gnash::geometry::Point2d Class Reference

2D Point class More...

#include <Point2d.h>

Public Member Functions
constexpr	Point2d ()
	Construct a Point2d with default x and y coordinates. More...
constexpr	Point2d (std::int32_t cx, std::int32_t cy)
	Construct a Point2d with given x and y ordinates. More...
	Point2d (const Point2d &p0, const Point2d &p1, float t)
	Construct a Point2d as an interpolation of the given input points. More...
Point2d &	setTo (const std::int32_t cx, const std::int32_t cy)
	Set coordinates to given values. More...
Point2d &	setTo (const Point2d &p0, const Point2d &p1, float t)
	Set coordinates to the ones of the interpolation between the given input points. More...
std::int64_t	squareDistance (const Point2d &p) const
	Return square distance between this and the given point. More...
std::int32_t	distance (const Point2d &p) const
	Return distance between this and the given point. More...
bool	operator== (const Point2d &p) const
bool	operator!= (const Point2d &p) const

Static Public Member Functions
static std::int64_t	squareDistance (const Point2d &p0, const Point2d &p1)
	Return square distance between two given points. More...

Public Attributes
std::int32_t	x
	The x coordinate. More...
std::int32_t	y
	The y coordinate. More...

Detailed Description

2D Point class

A point which contains a x and a y coorinate in TWIPS.

Constructor & Destructor Documentation

Point2d() [1/3]

constexpr gnash::geometry::Point2d::Point2d ( )

inline

Construct a Point2d with default x and y coordinates.

Point2d() [2/3]

constexpr gnash::geometry::Point2d::Point2d ( std::int32_t  cx, std::int32_t  cy  )

inline

Construct a Point2d with given x and y ordinates.

Point2d() [3/3]

gnash::geometry::Point2d::Point2d ( const Point2d &  p0, const Point2d &  p1, float  t  )

inline

Construct a Point2d as an interpolation of the given input points.

Parameters

p0	first point
p1	second point
t	interpolation factor, between 0 and 1

Member Function Documentation

distance()

std::int32_t gnash::geometry::Point2d::distance ( const Point2d &  p ) const

inline

Return distance between this and the given point.

References squareDistance().

Referenced by gnash::renderer::opengl::trace_curve().

operator!=()

bool gnash::geometry::Point2d::operator!= ( const Point2d &  p ) const

inline

References gnash::key::p.

operator==()

bool gnash::geometry::Point2d::operator== ( const Point2d &  p ) const

inline

References x, and y.

setTo() [1/2]

Point2d& gnash::geometry::Point2d::setTo ( const std::int32_t  cx, const std::int32_t  cy  )

inline

Set coordinates to given values.

Returns

a reference to this instance

setTo() [2/2]

Point2d& gnash::geometry::Point2d::setTo ( const Point2d &  p0, const Point2d &  p1, float  t  )

inline

Set coordinates to the ones of the interpolation between the given input points.

Parameters

p0	first point
p1	second point
t	interpolation factor, between 0 and 1

Returns

a reference to this instance

References gnash::key::t, x, and y.

squareDistance() [1/2]

static std::int64_t gnash::geometry::Point2d::squareDistance ( const Point2d &  p0, const Point2d &  p1  )

inlinestatic

Return square distance between two given points.

References x, and y.

Referenced by distance(), squareDistance(), gnash::Edge::squareDistancePtCurve(), and gnash::Edge::squareDistancePtSeg().

squareDistance() [2/2]

std::int64_t gnash::geometry::Point2d::squareDistance ( const Point2d &  p ) const

inline

Return square distance between this and the given point.

References squareDistance().

Member Data Documentation

x

std::int32_t gnash::geometry::Point2d::x

The x coordinate.

Referenced by gnash::Renderer_cairo::add_path(), gnash::SWFRect::clamp(), gnash::renderer::openvg::Renderer_ovg::disable_mask(), gnash::renderer::openvg::Renderer_ovg::draw_poly(), gnash::SWFRect::enclose_transformed_rect(), gnash::DynamicShape::endFill(), gnash::SWFRect::expand_to_transformed_rect(), gnash::Path::expandBounds(), gnash::renderer::opengl::middle(), gnash::geometry::operator<<(), operator==(), gnash::Renderer::pixel_to_world(), gnash::Shape::pointInShape(), gnash::MorphShape::pointInShape(), gnash::TextField::pointInShape(), gnash::MovieClip::pointInVisibleShape(), gnash::geometry::pointTest(), gnash::renderer::openvg::preparepath(), gnash::registerMovieClipNative(), gnash::Path::reset(), gnash::movie_root::setDragState(), setTo(), squareDistance(), gnash::Edge::squareDistancePtSeg(), test_geometry(), gnash::Button::topmostMouseEntity(), gnash::TextField::topmostMouseEntity(), gnash::MovieClip::topmostMouseEntity(), gnash::SWFMatrix::transform(), gnash::renderer::DirectFB::Renderer_DirectFB::world_to_pixel(), gnash::renderer::openvg::Renderer_ovg::world_to_pixel(), gnash::renderer::gles1::Renderer_gles1::world_to_pixel(), and gnash::DisplayObject::MaskRenderer::~MaskRenderer().

y

std::int32_t gnash::geometry::Point2d::y

The y coordinate.

Referenced by gnash::Renderer_cairo::add_path(), gnash::SWFRect::clamp(), gnash::renderer::openvg::Renderer_ovg::disable_mask(), gnash::renderer::openvg::Renderer_ovg::draw_poly(), gnash::SWFRect::enclose_transformed_rect(), gnash::DynamicShape::endFill(), gnash::SWFRect::expand_to_transformed_rect(), gnash::Path::expandBounds(), gnash::renderer::opengl::middle(), gnash::geometry::operator<<(), operator==(), gnash::Renderer::pixel_to_world(), gnash::Shape::pointInShape(), gnash::MorphShape::pointInShape(), gnash::TextField::pointInShape(), gnash::MovieClip::pointInVisibleShape(), gnash::geometry::pointTest(), gnash::renderer::openvg::preparepath(), gnash::registerMovieClipNative(), gnash::Path::reset(), gnash::movie_root::setDragState(), setTo(), squareDistance(), gnash::Edge::squareDistancePtSeg(), test_geometry(), gnash::Button::topmostMouseEntity(), gnash::TextField::topmostMouseEntity(), gnash::MovieClip::topmostMouseEntity(), gnash::SWFMatrix::transform(), gnash::renderer::DirectFB::Renderer_DirectFB::world_to_pixel(), gnash::renderer::openvg::Renderer_ovg::world_to_pixel(), gnash::renderer::gles1::Renderer_gles1::world_to_pixel(), and gnash::DisplayObject::MaskRenderer::~MaskRenderer().

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

• Point2d.h