FlatView::ZoomMgr Class Reference

Manages zoom factors. Will always provide a new zoom when forward() called, using fwdFac(). For back, will stop at initial. More...

List of all members.

Public Types
typedef Geom::Size2D< double >	Size
typedef Geom::Point2D< double >	Point
Public Member Functions
	ZoomMgr ()
void	init (const Geom::Rectangle< double > &)
void	reInit (const Geom::Rectangle< double > &)
	Will try to keep as many zooms as possible.
void	add (Size)
Size	current () const
Size	back () const
	never past initial zoom
Size	forward () const
	goes on and on
bool	atStart () const
Size	toStart () const
int	nrZooms () const
Size	initialSize () const
double	fwdFac () const
void	setFwdFac (double fac)
Point	initialCenter () const
Protected Attributes
int	cur_
TypeSet< Size >	zooms_
Point	center_
double	fwdfac_

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Detailed Description

Manages zoom factors. Will always provide a new zoom when forward() called, using fwdFac(). For back, will stop at initial.

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Member Typedef Documentation

typedef Geom::Point2D<double> FlatView::ZoomMgr::Point

typedef Geom::Size2D<double> FlatView::ZoomMgr::Size

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Constructor & Destructor Documentation

FlatView::ZoomMgr::ZoomMgr

(

)

[inline]

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Member Function Documentation

void FlatView::ZoomMgr::add

(

Size

)

Will put this Size at the right place and make it current will remove zooms larger than this one

bool FlatView::ZoomMgr::atStart

(

)

const [inline]

Size FlatView::ZoomMgr::back

(

)

const

never past initial zoom

Size FlatView::ZoomMgr::current

(

)

const

Size FlatView::ZoomMgr::forward

(

)

const

goes on and on

double FlatView::ZoomMgr::fwdFac

(

)

const [inline]

void FlatView::ZoomMgr::init

(

const Geom::Rectangle< double > &

)

Point FlatView::ZoomMgr::initialCenter

(

)

const [inline]

Size FlatView::ZoomMgr::initialSize

(

)

const [inline]

int FlatView::ZoomMgr::nrZooms

(

)

const [inline]

void FlatView::ZoomMgr::reInit

(

const Geom::Rectangle< double > &

)

Will try to keep as many zooms as possible.

void FlatView::ZoomMgr::setFwdFac

(

double

fac

)

[inline]

Size FlatView::ZoomMgr::toStart

(

)

const

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Member Data Documentation

Point FlatView::ZoomMgr::center_ [protected]

int FlatView::ZoomMgr::cur_ [mutable, protected]

double FlatView::ZoomMgr::fwdfac_ [protected]

TypeSet<Size> FlatView::ZoomMgr::zooms_ [protected]