OGL_Library::Layer Class Reference

The class provide Layer manage. Add some Polygon or Remove it, and provide PointInPolygon method to determine XY point(Screen pixel) is in what Polygon of layer? More...

List of all members.

Public Member Functions
void	Add (Polygon PolygonToAdd)
void	Remove (Polygon PolygonToRemove)
void	Remove (int Index)
int	PointInPolygon (Point xy)
Properties
Polygon	this [int Index]

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Detailed Description

The class provide Layer manage. Add some Polygon or Remove it, and provide PointInPolygon method to determine XY point(Screen pixel) is in what Polygon of layer?

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Member Function Documentation

void OGL_Library::Layer::Add (  Polygon  PolygonToAdd  )

Add Polygon. Parameters: PolygonToAdd  Polygon type.

void OGL_Library::Layer::Remove (  Polygon  PolygonToRemove  )

Remove Polygon. Parameters: PolygonToRemove  Polygon type.

void OGL_Library::Layer::Remove (  int  Index  )

Remove Polygon by index. Parameters: Index  int type.

int OGL_Library::Layer::PointInPolygon (  Point  xy  )

determine XY point(Screen pixel) is in what Polygon of layer. Parameters: XY  Point type. Returns: Polygon index that int type

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Property Documentation

Polygon OGL_Library::Layer::this[int Index] [get, set]

Get some Polygon by index. Parameters: Index  int type. Returns: Polygon type

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