X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=common%2Fcmd_bmp.c;h=ad412c81eb8d39ee893ffa166af533156922eeda;hb=f2b07ebd32e42a5b1126c98efc768ddb8908de62;hp=6e813c625eba0f5dcbd5daeb2cae45bb5efaa7ac;hpb=b0fce99bfc116c2ddb4506268d6e4a0a7054478d;p=karo-tx-uboot.git diff --git a/common/cmd_bmp.c b/common/cmd_bmp.c index 6e813c625e..ad412c81eb 100644 --- a/common/cmd_bmp.c +++ b/common/cmd_bmp.c @@ -1,6 +1,6 @@ /* * (C) Copyright 2002 - * Dtlev Zundel, DENX Software Engineering, dzu@denx.de. + * Detlev Zundel, DENX Software Engineering, dzu@denx.de. * * See file CREDITS for list of people who contributed to this * project. @@ -28,11 +28,15 @@ #include #include #include +#include +#include #if (CONFIG_COMMANDS & CFG_CMD_BMP) static int bmp_info (ulong addr); -static int bmp_display (ulong addr); +static int bmp_display (ulong addr, int x, int y); + +int gunzip(void *, int, unsigned char *, unsigned long *); /* * Subroutine: do_bmp @@ -47,6 +51,7 @@ static int bmp_display (ulong addr); 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 */ @@ -55,6 +60,11 @@ int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 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; @@ -66,18 +76,18 @@ int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if (strncmp(argv[1],"info",1) == 0) { return (bmp_info(addr)); } else if (strncmp(argv[1],"display",1) == 0) { - return (bmp_display(addr)); + return (bmp_display(addr, x, y)); } else { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } } -cmd_tbl_t U_BOOT_CMD(BMP) = MK_CMD_ENTRY( - "bmp", 3, 1, do_bmp, +U_BOOT_CMD( + bmp, 5, 1, do_bmp, "bmp - manipulate BMP image data\n", - "info - display image info\n" - "bmp display - display image\n" + "info - display image info\n" + "bmp display [x y] - display image at x,y\n" ); /* @@ -93,15 +103,64 @@ cmd_tbl_t U_BOOT_CMD(BMP) = MK_CMD_ENTRY( static int bmp_info(ulong addr) { bmp_image_t *bmp=(bmp_image_t *)addr; +#ifdef CONFIG_VIDEO_BMP_GZIP + unsigned char *dst = NULL; + ulong len; +#endif /* CONFIG_VIDEO_BMP_GZIP */ + if (!((bmp->header.signature[0]=='B') && (bmp->header.signature[1]=='M'))) { + +#ifdef CONFIG_VIDEO_BMP_GZIP + /* + * Decompress bmp image + */ + len = CFG_VIDEO_LOGO_MAX_SIZE; + dst = malloc(CFG_VIDEO_LOGO_MAX_SIZE); + if (dst == NULL) { + printf("Error: malloc in gunzip failed!\n"); + return(1); + } + if (gunzip(dst, CFG_VIDEO_LOGO_MAX_SIZE, (uchar *)addr, &len) != 0) { + printf("There is no valid bmp file at the given address\n"); + return(1); + } + if (len == CFG_VIDEO_LOGO_MAX_SIZE) { + printf("Image could be truncated (increase CFG_VIDEO_LOGO_MAX_SIZE)!\n"); + } + + /* + * Set addr to decompressed image + */ + bmp = (bmp_image_t *)dst; + + /* + * Check for bmp mark 'BM' + */ + if (!((bmp->header.signature[0] == 'B') && + (bmp->header.signature[1] == 'M'))) { + printf("There is no valid bmp file at the given address\n"); + free(dst); + return(1); + } + + printf("Gzipped BMP image detected!\n"); +#else /* CONFIG_VIDEO_BMP_GZIP */ printf("There is no valid bmp file at the given address\n"); return(1); +#endif /* CONFIG_VIDEO_BMP_GZIP */ } 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)); + +#ifdef CONFIG_VIDEO_BMP_GZIP + if (dst) { + free(dst); + } +#endif /* CONFIG_VIDEO_BMP_GZIP */ + return(0); } @@ -115,11 +174,18 @@ static int bmp_info(ulong addr) * Return: None * */ -static int bmp_display(ulong addr) +static int bmp_display(ulong addr, int x, int y) { - extern int lcd_display_bitmap (ulong); +#if defined(CONFIG_LCD) + extern int lcd_display_bitmap (ulong, int, int); - return (lcd_display_bitmap (addr)); + return (lcd_display_bitmap (addr, x, y)); +#elif defined(CONFIG_VIDEO) + extern int video_display_bitmap (ulong, int, int); + return (video_display_bitmap (addr, x, y)); +#else +# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO +#endif } #endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */