Auto merge of #6143 - michaelwu:truetype-only, r=pcwalton

I have a number of pcf fonts installed. One of them is Adobe Helvetica, and it turns out many websites try to use Helvetica. This crashes servo.

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This commit is contained in:
bors-servo 2015-05-20 02:36:43 -05:00
commit 165bfd6d5f

View file

@ -31,6 +31,7 @@ use std::ptr;
static FC_FAMILY: &'static [u8] = b"family\0";
static FC_FILE: &'static [u8] = b"file\0";
static FC_INDEX: &'static [u8] = b"index\0";
static FC_FONTFORMAT: &'static [u8] = b"fontformat\0";
pub fn get_available_families<F>(mut callback: F) where F: FnMut(String) {
unsafe {
@ -39,7 +40,20 @@ pub fn get_available_families<F>(mut callback: F) where F: FnMut(String) {
for i in 0..((*fontSet).nfont as isize) {
let font = (*fontSet).fonts.offset(i);
let mut family: *mut FcChar8 = ptr::null_mut();
let mut format: *mut FcChar8 = ptr::null_mut();
let mut v: c_int = 0;
if FcPatternGetString(*font, FC_FONTFORMAT.as_ptr() as *mut c_char, v, &mut format) != FcResultMatch {
continue;
}
// Skip bitmap fonts. They aren't supported by FreeType.
let fontformat = c_str_to_string(format as *const c_char);
if fontformat != "TrueType" &&
fontformat != "CFF" &&
fontformat != "Type 1" {
continue;
}
while FcPatternGetString(*font, FC_FAMILY.as_ptr() as *mut c_char, v, &mut family) == FcResultMatch {
let family_name = c_str_to_string(family as *const c_char);
callback(family_name);