ipe::Rect Class Reference

#include <ipegeo.h>

Public Member Functions
	Rect ()
	Rect (const Vector &c)
	Rect (const Vector &c1, const Vector &c2)
void	clear ()
int	isEmpty () const
double	left () const
double	right () const
double	bottom () const
double	top () const
Vector	topRight () const
Vector	bottomLeft () const
Vector	topLeft () const
Vector	bottomRight () const
Vector	center () const
double	width () const
double	height () const
void	addPoint (const Vector &rhs)
void	addRect (const Rect &rhs)
void	clipTo (const Rect &rhs)
bool	contains (const Vector &rhs) const
bool	contains (const Rect &rhs) const
bool	certainClearance (const Vector &v, double bound) const
bool	intersects (const Rect &rhs) const

Related Functions
(Note that these are not member functions.)
Stream &	operator<< (Stream &stream, const Rect &rhs)

Detailed Description

Axis-parallel rectangle (which can be empty)

Constructor & Destructor Documentation

Rect() [1/3]

ipe::Rect::Rect ( )

inlineexplicit

Create empty rectangle.

Rect() [2/3]

ipe::Rect::Rect ( const Vector &  c )

inlineexplicit

Create rectangle containing just the point c.

Rect() [3/3]

Rect::Rect ( const Vector &  c1, const Vector &  c2  )

explicit

Create rectangle containing points c1 and c2.

References addPoint().

Member Function Documentation

clear()

void ipe::Rect::clear ( )

inline

Make rectangle empty.

References ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::BBoxPainter::doNewPath().

isEmpty()

int ipe::Rect::isEmpty ( ) const

inline

True if rectangle is empty.

References ipe::Vector::x.

Referenced by addPoint(), addRect(), clipTo(), contains(), ipe::PdfWriter::createPageView(), ipe::BBoxPainter::doDrawPath(), ipe::PdfViewBase::drawPaper(), and intersects().

left()

double ipe::Rect::left ( ) const

inline

Return left side.

References ipe::Vector::x.

Referenced by ipe::PdfViewBase::drawPaper(), and ipe::Thumbnail::saveRender().

right()

double ipe::Rect::right ( ) const

inline

Return right side.

References ipe::Vector::x.

bottom()

double ipe::Rect::bottom ( ) const

inline

Return bottom side.

References ipe::Vector::y.

Referenced by ipe::PdfViewBase::drawPaper().

top()

double ipe::Rect::top ( ) const

inline

Return top side.

References ipe::Vector::y.

Referenced by ipe::Thumbnail::saveRender().

topRight()

Vector ipe::Rect::topRight ( ) const

inline

Return top right corner.

Referenced by ipe::Image::addToBBox(), ipe::Bezier::bbox(), ipe::Image::distance(), ipe::BBoxPainter::doCurveTo(), ipe::BBoxPainter::doDrawPath(), ipe::BBoxPainter::doDrawText(), ipe::Painter::rect(), ipe::Shape::Shape(), ipe::Image::snapCtl(), ipe::CanvasBase::snapToPaperAndFrame(), and ipe::TransformTool::TransformTool().

bottomLeft()

Vector ipe::Rect::bottomLeft ( ) const

inline

Return bottom left corner.

Referenced by ipe::Image::addToBBox(), ipe::Bezier::bbox(), ipe::Image::distance(), ipe::BBoxPainter::doCurveTo(), ipe::BBoxPainter::doDrawPath(), ipe::BBoxPainter::doDrawText(), ipe::Image::draw(), ipe::Painter::rect(), ipe::Shape::Shape(), ipe::Image::snapCtl(), ipe::CanvasBase::snapToPaperAndFrame(), and ipe::TransformTool::TransformTool().

topLeft()

Vector ipe::Rect::topLeft ( ) const

inline

Return top left corner.

References ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::Image::addToBBox(), ipe::Image::distance(), ipe::Painter::rect(), ipe::Thumbnail::render(), ipe::Thumbnail::saveRender(), ipe::Shape::Shape(), ipe::Image::snapCtl(), and ipe::CanvasBase::snapToPaperAndFrame().

bottomRight()

Vector ipe::Rect::bottomRight ( ) const

inline

Return bottom right corner.

References ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::Image::addToBBox(), ipe::Image::distance(), ipe::Painter::rect(), ipe::Shape::Shape(), ipe::Image::snapCtl(), and ipe::CanvasBase::snapToPaperAndFrame().

center()

Vector ipe::Rect::center ( ) const

inline

Return center of rectangle.

Referenced by ipe::Group::draw().

width()

double ipe::Rect::width ( ) const

inline

Return width.

References ipe::Vector::x.

Referenced by ipe::Group::draw(), ipe::Image::draw(), ipe::PdfViewBase::drawPaper(), ipe::PdfThumbnail::PdfThumbnail(), ipe::PdfThumbnail::render(), ipe::Thumbnail::saveRender(), ipe::Text::setXForm(), and ipe::Thumbnail::Thumbnail().

height()

double ipe::Rect::height ( ) const

inline

Return height.

References ipe::Vector::y.

Referenced by ipe::Group::draw(), ipe::Image::draw(), ipe::PdfViewBase::drawPaper(), ipe::PdfThumbnail::PdfThumbnail(), ipe::Thumbnail::saveRender(), ipe::Text::setXForm(), and ipe::Thumbnail::Thumbnail().

addPoint()

void Rect::addPoint

(

const Vector &

rhs

)

Enlarge rectangle to contain point.

References isEmpty(), ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::Reference::addToBBox(), ipe::CurveSegment::addToBBox(), ipe::ClosedSpline::addToBBox(), ipe::Text::addToBBox(), ipe::Image::addToBBox(), ipe::Bezier::bbox(), ipe::Arc::bbox(), ipe::Image::distance(), ipe::Bezier::distance(), ipe::BBoxPainter::doCurveTo(), ipe::BBoxPainter::doDrawBitmap(), ipe::BBoxPainter::doDrawPath(), ipe::BBoxPainter::doDrawText(), ipe::BBoxPainter::doLineTo(), ipe::BBoxPainter::doMoveTo(), ipe::Arc::intersect(), ipe::PdfFile::mediaBox(), Rect(), ipe::Thumbnail::saveRender(), and ipe::Bezier::snap().

addRect()

void Rect::addRect

(

const Rect &

rhs

)

Enlarge rectangle to contain rhs rectangle.

Does nothing if rhs is empty.

References isEmpty(), ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::Group::addToBBox(), ipe::CurveSegment::addToBBox(), ipe::Ellipse::addToBBox(), ipe::ClosedSpline::addToBBox(), ipe::BBoxPainter::doDrawBitmap(), ipe::BBoxPainter::doDrawText(), and ipe::TransformTool::TransformTool().

clipTo()

void Rect::clipTo

(

const Rect &

cbox

)

Clip rectangle to fit inside cbox.

Does nothing if either rectangle is empty.

References intersects(), isEmpty(), ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::Group::addToBBox(), ipe::BBoxPainter::doDrawBitmap(), ipe::BBoxPainter::doDrawPath(), and ipe::BBoxPainter::doDrawText().

contains() [1/2]

bool Rect::contains

(

const Vector &

rhs

)

const

Does (closed) rectangle contain the point?

References ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::SelectTool::mouseButton().

contains() [2/2]

bool Rect::contains

(

const Rect &

rhs

)

const

Does rectangle contain other rectangle?

References isEmpty(), ipe::Vector::x, and ipe::Vector::y.

certainClearance()

bool Rect::certainClearance	(	const Vector &	v,
		double	bound
	)		const

Returns false if the distance between the box and v is smaller than bound. Often returns true if their distance is larger than bound.

References ipe::Vector::x, and ipe::Vector::y.

Referenced by ipe::Image::distance(), ipe::Bezier::distance(), and ipe::Bezier::snap().

intersects()

bool Rect::intersects

(

const Rect &

rhs

)

const

Does rectangle intersect other rectangle?

References isEmpty(), ipe::Vector::x, and ipe::Vector::y.

Referenced by clipTo(), and ipe::SelectTool::mouseButton().

Friends And Related Function Documentation

operator<<()

Stream & operator<< ( Stream &  stream, const Rect &  rhs  )

related

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The documentation for this class was generated from the following files:

• ipegeo.h
• ipegeo.cpp