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wdenk059ae172003-04-20 16:52:09 +00001/*
2 * (C) Copyright 2002
wdenkb37c7e52003-06-30 16:24:52 +00003 * Detlev Zundel, DENX Software Engineering, dzu@denx.de.
wdenk059ae172003-04-20 16:52:09 +00004 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * BMP handling routines
26 */
27
28#include <common.h>
29#include <bmp_layout.h>
30#include <command.h>
wdenk8655b6f2004-10-09 23:25:58 +000031#include <asm/byteorder.h>
Stefan Roesec29ab9d2005-10-08 10:19:07 +020032#include <malloc.h>
wdenk059ae172003-04-20 16:52:09 +000033
34#if (CONFIG_COMMANDS & CFG_CMD_BMP)
35
36static int bmp_info (ulong addr);
wdenk4b248f32004-03-14 16:51:43 +000037static int bmp_display (ulong addr, int x, int y);
wdenk059ae172003-04-20 16:52:09 +000038
Stefan Roesec29ab9d2005-10-08 10:19:07 +020039int gunzip(void *, int, unsigned char *, unsigned long *);
40
wdenk059ae172003-04-20 16:52:09 +000041/*
42 * Subroutine: do_bmp
43 *
44 * Description: Handler for 'bmp' command..
45 *
46 * Inputs: argv[1] contains the subcommand
47 *
48 * Return: None
49 *
50 */
51int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
52{
53 ulong addr;
wdenk4b248f32004-03-14 16:51:43 +000054 int x = 0, y = 0;
wdenk059ae172003-04-20 16:52:09 +000055
56 switch (argc) {
57 case 2: /* use load_addr as default address */
58 addr = load_addr;
59 break;
60 case 3: /* use argument */
61 addr = simple_strtoul(argv[2], NULL, 16);
62 break;
wdenk4b248f32004-03-14 16:51:43 +000063 case 5:
64 addr = simple_strtoul(argv[2], NULL, 16);
65 x = simple_strtoul(argv[3], NULL, 10);
66 y = simple_strtoul(argv[4], NULL, 10);
67 break;
wdenk059ae172003-04-20 16:52:09 +000068 default:
69 printf ("Usage:\n%s\n", cmdtp->usage);
70 return 1;
71 }
72
73 /* Allow for short names
74 * Adjust length if more sub-commands get added
75 */
76 if (strncmp(argv[1],"info",1) == 0) {
77 return (bmp_info(addr));
78 } else if (strncmp(argv[1],"display",1) == 0) {
wdenk4b248f32004-03-14 16:51:43 +000079 return (bmp_display(addr, x, y));
wdenk059ae172003-04-20 16:52:09 +000080 } else {
81 printf ("Usage:\n%s\n", cmdtp->usage);
82 return 1;
83 }
84}
85
wdenk0d498392003-07-01 21:06:45 +000086U_BOOT_CMD(
wdenk4b248f32004-03-14 16:51:43 +000087 bmp, 5, 1, do_bmp,
wdenkb0fce992003-06-29 21:03:46 +000088 "bmp - manipulate BMP image data\n",
wdenk4b248f32004-03-14 16:51:43 +000089 "info <imageAddr> - display image info\n"
90 "bmp display <imageAddr> [x y] - display image at x,y\n"
wdenkb0fce992003-06-29 21:03:46 +000091);
92
wdenk059ae172003-04-20 16:52:09 +000093/*
94 * Subroutine: bmp_info
95 *
96 * Description: Show information about bmp file in memory
97 *
98 * Inputs: addr address of the bmp file
99 *
100 * Return: None
101 *
102 */
103static int bmp_info(ulong addr)
104{
105 bmp_image_t *bmp=(bmp_image_t *)addr;
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200106#ifdef CONFIG_VIDEO_BMP_GZIP
107 unsigned char *dst = NULL;
108 ulong len;
109#endif /* CONFIG_VIDEO_BMP_GZIP */
110
wdenk059ae172003-04-20 16:52:09 +0000111 if (!((bmp->header.signature[0]=='B') &&
112 (bmp->header.signature[1]=='M'))) {
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200113
114#ifdef CONFIG_VIDEO_BMP_GZIP
115 /*
116 * Decompress bmp image
117 */
118 len = CFG_VIDEO_LOGO_MAX_SIZE;
119 dst = malloc(CFG_VIDEO_LOGO_MAX_SIZE);
120 if (dst == NULL) {
121 printf("Error: malloc in gunzip failed!\n");
122 return(1);
123 }
124 if (gunzip(dst, CFG_VIDEO_LOGO_MAX_SIZE, (uchar *)addr, &len) != 0) {
125 printf("There is no valid bmp file at the given address\n");
126 return(1);
127 }
128 if (len == CFG_VIDEO_LOGO_MAX_SIZE) {
129 printf("Image could be truncated (increase CFG_VIDEO_LOGO_MAX_SIZE)!\n");
130 }
131
132 /*
133 * Set addr to decompressed image
134 */
135 bmp = (bmp_image_t *)dst;
136
137 /*
138 * Check for bmp mark 'BM'
139 */
140 if (!((bmp->header.signature[0] == 'B') &&
141 (bmp->header.signature[1] == 'M'))) {
142 printf("There is no valid bmp file at the given address\n");
143 free(dst);
144 return(1);
145 }
146
147 printf("Gzipped BMP image detected!\n");
148#else /* CONFIG_VIDEO_BMP_GZIP */
wdenk059ae172003-04-20 16:52:09 +0000149 printf("There is no valid bmp file at the given address\n");
150 return(1);
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200151#endif /* CONFIG_VIDEO_BMP_GZIP */
wdenk059ae172003-04-20 16:52:09 +0000152 }
153 printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width),
154 le32_to_cpu(bmp->header.height));
155 printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count));
156 printf("Compression : %d\n", le32_to_cpu(bmp->header.compression));
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200157
158#ifdef CONFIG_VIDEO_BMP_GZIP
159 if (dst) {
160 free(dst);
161 }
162#endif /* CONFIG_VIDEO_BMP_GZIP */
163
wdenk059ae172003-04-20 16:52:09 +0000164 return(0);
165}
166
167/*
168 * Subroutine: bmp_display
169 *
170 * Description: Display bmp file located in memory
171 *
172 * Inputs: addr address of the bmp file
173 *
174 * Return: None
175 *
176 */
wdenk4b248f32004-03-14 16:51:43 +0000177static int bmp_display(ulong addr, int x, int y)
wdenk059ae172003-04-20 16:52:09 +0000178{
wdenk281e00a2004-08-01 22:48:16 +0000179#if defined(CONFIG_LCD)
180 extern int lcd_display_bitmap (ulong, int, int);
wdenk059ae172003-04-20 16:52:09 +0000181
wdenk4b248f32004-03-14 16:51:43 +0000182 return (lcd_display_bitmap (addr, x, y));
wdenk281e00a2004-08-01 22:48:16 +0000183#elif defined(CONFIG_VIDEO)
wdenk4b248f32004-03-14 16:51:43 +0000184 extern int video_display_bitmap (ulong, int, int);
185 return (video_display_bitmap (addr, x, y));
wdenk281e00a2004-08-01 22:48:16 +0000186#else
187# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO
wdenk4b248f32004-03-14 16:51:43 +0000188#endif
wdenk059ae172003-04-20 16:52:09 +0000189}
190
191#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */