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1.1 root 1: #ifndef lint
2: static char *rcsid_fill_c = "$Header: fill.c,v 10.4 86/11/30 16:06:12 jg 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: BITMAP *xymask;
57: 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: struct mpr_data foo_data;
83: extern struct pixrectops mem_ops;
84:
85: foo_data.md_linebytes = mpr_linebytes(xymask->width, 1);
86: foo_data.md_image = (short *) xymask->data;
87: foo_data.md_offset.x = 0;
88: foo_data.md_offset.y = 0;
89: foo_data.md_primary = 0;
90: foo_data.md_flags = 0;
91: stencil.pr_ops = &mem_ops;
92: stencil.pr_size.x = xymask->width;
93: stencil.pr_size.y = xymask->height;
94: stencil.pr_depth = 1;
95: stencil.pr_data = (caddr_t) &foo_data;
96: do {
97: int cleft, ctop, cwidth, cheight;
98:
99: GetNextClip(clips, cleft, ctop, cwidth, cheight);
100: if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
101: int tleft = (cleft > dstx ? cleft : dstx);
102: int ttop = (ctop > dsty ? ctop : dsty);
103: int twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
104: int theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
105:
106: CheckCursor(tleft, ttop, twidth, theight);
107: pr_stencil(PixRect, tleft, ttop, twidth, theight, op, &stencil,
108: tleft - dstx, ttop - dsty, NULL, 0, 0);
109: }
110: } while (--clipcount > 0);
111: }
112: RestoreCursor();
113: SetZmask(PixRect, &allmask);
114: }
115: /*
116: * the following is bogus on a color sun, but as I know nothing about Suns,
117: * might as well make b/w work.... -JG
118: */
119: extern int errno;
120: #include <errno.h>
121:
122: int StippleFill (srcpix, xoff, yoff, stipmask, dstx, dsty, width, height,
123: clips, clipcount, func, zmask)
124: int srcpix; /* source pixel */
125: int xoff, yoff; /* stipple origin */
126: BITMAP *stipmask; /* stipple mask */
127: int dstx, dsty; /* destination */
128: int width, height;
129: CLIP *clips; /* clipping rectangles */
130: int clipcount;
131: int func; /* GX display function */
132: int zmask; /* plane mask */
133: {
134: static char funcmap[16][2] = {
135: {GXandInverted, GXandInverted}, /* GXclear */
136: {GXandInverted, GXnoop}, /* GXand */
137: {GXandInverted, GXxor}, /* GXandReverse */
138: {GXandInverted, GXor}, /* GXcopy */
139: {GXnoop, GXandInverted}, /* GXandInverted */
140: {GXnoop, GXnoop}, /* GXnoop */
141: {GXnoop, GXxor}, /* GXxor */
142: {GXnoop, GXor}, /* GXor */
143: {GXxor, GXandInverted}, /* GXnor */
144: {GXxor, GXnoop}, /* GXequiv */
145: {GXxor, GXxor}, /* GXinvert */
146: {GXxor, GXor}, /* GXorReverse */
147: {GXor, GXandInverted}, /* GXcopyInverted */
148: {GXor, GXnoop}, /* GXorInverted */
149: {GXor, GXxor}, /* GXnand */
150: {GXor, GXor} /* GXset */
151: };
152: int newfunc = funcmap [func][srcpix & 1];
153: PIXMAP *tile, *MakePixmap();
154:
155: if ((stipmask->width != 16) || (stipmask->height != 16)) {
156: errno = EINVAL;
157: return (0);
158: }
159: tile = MakePixmap (stipmask, 1, 0);
160: TileFill (tile, xoff, yoff, 0, dstx, dsty, width, height,
161: clips, clipcount, newfunc, zmask);
162: FreePixmap (tile);
163: return (1);
164: }
165: #endif sun
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