Mercator::TopClip Class Reference

Helper to clip points to a given range. More...

List of all members.

Public Member Functions
	TopClip (double t)
bool	inside (const Point2 &p) const
	Check a point is outside this clip.
Point2	clip (const Point2 &u, const Point2 &v) const
	Determine the point where a line crosses this clip.
Private Attributes
double	topY
	Top of y range.

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Detailed Description

Helper to clip points to a given range.

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Constructor & Destructor Documentation

Mercator::TopClip::TopClip

(

double

t

)

[inline]

Constructor

Parameters:

t

top of y range

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Member Function Documentation

bool Mercator::TopClip::inside

(

const Point2 &

p

)

const [inline]

Check a point is outside this clip.

Parameters:

p

point to be checked.

Returns:

true if p is outside the clip.

References topY.

Point2 Mercator::TopClip::clip	(	const Point2 &	u,
		const Point2 &	v
	)			const [inline]

Determine the point where a line crosses this clip.

Parameters:

	u	one of of a line that crosses this clip
	v	one of of a line that crosses this clip

Returns:

a point where the line cross this clip.

References topY.

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

• Area.cpp