2 * libwmfun - WindowMaker texture function library
3 * Copyright (C) 1999 Tobias Gloth
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 2 of the License, or
8 * (at your option) any later version.
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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
25 * Revision 1.1 2000/12/03 18:58:41 id
26 * initiate plugins branch
28 * Revision 1.1.1.1 1999/02/21 17:16:47 gloth
39 static Display *dpy = 0;
42 void initWindowMaker(Display * d, Colormap c)
51 void error(const char *format, ...)
54 va_start(args, format);
55 vfprintf(stderr, format, args);
59 int parse_color(const char *string, int *result)
63 if (!XParseColor(dpy, cmap, string, &color)) {
66 result[0] = color.red >> 8;
67 result[1] = color.green >> 8;
68 result[2] = color.blue >> 8;
73 int parse_xcolor(const char *string, XColor * xcolor)
75 if (!XParseColor(dpy, cmap, string, xcolor)) {
78 if (!XAllocColor(dpy, cmap, xcolor)) {
85 void interpolate_color(int *t, const int *s0, const int *s1, int mix)
87 t[0] = (mix * s0[0] + (255 - mix) * s1[0]) >> 8;
88 t[1] = (mix * s0[1] + (255 - mix) * s1[1]) >> 8;
89 t[2] = (mix * s0[2] + (255 - mix) * s1[2]) >> 8;
92 int random_int(int range)
94 return rand() / (RAND_MAX / range + 1);
97 double random_double(double range)
99 return ((double)rand()) / (((double)RAND_MAX) / range);
102 int start_image(const char *name, int argc, int argc_min, int argc_max, int width, int height, RImage ** image)
106 error("%s: library not initialized\n", name);
110 if ((argc < argc_min) || (argc >= argc_max)) {
111 error("%s: invalid number of parameters: \n", name, argc);
115 *image = RCreateImage(width, height, 0);
117 error("%s: can't create image\n", name);