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: n:/project/lib/src/2d/RCS/fl8pnt.c $
21  * $Revision: 1.4 $
22  * $Author: kaboom $
23  * $Date: 1993/10/19 09:50:51 $
24  *
25  * Routines for drawing points into a flat 8 canvas.
26  *
27  * This file is part of the 2d library.
28  *
29  * $Log: fl8pnt.c $
30  * Revision 1.4  1993/10/19  09:50:51  kaboom
31  * Replaced #include <grd.h" with new headers split from grd.h.
32  *
33  * Revision 1.3  1993/10/01  16:00:46  kaboom
34  * Converted to include clpcon.h instead of clip.h
35  *
36  * Revision 1.2  1993/05/16  00:33:03  kaboom
37  * Fixed clipped case to handle new padded clipping rectangle.
38  *
39  * Revision 1.1  1993/02/16  14:16:27  kaboom
40  * Initial revision
41  */
42 
43 #include "clpcon.h"
44 #include "cnvdat.h"
45 
flat8_upoint(short x,short y)46 void flat8_upoint(short x, short y) {
47     uchar *p;
48 
49     p = grd_bm.bits + y * grd_bm.row + x;
50     *p = grd_gc.fcolor;
51 }
52 
flat8_point(short x,short y)53 int flat8_point(short x, short y) {
54     uchar *p;
55 
56     if (x < grd_clip.left || x >= grd_clip.right || y < grd_clip.top || y >= grd_clip.bot)
57         return CLIP_ALL;
58 
59     p = grd_bm.bits + grd_bm.row * y + x;
60     *p = grd_gc.fcolor;
61     return CLIP_NONE;
62 }
63