os::Region Class Reference

Public Member Functions
	Region ()
	Region (const IRect &cRect)
	Region (const Region &cReg)
	Region (const Region &cReg, const IRect &cRect, bool bNormalize)
	~Region ()
void	Set (const IRect &cRect)
void	Set (const Region &cRect)
void	Clear (void)
bool	IsEmpty () const
int	GetClipCount () const
void	Include (const IRect &cRect)
	/since 0.3.7 More...
void	Intersect (const Region &cReg)
void	Intersect (const Region &cReg, const IPoint &cOffset)
void	Exclude (const IRect &cRect)
void	Exclude (const Region &cReg)
void	Exclude (const Region &cReg, const IPoint &cOffset)
ClipRect *	AddRect (const IRect &cRect)
Region *	Clone (const IRect &cRectangle, bool bNormalize)
void	Optimize ()
IRect	GetBounds () const

Static Public Member Functions
static void	FreeClipRect (ClipRect *pcRect)
static ClipRect *	AllocClipRect ()

Public Attributes
ClipRectList	m_cRects

Detailed Description

Description:

See Also

Author

Kurt Skauen (kurt@.nosp@m.athe.nosp@m.os.cx)

Constructor & Destructor Documentation

Region::Region

(

)

Region::Region

(

const IRect &

cRect

)

References AddRect().

Region::Region

(

const Region &

cReg

)

References Set().

Region::Region	(	const Region &	cReg,
		const IRect &	cRect,
		bool	bNormalize
	)

References os::ClipRectList::AddRect(), AllocClipRect(), ENUMCLIPLIST, os::IRect::IsValid(), os::IRect::LeftTop(), os::ClipRect::m_cBounds, and m_cRects.

Region::~Region

(

)

Member Function Documentation

ClipRect * Region::AddRect

(

const IRect &

cRect

)

References os::ClipRectList::AddRect(), AllocClipRect(), os::ClipRect::m_cBounds, and m_cRects.

Referenced by Region(), and Set().

ClipRect * Region::AllocClipRect ( )

static

References os::Locker::Lock(), and os::Locker::Unlock().

Referenced by AddRect(), Exclude(), Intersect(), and Region().

void Region::Clear

(

void

)

References os::ClipRectList::Clear(), and m_cRects.

Referenced by Intersect(), and Set().

Region* os::Region::Clone	(	const IRect &	cRectangle,
		bool	bNormalize
	)

void Region::Exclude

(

const IRect &

cRect

)

References os::ClipRectList::AddRect(), AllocClipRect(), os::IRect::bottom, FreeClipRect(), os::IRect::IsValid(), os::IRect::left, os::ClipRect::m_cBounds, m_cRects, os::ClipRectList::m_pcFirst, os::ClipRectList::m_pcLast, os::ClipRectList::RemoveHead(), os::IRect::right, os::ClipRectList::StealRects(), and os::IRect::top.

Referenced by Exclude(), and Include().

void Region::Exclude

(

const Region &

cReg

)

References ENUMCLIPLIST, Exclude(), os::ClipRect::m_cBounds, and m_cRects.

void Region::Exclude	(	const Region &	cReg,
		const IPoint &	cOffset
	)

Description:

Note:

Warning:

Parameters

\return

Error codes:

Since

0.3.7

See Also

Author

Kurt Skauen (kurt@.nosp@m.athe.nosp@m.os.cx)

References ENUMCLIPLIST, Exclude(), os::ClipRect::m_cBounds, and m_cRects.

void Region::FreeClipRect ( ClipRect *  pcRect )

static

References os::Locker::Lock(), and os::Locker::Unlock().

Referenced by os::ClipRectList::Clear(), Exclude(), Optimize(), and os::ClipRectList::~ClipRectList().

IRect Region::GetBounds

(

void

)

const

References ENUMCLIPLIST, os::ClipRect::m_cBounds, and m_cRects.

int os::Region::GetClipCount ( ) const

inline

Referenced by os::View::SetDrawingRegion(), and os::View::SetShapeRegion().

void Region::Include

(

const IRect &

cRect

)

References ENUMCLIPLIST, Exclude(), os::ClipRect::m_cBounds, m_cRects, and os::ClipRectList::StealRects().

void Region::Intersect

(

const Region &

cReg

)

References os::ClipRectList::AddRect(), AllocClipRect(), Clear(), ENUMCLIPLIST, os::IRect::IsValid(), os::ClipRect::m_cBounds, m_cRects, and os::ClipRectList::StealRects().

void Region::Intersect	(	const Region &	cReg,
		const IPoint &	cOffset
	)

Description:

Note:

Warning:

Parameters

\return

Error codes:

Since

0.3.7

See Also

Author

Kurt Skauen (kurt@.nosp@m.athe.nosp@m.os.cx)

References os::ClipRectList::AddRect(), AllocClipRect(), Clear(), ENUMCLIPLIST, os::IRect::IsValid(), os::ClipRect::m_cBounds, m_cRects, and os::ClipRectList::StealRects().

bool os::Region::IsEmpty ( void  ) const

inline

void Region::Optimize

(

)

References ENUMCLIPLIST, FreeClipRect(), os::ClipRectList::GetCount(), m_cRects, and os::ClipRectList::RemoveRect().

void Region::Set

(

const IRect &

cRect

)

References AddRect(), and Clear().

Referenced by Region().

void Region::Set

(

const Region &

cRect

)

References AddRect(), Clear(), ENUMCLIPLIST, os::ClipRect::m_cBounds, and m_cRects.

Member Data Documentation

ClipRectList os::Region::m_cRects

Referenced by AddRect(), Clear(), Exclude(), GetBounds(), Include(), Intersect(), Optimize(), Region(), Set(), os::View::SetDrawingRegion(), and os::View::SetShapeRegion().