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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 | /* * (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> #if (CONFIG_COMMANDS & CFG_CMD_BMP) static int bmp_info (ulong addr); static int bmp_display (ulong addr, int x, int y); /* * 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; if (!((bmp->header.signature[0]=='B') && (bmp->header.signature[1]=='M'))) { 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)); 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) { #if defined(CONFIG_LCD) extern int lcd_display_bitmap (ulong, int, int); 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) */ |