pix_conv.c

来自「国产CPU－龙芯（loongson)BIOS源代码」· C语言 代码 · 共 70 行

#include <stdio.h>
inline void flush(char *buf, int off);
    
char default_inname[]="test.bmp";
char default_outname[]="test.h";

int main(int argc, char *argv[])
{
    char *in_fname=default_inname;
    char *out_fname=default_outname;
    FILE *fp,*fp1;
    char pix;
    char buf[9];
    int i = 0;
    int j = 0;

    if (argc > 1)
	in_fname = argv[1];
    if (argc > 2)
	out_fname = argv[2];
    fp = fopen(in_fname, "r");
    if (fp == NULL)
    {
	perror("fopen");
	return -1;
    }

    fp1 = fopen(out_fname, "w");
    if (fp1 == NULL)
    {
	perror("fopen");
	return -1;
    }

    i = 0;
    fseek(fp, 62, SEEK_SET);
    while (!feof(fp))
    {
	fread(&pix, 1, 1, fp);
	sprintf(buf + ((i % 4)<<1),"%02x", pix);
	flush(buf, (i % 4)*2+2);
	if(!((i+1) % 4))
	{
	    fprintf(fp1,"0x");
	    for (j = 0; j<= 2*(i%4)+1; j++)
		fprintf(fp1,"%c", buf[j]);
	    fprintf(fp1,", ");
	}
	i++;
	if (!(i % 32))
	    fprintf(fp1,"\n");
    }
    if ((i - 1) % 4)
	    fprintf(fp1,"0x%s, ", buf);
    
    printf("i=%d\n", i);
    fclose(fp);
    fclose(fp1);
    return 0;
}

inline void flush(char *buf, int off)
{
    int i = 0;
    for (i = off; i < sizeof(buf); i++)
    {
	buf[i]=0x00;
    }
}