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use glib::translate::*;
use pango_sys;
use std::mem;
use std::ptr;
use Rectangle;
glib_wrapper! {
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct LayoutLine(Shared<pango_sys::PangoLayoutLine>);
match fn {
ref => |ptr| pango_sys::pango_layout_line_ref(ptr),
unref => |ptr| pango_sys::pango_layout_line_unref(ptr),
get_type => || pango_sys::pango_layout_line_get_type(),
}
}
impl LayoutLine {
pub fn get_extents(&self) -> (Rectangle, Rectangle) {
unsafe {
let mut ink_rect = Rectangle::uninitialized();
let mut logical_rect = Rectangle::uninitialized();
pango_sys::pango_layout_line_get_extents(
self.to_glib_none().0,
ink_rect.to_glib_none_mut().0,
logical_rect.to_glib_none_mut().0,
);
(ink_rect, logical_rect)
}
}
pub fn get_pixel_extents(&self) -> (Rectangle, Rectangle) {
unsafe {
let mut ink_rect = Rectangle::uninitialized();
let mut logical_rect = Rectangle::uninitialized();
pango_sys::pango_layout_line_get_pixel_extents(
self.to_glib_none().0,
ink_rect.to_glib_none_mut().0,
logical_rect.to_glib_none_mut().0,
);
(ink_rect, logical_rect)
}
}
pub fn get_x_ranges(&self, start_index: i32, end_index: i32) -> Vec<i32> {
unsafe {
let mut ranges = ptr::null_mut();
let mut n_ranges = mem::uninitialized();
pango_sys::pango_layout_line_get_x_ranges(
self.to_glib_none().0,
start_index,
end_index,
&mut ranges,
&mut n_ranges,
);
FromGlibContainer::from_glib_full_num(ranges, n_ranges as usize)
}
}
pub fn index_to_x(&self, index_: i32, trailing: bool) -> i32 {
unsafe {
let mut x_pos = mem::uninitialized();
pango_sys::pango_layout_line_index_to_x(
self.to_glib_none().0,
index_,
trailing.to_glib(),
&mut x_pos,
);
x_pos
}
}
pub fn x_to_index(&self, x_pos: i32) -> Option<(i32, i32)> {
unsafe {
let mut index_ = mem::uninitialized();
let mut trailing = mem::uninitialized();
let ret = from_glib(pango_sys::pango_layout_line_x_to_index(
self.to_glib_none().0,
x_pos,
&mut index_,
&mut trailing,
));
if ret {
Some((index_, trailing))
} else {
None
}
}
}
}
