// $Revision: 1.2 $
// Copyright (C) 1995 Taligent, Inc. All rights reserved.

#ifndef Taligent_XBM
#include "XBM.h"
#endif
#ifndef Taligent_DECODEXBM
#include "DecodeXBM.h"
#endif
#ifndef Taligent_PRIMITIVETYPES
#include <Taligent/PrimitiveTypes.h>
#endif
#ifndef Taligent_TEXTCLASSES
#include <Taligent/TextClasses.h>
#endif

TXBMConverter::TXBMConverter()
{
}

TModifiableImage*
TXBMConverter::CreateFrom( TStream& XBMStream )
{
	TXBMDecoder decoder(XBMStream);
	TModifiableImage* result = decoder.OrphanImage();
	return result;
}

TaligentTypeExtensionMacro(TXBMConverter::TXBMConverterException)

TXBMConverter::TXBMConverterException::TXBMConverterException()
	: TStandardException()
{
}

TXBMConverter::TXBMConverterException::TXBMConverterException(ErrorCode code)
	: TStandardException(),
	fCode(code)
{
}

TXBMConverter::TXBMConverterException::TXBMConverterException(
								 const TXBMConverterException& e)
	: TStandardException(e),
	fCode(e.fCode)
{
}

TXBMConverter::TXBMConverterException::~TXBMConverterException()
{
}

TStream&
TXBMConverter::TXBMConverterException::operator>>=(TStream &toStream) const
{
	TStandardException::operator>>=(toStream);
	unsigned char code = (unsigned char) fCode;
	code >>= toStream;
	return toStream;
}

TStream&
TXBMConverter::TXBMConverterException::operator <<=(TStream &fromStream)
{
	TStandardException::operator<<=(fromStream);
	unsigned char code;
	code <<= fromStream;
	fCode = (ErrorCode)code;
	return fromStream;
}

TXBMConverter::TXBMConverterException::ErrorCode
TXBMConverter::TXBMConverterException::GetErrorCode() const
{
	return fCode;
}

void
TXBMConverter::TXBMConverterException::GetDescription(TText& text)
{
	const char* kDescriptions[] = {
		"Not a XBM data stream.",
		"Bad data while decoding pixels." };
	text.Delete();
	text.Insert(TStandardText(kDescriptions[fCode]));
}

void
TXBMConverter::TXBMConverterException::Throw() const
{
	throw *(TXBMConverter::TXBMConverterException*)this;
}