summaryrefslogtreecommitdiffstats
path: root/apps/gui/backdrop.c
blob: 6178894c42bf99fcc2d56b9b24ff3d91ff52e0e3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2006 Dave Chapman
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include <stdio.h>
#include "config.h"
#include "lcd.h"
#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif
#include "backdrop.h"

#if LCD_DEPTH >= 8
static fb_data main_backdrop[LCD_HEIGHT][LCD_WIDTH]  __attribute__ ((aligned (16)));
static fb_data wps_backdrop[LCD_HEIGHT][LCD_WIDTH]  __attribute__ ((aligned (16)));
#elif LCD_DEPTH == 2
static fb_data main_backdrop[LCD_FBHEIGHT][LCD_FBWIDTH];
static fb_data wps_backdrop[LCD_FBHEIGHT][LCD_FBWIDTH];
#endif

#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
static fb_remote_data remote_wps_backdrop[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBWIDTH];
static bool remote_wps_backdrop_valid = false;
#endif

static bool main_backdrop_valid = false;
static bool wps_backdrop_valid = false;

/* load a backdrop into a buffer */
static bool load_backdrop(const char* filename, fb_data* backdrop_buffer)
{
    struct bitmap bm;
    int ret;

    /* load the image */
    bm.data=(char*)backdrop_buffer;
    ret = read_bmp_file(filename, &bm, sizeof(main_backdrop),
                        FORMAT_NATIVE | FORMAT_DITHER);

    if ((ret > 0) && (bm.width == LCD_WIDTH) && (bm.height == LCD_HEIGHT))
    {
        return true;
    }
    else
    {
        return false;
    }
}

bool load_main_backdrop(const char* filename)
{
    main_backdrop_valid = load_backdrop(filename, &main_backdrop[0][0]);
    return main_backdrop_valid;
}

bool load_wps_backdrop(const char* filename)
{
    wps_backdrop_valid = load_backdrop(filename, &wps_backdrop[0][0]);
    return wps_backdrop_valid;
}

void unload_main_backdrop(void)
{
    main_backdrop_valid = false;
}

void unload_wps_backdrop(void)
{
    wps_backdrop_valid = false;
}

void show_main_backdrop(void)
{
    lcd_set_backdrop(main_backdrop_valid ? &main_backdrop[0][0] : NULL);
}

void show_wps_backdrop(void)
{
    /* if no wps backdrop, fall back to main backdrop */
    if(wps_backdrop_valid)
    {
        lcd_set_backdrop(&wps_backdrop[0][0]);
    }
    else
    {
        show_main_backdrop();
    }
}

#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1

static bool load_remote_backdrop(const char* filename, fb_remote_data* backdrop_buffer)
{
    struct bitmap bm;
    int ret;

    /* load the image */
    bm.data=(char*)backdrop_buffer;
    ret = read_bmp_file(filename, &bm, sizeof(main_backdrop),
                        FORMAT_NATIVE | FORMAT_DITHER | FORMAT_REMOTE);

    if ((ret > 0) && (bm.width == LCD_REMOTE_WIDTH) && (bm.height == LCD_REMOTE_HEIGHT))
    {
        return true;
    }
    else
    {
        return false;
    }
}

bool load_remote_wps_backdrop(const char* filename)
{
    remote_wps_backdrop_valid = load_remote_backdrop(filename, &remote_wps_backdrop[0][0]);
    return remote_wps_backdrop_valid;
}

void unload_remote_wps_backdrop(void)
{
    remote_wps_backdrop_valid = false;
}

void show_remote_wps_backdrop(void)
{
    /* if no wps backdrop, fall back to main backdrop */
    if(remote_wps_backdrop_valid)
    {
        lcd_remote_set_backdrop(&remote_wps_backdrop[0][0]);
    }
    else
    {
        show_remote_main_backdrop();
    }
}

void show_remote_main_backdrop(void)
{
    lcd_remote_set_backdrop(NULL);
}
#endif