mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-08 04:03:35 +08:00
5ba7390c3c
common/cmd_bmp.c fails to compile if CONFIG_VIDEO_BMP_GZIP isn't defined. This patch fix this. Signed-off-by: Anatolij Gustschin <agust@denx.de>
224 lines
5.0 KiB
C
224 lines
5.0 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Detlev Zundel, DENX Software Engineering, dzu@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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 program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* BMP handling routines
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <bmp_layout.h>
|
|
#include <command.h>
|
|
#include <asm/byteorder.h>
|
|
#include <malloc.h>
|
|
|
|
static int bmp_info (ulong addr);
|
|
static int bmp_display (ulong addr, int x, int y);
|
|
|
|
int gunzip(void *, int, unsigned char *, unsigned long *);
|
|
|
|
/*
|
|
* Allocate and decompress a BMP image using gunzip().
|
|
*
|
|
* Returns a pointer to the decompressed image data. Must be freed by
|
|
* the caller after use.
|
|
*
|
|
* Returns NULL if decompression failed, or if the decompressed data
|
|
* didn't contain a valid BMP signature.
|
|
*/
|
|
#ifdef CONFIG_VIDEO_BMP_GZIP
|
|
static bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
|
|
{
|
|
void *dst;
|
|
unsigned long len;
|
|
bmp_image_t *bmp;
|
|
|
|
/*
|
|
* Decompress bmp image
|
|
*/
|
|
len = CFG_VIDEO_LOGO_MAX_SIZE;
|
|
dst = malloc(CFG_VIDEO_LOGO_MAX_SIZE);
|
|
if (dst == NULL) {
|
|
puts("Error: malloc in gunzip failed!\n");
|
|
return NULL;
|
|
}
|
|
if (gunzip(dst, CFG_VIDEO_LOGO_MAX_SIZE, (uchar *)addr, &len) != 0) {
|
|
free(dst);
|
|
return NULL;
|
|
}
|
|
if (len == CFG_VIDEO_LOGO_MAX_SIZE)
|
|
puts("Image could be truncated"
|
|
" (increase CFG_VIDEO_LOGO_MAX_SIZE)!\n");
|
|
|
|
bmp = dst;
|
|
|
|
/*
|
|
* Check for bmp mark 'BM'
|
|
*/
|
|
if (!((bmp->header.signature[0] == 'B') &&
|
|
(bmp->header.signature[1] == 'M'))) {
|
|
free(dst);
|
|
return NULL;
|
|
}
|
|
|
|
puts("Gzipped BMP image detected!\n");
|
|
|
|
return bmp;
|
|
}
|
|
#else
|
|
static bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
|
|
{
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Subroutine: do_bmp
|
|
*
|
|
* Description: Handler for 'bmp' command..
|
|
*
|
|
* Inputs: argv[1] contains the subcommand
|
|
*
|
|
* Return: None
|
|
*
|
|
*/
|
|
int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
ulong addr;
|
|
int x = 0, y = 0;
|
|
|
|
switch (argc) {
|
|
case 2: /* use load_addr as default address */
|
|
addr = load_addr;
|
|
break;
|
|
case 3: /* use argument */
|
|
addr = simple_strtoul(argv[2], NULL, 16);
|
|
break;
|
|
case 5:
|
|
addr = simple_strtoul(argv[2], NULL, 16);
|
|
x = simple_strtoul(argv[3], NULL, 10);
|
|
y = simple_strtoul(argv[4], NULL, 10);
|
|
break;
|
|
default:
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
/* Allow for short names
|
|
* Adjust length if more sub-commands get added
|
|
*/
|
|
if (strncmp(argv[1],"info",1) == 0) {
|
|
return (bmp_info(addr));
|
|
} else if (strncmp(argv[1],"display",1) == 0) {
|
|
return (bmp_display(addr, x, y));
|
|
} else {
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bmp, 5, 1, do_bmp,
|
|
"bmp - manipulate BMP image data\n",
|
|
"info <imageAddr> - display image info\n"
|
|
"bmp display <imageAddr> [x y] - display image at x,y\n"
|
|
);
|
|
|
|
/*
|
|
* Subroutine: bmp_info
|
|
*
|
|
* Description: Show information about bmp file in memory
|
|
*
|
|
* Inputs: addr address of the bmp file
|
|
*
|
|
* Return: None
|
|
*
|
|
*/
|
|
static int bmp_info(ulong addr)
|
|
{
|
|
bmp_image_t *bmp=(bmp_image_t *)addr;
|
|
unsigned long len;
|
|
|
|
if (!((bmp->header.signature[0]=='B') &&
|
|
(bmp->header.signature[1]=='M')))
|
|
bmp = gunzip_bmp(addr, &len);
|
|
|
|
if (bmp == NULL) {
|
|
printf("There is no valid bmp file at the given address\n");
|
|
return 1;
|
|
}
|
|
|
|
printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width),
|
|
le32_to_cpu(bmp->header.height));
|
|
printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count));
|
|
printf("Compression : %d\n", le32_to_cpu(bmp->header.compression));
|
|
|
|
if ((unsigned long)bmp != addr)
|
|
free(bmp);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Subroutine: bmp_display
|
|
*
|
|
* Description: Display bmp file located in memory
|
|
*
|
|
* Inputs: addr address of the bmp file
|
|
*
|
|
* Return: None
|
|
*
|
|
*/
|
|
static int bmp_display(ulong addr, int x, int y)
|
|
{
|
|
int ret;
|
|
bmp_image_t *bmp = (bmp_image_t *)addr;
|
|
unsigned long len;
|
|
|
|
if (!((bmp->header.signature[0]=='B') &&
|
|
(bmp->header.signature[1]=='M')))
|
|
bmp = gunzip_bmp(addr, &len);
|
|
|
|
if (!bmp) {
|
|
printf("There is no valid bmp file at the given address\n");
|
|
return 1;
|
|
}
|
|
|
|
#if defined(CONFIG_LCD)
|
|
extern int lcd_display_bitmap (ulong, int, int);
|
|
|
|
ret = lcd_display_bitmap ((unsigned long)bmp, x, y);
|
|
#elif defined(CONFIG_VIDEO)
|
|
extern int video_display_bitmap (ulong, int, int);
|
|
|
|
ret = video_display_bitmap ((unsigned long)bmp, x, y);
|
|
#else
|
|
# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO
|
|
#endif
|
|
|
|
if ((unsigned long)bmp != addr)
|
|
free(bmp);
|
|
|
|
return ret;
|
|
}
|