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Simplify FontHandle::new_from_template

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This commit is contained in:
Matt Brubeck 2016-05-18 12:21:49 -07:00
parent 1a61273e1e
commit 477258f11b
1 changed files with 9 additions and 22 deletions
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27
components/gfx/platform/freetype/font.rs
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@ -73,22 +73,14 @@ impl FontHandleMethods for FontHandle {
let ft_ctx: FT_Library = fctx.ctx.ctx;
if ft_ctx.is_null() { return Err(()); }
let face_result = create_face_from_buffer(ft_ctx, &template.bytes, pt_size);
// TODO: this could be more simply written as result::chain
// and moving buf into the struct ctor, but cant' move out of
// captured binding.
return match face_result {
Ok(face) => {
return create_face_from_buffer(ft_ctx, &template.bytes, pt_size).map(|face| {
let handle = FontHandle {
face: face,
font_data: template.clone(),
handle: fctx.clone()
};
Ok(handle)
}
Err(()) => Err(())
handle: fctx.clone(),
};
handle
});
fn create_face_from_buffer(lib: FT_Library, buffer: &[u8], pt_size: Option<Au>)
-> Result<FT_Face, ()> {
@ -101,15 +93,10 @@ impl FontHandleMethods for FontHandle {
if !result.succeeded() || face.is_null() {
return Err(());
}
match pt_size {
Some(s) => {
match FontHandle::set_char_size(face, s) {
Ok(_) => Ok(face),
Err(_) => Err(()),
}
}
None => Ok(face),
if let Some(s) = pt_size {
try!(FontHandle::set_char_size(face, s).or(Err(())))
}
Ok(face)
}
}
}