4.3BSD - /usr/src/new/X/libsun/fill.c

   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

Defined functions

Defined variables