paint.h File Reference

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Functions
BOOL APIENTRY	FillSolid (SURFOBJ *Surface, RECTL *Dimensions, ULONG iColor)
BOOL APIENTRY	FillPolygon (DC *dc, SURFACE *pSurface, BRUSHOBJ *BrushObj, MIX RopMode, CONST PPOINT Points, INT Count, RECTL BoundRect)
BOOL FASTCALL	IntFillPolygon (PDC dc, SURFACE *psurf, BRUSHOBJ *BrushObj, CONST PPOINT Points, int Count, RECTL DestRect, POINTL *BrushOrigin)
BOOL FASTCALL	IntPolygon (HDC, POINT *, int)

Function Documentation

FillPolygon()

BOOL APIENTRY FillPolygon	(	DC *	dc,
		SURFACE *	pSurface,
		BRUSHOBJ *	BrushObj,
		MIX	RopMode,
		CONST PPOINT	Points,
		INT	Count,
		RECTL	BoundRect
	)

FillSolid()

BOOL APIENTRY FillSolid	(	SURFOBJ *	Surface,
		RECTL *	Dimensions,
		ULONG	iColor
	)

IntFillPolygon()

BOOL FASTCALL IntFillPolygon	(	PDC	dc,
		SURFACE *	psurf,
		BRUSHOBJ *	BrushObj,
		CONST PPOINT	Points,
		int	Count,
		RECTL	DestRect,
		POINTL *	BrushOrigin
	)

Definition at line 590 of file polyfill.c.

{
    FILL_EDGE_LIST *list = 0;
    FILL_EDGE *ActiveHead = 0;
    FILL_EDGE *pLeft, *pRight;
    int ScanLine;
 
    //DPRINT("IntFillPolygon\n");
 
    /* Create Edge List. */
    list = POLYGONFILL_MakeEdgeList(Points, Count);
    /* DEBUG_PRINT_EDGELIST(list); */
    if (NULL == list)
        return FALSE;
 
    /* For each Scanline from DestRect.top to DestRect.bottom, determine line segments to draw */
    for (ScanLine = DestRect.top; ScanLine < DestRect.bottom; ++ScanLine)
    {
        POLYGONFILL_BuildActiveList(ScanLine, list, &ActiveHead);
        //DEBUG_PRINT_ACTIVE_EDGELIST(ActiveHead);
 
        if (!ActiveHead)
        {
            POLYGONFILL_DestroyEdgeList(list);
            return FALSE;
        }
 
        pLeft = ActiveHead;
        pRight = pLeft->pNext;
        ASSERT(pRight);
 
        while (NULL != pRight)
        {
            int x1 = pLeft->XIntercept[0];
            int x2 = pRight->XIntercept[1];
 
            if (x2 > x1)
            {
                RECTL LineRect;
                LineRect.top = ScanLine;
                LineRect.bottom = ScanLine + 1;
                LineRect.left = x1;
                LineRect.right = x2;
 
                IntEngBitBlt(&psurf->SurfObj,
                             NULL,
                             NULL,
                             (CLIPOBJ *)&dc->co,
                             NULL,
                             &LineRect,
                             NULL,
                             NULL,
                             BrushObj,
                             BrushOrigin,
                             ROP4_FROM_INDEX(R3_OPINDEX_PATCOPY));
            }
 
            pLeft = pRight->pNext;
            pRight = pLeft ? pLeft->pNext : NULL;
        }
    }
 
    /* Free Edge List. If any are left. */
    POLYGONFILL_DestroyEdgeList(list);
 
    return TRUE;
}

Referenced by IntEngFillPolygon(), and IntGdiPolygon().

IntPolygon()

BOOL FASTCALL IntPolygon	(	HDC	hdc,
		POINT *	Point,
		int	Count
	)

Definition at line 199 of file fillshap.c.

{
    BOOL bResult;
    PDC pdc;
 
    pdc = DC_LockDc(hdc);
    if (pdc == NULL)
    {
        EngSetLastError(ERROR_INVALID_HANDLE);
        return FALSE;
    }
 
    bResult = IntGdiPolygon(pdc, Point, Count);
 
    DC_UnlockDc(pdc);
    return bResult;
}

Referenced by IntDrawDiagEdge().