rect.h File Reference

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Functions
FORCEINLINE VOID	RECTL_vSetRect (_Out_ RECTL *prcl, _In_ LONG left, _In_ LONG top, _In_ LONG right, _In_ LONG bottom)
FORCEINLINE VOID	RECTL_vSetEmptyRect (_Out_ RECTL *prcl)
FORCEINLINE VOID	RECTL_vOffsetRect (_Inout_ RECTL *prcl, _In_ INT cx, _In_ INT cy)
FORCEINLINE BOOL	RECTL_bIsEmptyRect (_In_ const RECTL *prcl)
FORCEINLINE BOOL	RECTL_bPointInRect (_In_ const RECTL *prcl, _In_ INT x, _In_ INT y)
FORCEINLINE BOOL	RECTL_bIsWellOrdered (_In_ const RECTL *prcl)
FORCEINLINE BOOL	RECTL_bClipRectBySize (_Out_ RECTL *prclDst, _In_ const RECTL *prclSrc, _In_ const SIZEL *pszl)
FORCEINLINE LONG	RECTL_lGetHeight (_In_ const RECTL *prcl)
FORCEINLINE LONG	RECTL_lGetWidth (_In_ const RECTL *prcl)
BOOL FASTCALL	RECTL_bUnionRect (_Out_ RECTL *prclDst, _In_ const RECTL *prcl1, _In_ const RECTL *prcl2)
BOOL FASTCALL	RECTL_bIntersectRect (_Out_ RECTL *prclDst, _In_ const RECTL *prcl1, _In_ const RECTL *prcl2)
VOID FASTCALL	RECTL_vMakeWellOrdered (_Inout_ RECTL *prcl)
VOID FASTCALL	RECTL_vInflateRect (_Inout_ RECTL *rect, _In_ INT dx, _In_ INT dy)

Function Documentation

RECTL_bClipRectBySize()

FORCEINLINE BOOL RECTL_bClipRectBySize	(	_Out_ RECTL *	prclDst,
		_In_ const RECTL *	prclSrc,
		_In_ const SIZEL *	pszl
	)

Definition at line 72 of file rect.h.

{
    prclDst->left = max(prclSrc->left, 0);
    prclDst->top = max(prclSrc->top, 0);
    prclDst->right = min(prclSrc->right, pszl->cx);
    prclDst->bottom = min(prclSrc->bottom, pszl->cy);
    return !RECTL_bIsEmptyRect(prclDst);
}

Referenced by IntEngBitBlt().

RECTL_bIntersectRect()

BOOL FASTCALL RECTL_bIntersectRect	(	_Out_ RECTL *	prclDst,
		_In_ const RECTL *	prcl1,
		_In_ const RECTL *	prcl2
	)

Definition at line 55 of file rect.c.

{
    prclDst->left  = max(prcl1->left, prcl2->left);
    prclDst->right = min(prcl1->right, prcl2->right);
 
    if (prclDst->left < prclDst->right)
    {
        prclDst->top    = max(prcl1->top, prcl2->top);
        prclDst->bottom = min(prcl1->bottom, prcl2->bottom);
 
        if (prclDst->top < prclDst->bottom)
        {
            return TRUE;
        }
    }
 
    RECTL_vSetEmptyRect(prclDst);
 
    return FALSE;
}

Referenced by AddPenLinesBounds(), co_IntFixCaret(), co_UserGetUpdateRect(), EngAlphaBlend(), EngBitBlt(), EngCopyBits(), EngMaskBitBlt(), EngStretchBltROP(), EngTransparentBlt(), get_valid_rects(), IntBeginPaint(), IntEngBitBlt(), IntEngGradientFillRect(), IntEngGradientFillTriangle(), IntEngMaskBlt(), IntEngStretchBlt(), IntEngTransparentBlt(), IntFillWindow(), IntGetMonitorsFromRect(), IntIntersectWithParents(), IntIsWindowFullscreen(), IntScrollWindowEx(), IntUpdateLayeredWindowI(), MENU_ShowPopup(), RECTL_Intersect(), SpiGetSet(), and UserScrollDC().

RECTL_bIsEmptyRect()

FORCEINLINE BOOL RECTL_bIsEmptyRect

(

_In_ const RECTL *

prcl

)

Definition at line 44 of file rect.h.

{
    return (prcl->left >= prcl->right || prcl->top >= prcl->bottom);
}

Referenced by co_UserRedrawWindow(), DefWndDoSizeMove(), EngCopyBits(), GreGradientFill(), IntDefWindowProc(), IntDrawScrollBar(), NtGdiGetBoundsRect(), NtGdiSetBoundsRect(), NtUserDrawCaptionTemp(), NtUserGetComboBoxInfo(), RECTL_bClipRectBySize(), RECTL_bUnionRect(), SpiGetSet(), and WinPosInitInternalPos().

RECTL_bIsWellOrdered()

FORCEINLINE BOOL RECTL_bIsWellOrdered

(

_In_ const RECTL *

prcl

)

Definition at line 63 of file rect.h.

{
    return ((prcl->left <= prcl->right) &&
            (prcl->top  <= prcl->bottom));
}

Referenced by DbgDrvBitBlt().

RECTL_bPointInRect()

FORCEINLINE BOOL RECTL_bPointInRect	(	_In_ const RECTL *	prcl,
		_In_ INT	x,
		_In_ INT	y
	)

Definition at line 52 of file rect.h.

{
    return (x >= prcl->left && x < prcl->right &&
            y >= prcl->top  && y < prcl->bottom);
}

Referenced by addItemFlood(), co_WinPosSearchChildren(), GetNCHitEx(), IntPtInWindow(), IntTrackMouseMove(), MENU_FindItemByCoords(), NtUserDragDetect(), NtUserMenuItemFromPoint(), and SystemTimerProc().

RECTL_bUnionRect()

BOOL FASTCALL RECTL_bUnionRect	(	_Out_ RECTL *	prclDst,
		_In_ const RECTL *	prcl1,
		_In_ const RECTL *	prcl2
	)

Definition at line 18 of file rect.c.

{
    if (RECTL_bIsEmptyRect(prcl1))
    {
        if (RECTL_bIsEmptyRect(prcl2))
        {
            RECTL_vSetEmptyRect(prclDst);
            return FALSE;
        }
        else
        {
            *prclDst = *prcl2;
        }
    }
    else
    {
        if (RECTL_bIsEmptyRect(prcl2))
        {
            *prclDst = *prcl1;
        }
        else
        {
            prclDst->left = min(prcl1->left, prcl2->left);
            prclDst->top = min(prcl1->top, prcl2->top);
            prclDst->right = max(prcl1->right, prcl2->right);
            prclDst->bottom = max(prcl1->bottom, prcl2->bottom);
        }
    }
 
    return TRUE;
}

Referenced by AddPenLinesBounds(), IntUpdateBoundsRect(), NtGdiSetBoundsRect(), and REGION_bXformRgn().

RECTL_lGetHeight()

FORCEINLINE LONG RECTL_lGetHeight

(

_In_ const RECTL *

prcl

)

Definition at line 86 of file rect.h.

{
    return prcl->bottom - prcl->top;
}

Referenced by DIB_1BPP_BitBltSrcCopy_From1BPP(), PATH_Ellipse(), and PATH_RoundRect().

RECTL_lGetWidth()

FORCEINLINE LONG RECTL_lGetWidth

(

_In_ const RECTL *

prcl

)

Definition at line 93 of file rect.h.

{
    return prcl->right - prcl->left;
}

Referenced by DIB_1BPP_BitBltSrcCopy_From1BPP(), PATH_Ellipse(), and PATH_RoundRect().

RECTL_vInflateRect()

VOID FASTCALL RECTL_vInflateRect	(	_Inout_ RECTL *	rect,
		_In_ INT	dx,
		_In_ INT	dy
	)

Definition at line 101 of file rect.c.

{
    rect->left -= dx;
    rect->top -= dy;
    rect->right += dx;
    rect->bottom += dy;
}

Referenced by co_WinPosGetMinMaxInfo(), GetNCHitEx(), intGetTitleBarInfo(), MENU_DrawBitmapItem(), MENU_DrawMenuItem(), MENU_DrawPopupGlyph(), MENU_FindItemByCoords(), MENU_ShowSubPopup(), NC_DoNCPaint(), NC_DrawFrame(), NC_GetInsideRect(), NC_HandleNCCalcSize(), UserDrawCaptionBar(), and UserDrawCaptionButtonWnd().

RECTL_vMakeWellOrdered()

VOID FASTCALL RECTL_vMakeWellOrdered

(

_Inout_ RECTL *

prcl

)

Definition at line 81 of file rect.c.

{
    LONG lTmp;
    if (prcl->left > prcl->right)
    {
        lTmp = prcl->left;
        prcl->left = prcl->right;
        prcl->right = lTmp;
    }
    if (prcl->top > prcl->bottom)
    {
        lTmp = prcl->top;
        prcl->top = prcl->bottom;
        prcl->bottom = lTmp;
    }
}

Referenced by CallDibBitBlt(), DIB_16BPP_BitBltSrcCopy(), DIB_16BPP_ColorFill(), DIB_1BPP_BitBltSrcCopy(), DIB_1BPP_ColorFill(), DIB_24BPP_BitBltSrcCopy(), DIB_24BPP_ColorFill(), DIB_32BPP_BitBltSrcCopy(), DIB_32BPP_ColorFill(), DIB_4BPP_BitBltSrcCopy(), DIB_4BPP_ColorFill(), DIB_8BPP_BitBltSrcCopy(), DIB_8BPP_ColorFill(), DIB_XXBPP_StretchBlt(), EngAlphaBlend(), EngBitBlt(), EngStretchBltROP(), IntEngBitBlt(), IntEngStretchBlt(), NtGdiExcludeClipRect(), NtGdiIntersectClipRect(), NtGdiMaskBlt(), NtGdiSetBoundsRect(), NtGdiSetDIBitsToDeviceInternal(), PATH_CheckRect(), PATH_RoundRect(), REGION_bXformRgn(), and UserDrawCaption().

RECTL_vOffsetRect()

FORCEINLINE VOID RECTL_vOffsetRect	(	_Inout_ RECTL *	prcl,
		_In_ INT	cx,
		_In_ INT	cy
	)

Definition at line 31 of file rect.h.

{
    prcl->left += cx;
    prcl->right += cx;
    prcl->top += cy;
    prcl->bottom += cy;
}

Referenced by co_UserCreateWindowEx(), co_UserGetUpdateRect(), co_UserGetUpdateRgn(), co_WinPosDoNCCALCSize(), co_WinPosDoWinPosChanging(), DefWndDoSizeMove(), IntEngGradientFillRect(), IntGetClientRect(), IntGetScrollBarRect(), IntGetWindowPlacement(), IntPaintDesktop(), IntScrollWindowEx(), IntUpdateLayeredWindowI(), MENU_DrawBitmapItem(), MENU_DrawMenuItem(), MENU_ShowSubPopup(), NC_GetSysPopupPos(), NtGdiStretchDIBitsInternal(), PaintSuspendedWindow(), UITOOLS95_DrawFrameCaption(), UITOOLS95_DrawFrameScroll(), UserDrawIconEx(), UserScrollDC(), and WinPosInitInternalPos().

RECTL_vSetEmptyRect()

FORCEINLINE VOID RECTL_vSetEmptyRect

(

_Out_ RECTL *

prcl

)

Definition at line 20 of file rect.h.

{
    prcl->left = 0;
    prcl->top = 0;
    prcl->right = 0;
    prcl->bottom = 0;
}

Referenced by CLIPPING_UpdateGCRegion(), co_WinPosDoNCCALCSize(), get_valid_rects(), IntSetSnapInfo(), NtUserGetMenuBarInfo(), RECTL_bIntersectRect(), RECTL_bUnionRect(), and REGION_bXformRgn().

RECTL_vSetRect()

FORCEINLINE VOID RECTL_vSetRect	(	_Out_ RECTL *	prcl,
		_In_ LONG	left,
		_In_ LONG	top,
		_In_ LONG	right,
		_In_ LONG	bottom
	)

Definition at line 5 of file rect.h.

{
    prcl->left = left;
    prcl->top = top;
    prcl->right = right;
    prcl->bottom = bottom;
}

Referenced by co_WinPosMinMaximize(), DefWndDoSizeMove(), GreGetDIBitsInternal(), IntIsWindowFullscreen(), IntTrackMouseEvent(), IntTrackMouseMove(), make_point_onscreen(), MENU_CalcItemSize(), NtGdiExtFloodFill(), NtGdiSetPixel(), PATH_CheckRect(), PATH_RoundRect(), and UserDrawIconEx().