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XFcPrimitiveDrawEdgeSet Class Reference

Defines a set of XFcPrimitiveDrawEdges. More...

Collaboration diagram for XFcPrimitiveDrawEdgeSet:


Public Member Functions
XFCIMPORT	~XFcPrimitiveDrawEdgeSet ()
	Destructor.
XFCIMPORT INT32	getLineEdgeCount ()
	Returns the count of line edges.
XFCIMPORT INT32	getIndexedEdgeCount ()
	Returns the count of indexed edges.
XFCIMPORT void	addLineEdge (INT32 aYStart, INT32 aYEnd, REAL aXp, INT32 aXpi, REAL aGradient, INT32 aEdgeType)
	Adds a line edge to the edge set.
XFCIMPORT void	addIndexedEdge (INT32 aYStart, INT32 aYEnd, REAL *aIndexTable, REAL aXMultiplier, REAL aXOffset, INT32 aEdgeType, INT32 aStartIndex)
	Adds an indexed edge to the edge set.
XFCIMPORT XFcPrimitiveDrawLineEdge *	getLineEdge (INT32 aLineEdge)
	Returns a pointer to the line edge at aLineEdge position.
XFCIMPORT XFcPrimitiveDrawIndexedEdge *	getIndexedEdge (INT32 aIndexedEdge)
	Returns a pointer to the indexed edge at aIndexedEdge position.
XFCIMPORT void	clear ()
	Clears the edge set.
XFCIMPORT void	calculateLineInfo (INT32 aYClipMin, INT32 aYClipMax, XFcPrimitiveDrawPointSet aPoints, XFcPrimitiveDrawLineSet aLines)
	Converts lines described by aPoints and aLines to line edges in the set.
XFCIMPORT void	calculateIndexedEdgeInfo (INT32 aYClipMin, INT32 aYClipMax, XFcPrimitiveDrawIndexedPrimitiveSet *aPrimitives)
	Converts indexed primitives described by aPrimitives to primitive edges in the set.
XFCIMPORT INT32	getMinY ()
	Returns the minimum Y value of entries in the set.
XFCIMPORT INT32	getMaxY ()
	Returns the maximum Y value of entries in the set.
Static Public Member Functions
XFCIMPORT XFcPrimitiveDrawEdgeSet *	create (INT32 aMaxLineEdgeCount, INT32 aMaxIndexedEdgeCount)
	Creates a set of XFcPrimitiveDrawEdges.
Protected Member Functions
XFCIMPORT	XFcPrimitiveDrawEdgeSet ()
	Protected constructor.
Protected Attributes
XFcPrimitiveDrawLineEdge *	mLineEdges
	Pointer to line edges.
INT32	mLineEdgeCount
	Count of line edges.
INT32	mMaxLineEdges
	Maximum amount of line edges.
XFcPrimitiveDrawIndexedEdge *	mIndexedEdges
	Pointer to indexed edges.
INT32	mIndexedEdgeCount
	Count of indexed edges.
INT32	mMaxIndexedEdges
	Maximum amount of indexed edges.
INT32	mMinY
	Minimum Y value of the entries in the set.
INT32	mMaxY
	Maximum Y value of the entries in the set.

Detailed Description

Defines a set of XFcPrimitiveDrawEdges.

Constructor & Destructor Documentation

XFCIMPORT XFcPrimitiveDrawEdgeSet::~XFcPrimitiveDrawEdgeSet ( )

Destructor.

XFCIMPORT XFcPrimitiveDrawEdgeSet::XFcPrimitiveDrawEdgeSet ( ) [protected]

Protected constructor.

Member Function Documentation

XFCIMPORT void XFcPrimitiveDrawEdgeSet::addIndexedEdge ( INT32 aYStart,

INT32 aYEnd,

REAL * aIndexTable,

REAL aXMultiplier,

REAL aXOffset,

INT32 aEdgeType,

INT32 aStartIndex

)

Adds an indexed edge to the edge set.
/param aYStart Vertical start position of the indexed edge. /param aYEnd Vertical end position of the indexed edge. /param aIndexTable Pointer to the index table. /param aXMultiplier Mutliplier for the indicies in horizontal direction. /param aXOffset Horizontal offset for the indicies. /param aEdgeType Type of the edge (XFC_PRIMITIVE_DRAW_LEFT or XFC_PRIMITIVE_DRAW_RIGHT). /param aStartIndex Starting index in the index table for the edge.

XFCIMPORT void XFcPrimitiveDrawEdgeSet::addLineEdge ( INT32 aYStart,

INT32 aYEnd,

REAL aXp,

INT32 aXpi,

REAL aGradient,

INT32 aEdgeType

)

Adds a line edge to the edge set.
/param aYStart Vertical start position of the line edge. /param aYEnd Vertical end position of the line edge. /param aXp Horizontal start position of the line edge. /param aXpi Horizontal start position of the line edge as integer. /param aGradient Gradient of the line. /param aEdgeType Type of the edge (XFC_PRIMITIVE_DRAW_LEFT or XFC_PRIMITIVE_DRAW_RIGHT).

XFCIMPORT void XFcPrimitiveDrawEdgeSet::calculateIndexedEdgeInfo ( INT32 aYClipMin,

INT32 aYClipMax,

XFcPrimitiveDrawIndexedPrimitiveSet * aPrimitives

)

Converts indexed primitives described by aPrimitives to primitive edges in the set.

XFCIMPORT void XFcPrimitiveDrawEdgeSet::calculateLineInfo ( INT32 aYClipMin,

INT32 aYClipMax,

XFcPrimitiveDrawPointSet * aPoints,

XFcPrimitiveDrawLineSet * aLines

)

Converts lines described by aPoints and aLines to line edges in the set.

XFCIMPORT void XFcPrimitiveDrawEdgeSet::clear ( )

Clears the edge set.

XFCIMPORT XFcPrimitiveDrawEdgeSet* XFcPrimitiveDrawEdgeSet::create ( INT32 aMaxLineEdgeCount,

INT32 aMaxIndexedEdgeCount

) [static]

Creates a set of XFcPrimitiveDrawEdges.
/param aMaxLineEdgeCount Maximum count of line edges in the set. /param aMaxIndexedEdgeCount Maximum count of indexed edges in the set.

XFCIMPORT XFcPrimitiveDrawIndexedEdge* XFcPrimitiveDrawEdgeSet::getIndexedEdge ( INT32 aIndexedEdge )

Returns a pointer to the indexed edge at aIndexedEdge position.

XFCIMPORT INT32 XFcPrimitiveDrawEdgeSet::getIndexedEdgeCount ( )

Returns the count of indexed edges.

XFCIMPORT XFcPrimitiveDrawLineEdge* XFcPrimitiveDrawEdgeSet::getLineEdge ( INT32 aLineEdge )

Returns a pointer to the line edge at aLineEdge position.

XFCIMPORT INT32 XFcPrimitiveDrawEdgeSet::getLineEdgeCount ( )

Returns the count of line edges.

XFCIMPORT INT32 XFcPrimitiveDrawEdgeSet::getMaxY ( )

Returns the maximum Y value of entries in the set.

XFCIMPORT INT32 XFcPrimitiveDrawEdgeSet::getMinY ( )

Returns the minimum Y value of entries in the set.

Member Data Documentation

INT32 XFcPrimitiveDrawEdgeSet::mIndexedEdgeCount [protected]

Count of indexed edges.

XFcPrimitiveDrawIndexedEdge* XFcPrimitiveDrawEdgeSet::mIndexedEdges [protected]

Pointer to indexed edges.

INT32 XFcPrimitiveDrawEdgeSet::mLineEdgeCount [protected]

Count of line edges.

XFcPrimitiveDrawLineEdge* XFcPrimitiveDrawEdgeSet::mLineEdges [protected]

Pointer to line edges.

INT32 XFcPrimitiveDrawEdgeSet::mMaxIndexedEdges [protected]

Maximum amount of indexed edges.

INT32 XFcPrimitiveDrawEdgeSet::mMaxLineEdges [protected]

Maximum amount of line edges.

INT32 XFcPrimitiveDrawEdgeSet::mMaxY [protected]

Maximum Y value of the entries in the set.

INT32 XFcPrimitiveDrawEdgeSet::mMinY [protected]

Minimum Y value of the entries in the set.


		X-Forge Documentation Confidential Copyright © 2002-2003 Fathammer		Documentation generated with doxygen by Dimitri van Heesch

XFcPrimitiveDrawEdgeSet Class Reference

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation