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1.1 root 1: #ifndef lint
2: static char *rcsid_tile_c = "$Header: tile.c,v 10.2 86/02/01 16:21:30 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[] = "@(#)tile.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: /* tile.c Perform a raster operation involving a pattern
44: *
45: * TileFill Patterns a portion of the screen
46: * DrawFilled Draw a filled generalized line/polygon/combination
47: *
48: */
49:
50: /*
51: * ToDo:
52: * Implement draw filled
53: * Implement tile fill with xymap
54: * Use static pixrects
55: */
56:
57: #include "Xsun.h"
58:
59: extern struct pixrect *PixRect;
60:
61: char *Xalloc();
62:
63: static
64: PixrectFill(Tile, xymask, dstx, dsty, width, height, op, clips, clipcount, xoff, yoff)
65: struct pixrect *Tile;
66: BITMAP *xymask;
67: int dstx, dsty, width, height;
68: unsigned op;
69: CLIP *clips;
70: int clipcount;
71: int xoff, yoff;
72: {
73: if (xymask == NULL) {
74: /* spread tile from (dstx,dsty) by (width,height) */
75: do {
76: int cleft, ctop, cwidth, cheight;
77:
78: GetNextClip(clips, cleft, ctop, cwidth, cheight);
79: if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
80: int tleft = (cleft > dstx ? cleft : dstx);
81: int ttop = (ctop > dsty ? ctop : dsty);
82: int twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
83: int theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
84: /* XXX - is this the right tile mode? */
85: CheckCursor(tleft, ttop, twidth, theight);
86: pr_replrop(PixRect, tleft, ttop, twidth, theight, op,
87: Tile, tleft - xoff, ttop - yoff);
88: }
89: } while (--clipcount > 0);
90: }
91: else {
92: /* spread tile thru xymask */
93: struct pixrect *stencil = mem_point(xymask->width, xymask->width, 1, xymask->data);
94:
95: #ifdef notdef
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: CheckCursor(tleft, ttop, twidth, theight);
106: /* XXX - need combination of stencil & replrop */
107: pr_stencil(PixRect, tleft, ttop, twidth, theight, op, &stencil, tleft, ttop, NULL, 0, 0);
108: }
109: } while (--clipcount > 0);
110: #endif
111: pr_destroy(stencil);
112: }
113: }
114:
115: static
116: ConstantFill(tile, xymask, dstx, dsty, width, height, op, clips, clipcount)
117: PIXMAP *tile;
118: BITMAP *xymask;
119: int dstx, dsty, width, height;
120: unsigned op;
121: CLIP *clips;
122: int clipcount;
123: {
124: op |= PIX_COLOR((PINVERT(tile) ^ (int) tile->data));
125: if (xymask == NULL) {
126: /* spread constant from (dstx,dsty) by (width,height) */
127: do {
128: int cleft, ctop, cwidth, cheight;
129:
130: GetNextClip(clips, cleft, ctop, cwidth, cheight);
131: if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
132: int tleft = (cleft > dstx ? cleft : dstx);
133: int ttop = (ctop > dsty ? ctop : dsty);
134: int twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
135: int theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
136: CheckCursor(tleft, ttop, twidth, theight);
137: /* XXX - is this the right tile mode? */
138: pr_rop(PixRect, tleft, ttop, twidth, theight, op, NULL, 0, 0);
139: }
140: } while (--clipcount > 0);
141: }
142: else {
143: /* spread constant thru xymask */
144: struct pixrect *stencil = mem_point(xymask->width, xymask->width, 1, xymask->data);
145:
146: do {
147: int cleft, ctop, cwidth, cheight;
148:
149: GetNextClip(clips, cleft, ctop, cwidth, cheight);
150: if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
151: int tleft = (cleft > dstx ? cleft : dstx);
152: int ttop = (ctop > dsty ? ctop : dsty);
153: int twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
154: int theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
155:
156: CheckCursor(tleft, ttop, twidth, theight);
157: pr_stencil(PixRect, tleft, ttop, twidth, theight, op, stencil, tleft, ttop, NULL, 0, 0);
158: }
159: } while (--clipcount > 0);
160: pr_destroy(stencil);
161: }
162: }
163:
164:
165: /*ARGSUSED*/
166: TileFill (tile, xoff, yoff, xymask, dstx, dsty, width, height,
167: clips, clipcount, func, zmask)
168: PIXMAP *tile;
169: BITMAP *xymask;
170: int xoff, yoff, dstx, dsty, width, height, zmask;
171: register int func;
172: CLIP *clips;
173: {
174: int op = SUN_FROM_X_OP(func) | PIX_DONTCLIP;
175: int allmask = -1;
176:
177: if ((PixRect->pr_depth == 1) && !(zmask & 1))
178: return;
179: SetZmask(PixRect, &zmask);
180: switch (PTYPE(tile)) {
181: case BitmapPixmap:
182: {
183: struct pixrect *Tile =
184: mem_point(tile->width, tile->height, 1, ((BITMAP *) tile->data)->data); /* XXX - slow !!! */
185:
186: PixrectFill(Tile, xymask, dstx, dsty, width, height, op, clips, clipcount, xoff, yoff);
187: pr_destroy(Tile);
188: }
189: break;
190: case ConstantPixmap:
191: ConstantFill(tile, xymask, dstx, dsty, width, height, op, clips, clipcount);
192: break;
193: case XYColorPixmap:
194: /* XXX - not yet implemented - do plane by plane */
195: break;
196: case ZColorPixmap:
197: {
198: struct pixrect *Tile =
199: mem_point(tile->width, tile->height, PixRect->pr_depth, tile->data); /* XXX - slow !!! */
200:
201: PixrectFill(Tile, xymask, dstx, dsty, width, height, op, clips, clipcount, xoff, yoff);
202: pr_destroy(Tile);
203: }
204: break;
205: }
206: SetZmask(PixRect, &allmask);
207: RestoreCursor();
208: }
209:
210: /*ARGSUSED*/
211: DrawFilled (verts, vertcount, xbase, ybase, srcpix, tile, xoff, yoff,
212: clips, clipcount, func, zmask)
213: Vertex *verts;
214: register PIXMAP *tile;
215: int vertcount, xbase, ybase, srcpix, xoff, yoff, clipcount, zmask;
216: register int func;
217: CLIP *clips;
218: {
219: /* XXX - need pr_polygon_2() */
220: }
221: #endif sun
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