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#include <common.h>
#include <command.h>
#include <errno.h>
#include <malloc.h>
#include <getopt.h>
#include <fb.h>
#include <gui/image_renderer.h>
#include <gui/graphic_utils.h>

static int do_splash(int argc, char *argv[])
{
	struct surface s;
	struct screen *sc;
	int ret = 0;
	int opt;
	char *fbdev = "/dev/fb0";
	char *image_file;
	u32 bg_color = 0x00000000;
	bool do_bg = false;
	void *buf;

	memset(&s, 0, sizeof(s));

	s.x = -1;
	s.y = -1;
	s.width = -1;
	s.height = -1;

	while((opt = getopt(argc, argv, "f:x:y:ob:")) > 0) {
		switch(opt) {
		case 'f':
			fbdev = optarg;
			break;
		case 'b':
			bg_color = simple_strtoul(optarg, NULL, 0);
			do_bg = true;
			break;
		case 'x':
			s.x = simple_strtoul(optarg, NULL, 0);
			break;
		case 'y':
			s.y = simple_strtoul(optarg, NULL, 0);
			break;
		}
	}

	if (optind == argc) {
		printf("no filename given\n");
		return 1;
	}
	image_file = argv[optind];

	sc = fb_open(fbdev);
	if (IS_ERR(sc)) {
		perror("fd_open");
		return PTR_ERR(sc);
	}

	buf = gui_screen_render_buffer(sc);

	if (do_bg)
		gu_memset_pixel(sc->info, buf, bg_color,
				sc->s.width * sc->s.height);

	ret = image_renderer_file(sc, &s, image_file);
	if (ret > 0)
		ret = 0;

	gu_screen_blit(sc);

	fb_close(sc);

	return ret;
}

BAREBOX_CMD_HELP_START(splash)
BAREBOX_CMD_HELP_TEXT("This command displays a graphics image of either bitmap (.bmp) format")
BAREBOX_CMD_HELP_TEXT("or Portable Network Graphics (.png) format on the framebuffer.")
BAREBOX_CMD_HELP_TEXT("Currently images with 8 and 24 bit color depth are supported.")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-f FB\t",    "framebuffer device (default /dev/fb0)")
BAREBOX_CMD_HELP_OPT ("-x XOFFS", "x offset (default center)")
BAREBOX_CMD_HELP_OPT ("-y YOFFS", "y offset (default center)")
BAREBOX_CMD_HELP_OPT ("-b COLOR", "background color in 0xttrrggbb")
BAREBOX_CMD_HELP_END

BAREBOX_CMD_START(splash)
	.cmd		= do_splash,
	BAREBOX_CMD_DESC("display a BMP or PNG splash image")
	BAREBOX_CMD_OPTS("[-fxyno] FILE")
	BAREBOX_CMD_GROUP(CMD_GRP_CONSOLE)
	BAREBOX_CMD_HELP(cmd_splash_help)
BAREBOX_CMD_END