Microsoft-3D-Movie-Maker/kauai/TOOLS/CHMBMP.CPP

/* Copyright (c) Microsoft Corporation.
   Licensed under the MIT License. */

/****************************************************************************

	DOCMBMP methods.

****************************************************************************/
#include "ched.h"
ASSERTNAME

RTCLASS(DOCMBMP)
RTCLASS(DCMBMP)


/****************************************************************************
	Constructor for a MBMP document.
****************************************************************************/
DOCMBMP::DOCMBMP(PDOCB pdocb, PCFL pcfl, CTG ctg, CNO cno)
	: DOCE(pdocb, pcfl, ctg, cno)
{
	_pmbmp = pvNil;
}


/****************************************************************************
	Destructor for a MBMP document.
****************************************************************************/
DOCMBMP::~DOCMBMP(void)
{
	ReleasePpo(&_pmbmp);
}


/****************************************************************************
	Static method to create a new MBMP document.
****************************************************************************/
PDOCMBMP DOCMBMP::PdocmbmpNew(PDOCB pdocb, PCFL pcfl, CTG ctg, CNO cno)
{
	PDOCMBMP pdocmbmp;

	if (pvNil == (pdocmbmp = NewObj DOCMBMP(pdocb, pcfl, ctg, cno)))
		return pvNil;
	if (!pdocmbmp->_FInit())
		{
		ReleasePpo(&pdocmbmp);
		return pvNil;
		}
	AssertPo(pdocmbmp, 0);
	return pdocmbmp;
}


/****************************************************************************
	Create a new display gob for the MBMP document.
****************************************************************************/
PDDG DOCMBMP::PddgNew(PGCB pgcb)
{
	return DCMBMP::PdcmbmpNew(this, _pmbmp, pgcb);
}


/***************************************************************************
	Return the size of the thing on file.
***************************************************************************/
long DOCMBMP::_CbOnFile(void)
{
	return _pmbmp->CbOnFile();
}

/****************************************************************************
	Write the data out.
****************************************************************************/
bool DOCMBMP::_FWrite(PBLCK pblck, bool fRedirect)
{
	AssertThis(0);
	AssertPo(pblck, 0);

	return _pmbmp->FWrite(pblck);
}


/*****************************************************************************
	Read the MBMP.
*****************************************************************************/
bool DOCMBMP::_FRead(PBLCK pblck)
{
	Assert(pvNil == _pmbmp, "losing existing MBMP");
	AssertPo(pblck, 0);

	_pmbmp = MBMP::PmbmpRead(pblck);
	return pvNil != _pmbmp;
}


#ifdef DEBUG
/***************************************************************************
	Assert the validity of a DOCMBMP.
***************************************************************************/
void DOCMBMP::AssertValid(ulong grf)
{
	DOCMBMP_PAR::AssertValid(0);
	AssertPo(_pmbmp, 0);
}


/***************************************************************************
	Mark memory for the DOCMBMP.
***************************************************************************/
void DOCMBMP::MarkMem(void)
{
	AssertValid(0);
	DOCMBMP_PAR::MarkMem();
	MarkMemObj(_pmbmp);
}
#endif //DEBUG


/*****************************************************************************
	Constructor for a pic display gob.
*****************************************************************************/
DCMBMP::DCMBMP(PDOCB pdocb, PMBMP pmbmp, PGCB pgcb) : DDG(pdocb, pgcb)
{
	_pmbmp = pmbmp;
}


/*****************************************************************************
	Get the min-max for a DCMBMP.
*****************************************************************************/
void DCMBMP::GetMinMax(RC *prcMinMax)
{
	prcMinMax->Set(0, 0, kswMax, kswMax);
}


/*****************************************************************************
	Static method to create a new DCMBMP.
*****************************************************************************/
PDCMBMP DCMBMP::PdcmbmpNew(PDOCB pdocb, PMBMP pmbmp, PGCB pgcb)
{
	PDCMBMP pdcmbmp;								

	if (pvNil == (pdcmbmp = NewObj DCMBMP(pdocb, pmbmp, pgcb)))
		return pvNil;

	if (!pdcmbmp->_FInit())
		{
		ReleasePpo(&pdcmbmp);
		return pvNil;
		}
	pdcmbmp->Activate(fTrue);

	AssertPo(pdcmbmp, 0);
	return pdcmbmp;
}


/***************************************************************************
	Draw the MBMP.
***************************************************************************/
void DCMBMP::Draw(PGNV pgnv, RC *prcClip)
{
	RC rcMbmp, rcDdg;

	// retrieve appropriate rectangles
	GetRc(&rcDdg, cooLocal);
	_pmbmp->GetRc(&rcMbmp);
	rcMbmp.CenterOnRc(&rcDdg);

	// erase *prcClip
	pgnv->FillRc(prcClip, kacrWhite);
	pgnv->FillRcApt(&rcMbmp, &vaptLtGray, kacrLtGray, kacrWhite);

	// draw mbmp in GPT
	pgnv->DrawMbmp(_pmbmp, &rcMbmp);
}


#ifdef DEBUG
/***************************************************************************
	Assert the validity of a DCMBMP.
***************************************************************************/
void DCMBMP::AssertValid(ulong grf)
{
	DCMBMP_PAR::AssertValid(0);
	AssertPo(_pmbmp, 0);
}


/***************************************************************************
	Mark memory for the DCMBMP.
***************************************************************************/
void DCMBMP::MarkMem(void)
{
	AssertValid(0);
	DCMBMP_PAR::MarkMem();
	MarkMemObj(_pmbmp);
}
#endif //DEBUG