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Annotation of researchv9/X11/src/X.V11R1/server/ddx/mi/miwindow.c, revision 1.1

1.1     ! root        1: /***********************************************************
        !             2: Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
        !             3: and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
        !             4: 
        !             5:                         All Rights Reserved
        !             6: 
        !             7: Permission to use, copy, modify, and distribute this software and its 
        !             8: documentation for any purpose and without fee is hereby granted, 
        !             9: provided that the above copyright notice appear in all copies and that
        !            10: both that copyright notice and this permission notice appear in 
        !            11: supporting documentation, and that the names of Digital or MIT not be
        !            12: used in advertising or publicity pertaining to distribution of the
        !            13: software without specific, written prior permission.  
        !            14: 
        !            15: DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            16: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            17: DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            18: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            19: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            20: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            21: SOFTWARE.
        !            22: 
        !            23: ******************************************************************/
        !            24: /* $Header: miwindow.c,v 1.14 87/09/11 07:20:06 toddb Exp $ */
        !            25: #include "X.h"
        !            26: #include "miscstruct.h"
        !            27: #include "region.h"
        !            28: #include "mi.h"
        !            29: #include "windowstr.h"
        !            30: #include "scrnintstr.h"
        !            31: #include "pixmapstr.h"
        !            32: 
        !            33: /* 
        !            34:  * miwindow.c : machine independent window routines 
        !            35:  *  miClearToBackground
        !            36:  *  miPaintWindow
        !            37:  *
        !            38:  *  author: drewry
        !            39:  *          Dec 1986
        !            40:  */
        !            41: 
        !            42: 
        !            43: void 
        !            44: miClearToBackground(pWin, x, y, w, h, generateExposures)
        !            45:     WindowPtr pWin;
        !            46:     short x,y;
        !            47:     unsigned short w,h;
        !            48:     Bool generateExposures;
        !            49: {
        !            50:     BoxRec box;
        !            51:     RegionPtr pReg;
        !            52: 
        !            53:     if ((pWin->backgroundTile == (PixmapPtr)None) ||
        !            54:        (pWin->class == InputOnly))
        !            55:         return ;
        !            56:     box.x1 = pWin->absCorner.x + x;
        !            57:     box.y1 = pWin->absCorner.y + y;
        !            58:     if (w)
        !            59:         box.x2 = box.x1 + w;
        !            60:     else
        !            61:         box.x2 = box.x1 + pWin->clientWinSize.width - x;
        !            62:     if (h)
        !            63:         box.y2 = box.y1 + h;   
        !            64:     else
        !            65:         box.y2 = box.y1 + pWin->clientWinSize.height - y;
        !            66: 
        !            67:     pReg = (* pWin->drawable.pScreen->RegionCreate)(&box, 1);
        !            68:     if (generateExposures)
        !            69:     {
        !            70:         (* pWin->drawable.pScreen->Intersect)(pWin->exposed, pReg, pWin->clipList);
        !            71:         HandleExposures(pWin);
        !            72:     }
        !            73:     else
        !            74:     {
        !            75:         (* pWin->drawable.pScreen->Intersect)(pReg, pReg, pWin->clipList);
        !            76:         (*pWin->PaintWindowBackground)(pWin, pReg, PW_BACKGROUND);
        !            77:     }
        !            78:     (* pWin->drawable.pScreen->RegionDestroy)(pReg);
        !            79: }
        !            80: 
        !            81: 

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