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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. <!-- Reviewable:start --> [<img src="https://reviewable.io/review_button.png" height=40 alt="Review on Reviewable"/>](https://reviewable.io/reviews/servo/servo/6143) <!-- Reviewable:end -->
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165bfd6d5f
1 changed files with 14 additions and 0 deletions
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@ -31,6 +31,7 @@ use std::ptr;
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static FC_FAMILY: &'static [u8] = b"family\0";
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static FC_FILE: &'static [u8] = b"file\0";
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static FC_INDEX: &'static [u8] = b"index\0";
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static FC_FONTFORMAT: &'static [u8] = b"fontformat\0";
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pub fn get_available_families<F>(mut callback: F) where F: FnMut(String) {
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unsafe {
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@ -39,7 +40,20 @@ pub fn get_available_families<F>(mut callback: F) where F: FnMut(String) {
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for i in 0..((*fontSet).nfont as isize) {
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let font = (*fontSet).fonts.offset(i);
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let mut family: *mut FcChar8 = ptr::null_mut();
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let mut format: *mut FcChar8 = ptr::null_mut();
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let mut v: c_int = 0;
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if FcPatternGetString(*font, FC_FONTFORMAT.as_ptr() as *mut c_char, v, &mut format) != FcResultMatch {
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continue;
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}
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// Skip bitmap fonts. They aren't supported by FreeType.
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let fontformat = c_str_to_string(format as *const c_char);
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if fontformat != "TrueType" &&
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fontformat != "CFF" &&
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fontformat != "Type 1" {
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continue;
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}
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while FcPatternGetString(*font, FC_FAMILY.as_ptr() as *mut c_char, v, &mut family) == FcResultMatch {
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let family_name = c_str_to_string(family as *const c_char);
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callback(family_name);
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