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Annotation of 43BSD/contrib/X/libsun/fill.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_fill_c = "$Header: fill.c,v 10.2 86/02/01 16:20:53 tony Rel $";
        !             3: #endif lint
        !             4: #ifdef sun
        !             5: /*
        !             6:  * The Sun X drivers are a product of Sun Microsystems, Inc. and are provided
        !             7:  * for unrestricted use provided that this legend is included on all tape
        !             8:  * media and as a part of the software program in whole or part.  Users
        !             9:  * may copy or modify these drivers without charge, but are not authorized
        !            10:  * to license or distribute them to anyone else except as part of a product or
        !            11:  * program developed by the user.
        !            12:  * 
        !            13:  * THE SUN X DRIVERS ARE PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND
        !            14:  * INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A
        !            15:  * PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE
        !            16:  * PRACTICE.
        !            17:  *
        !            18:  * The Sun X Drivers are provided with no support and without any obligation
        !            19:  * on the part of Sun Microsystems, Inc. to assist in their use, correction,
        !            20:  * modification or enhancement.
        !            21:  * 
        !            22:  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
        !            23:  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THE SUN X
        !            24:  * DRIVERS OR ANY PART THEREOF.
        !            25:  * 
        !            26:  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
        !            27:  * or profits or other special, indirect and consequential damages, even if
        !            28:  * Sun has been advised of the possibility of such damages.
        !            29:  * 
        !            30:  * Sun Microsystems, Inc.
        !            31:  * 2550 Garcia Avenue
        !            32:  * Mountain View, California  94043
        !            33:  */
        !            34: 
        !            35: #ifndef        lint
        !            36: static char sccsid[] = "@(#)fill.c 2.1 86/01/28 Copyright 1986 Sun Micro";
        !            37: #endif
        !            38: 
        !            39: /*-
        !            40:  * Copyright (c) 1986 by Sun Microsystems,  Inc.
        !            41:  */
        !            42: 
        !            43: /* fill.c      Perform a simple raster operation a section of the screen
        !            44:  *
        !            45:  *     PixFill Do a function on the screen
        !            46:  *
        !            47:  */
        !            48: 
        !            49: #include "Xsun.h"
        !            50: extern struct pixrect *PixRect;
        !            51: 
        !            52: /*ARGSUSED*/
        !            53: PixFill (srcpix, xymask, dstx, dsty, width, height, clips, clipcount,
        !            54:         func, zmask)
        !            55:        int srcpix, dstx, dsty, width, height, clipcount, zmask;
        !            56:        register BITMAP *xymask;
        !            57:        register int func;
        !            58:        CLIP *clips;
        !            59: {
        !            60:     int         op = SUN_FROM_X_OP(func) | PIX_COLOR(srcpix) | PIX_DONTCLIP;
        !            61:     int allmask = -1;
        !            62: 
        !            63:     SetZmask(PixRect, &zmask);
        !            64:     if (xymask == NULL) {
        !            65:        do {
        !            66:            int         cleft, ctop, cwidth, cheight;
        !            67: 
        !            68:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !            69:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !            70:                int         tleft = (cleft > dstx ? cleft : dstx);
        !            71:                int         ttop = (ctop > dsty ? ctop : dsty);
        !            72:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !            73:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !            74: 
        !            75:                CheckCursor(tleft, ttop, twidth, theight);
        !            76:                pr_rop(PixRect, tleft, ttop, twidth, theight, op, NULL, 0, 0);
        !            77:            }
        !            78:        } while (--clipcount > 0);
        !            79:     }
        !            80:     else {
        !            81:        struct pixrect stencil;
        !            82: 
        !            83:        stencil.pr_ops = PixRect->pr_ops;
        !            84:        stencil.pr_size.x = xymask->width;
        !            85:        stencil.pr_size.y = xymask->height;
        !            86:        stencil.pr_depth = 1;
        !            87:        stencil.pr_data = xymask->data;
        !            88:        do {
        !            89:            int         cleft, ctop, cwidth, cheight;
        !            90: 
        !            91:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !            92:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !            93:                int         tleft = (cleft > dstx ? cleft : dstx);
        !            94:                int         ttop = (ctop > dsty ? ctop : dsty);
        !            95:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !            96:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !            97: 
        !            98:                CheckCursor(tleft, ttop, twidth, theight);
        !            99:                pr_stencil(PixRect, tleft, ttop, twidth, theight, op, &stencil, tleft, ttop, NULL, 0, 0);
        !           100:            }
        !           101:        } while (--clipcount > 0);
        !           102:     }
        !           103:     RestoreCursor();
        !           104:     SetZmask(PixRect, &allmask);
        !           105: }
        !           106: #endif sun

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