/***************************************************************
**
** Broadcom Corp. Confidential
** Copyright 2002 Broadcom Corp. All Rights Reserved.
**
** THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED 
** SOFTWARE LICENSE AGREEMENT BETWEEN THE USER AND BROADCOM. 
** YOU HAVE NO RIGHT TO USE OR EXPLOIT THIS MATERIAL EXCEPT 
** SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
**
** Description: Create SGIL bitmap fonts from freetype fonts.
**
** Created: 8/22/2002 by Jeffrey P. Fisher
**
**
**
****************************************************************/

#include <stdio.h>

void print_usage(char *argv[])
{
	printf("Usage:  %s [options] <filename>\n",argv[0]);
	printf("  Create a C data array from the binary contents of the file.\n");
	printf("  An output file is created with \".c\" appended to the filename.\n");
	printf("  -h		Usage information.\n");
}

/****************************************************************
* INPUTS:		arc - argument count
*			    argv - array of arguments
* OUTPUTS:		none
* RETURNS:		non-zero on failure
* DESCRIPTION:  Main entry point convert fonts to raw bitmap.
*
****************************************************************/
int main(int argc, char *argv[])
{
	int i,len;
	FILE* fin,*fout;
	char *dot_ptr;
	unsigned char *ptr;
	static char out_name[1024];;

	if (argc != 2 )
	{
		print_usage(argv);
		return 0;
	}

	fin = fopen(argv[1],"rb");

	/* Parse arguments */
	for (i = 1; i < argc; ++i)
	{
		if ((strcmp(argv[i],"-h") == 0) || (strcmp(argv[i],"-H") == 0))
		{
			print_usage(argv);
			return 0;
		}

	}
	
	dot_ptr = strstr(argv[1],".");

	if (!dot_ptr)
	{
		sprintf(out_name,"%s.c",argv[1]);
	}
	else
	{
		strcpy(out_name,argv[1]);
		dot_ptr[0] = 0;
		sprintf(out_name,"%s.c",argv[1]);
	}

	printf("Creating file %s...\n",out_name);
	fout = fopen(out_name,"w+");
	if (!fin || !fout)
	{
		return -1;
	}

	fseek(fin,0,SEEK_END);
	len = ftell(fin);
	fseek(fin,0,SEEK_SET);
	ptr = (unsigned char*)malloc(len);
	if (fread(ptr,1,len,fin) != len)
	{
		return -1;
	}

	fprintf(fout,"const unsigned char g_%s[] = \n{\n\t",argv[1]);
	for (i = 0; i < len; i++)
	{
		if (i % 8 == 0)
		{
			fprintf(fout,"\n\t");
		}
		fprintf(fout,"0x%02x, ",ptr[i]);
	}

	fprintf(fout,"\n};\nunsigned int g_%s_size = %d;\n",argv[1],len);
	
	fclose(fin);
	fclose(fout);
	free(ptr);
	return 0;
}