use std::ptr::null_mut;
use {ffi, Bitmap};
pub struct BitmapGlyph {
library_raw: ffi::FT_Library,
raw: ffi::FT_BitmapGlyph,
}
impl BitmapGlyph {
pub unsafe fn from_raw(library_raw: ffi::FT_Library, raw: ffi::FT_BitmapGlyph) -> Self {
ffi::FT_Reference_Library(library_raw);
BitmapGlyph { library_raw, raw }
}
#[inline(always)]
pub fn left(&self) -> i32 {
unsafe { (*self.raw).left }
}
#[inline(always)]
pub fn top(&self) -> i32 {
unsafe { (*self.raw).top }
}
#[inline(always)]
pub fn bitmap(&self) -> Bitmap {
unsafe { Bitmap::from_raw(&(*self.raw).bitmap) }
}
#[inline(always)]
pub fn raw(&self) -> &ffi::FT_BitmapGlyphRec {
unsafe { &*self.raw }
}
}
impl Clone for BitmapGlyph {
fn clone(&self) -> Self {
let mut target = null_mut();
let err = unsafe { ffi::FT_Glyph_Copy(self.raw as ffi::FT_Glyph, &mut target) };
if err == ffi::FT_Err_Ok {
unsafe { BitmapGlyph::from_raw(self.library_raw, target as ffi::FT_BitmapGlyph) }
} else {
panic!("Failed to copy bitmap glyph")
}
}
}
impl Drop for BitmapGlyph {
fn drop(&mut self) {
let err = unsafe {
ffi::FT_Done_Glyph(self.raw as ffi::FT_Glyph);
ffi::FT_Done_Library(self.library_raw)
};
if err != ffi::FT_Err_Ok {
panic!("Failed to drop library")
}
}
}