/* Return length/coordinate in points */
float
svg_parse_length(const char *str, float percent, float font_size)
{
char *end;
float val;
val = fz_strtof(str, &end);
if (end == str)
return 0; /* failed */
if (!strcmp(end, "px")) return val;
if (!strcmp(end, "pt")) return val * 1.0f;
if (!strcmp(end, "pc")) return val * 12.0f;
if (!strcmp(end, "mm")) return val * 2.83464567f;
if (!strcmp(end, "cm")) return val * 28.3464567f;
if (!strcmp(end, "in")) return val * 72.0f;
if (!strcmp(end, "em")) return val * font_size;
if (!strcmp(end, "ex")) return val * font_size * 0.5f;
if (!strcmp(end, "%"))
return val * percent * 0.01f;
if (end[0] == 0)
return val;
return 0;
}
/* Return angle in degrees */
float
svg_parse_angle(const char *str)
{
char *end;
float val;
val = fz_strtof(str, &end);
if (end == str)
return 0; /* failed */
if (!strcmp(end, "deg"))
return val;
if (!strcmp(end, "grad"))
return val * 0.9f;
if (!strcmp(end, "rad"))
return val * FZ_RADIAN;
return val;
}
static char *
xps_parse_float_array(fz_context *ctx, xps_document *doc, char *s, int num, float *x)
{
int k = 0;
if (s == NULL || *s == 0)
return NULL;
while (*s)
{
while (*s == 0x0d || *s == '\t' || *s == ' ' || *s == 0x0a)
s++;
x[k] = fz_strtof(s, &s);
while (*s == 0x0d || *s == '\t' || *s == ' ' || *s == 0x0a)
s++;
if (*s == ',')
s++;
if (++k == num)
break;
}
return s;
}