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Annotation of 43BSDTahoe/new/X/libibm/libsrc/copy.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_copy_c = "$Header: copy.c,v 10.1 86/11/19 10:40:31 jg Exp $";
        !             3: #endif lint
        !             4: /* copy.c - Copy one rectangular section of the screen buffer to another
        !             5:  *
        !             6:  *      CopyArea        Copies a rectangular section of the screen buffer
        !             7:  *
        !             8:  *     Author:
        !             9:  *             Scott Bates
        !            10:  *             Brown University
        !            11:  *             IRIS, Box 1946
        !            12:  *             Providence, RI 02912
        !            13:  *
        !            14:  *
        !            15:  *             Copyright (c) 1986 Brown University
        !            16:  *
        !            17:  * Permission to use, copy, modify and distribute this software and its
        !            18:  * documentation for any purpose and without fee is hereby granted, provided
        !            19:  * that the above copyright notice appear in all copies, and that both
        !            20:  * that copyright notice and this permission notice appear in supporting
        !            21:  * documentation, and that the name of Brown University not be used in
        !            22:  * advertising or publicity pertaining to distribution of the software
        !            23:  * without specific, written prior permission. Brown University makes no
        !            24:  * representations about the suitability of this software for any purpose.
        !            25:  * It is provided "as-is" without express or implied warranty.
        !            26:  */
        !            27: 
        !            28: #include "private.h"
        !            29: #include "bitblt.h"
        !            30: 
        !            31: /*
        !            32:  * Screen to screen copy
        !            33:  */
        !            34: 
        !            35: CopyArea (srcx, srcy, width, height, dstx, dsty, clips, clipcount, func, zmask)
        !            36:         register srcx, srcy, dstx, dsty;
        !            37:        int clipcount, zmask, func;
        !            38:        int width, height; 
        !            39:         CLIP *clips;
        !            40: {
        !            41:        register Blt_Rectangle *source = &SrcRect;
        !            42:        register Blt_Rectangle *dest = &DstRect;
        !            43: 
        !            44: #ifdef TRACE_X
        !            45:        fprintf(stderr, "In CopyArea\n");
        !            46:        fflush(stderr);
        !            47: #endif TRACE_X
        !            48: 
        !            49:        /*
        !            50:         * Limit copy to one plane
        !            51:         */
        !            52: 
        !            53:         if ((zmask & 1) == 0)
        !            54:                return;
        !            55: 
        !            56:        /*
        !            57:         * Fill in source and destination rectangles
        !            58:         */
        !            59: 
        !            60:         FillInRect(srcx, srcy, width, height, source);
        !            61:         FillInRect(dstx, dsty, width, height, dest);
        !            62: 
        !            63:        /*
        !            64:         * Copy screen source to screen destination
        !            65:         */
        !            66: 
        !            67:         CopyBits((u_short *) pbm.data, pbm.width, pbm.height, source,
        !            68:                  (u_short *) pbm.data, pbm.width, pbm.height, dest,
        !            69:                 NILMASK, NIL, NIL, func, clipcount, clips);
        !            70: }

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