eq::Viewport Class Reference

Holds a fractional viewport along with some methods for manipulation. More...

#include <viewport.h>

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List of all members.

Public Member Functions
void	invalidate ()
void	apply (const Viewport &rhs)
void	transform (const Viewport &rhs)
bool	operator== (const Viewport &rhs) const
bool	operator!= (const Viewport &rhs) const
bool	isValid () const
bool	hasArea () const
float	getArea () const
float	getXEnd () const
float	getYEnd () const
void	intersect (const Viewport &rhs)
	create the intersection viewport
Viewport	getCoverage (const Viewport &with) const
	Compute the coverage of another Viewport on this viewport.
void	applyView (const Viewport &segmentVP, const Viewport &viewVP, const PixelViewport &pvp, const Vector4i &overdraw)
	Apply the view coverage to this viewport.
Constructors
	Viewport ()
	Viewport (const float x_, const float y_, const float w_, const float h_)
Public Attributes
float	x
float	y
float	w
float	h
Static Public Attributes
static const Viewport	FULL

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Detailed Description

Holds a fractional viewport along with some methods for manipulation.

Definition at line 39 of file viewport.h.

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Member Function Documentation

bool eq::Viewport::isValid

(

)

const [inline]

Returns:

true if the viewport has a non-negative, but potentially empty, size.

Definition at line 85 of file viewport.h.

Referenced by intersect().

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bool eq::Viewport::hasArea

(

)

const [inline]

Returns:

true if the viewport has a non-zero area, i.e, it is not empty.

Definition at line 92 of file viewport.h.

Referenced by eq::server::Config::addCanvas(), intersect(), eq::server::Window::setViewport(), and eq::server::Channel::setViewport().

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float eq::Viewport::getArea

(

)

const [inline]

Returns:

the area of this viewport

Definition at line 95 of file viewport.h.

float eq::Viewport::getXEnd

(

)

const [inline]

Returns:

the X end position

Definition at line 98 of file viewport.h.

float eq::Viewport::getYEnd

(

)

const [inline]

Returns:

the Y end position

Definition at line 101 of file viewport.h.

Viewport eq::Viewport::getCoverage

(

const Viewport &

with

)

const [inline]

Compute the coverage of another Viewport on this viewport.

Definition at line 136 of file viewport.h.

References intersect().

Referenced by eq::server::Compound::updateFrustum().

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void eq::Viewport::applyView	(	const Viewport &	segmentVP,
		const Viewport &	viewVP,
		const PixelViewport &	pvp,
		const Vector4i &	overdraw
	)

Apply the view coverage to this viewport.

Definition at line 26 of file viewport.cpp.

References eq::PixelViewport::hasArea(), and intersect().

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

• viewport.h
• viewport.cpp