1 /*
2 progressbar.h
3
4 For Tux Paint
5 Progress bar functions
6
7 Copyright (c) 2002-2006 by Bill Kendrick and others
8 bill@newbreedsoftware.com
9 http://www.newbreedsoftware.com/tuxpaint/
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 (See COPYING.txt)
25
26 June 14, 2002 - February 18, 2006
27 $Id$
28 */
29
30
31 #include "progressbar.h"
32 #include "debug.h"
33
34 SDL_Surface *img_progress;
35 int progress_bar_disabled, prog_bar_ctr;
36
37
38 /**
39 * Draw & animate (as function is called repeatedly) the progress bar.
40 *
41 * @param screen Screen surface
42 */
show_progress_bar(SDL_Surface * screen)43 void show_progress_bar(SDL_Surface * screen)
44 {
45 SDL_Rect dest, src;
46 int x;
47 static Uint32 oldtime;
48 Uint32 newtime;
49
50 if (progress_bar_disabled)
51 return;
52
53 newtime = SDL_GetTicks();
54 if (newtime > oldtime + 15) // trying not to eat some serious CPU time!
55 {
56 for (x = 0; x < screen->w; x = x + 65)
57 {
58 src.x = 65 - (prog_bar_ctr % 65);
59 src.y = 0;
60 src.w = 65;
61 src.h = 24;
62
63 dest.x = x;
64 dest.y = screen->h - 24;
65
66 SDL_BlitSurface(img_progress, &src, screen, &dest);
67 }
68
69 prog_bar_ctr++;
70
71 SDL_UpdateRect(screen, 0, screen->h - 24, screen->w, 24);
72 }
73 oldtime = newtime;
74
75
76 /* FIXME: RESURRECT THIS (bjk 2006.02.18) */
77 //eat_sdl_events();
78 }
79