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Annotation of 43BSD/contrib/X/libsun/fill.c, revision 1.1.1.1

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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