Slnkdwf/SlnkDWFImpl/myEPlotSectionImpl.cpp

// EPlotSection.cpp : Implementation of CEPlotSection

#include "stdafx.h"

#include "myEPlotSectionImpl.h"

#include "myWT_File.h"

#include "dwfcore/mime.h"

// CEPlotSection

CEPlotSectionImpl::~CEPlotSectionImpl() 
{
#ifndef DWFTK_READ_ONLY
	if (m_pW2DOutStream)
		delete m_pW2DOutStream;
#endif
	if (m_pW2DInStream)
		delete m_pW2DInStream;
}

void CEPlotSectionImpl::Init(DWFToolkit::DWFEPlotSection* pSection,
						 const CString SourceDescription,
						 BOOL pForWrite)
{
	m_pSection = pSection;
	ATLASSERT(m_pSection == pSection);
	m_ForWrite = pForWrite;
	m_SourceDescription = SourceDescription;

	if (!pForWrite) 
	{
		m_pSection->readDescriptor();
	}
}

const CString CEPlotSectionImpl::get_Name()
{
	return CString(m_pSection->name());
}


const CString CEPlotSectionImpl::get_Title()
{
	return CString(m_pSection->title());
}

ULONG CEPlotSectionImpl::get_PaperColor()
{
	DWFPaper *paper = m_pSection->paper();
	return paper->color();
}

// Always inches
double CEPlotSectionImpl::get_PaperClipWidth()
{
	DWFPaper *paper = m_pSection->paper();
	if (paper)
	{
		const double *clip = paper->clip();
		switch (paper->units())
		{
			case DWFPaper::eMillimeters:
				return (clip[2] - clip[0])/25.4;
				break;
			case DWFPaper::eInches:
				return clip[2] - clip[0];
				break;
		}
	}

	return -1; // Invalid
}

double CEPlotSectionImpl::get_PaperClipHeight()
{
	DWFPaper *paper = m_pSection->paper();
	if (paper)
	{
		const double *clip = paper->clip();
		switch (paper->units())
		{
			case DWFPaper::eMillimeters:
				return (clip[3] - clip[1])/25.4;
				break;
			case DWFPaper::eInches:
				return clip[3] - clip[1];
				break;
		}
	}

	return -1; // Invalid
}

STDMETHODIMP CEPlotSectionImpl::Open(BOOL bForWrite)
{
#ifdef DWFTK_READ_ONLY
	ATLASSERT(!bForWrite);
#endif
	try
	{
		//
		// get the graphics stream
		//
		DWFResourceContainer::ResourceIterator* piResources = 
					m_pSection->findResourcesByRole( DWFXML::kzRole_Graphics2d );

		if ((piResources == NULL) || (piResources->valid() == false))
		{
			if (piResources)
			{
				DWFCORE_FREE_OBJECT( piResources );
			}

			throw myCString("Illegal EPlot section - no graphics");
		}

		//
		// get the w2d resource
		//
		//Since we know it's a Graphics2D role, we should be able to cast 
		//into an EPlotGraphicResource, otherwise the authoring tool didn't
		//read the spec.
		DWFToolkit::DWFGraphicResource* pW2D = dynamic_cast<DWFGraphicResource*>(piResources->get());
		ATLASSERT(pW2D != NULL);
		DWFString s = pW2D->creationTime();
		if (s.chars())
			myTRACE("\nCreationTime %s", (const wchar_t *)pW2D->creationTime());

		
		//
		// done with the iterator
		//
		DWFCORE_FREE_OBJECT( piResources );

		if (pW2D == NULL)
		{
			throw myCString("Type mismatch - not a W2D resource");
		}

		if (pW2D->mime() != DWFCore::DWFMIME::kzMIMEType_W2D)
		{
			myDoTRACE("\nMime: %ls", (const wchar_t*)pW2D->mime());
			throw myCString("Unsupported graphics resource (%ls)."
							 "\nMeasurement/Print disabled?", (const wchar_t*)pW2D->mime());
		}
		
		//
		// get the data stream
		//
#ifndef DWFTK_READ_ONLY
		if (bForWrite)
		{
			m_pW2DOutStream = new DWFCore::DWFBufferOutputStream(1024);
		}
		else
#endif
		{
			// TODO: Fors geheugenlek?
			m_pW2DInStream = pW2D->getInputStream();
			m_nSize = pW2D->size();
#ifndef DWFTK_READ_ONLY
			if (!m_pW2DInStream && m_pW2DOutStream)
				m_pW2DInStream = new DWFCore::DWFBufferInputStream(m_pW2DOutStream->buffer(), m_pW2DOutStream->bytes());
#endif
		}
		return S_OK;
	}
	catch (DWFException& ex)
    {
		CString err;
		err.Format("%ls\n%ls\n%s\n%ls(%d)",ex.type(),ex.message(),ex.function(),ex.file(),ex.line());
		throw myCString("\nCEPlotSectionImpl::open(\"%s\")\n%s", m_SourceDescription, err);
    }
}

const DWFProperty* const CEPlotSectionImpl::findProperty( const DWFString& zName,
													const DWFString& zCategory )
{
	return m_pSection->findProperty( zName, zCategory);
}

void const CEPlotSectionImpl::addProperty( const DWFString& zCategory, 
										   const DWFString& zName,
										   const DWFString& zValue )
{
	m_pSection->addProperty( DWFCORE_ALLOC_OBJECT(DWFToolkit::DWFProperty(zName, zValue, zCategory, L"", L"")), true );
}


HRESULT CEPlotSectionImpl::Read( void *pv, ULONG cb, ULONG *pcbRead) 
{ 
	ATLASSERT(m_pW2DInStream); // Open first!

	(*pcbRead)=0;
	if (m_pW2DInStream->available()>0)
	{
		(*pcbRead) = (ULONG)m_pW2DInStream->read( pv, cb );
	}
	return S_OK; 
};

HRESULT CEPlotSectionImpl::Seek( ULONG cb, ULONG *pcbRead) 
{ 
	ATLASSERT(m_pW2DInStream); // Open first!

	(*pcbRead)=0;
	if (m_pW2DInStream->available()>0)
	{
		(*pcbRead) = (ULONG)m_pW2DInStream->seek( SEEK_CUR, cb );
	}
	return S_OK; 
};

#ifndef DWFTK_READ_ONLY
HRESULT CEPlotSectionImpl::Write( const void *pv, ULONG cb, ULONG *pcbWritten) 
{
	ATLASSERT(m_pW2DOutStream); // Open first!

	(*pcbWritten)=0;
	
	(*pcbWritten) = (ULONG)m_pW2DOutStream->write( pv, cb );
	return S_OK; 
};
#endif

STDMETHODIMP CEPlotSectionImpl::Close(void)
{
	// Don't bother ASSERT(m_pW2DInStream); // Open first!
//	if (m_pW2DOutStream)
//		m_pSection->res m_pW2DOutStream
	if (m_pW2DInStream)
		delete m_pW2DInStream;
	m_pW2DInStream = NULL;
	return S_OK;
}

STDMETHODIMP CEPlotSectionImpl::get_SourceDescription(CString & pVal)
{
	pVal = m_SourceDescription;
	return S_OK;
}

#ifndef DWFTK_READ_ONLY
STDMETHODIMP CEPlotSectionImpl::get_PropertiesXML(CString &pVal)
{
	if (m_pSection!=NULL)
	{
		DWFCore::DWFBufferOutputStream m_XMLProps(1024);
		DWFUUID _oUUID;
		DWFXMLSerializer XML(_oUUID);
		XML.attach(m_XMLProps);

		//DWFManifest& rManifest = m_pSection;
		m_pSection->serializeXML(XML, DWFPackageWriter::eDescriptor);
		XML.detach();

		pVal = CString((LPCSTR)m_XMLProps.buffer(), (int)m_XMLProps.bytes());
		return S_OK;
	}
	else
		return E_FAIL;

	return S_OK;
}

bool CEPlotSectionImpl::SaveAs(const CString &destpath)
{
	ATLASSERT(!m_pW2DInStream); // Don't open first!

	try
	{
		Open(false);
		DWFFile m_pTempFile(destpath); 
		DWFStreamFileDescriptor fds (m_pTempFile, L"wb");
		fds.open();
		DWFFileOutputStream rTempStream;
		rTempStream.attach(&fds,false);

		// Copy pW2DStream to rTempStream
#define DATA_BUFFER_BYTES   16384
		unsigned char* pDataBuffer = DWFCORE_ALLOC_MEMORY( unsigned char, DATA_BUFFER_BYTES );
		if (pDataBuffer == NULL)
		{
			_DWFCORE_THROW( DWFMemoryException, L"No memory for data buffer" );
		}

		while (m_pW2DInStream->available()>0)
		{
			size_t nBytes;
			nBytes = m_pW2DInStream->read( pDataBuffer, DATA_BUFFER_BYTES );
			rTempStream.write( pDataBuffer, nBytes );
		}
		rTempStream.flush();
		rTempStream.detach();
		fds.close();

		DWFCORE_FREE_MEMORY( pDataBuffer )
		Close();
	}
	catch (DWFException& ex)
    {
		CString err;
		err.Format("%ls\n%ls\n%s\n%ls(%d)",ex.type(),ex.message(),ex.function(),ex.file(),ex.line());
		throw myCString("\nCEPlotSectionImpl::open(\"%s\")\n%s", m_SourceDescription, err);
    }

	return true;
};

bool CEPlotSectionImpl::SaveAsAscii(const CString &srcpath, const CString &destpath)
{
	myWT_File my_input_file;
	my_input_file.set_filename(srcpath);
	my_input_file.SaveAsAscii(destpath);

	return true;
}

bool CEPlotSectionImpl::SaveAsAscii(const CString &destpath, EPlot_Progress_Action progress_action /* = NULL */)
{
	ATLASSERT(!m_pW2DInStream); // Don't open first!

	myWT_File my_input_file;
	my_input_file.set_eplotsection(this);
	return my_input_file.SaveAsAscii(destpath, progress_action);
};
#endif