gnash::geometry::Point2d Class Reference

2D Point class More...

#include <Point2d.h>

List of all members.

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

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Detailed Description

2D Point class

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

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Constructor & Destructor Documentation

gnash::geometry::Point2d::Point2d

(

)

[inline]

Construct a Point2d with default x and y coordinates.

gnash::geometry::Point2d::Point2d	(	boost::int32_t	cx,
		boost::int32_t	cy
	)		[inline]

Construct a Point2d with given x and y ordinates.

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

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Member Function Documentation

boost::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().

bool gnash::geometry::Point2d::operator!=

(

const Point2d &

p

)

const [inline]

References gnash::key::p.

bool gnash::geometry::Point2d::operator==

(

const Point2d &

p

)

const [inline]

References x, and y.

Point2d& gnash::geometry::Point2d::setTo	(	const boost::int32_t	cx,
		const boost::int32_t	cy
	)		[inline]

Set coordinates to given values.

Returns:

a reference to this instance

References x, and y.

Referenced by gnash::Path::withinSquareDistance().

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

static boost::int64_t gnash::geometry::Point2d::squareDistance	(	const Point2d &	p0,
		const Point2d &	p1
	)		[inline, static]

Return square distance between two given points.

References x, and y.

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

boost::int64_t gnash::geometry::Point2d::squareDistance

(

const Point2d &

p

)

const [inline]

Return square distance between this and the given point.

References squareDistance().

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Member Data Documentation

boost::int32_t gnash::geometry::Point2d::x

The x coordinate.

Referenced by gnash::Button::topmostMouseEntity(), gnash::DynamicShape::endFill(), gnash::geometry::pointTest(), gnash::Edge::squareDistancePtSeg(), gnash::Path::withinSquareDistance(), gnash::MorphShape::pointInShape(), gnash::movie_root::setDragState(), gnash::MovieClip::topmostMouseEntity(), gnash::renderer::openvg::preparepath(), gnash::renderer::openvg::Renderer_ovg::world_to_pixel(), gnash::renderer::openvg::Renderer_ovg::draw_poly(), setTo(), squareDistance(), operator==(), gnash::geometry::operator<<(), gnash::Renderer::pixel_to_world(), gnash::Renderer_cairo::add_path(), gnash::renderer::DirectFB::Renderer_DirectFB::world_to_pixel(), gnash::renderer::gles1::Renderer_gles1::world_to_pixel(), gnash::renderer::opengl::middle(), gnash::renderer::opengl::interpolate(), gnash::Shape::pointInShape(), gnash::SWF::ShapeRecord::setLerp(), gnash::SWF::ShapeRecord::read(), gnash::SWFMatrix::transform(), gnash::SWFRect::enclose_transformed_rect(), gnash::SWFRect::expand_to_transformed_rect(), gnash::SWFRect::clamp(), test_geometry(), gnash::TextField::topmostMouseEntity(), and gnash::TextField::pointInShape().

boost::int32_t gnash::geometry::Point2d::y

The y coordinate.

Referenced by gnash::Button::topmostMouseEntity(), gnash::DynamicShape::endFill(), gnash::geometry::pointTest(), gnash::Edge::squareDistancePtSeg(), gnash::Path::withinSquareDistance(), gnash::MorphShape::pointInShape(), gnash::movie_root::setDragState(), gnash::MovieClip::topmostMouseEntity(), gnash::renderer::openvg::preparepath(), gnash::renderer::openvg::Renderer_ovg::world_to_pixel(), gnash::renderer::openvg::Renderer_ovg::draw_poly(), setTo(), squareDistance(), operator==(), gnash::geometry::operator<<(), gnash::Renderer::pixel_to_world(), gnash::Renderer_cairo::add_path(), gnash::renderer::DirectFB::Renderer_DirectFB::world_to_pixel(), gnash::renderer::gles1::Renderer_gles1::world_to_pixel(), gnash::renderer::opengl::middle(), gnash::renderer::opengl::interpolate(), gnash::Shape::pointInShape(), gnash::SWF::ShapeRecord::setLerp(), gnash::SWF::ShapeRecord::read(), gnash::SWFMatrix::transform(), gnash::SWFRect::enclose_transformed_rect(), gnash::SWFRect::expand_to_transformed_rect(), gnash::SWFRect::clamp(), test_geometry(), gnash::TextField::topmostMouseEntity(), and gnash::TextField::pointInShape().

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

• Point2d.h