CVidPoly Class¶

Overview
Quick Reference
Constructors
Methods

Overview¶

Note

The CVidPoly class handles drawing polygons and lines

The structure used for this class is CVidPoly

Quick Reference¶

Quick Ref

void CVidPoly::CVidPoly()

void CVidPoly::~CVidPoly()

void CVidPoly::AdvanceAETEdges()

void CVidPoly::BuildET(_EdgeDescription* pEdgeTableStart)

virtual long __cdecl CVidPoly::CalculateLineVIntersection(CPoint& lineStart, CPoint& lineEnd, const long vertical, CPoint& linePrev) = 0

void CVidPoly::DrawHLine32(void* pSurface, int xMin, int xMax, unsigned long dwColor, CRect& rSurface, CPoint& ptRef)

void CVidPoly::DrawHLineDithered32(void* pSurface, int xMin, int xMax, unsigned long dwColor, CRect& rSurface, CPoint& ptRef)

void CVidPoly::DrawHLineDitheredMirrored32(void* pSurface, int xMin, int xMax, unsigned long dwColor, CRect& rSurface, CPoint& ptRef)

void CVidPoly::DrawHLineMirrored32(void* pSurface, int xMin, int xMax, unsigned long dwColor, CRect& rSurface, CPoint& ptRef)

void CVidPoly::DrawHLineShaded32(void* pSurface, int xMin, int xMax, unsigned long dwColor, CRect& rSurface, CPoint& ptRef)

void CVidPoly::DrawHLineShadedMirrored32(void* pSurface, int xMin, int xMax, unsigned long dwColor, CRect& rSurface, CPoint& ptRef)

int CVidPoly::FillConvexPoly(unsigned short* pSurface, long lSurfacePitch, CRect& rClipRect, unsigned long dwColor, unsigned long dwFlags, CPoint& ptRef)

int CVidPoly::FillPoly(unsigned short* pSurface, long lSurfacePitch, CRect& rClipRect, unsigned long dwColor, unsigned long dwFlags, CPoint& ptRef)

virtual unsigned char __cdecl CVidPoly::IsPtInArc(CPoint& ptEdge, unsigned short nAngle, CPoint& ptCheck) = 0

virtual unsigned char __cdecl CVidPoly::IsPtInPoly(CPoint* pPoly, const short nPoly, CPoint& pt) = 0

virtual void __cdecl CVidPoly::PolygonTest(CPoint* pVertices, unsigned short nVertices, int& bConvex, int& bMonoY) = 0

void CVidPoly::ReSortAET()

void CVidPoly::ScanCurrentHLine(void* pSurface, CRect& rClip, unsigned long dwColor, CPoint& ptRef)

void CVidPoly::SetPoly(unsigned short* pVertices, unsigned short nVertices)

void CVidPoly::SetPoly(CVIDPOLY_VERTEX* pVertices, short nVertices)

void CVidPoly::UpdateAET(int nCurrLine)

Constructors¶

Name	Description
CVidPoly::CVidPoly	Constructs a `CVidPoly` object
CVidPoly::CVidPoly	Destroys a `CVidPoly` object

CVidPoly::CVidPoly¶

Constructs a CVidPoly object

void CVidPoly::CVidPoly();

Remarks

Constructs a CVidPoly object

CVidPoly::~CVidPoly¶

Destroys the CVidPoly object

void CVidPoly::~CVidPoly();

Remarks

Destroys the CVidPoly object

Methods¶

Name	Description
CVidPoly::AdvanceAETEdges
CVidPoly::BuildET
CVidPoly::CalculateLineVIntersection
CVidPoly::DrawHLine32
CVidPoly::DrawHLineDithered32
CVidPoly::DrawHLineDitheredMirrored32
CVidPoly::DrawHLineMirrored32
CVidPoly::DrawHLineShaded32
CVidPoly::DrawHLineShadedMirrored32
CVidPoly::FillConvexPoly
CVidPoly::FillPoly
CVidPoly::IsPtInArc
CVidPoly::IsPtInPoly
CVidPoly::PolygonTest
CVidPoly::ReSortAET
CVidPoly::ScanCurrentHLine
CVidPoly::SetPoly
CVidPoly::UpdateAET

CVidPoly::AdvanceAETEdges¶

void CVidPoly::AdvanceAETEdges();

Remarks

CVidPoly::BuildET¶

void CVidPoly::BuildET(_EdgeDescription* pEdgeTableStart);

Parameters

_EdgeDescription* pEdgeTableStart -

Remarks

CVidPoly::CalculateLineVIntersection¶

virtual long __cdecl CVidPoly::CalculateLineVIntersection(
   CPoint& lineStart,
   CPoint& lineEnd,
   const long vertical,
   CPoint& linePrev);

Parameters

CPoint& lineStart -
CPoint& lineEnd -
const long vertical -
CPoint& linePrev -

Return Value

Returns long

Remarks

CVidPoly::DrawHLine32¶

void CVidPoly::DrawHLine32(
   void* pSurface,
   int xMin,
   int xMax,
   unsigned long dwColor,
   CRect& rSurface,
   CPoint& ptRef);

Parameters

void* pSurface -
int xMin -
int xMax -
unsigned long dwColor -
CRect& rSurface -
CPoint& ptRef -

Remarks

CVidPoly::DrawHLineDithered32¶

void CVidPoly::DrawHLineDithered32(
   void* pSurface,
   int xMin,
   int xMax,
   unsigned long dwColor,
   CRect& rSurface,
   CPoint& ptRef);

Parameters

void* pSurface -
int xMin -
int xMax -
unsigned long dwColor -
CRect& rSurface -
CPoint& ptRef -

Remarks

CVidPoly::DrawHLineDitheredMirrored32¶

void CVidPoly::DrawHLineDitheredMirrored32(
   void* pSurface,
   int xMin,
   int xMax,
   unsigned long dwColor,
   CRect& rSurface,
   CPoint& ptRef);

Parameters

void* pSurface -
int xMin -
int xMax -
unsigned long dwColor -
CRect& rSurface -
CPoint& ptRef -

Remarks

CVidPoly::DrawHLineMirrored32¶

void CVidPoly::DrawHLineMirrored32(
   void* pSurface,
   int xMin,
   int xMax,
   unsigned long dwColor,
   CRect& rSurface,
   CPoint& ptRef);

Parameters

void* pSurface -
int xMin -
int xMax -
unsigned long dwColor -
CRect& rSurface -
CPoint& ptRef -

Remarks

CVidPoly::DrawHLineShaded32¶

void CVidPoly::DrawHLineShaded32(
   void* pSurface,
   int xMin,
   int xMax,
   unsigned long dwColor,
   CRect& rSurface,
   CPoint& ptRef);

Parameters

void* pSurface -
int xMin -
int xMax -
unsigned long dwColor -
CRect& rSurface -
CPoint& ptRef -

Remarks

CVidPoly::DrawHLineShadedMirrored32¶

void CVidPoly::DrawHLineShadedMirrored32(
   void* pSurface,
   int xMin,
   int xMax,
   unsigned long dwColor,
   CRect& rSurface,
   CPoint& ptRef);

Parameters

void* pSurface -
int xMin -
int xMax -
unsigned long dwColor -
CRect& rSurface -
CPoint& ptRef -

Remarks

CVidPoly::FillConvexPoly¶

int CVidPoly::FillConvexPoly(
   unsigned short* pSurface,
   long lSurfacePitch,
   CRect& rClipRect,
   unsigned long dwColor,
   unsigned long dwFlags,
   CPoint& ptRef);

Parameters

unsigned short* pSurface -
long lSurfacePitch -
CRect& rClipRect -
unsigned long dwColor -
unsigned long dwFlags -
CPoint& ptRef -

Return Value

Returns int

Remarks

CVidPoly::FillPoly¶

int CVidPoly::FillPoly(
   unsigned short* pSurface,
   long lSurfacePitch,
   CRect& rClipRect,
   unsigned long dwColor,
   unsigned long dwFlags,
   CPoint& ptRef);

Parameters

unsigned short* pSurface -
long lSurfacePitch -
CRect& rClipRect -
unsigned long dwColor -
unsigned long dwFlags -
CPoint& ptRef -

Return Value

Returns int

Remarks

CVidPoly::IsPtInArc¶

virtual unsigned char __cdecl CVidPoly::IsPtInArc(
   CPoint& ptEdge,
   unsigned short nAngle,
   CPoint& ptCheck);

Parameters

CPoint& ptEdge -
unsigned short nAngle -
CPoint& ptCheck -

Return Value

Returns unsigned char

Remarks

CVidPoly::IsPtInPoly¶

virtual unsigned char __cdecl CVidPoly::IsPtInPoly(
   CPoint* pPoly,
   const short nPoly,
   CPoint& pt);

Parameters

CPoint* pPoly -
const short nPoly -
CPoint& pt -

Return Value

Returns unsigned char

Remarks

CVidPoly::PolygonTest¶

virtual void __cdecl CVidPoly::PolygonTest(
   CPoint* pVertices,
   unsigned short nVertices,
   int& bConvex,
   int& bMonoY);

Parameters

CPoint* pVertices -
unsigned short nVertices -
int& bConvex -
int& bMonoY -

Remarks

CVidPoly::ReSortAET¶

void CVidPoly::ReSortAET();

Remarks

CVidPoly::ScanCurrentHLine¶

void CVidPoly::ScanCurrentHLine(
   void* pSurface,
   CRect& rClip,
   unsigned long dwColor,
   CPoint& ptRef);

Parameters

void* pSurface -
CRect& rClip -
unsigned long dwColor -
CPoint& ptRef -

Remarks

CVidPoly::SetPoly¶

void CVidPoly::SetPoly(
   unsigned short* pVertices,
   unsigned short nVertices);

Parameters

unsigned short* pVertices -
unsigned short nVertices -

Remarks

CVidPoly::SetPoly¶

void CVidPoly::SetPoly(
   CVIDPOLY_VERTEX* pVertices,
   short nVertices);

Parameters

CVIDPOLY_VERTEX* pVertices -
short nVertices -

Remarks

CVidPoly::UpdateAET¶

void CVidPoly::UpdateAET(int nCurrLine);

Parameters

int nCurrLine -

Remarks