main.c

#include <allegro.h>
#include <stdio.h>
#include <string.h>

void usage()
{
	printf("bitmap conversion tool for truecolor to paletted\nusage:\nbmpconv in <directory>\nbmpconv out <directory>");
}

int w = 0, h = 0, x = 0;
PALETTE pal;

int callback1(const char *fn, int attrib, void *param)
{
	char *ext = get_extension(fn);
	BITMAP *bmp;
	
	if(strcmp(ext, "bmp") && strcmp(ext, "pcx")) return 0;
	bmp = load_bitmap(fn, pal);
	
	w += bmp->w;
	if(bmp->h > h) h = bmp->h;
	
	destroy_bitmap(bmp);
	
	return 0;
}

BITMAP *res;
FILE *txt;
int callback2(const char *fn, int attrib, void *param)
{
	char *ext = get_extension(fn);
	BITMAP *bmp;
	
	if(strcmp(ext, "bmp") && strcmp(ext, "pcx")) return 0;
	
	bmp = load_bitmap(fn, pal);
	blit(bmp, res, 0, 0, x, 0, bmp->w, bmp->h);
	fprintf(txt, "%s %d %d %d\n", get_filename(fn), x, bmp->w, bmp->h);
	x += bmp->w;
	destroy_bitmap(bmp);
	
	printf("processed \"%s\"\n", fn);
	
	return 0;
}

int main(int argc, char **argv)
{
	int in;
	int out;
	char wildc[1024];
	
	if(argc != 3)
	{
		usage();
		return 1;
	}
	
	in = strcmp(argv[1], "in") == 0;
	out = strcmp(argv[1], "out") == 0;
	
	if(!(in || out))
	{
		usage();
		return 1;
	}
	
	allegro_init();
	if(in) set_color_depth(32);
	else if(out) set_color_depth(8);
	printf("%d %d\n", in, out);
	set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0);
	
	strcpy(wildc, argv[2]);
	strcat(wildc, "\\");
	fix_filename_slashes(wildc);
	
	if(in)
	{
		strcat(wildc, "*");
		for_each_file_ex(wildc, FA_NONE, 0, &callback1, 0);
		res = create_bitmap(w, h);
		txt = fopen("tmp.txt", "w");
		for_each_file_ex(wildc, FA_NONE, 0, &callback2, 0);
		fclose(txt);
		save_bitmap("tmp.bmp", res, 0);
		allegro_exit();
	}
	if(out)
	{
		char the_fn[512];
		int x, w, h;
		
		txt = fopen("tmp.txt", "r");
		res = load_bitmap("tmp.bmp", pal);
		
		if((!res) || (!txt))
		{
			printf("can't load files\n");
			return 1;
		}
		
		while(fscanf(txt, "%s %d %d %d", the_fn, &x, &w, &h) == 4)
		{
			char fn[1024];
			BITMAP *bmp = create_bitmap(w, h);
			
			blit(res, bmp, x, 0, 0, 0, w, h);
			strcpy(fn, wildc);
			strcat(fn, the_fn);
			fix_filename_slashes(fn);
			
			save_bitmap(fn, bmp, pal);
			printf("processed \"%s\"\n", fn);
		}
		fclose(txt);
		
		allegro_exit();
	}
	
	return 0;
}
END_OF_MAIN()