eq::fabric::PixelViewport Class Reference

Holds a 2D pixel viewport with methods for manipulation. More...

#include <pixelViewport.h>

Collaboration diagram for eq::fabric::PixelViewport:

Public Member Functions
Constructors
	PixelViewport ()
	Construct a new, invalid pixel viewport. More...
	PixelViewport (const int32_t x_, const int32_t y_, const int32_t w_, const int32_t h_)
	Construct a new pixel viewport with default values. More...
	PixelViewport (const int32_t pvp[4])
	Construct a new pixel viewport with default values. More...
Data Access
void	invalidate ()
	Invalidate the pixel viewport. More...
bool	isValid () const
bool	hasArea () const
uint32_t	getArea () const
bool	isInside (const int32_t pX, const int32_t pY) const
Operations
void	apply (const Viewport &rhs)
	Apply a fractional viewport to this pixel viewport.
void	apply (const Pixel &pixel)
	Apply a pixel decomposition to this pixel viewport.
void	apply (const Zoom &zoom)
	Apply a zoom to this pixel viewport.
const Zoom	getZoom (const PixelViewport &rhs) const
int32_t	getXEnd () const
int32_t	getYEnd () const
void	convertToPlugin (uint64_t dims[4]) const
	Convert into a lunchbox::Plugin usable format. More...
void	convertFromPlugin (const uint64_t dims[4])
	Convert from a lunchbox::Plugin format. More...
const PixelViewport	operator+ (const Vector2i &offset) const
Viewport	operator/ (const PixelViewport &rhs) const
const PixelViewport &	operator-= (const Vector2i &offset)
void	unapply (const Pixel &pixel)
	Perform the inverse operation of applying a pixel decomposition to this pixel viewport. More...
bool	operator== (const PixelViewport &rhs) const
bool	operator!= (const PixelViewport &rhs) const
void	merge (const PixelViewport &rhs)
	Create a pixel viewport that includes both viewports (union). More...
void	intersect (const PixelViewport &rhs)
	Create the intersection of the two pixel viewports. More...

Public Attributes
int32_t	x
int32_t	y
int32_t	w
int32_t	h

Detailed Description

Holds a 2D pixel viewport with methods for manipulation.

Definition at line 34 of file pixelViewport.h.

Constructor & Destructor Documentation

eq::fabric::PixelViewport::PixelViewport ( )

inline

Construct a new, invalid pixel viewport.

Version

1.0

Definition at line 40 of file pixelViewport.h.

Referenced by operator+().

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eq::fabric::PixelViewport::PixelViewport ( const int32_t  x_, const int32_t  y_, const int32_t  w_, const int32_t  h_  )

inline

Construct a new pixel viewport with default values.

Version

1.0

Definition at line 43 of file pixelViewport.h.

eq::fabric::PixelViewport::PixelViewport ( const int32_t  pvp[4] )

inlineexplicit

Construct a new pixel viewport with default values.

Version

1.1.6

Definition at line 48 of file pixelViewport.h.

Member Function Documentation

void eq::fabric::PixelViewport::convertFromPlugin ( const uint64_t  dims[4] )

inline

Convert from a lunchbox::Plugin format.

Version

1.5.2

Definition at line 174 of file pixelViewport.h.

void eq::fabric::PixelViewport::convertToPlugin ( uint64_t  dims[4] ) const

inline

Convert into a lunchbox::Plugin usable format.

Version

1.5.2

Definition at line 165 of file pixelViewport.h.

uint32_t eq::fabric::PixelViewport::getArea ( ) const

inline

Returns

the area in pixels.

Version

1.0

Definition at line 72 of file pixelViewport.h.

int32_t eq::fabric::PixelViewport::getXEnd ( ) const

inline

Returns

the X end position.

Version

1.0

Definition at line 159 of file pixelViewport.h.

int32_t eq::fabric::PixelViewport::getYEnd ( ) const

inline

Returns

the Y end position.

Version

1.0

Definition at line 162 of file pixelViewport.h.

const Zoom eq::fabric::PixelViewport::getZoom ( const PixelViewport &  rhs ) const

inline

Returns

the zoom which would result in the given rhs pixel viewport when applied to this pixel viewport.

Definition at line 145 of file pixelViewport.h.

References hasArea(), and eq::fabric::Zoom::NONE.

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bool eq::fabric::PixelViewport::hasArea ( ) const

inline

Returns

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

Version

1.0

Definition at line 69 of file pixelViewport.h.

Referenced by getZoom(), intersect(), and merge().

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void eq::fabric::PixelViewport::intersect ( const PixelViewport &  rhs )

inline

Create the intersection of the two pixel viewports.

Version

1.0

Definition at line 275 of file pixelViewport.h.

References hasArea(), invalidate(), and isValid().

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void eq::fabric::PixelViewport::invalidate ( )

inline

Invalidate the pixel viewport.

Version

1.0

Definition at line 55 of file pixelViewport.h.

Referenced by intersect().

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bool eq::fabric::PixelViewport::isInside ( const int32_t  pX, const int32_t  pY  ) const

inline

Returns

true if the given point is inside the pixel viewport.

Version

1.0

Definition at line 78 of file pixelViewport.h.

bool eq::fabric::PixelViewport::isValid ( ) const

inline

Returns

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

Version

1.0

Definition at line 62 of file pixelViewport.h.

Referenced by intersect(), and merge().

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void eq::fabric::PixelViewport::merge ( const PixelViewport &  rhs )

inline

Create a pixel viewport that includes both viewports (union).

Version

1.0

Definition at line 250 of file pixelViewport.h.

References hasArea(), and isValid().

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bool eq::fabric::PixelViewport::operator!= ( const PixelViewport &  rhs ) const

inline

Returns

true if the two pixel viewports are not identical.

Version

1.0

Definition at line 241 of file pixelViewport.h.

const PixelViewport eq::fabric::PixelViewport::operator+ ( const Vector2i &  offset ) const

inline

Returns

the addition of this pvp with an offset.

Version

1.0

Definition at line 183 of file pixelViewport.h.

References PixelViewport().

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const PixelViewport& eq::fabric::PixelViewport::operator-= ( const Vector2i &  offset )

inline

Returns

this pvp minus an offset.

Version

1.3.0

Definition at line 208 of file pixelViewport.h.

bool eq::fabric::PixelViewport::operator== ( const PixelViewport &  rhs ) const

inline

Returns

true if the two pixel viewports are identical.

Version

1.0

Definition at line 232 of file pixelViewport.h.

void eq::fabric::PixelViewport::unapply ( const Pixel &  pixel )

inline

Perform the inverse operation of applying a pixel decomposition to this pixel viewport.

Version

1.0

Definition at line 220 of file pixelViewport.h.

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

• pixelViewport.h