BOOL NTAPI XFORMOBJ_bXformFixPoints	(	IN XFORMOBJ *	pxo,
		IN ULONG	cPoints,
		IN PPOINTL	pptIn,
		OUT PPOINTL	pptOut
	)
Definition at line 299 of file xformobj.c.
Referenced by XFORMOBJ_bApplyXform().
{
    PMATRIX pmx;
    INT i;
    FLOATOBJ fo1, fo2;
    FLONG flAccel;

    pmx = XFORMOBJ_pmx(pxo);
    flAccel = pmx->flAccel;

    if ((flAccel & (XFORM_SCALE|XFORM_UNITY)) == (XFORM_SCALE|XFORM_UNITY))
    {
        /* Identity transformation, nothing todo */
    }
    else if (flAccel & XFORM_INTEGER)
    {
        if (flAccel & XFORM_UNITY)
        {
            /* 1-scale integer transform */
            i = cPoints - 1;
            do
            {
                LONG x = pptIn[i].x + pptIn[i].y * FLOATOBJ_GetLong(&pmx->efM21);
                LONG y = pptIn[i].y + pptIn[i].x * FLOATOBJ_GetLong(&pmx->efM12);
                pptOut[i].y = y;
                pptOut[i].x = x;
            }
            while (--i >= 0);
        }
        else if (flAccel & XFORM_SCALE)
        {
            /* Diagonal integer transform */
            i = cPoints - 1;
            do
            {
                pptOut[i].x = pptIn[i].x * FLOATOBJ_GetLong(&pmx->efM11);
                pptOut[i].y = pptIn[i].y * FLOATOBJ_GetLong(&pmx->efM22);
            }
            while (--i >= 0);
        }
        else
        {
            /* Full integer transform */
            i = cPoints - 1;
            do
            {
                LONG x;
                x  = pptIn[i].x * FLOATOBJ_GetLong(&pmx->efM11);
                x += pptIn[i].y * FLOATOBJ_GetLong(&pmx->efM21);
                pptOut[i].y  = pptIn[i].y * FLOATOBJ_GetLong(&pmx->efM22);
                pptOut[i].y += pptIn[i].x * FLOATOBJ_GetLong(&pmx->efM12);
                pptOut[i].x = x;
            }
            while (--i >= 0);
        }
    }
    else if (flAccel & XFORM_UNITY)
    {
        /* 1-scale transform */
        i = cPoints - 1;
        do
        {
            fo1 = pmx->efM21;
            FLOATOBJ_MulLong(&fo1, pptIn[i].y);
            fo2 = pmx->efM12;
            FLOATOBJ_MulLong(&fo2, pptIn[i].x);
            pptOut[i].x = pptIn[i].x + FLOATOBJ_GetLong(&fo1);
            pptOut[i].y = pptIn[i].y + FLOATOBJ_GetLong(&fo2);
        }
        while (--i >= 0);
    }
    else if (flAccel & XFORM_SCALE)
    {
        /* Diagonal float transform */
        i = cPoints - 1;
        do
        {
            fo1 = pmx->efM11;
            FLOATOBJ_MulLong(&fo1, pptIn[i].x);
            pptOut[i].x = FLOATOBJ_GetLong(&fo1);
            fo2 = pmx->efM22;
            FLOATOBJ_MulLong(&fo2, pptIn[i].y);
            pptOut[i].y = FLOATOBJ_GetLong(&fo2);
        }
        while (--i >= 0);
    }
    else
    {
        /* Full float transform */
        i = cPoints - 1;
        do
        {
            MulAddLong(&fo1, &pmx->efM11, pptIn[i].x, &pmx->efM21, pptIn[i].y);
            MulAddLong(&fo2, &pmx->efM12, pptIn[i].x, &pmx->efM22, pptIn[i].y);
            pptOut[i].x = FLOATOBJ_GetLong(&fo1);
            pptOut[i].y = FLOATOBJ_GetLong(&fo2);
        }
        while (--i >= 0);
    }

    if (!(pmx->flAccel & XFORM_NO_TRANSLATION))
    {
        /* Translate points */
        i = cPoints - 1;
        do
        {
            pptOut[i].x += pmx->fxDx;
            pptOut[i].y += pmx->fxDy;
        }
        while (--i >= 0);
    }

    return TRUE;
}
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