134 lines
2.8 KiB
C
134 lines
2.8 KiB
C
#include <common.h>
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#include <command.h>
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#include <fs.h>
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#include <linux/stat.h>
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#include <errno.h>
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#include <malloc.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <fb.h>
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#include <gui/image_renderer.h>
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#include <gui/graphic_utils.h>
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static int do_splash(int argc, char *argv[])
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{
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int ret, opt, fd;
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char *fbdev = "/dev/fb0";
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void *fb;
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struct fb_info info;
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char *image_file;
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int startx = -1, starty = -1;
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int xres, yres;
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int offscreen = 0;
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u32 bg_color = 0x00000000;
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bool do_bg = false;
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void *offscreenbuf = NULL;
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while((opt = getopt(argc, argv, "f:x:y:ob:")) > 0) {
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switch(opt) {
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case 'f':
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fbdev = optarg;
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break;
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case 'b':
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bg_color = simple_strtoul(optarg, NULL, 0);
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do_bg = true;
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break;
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case 'x':
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startx = simple_strtoul(optarg, NULL, 0);
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break;
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case 'y':
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starty = simple_strtoul(optarg, NULL, 0);
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case 'o':
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offscreen = 1;
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}
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}
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if (optind == argc) {
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printf("no filename given\n");
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return 1;
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}
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image_file = argv[optind];
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fd = open(fbdev, O_RDWR);
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if (fd < 0) {
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perror("open");
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return 1;
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}
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fb = memmap(fd, PROT_READ | PROT_WRITE);
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if (fb == (void *)-1) {
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perror("memmap");
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goto failed_memmap;
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}
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ret = ioctl(fd, FBIOGET_SCREENINFO, &info);
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if (ret) {
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perror("ioctl");
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goto failed_memmap;
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}
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xres = info.xres;
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yres = info.yres;
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if (offscreen) {
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int fbsize;
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/* Don't fail if malloc fails, just continue rendering directly
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* on the framebuffer
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*/
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fbsize = xres * yres * (info.bits_per_pixel >> 3);
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offscreenbuf = malloc(fbsize);
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if (offscreenbuf) {
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if (do_bg)
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memset_pixel(&info, offscreenbuf, bg_color, xres * yres);
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else
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memcpy(offscreenbuf, fb, fbsize);
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}
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} else if (do_bg) {
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memset_pixel(&info, fb, bg_color, xres * yres);
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}
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if (image_renderer_file(&info, image_file, fb, startx, starty,
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offscreenbuf) < 0)
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ret = 1;
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if (offscreenbuf)
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free(offscreenbuf);
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close(fd);
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return ret;
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failed_memmap:
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close(fd);
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return 1;
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}
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BAREBOX_CMD_HELP_START(splash)
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BAREBOX_CMD_HELP_USAGE("splash [OPTIONS] FILE\n")
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BAREBOX_CMD_HELP_SHORT("Show the bitmap FILE on the framebuffer.\n")
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BAREBOX_CMD_HELP_OPT ("-f <fb>", "framebuffer device (/dev/fb0)\n")
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BAREBOX_CMD_HELP_OPT ("-x <xofs>", "x offset (default center)\n")
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BAREBOX_CMD_HELP_OPT ("-y <yofs>", "y offset (default center)\n")
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BAREBOX_CMD_HELP_OPT ("-b <color>", "background color in 0xttrrggbb\n")
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BAREBOX_CMD_HELP_OPT ("-o", "render offscreen\n")
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BAREBOX_CMD_HELP_END
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/**
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* @page bmp_command
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This command displays a graphics in the bitmap (.bmp) format on the
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framebuffer. Currently the bmp command supports images with 8 and 24 bit
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color depth.
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\todo What does the -o (offscreen) option do?
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*/
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BAREBOX_CMD_START(splash)
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.cmd = do_splash,
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.usage = "show a bmp image",
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BAREBOX_CMD_HELP(cmd_splash_help)
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BAREBOX_CMD_END
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