static int text_width(const char *text)
{
int len = strlen(text);
int state = STATE_ENGLISH, start, i, total, chars, width = 0;
for (i = 0, total = 0, start = 0, chars = 0;
i < len; total++, i += chars)
{
int newstate;
unsigned int ch = sgetu8((unsigned char *) (text + i), &chars);
if (ch == EOF)
break;
newstate = is_chinese(ch);
if (i == 0)
state = newstate;
if (state != newstate && i - 1 > start)
{
width += text_width_in_state(state, text + start, i - start);
start = i;
state = newstate;
total = 0;
}
}
width += text_width_in_state(state, text + start, i - start);
return width;
}
static void draw_text(SDL_Surface *sur,
const char *text,
int x, int y,
SDL_Color color)
{
int len = strlen(text);
int state = STATE_ENGLISH, start, i, total, chars;
for (i = 0, total = 0, start = 0, chars = 0;
i < len; total++, i += chars)
{
int newstate;
unsigned int ch = sgetu8((unsigned char *) (text + i), &chars);
if (ch == EOF)
break;
newstate = is_chinese(ch);
if (i == 0)
state = newstate;
if (state != newstate && i - 1 > start)
{
x += draw_part_text(sur, state,
text + start,
i - start,
x, y, color);
start = i;
state = newstate;
total = 0;
}
}
// There may be some remaining text
draw_part_text(sur, state, text + start,
i - start, x, y, color);
}
char *create_tidy_str(const char *fin_path, char **pbuf, int* plen)
{
FILE *fp_in, *fp_out;
fp_in = fopen(fin_path,"rb");
if(fp_in == NULL)
{
return;
}
fseek(fp_in, 0L, SEEK_END);
int size = ftell(fp_in);
fseek(fp_in, 0L, SEEK_SET);
char *buf,*buf2;
buf = (char*)malloc(size+1);
buf2 = (char*)malloc(size+1);
int len = fread(buf,1,size,fp_in);
buf[len] = '\0';
bzero(buf2,size+1);
char *p = buf;
char *p2 = buf2;
char *start = buf;
int n;
// 汉字或汉字之后EN_LENGHT个英文之内保留
do
{
// TODO is_chinese -> !is_ascii
if(is_chinese(p))
{
write_chinese(&p, &p2);
start = p;
}
else
{
//printf("end:0x%x,p:0x%x\n",buf+len,p);
// 非英文不保留,英文则保留有限位数
// TODO 判断英文不正确 会有一个英文多出来
if(!is_english(p))
{
start = buf;
p = forward_a_char(p);
}
else if(get_word_n(start, p - start) <= EN_LENGHT)
{
n = get_word_n(p, 1);
memcpy(p2, p, n);
p += n;
p2 += n;
}
else if(get_word_n(start, p - start) == EN_LENGHT + 1)
{
addsep(&p2);
p = forward_a_char(p);
}
else
{
p = forward_a_char(p);
}
}
}while(*p != '\0');
free(buf);
fclose(fp_in);
*pbuf = buf2;
*plen = strlen(buf2);
return *pbuf;
}