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window_draw_list: Use c_char instead of i8

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Target expects a c_char, which happens to be an i8 on x86, but it may be
something else on other platforms (e.g. u8 on ARM).
This commit is contained in:
Malik Olivier Boussejra 2018-05-30 14:25:42 +09:00
parent 485c8a230e
commit 9b0804f6be
1 changed files with 4 additions and 2 deletions
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6
src/window_draw_list.rs
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@ -216,10 +216,12 @@ impl<'ui> WindowDrawList<'ui> {
C: Into<ImColor>, C: Into<ImColor>,
T: AsRef<str>, T: AsRef<str>,
{ {
use std::os::raw::c_char;
let text = text.as_ref(); let text = text.as_ref();
unsafe { unsafe {
let start = text.as_ptr() as *const i8; let start = text.as_ptr() as *const c_char;
let end = (start as usize + text.len()) as *const i8; let end = (start as usize + text.len()) as *const c_char;
sys::ImDrawList_AddText(self.draw_list, pos.into(), col.into().into(), start, end) sys::ImDrawList_AddText(self.draw_list, pos.into(), col.into().into(), start, end)
} }
} }