParms) { - CPDF_Object* pDecoder = pDict ? pDict->GetDirectObjectFor("Filter") : nullptr; + const CPDF_Dictionary** pImageParms) { + const CPDF_Object* pDecoder = + pDict ? pDict->GetDirectObjectFor("Filter") : nullptr; if (!pDecoder || (!pDecoder->IsArray() && !pDecoder->IsName())) return false; - CPDF_Object* pParams = + const CPDF_Object* pParams = pDict ? pDict->GetDirectObjectFor(pdfium::stream::kDecodeParms) : nullptr; - std::vector<std::pair<ByteString, CPDF_Object*>> DecoderArray; - if (CPDF_Array* pDecoders = pDecoder->AsArray()) { - CPDF_Array* pParamsArray = ToArray(pParams); + std::vector<std::pair<ByteString, const CPDF_Object*>> DecoderArray; + if (const CPDF_Array* pDecoders = pDecoder->AsArray()) { + const CPDF_Array* pParamsArray = ToArray(pParams); for (size_t i = 0; i < pDecoders->GetCount(); ++i) { DecoderArray.push_back( {pDecoders->GetStringAt(i), @@ -365,7 +366,7 @@ bool PDF_DataDecode(const uint8_t* src_buf, for (size_t i = 0; i < nSize; ++i) { int estimated_size = i == nSize - 1 ? last_estimated_size : 0; ByteString decoder = DecoderArray[i].first; - CPDF_Dictionary* pParam = ToDictionary(DecoderArray[i].second); + const CPDF_Dictionary* pParam = ToDictionary(DecoderArray[i].second); uint8_t* new_buf = nullptr; uint32_t new_size = 0xFFFFFFFF; uint32_t offset = FX_INVALID_OFFSET; |