blob: 96988254c6d7c51be276e82270827f75f60f9463 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "utils.h"
char *strndup(const char *s, size_t n)
{
size_t len = 0;
char *res;
while (len < n && s[len] != '\0')
len++;
res = malloc(len + 1);
if (res == NULL)
return NULL;
res[len] = '\0';
return memcpy(res, s, len);
}
/**
* Convert raw font units to units normalised with a design size of 1000
*
* \param raw Raw value from file
* \param ppem Design size of font
* \return Converted value
*/
long convert_units(long raw, long ppem)
{
if (ppem == 1000)
return raw;
return (raw * 1000) / ppem;
}
|
