diff options
Diffstat (limited to 'commands/bmp.c')
| -rw-r--r-- | commands/bmp.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/commands/bmp.c b/commands/bmp.c deleted file mode 100644 index 4130474931..0000000000 --- a/commands/bmp.c +++ /dev/null @@ -1,221 +0,0 @@ -#include <common.h> -#include <command.h> -#include <fs.h> -#include <linux/stat.h> -#include <errno.h> -#include <malloc.h> -#include <getopt.h> -#include <fcntl.h> -#include <fb.h> -#include <bmp_layout.h> -#include <asm/byteorder.h> - -static inline void set_pixel(struct fb_info *info, void *adr, int r, int g, int b) -{ - u32 px; - - px = (r >> (8 - info->red.length)) << info->red.offset | - (g >> (8 - info->green.length)) << info->green.offset | - (b >> (8 - info->blue.length)) << info->blue.offset; - - switch (info->bits_per_pixel) { - case 8: - break; - case 16: - *(u16 *)adr = px; - break; - case 32: - *(u32 *)adr = px; - break; - } -} - -static int do_bmp(int argc, char *argv[]) -{ - int ret, opt, fd; - char *fbdev = "/dev/fb0"; - void *fb, *offscreenbuf = NULL; - struct fb_info info; - struct bmp_image *bmp; - char *bmpfile; - int bmpsize; - char *image; - int sw, sh, width, height, startx = -1, starty = -1; - int bits_per_pixel, fbsize; - int xres, yres; - int offscreen = 0; - void *adr, *buf; - - while((opt = getopt(argc, argv, "f:x:y:o")) > 0) { - switch(opt) { - case 'f': - fbdev = optarg; - break; - case 'x': - startx = simple_strtoul(optarg, NULL, 0); - break; - case 'y': - starty = simple_strtoul(optarg, NULL, 0); - case 'o': - offscreen = 1; - } - } - - if (optind == argc) { - printf("no filename given\n"); - return 1; - } - bmpfile = argv[optind]; - - fd = open(fbdev, O_RDWR); - if (fd < 0) { - perror("open"); - return 1; - } - - fb = memmap(fd, PROT_READ | PROT_WRITE); - if (fb == (void *)-1) { - perror("memmap"); - goto failed_memmap; - } - - ret = ioctl(fd, FBIOGET_SCREENINFO, &info); - if (ret) { - perror("ioctl"); - goto failed_memmap; - } - - xres = info.xres; - yres = info.yres; - - bmp = read_file(bmpfile, &bmpsize); - if (!bmp) { - printf("unable to read %s\n", bmpfile); - goto failed_memmap; - } - - if (bmp->header.signature[0] != 'B' || - bmp->header.signature[1] != 'M') { - printf("No valid bmp file\n"); - } - - sw = le32_to_cpu(bmp->header.width); - sh = le32_to_cpu(bmp->header.height); - - if (startx < 0) { - startx = (xres - sw) / 2; - if (startx < 0) - startx = 0; - } - - if (starty < 0) { - starty = (yres - sh) / 2; - if (starty < 0) - starty = 0; - } - - width = min(sw, xres - startx); - height = min(sh, yres - starty); - - bits_per_pixel = le16_to_cpu(bmp->header.bit_count); - fbsize = xres * yres * (info.bits_per_pixel >> 3); - - if (offscreen) { - /* Don't fail if malloc fails, just continue rendering directly - * on the framebuffer - */ - offscreenbuf = malloc(fbsize); - if (offscreenbuf) - memcpy(offscreenbuf, fb, fbsize); - } - - buf = offscreenbuf ? offscreenbuf : fb; - - if (bits_per_pixel == 8) { - int x, y; - struct bmp_color_table_entry *color_table = bmp->color_table; - - for (y = 0; y < height; y++) { - image = (char *)bmp + - le32_to_cpu(bmp->header.data_offset); - image += (sh - y - 1) * sw * (bits_per_pixel >> 3); - adr = buf + ((y + starty) * xres + startx) * - (info.bits_per_pixel >> 3); - for (x = 0; x < width; x++) { - int pixel; - - pixel = *image; - - set_pixel(&info, adr, color_table[pixel].red, - color_table[pixel].green, - color_table[pixel].blue); - adr += info.bits_per_pixel >> 3; - - image += bits_per_pixel >> 3; - } - } - } else if (bits_per_pixel == 24) { - int x, y; - - for (y = 0; y < height; y++) { - image = (char *)bmp + - le32_to_cpu(bmp->header.data_offset); - image += (sh - y - 1) * sw * (bits_per_pixel >> 3); - adr = buf + ((y + starty) * xres + startx) * - (info.bits_per_pixel >> 3); - for (x = 0; x < width; x++) { - char *pixel; - - pixel = image; - - set_pixel(&info, adr, pixel[2], pixel[1], - pixel[0]); - adr += info.bits_per_pixel >> 3; - - image += bits_per_pixel >> 3; - } - } - } else - printf("bmp: illegal bits per pixel value: %d\n", bits_per_pixel); - - if (offscreenbuf) { - memcpy(fb, offscreenbuf, fbsize); - free(offscreenbuf); - } - - free(bmp); - close(fd); - - return 0; - -failed_memmap: - close(fd); - - return 1; -} - -BAREBOX_CMD_HELP_START(bmp) -BAREBOX_CMD_HELP_USAGE("bmp [OPTIONS] FILE\n") -BAREBOX_CMD_HELP_SHORT("Show the bitmap FILE on the framebuffer.\n") -BAREBOX_CMD_HELP_OPT ("-f <fb>", "framebuffer device (/dev/fb0)\n") -BAREBOX_CMD_HELP_OPT ("-x <xofs>", "x offset (default center)\n") -BAREBOX_CMD_HELP_OPT ("-y <yofs>", "y offset (default center)\n") -BAREBOX_CMD_HELP_OPT ("-o", "render offscreen\n") -BAREBOX_CMD_HELP_END - -/** - * @page bmp_command - -This command displays a graphics in the bitmap (.bmp) format on the -framebuffer. Currently the bmp command supports images with 8 and 24 bit -color depth. - -\todo What does the -o (offscreen) option do? - - */ - -BAREBOX_CMD_START(bmp) - .cmd = do_bmp, - .usage = "show a bmp image", - BAREBOX_CMD_HELP(cmd_bmp_help) -BAREBOX_CMD_END |