C++ (Cpp) NCSJP2_CHECKIO Examples

Example #1

File: NCSJPCPPTMarker.cpp Project: forostm/libecw

// Parse the marker in from the JP2 file.
CNCSError CNCSJPCPPTMarker::Parse(CNCSJPC &JPC, CNCSJPCIOStream &Stream)
{
	&JPC;//Keep compiler happy
	CNCSError Error;

	m_bHaveMarker = true;

	NCSJP2_CHECKIO_BEGIN(Error, Stream);
		NCSJP2_CHECKIO(ReadUINT16(m_nLength));
		NCSJP2_CHECKIO(ReadUINT8(m_nZppt));

		NCSJP2_CHECKIO(Seek(m_nLength - (sizeof(UINT16) + sizeof(UINT8))));

		if(Error == NCS_SUCCESS) {
			m_bValid = true;
		}
	NCSJP2_CHECKIO_END();
	return(Error);
}

Example #2

File: NCSJP2SignatureBox.cpp Project: forostm/libecw

// UnParse the box to the stream
CNCSError CNCSJP2File::CNCSJP2SignatureBox::UnParse(class CNCSJP2File &JP2File, CNCSJPCIOStream &Stream)
{
	CNCSError Error;

	Error = CNCSJP2Box::UnParse(JP2File, Stream);
	NCSJP2_CHECKIO_BEGIN(Error, Stream);
		NCSJP2_CHECKIO(WriteUINT32(sm_JP2Signature));
	NCSJP2_CHECKIO_END();
	return(Error);
}

Example #3

File: NCSJPCRGNMarker.cpp Project: forostm/libecw

// UnParse the marker out to the stream.
CNCSError CNCSJPCRGNMarker::UnParse(CNCSJPC &JPC, CNCSJPCIOStream &Stream)
{
	CNCSError Error;

	Error = CNCSJPCMarker::UnParse(JPC, Stream);
	NCSJP2_CHECKIO_BEGIN(Error, Stream);
		NCSJP2_CHECKIO(WriteUINT16(m_nLength));

		if(JPC.m_SIZ.m_nCsiz < 257) {
			NCSJP2_CHECKIO(WriteUINT8((UINT8)m_nCrgn));
		} else {
			NCSJP2_CHECKIO(WriteUINT16(m_nCrgn));
		}
		
		NCSJP2_CHECKIO(WriteUINT8((UINT8)m_eSrgn));
		NCSJP2_CHECKIO(WriteUINT8(m_nSPrgn));
	NCSJP2_CHECKIO_END();
	return(Error);
}

Example #4

File: NCSJPCCRGMarker.cpp Project: forostm/libecw

// Parse the marker in from the JP2 file.
CNCSError CNCSJPCCRGMarker::Parse(CNCSJPC &JPC, CNCSJPCIOStream &Stream)
{
	CNCSError Error;

	m_bHaveMarker = true;

	NCSJP2_CHECKIO_BEGIN(Error, Stream);
		NCSJP2_CHECKIO(ReadUINT16(m_nLength));

		for(int i = 0; i < JPC.m_SIZ.m_nCsiz; i++) {
			Registration reg;
			NCSJP2_CHECKIO(ReadUINT16(reg.m_nXcrg));
			NCSJP2_CHECKIO(ReadUINT16(reg.m_nYcrg));
			m_Offsets.push_back(reg);
		}
		if(Error == NCS_SUCCESS) {
			m_bValid = true;
		}
	NCSJP2_CHECKIO_END();
	return(Error);
}

Example #5

File: NCSJPCComponentDepthType.cpp Project: forostm/libecw

// Parse the marker in from the JP2 file.
CNCSError CNCSJPCComponentDepthType::Parse(CNCSJPC &JPC, CNCSJPCIOStream &Stream)
{
	&JPC;//Keep compiler happy
	CNCSError Error;

	NCSJP2_CHECKIO_BEGIN(Error, Stream);
		NCSJP2_CHECKIO(ReadUINT8(m_nBits));
	
		if(m_nBits != 255) {
			if(m_nBits & 0x80) {
				m_bSigned = true;
			} else {
				m_bSigned = false;
			}
			m_nBits = (m_nBits & 0x7f) + 1;
		}
	NCSJP2_CHECKIO_END();
	return(Error);
}

Example #6

File: NCSJP2SignatureBox.cpp Project: forostm/libecw

// Parse the box from the stream
CNCSError CNCSJP2File::CNCSJP2SignatureBox::Parse(class CNCSJP2File &JP2File, CNCSJPCIOStream &Stream)
{
	CNCSError Error;

	NCSJP2_CHECKIO_BEGIN(Error, Stream);
//		UINT8 buf[4];
		// Read in the signature
//		NCSJP2_CHECKIO(Read(buf, 4));
		UINT32 buf;
		NCSJP2_CHECKIO(ReadUINT32(buf));
		
		if(memcmp(&sm_JP2Signature, &buf, sizeof(buf)) == 0) {
			// Signature is valid
			m_bValid = true;
		} else {
			Error = NCS_FILE_INVALID;
		}
	NCSJP2_CHECKIO_END();
	return(Error);
}

Example #7

File: ImageFormatECWDEM.cpp Project: AlphaPixel/3DNature

CNCSError JP2UUID3DNBox::Parse(class CNCSJP2File &JP2File, CNCSJPCIOStream &Stream)
{
    CNCSError Error;

//See NCSJPCIOStream.h to get an understanding of these macros
    NCSJP2_CHECKIO_BEGIN(Error, Stream);
    NCSJP2_CHECKIO(Read(m_UUID.m_UUID, sizeof(m_UUID.m_UUID)));


    if (m_UUID == sm_UUID)
    {
        Stream.ReadIEEE8(_OrigMaxVal);
        Stream.ReadIEEE8(_OrigMinVal);
        Stream.ReadUINT32(_NormalizedMaxVal);
        Stream.ReadUINT32(_NormalizedMinVal);
    } // if
    NCSJP2_CHECKIO_END();

    return(Error);
} // JP2UUID3DNBox::Parse