1 /*
2
3 Copyright (C) 2015-2018 Night Dive Studios, LLC.
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 */
19 /*
20 * $Source: r:/prj/lib/src/2d/RCS/fl8fl8c.c $
21 * $Revision: 1.2 $
22 * $Author: kevin $
23 * $Date: 1994/10/04 18:45:42 $
24 *
25 * Routines for drawing flat8 bitmaps into a flat8 canvas through a clut.
26 *
27 * This file is part of the 2d library.
28 *
29 * $Log: fl8fl8c.c $
30 * Revision 1.2 1994/10/04 18:45:42 kevin
31 * added clut fill mode specific function. Renamed old proc.
32 *
33 * Revision 1.1 1994/03/15 13:15:51 kevin
34 * Initial revision
35 *
36 */
37
38 #include "bitmap.h"
39 #include "cnvdat.h"
40 #include "fl8tf.h"
41
gri_flat8_fill_clut_ubitmap(grs_bitmap * bm,short x,short y)42 void gri_flat8_fill_clut_ubitmap(grs_bitmap *bm, short x, short y) {
43 gri_flat8_clut_ubitmap(bm, x, y, (uchar *)(grd_gc.fill_parm));
44 }
45
gri_flat8_clut_ubitmap(grs_bitmap * bm,short x,short y,uchar * cl)46 void gri_flat8_clut_ubitmap(grs_bitmap *bm, short x, short y, uchar *cl) {
47 uchar *src, *dst, *srcf;
48 short w = bm->w;
49 short h = bm->h;
50 int ds = bm->row - w;
51 int dd = grd_bm.row - w;
52
53 src = bm->bits;
54 dst = grd_bm.bits + grd_bm.row * y + x;
55
56 if (bm->flags & BMF_TRANS)
57 while (h--) {
58 for (srcf = src + w; src < srcf; src++, dst++)
59 if ((*src) != 0)
60 *dst = cl[*src];
61 src += ds;
62 dst += dd;
63 }
64 else
65 while (h--) {
66 for (srcf = src + w; src < srcf; src++, dst++)
67 *dst = cl[*src];
68 src += ds;
69 dst += dd;
70 }
71 }
72