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use std::ffi::CString; use std::ops::Deref; use super::{Ass, Bitmap, Flags, Text, Type}; use ffi::*; use libc::c_int; pub enum RectMut<'a> { None(*mut AVSubtitleRect), Bitmap(BitmapMut<'a>), Text(TextMut<'a>), Ass(AssMut<'a>), } impl<'a> RectMut<'a> { pub unsafe fn wrap(ptr: *mut AVSubtitleRect) -> Self { match Type::from((*ptr).type_) { Type::None => RectMut::None(ptr), Type::Bitmap => RectMut::Bitmap(BitmapMut::wrap(ptr)), Type::Text => RectMut::Text(TextMut::wrap(ptr)), Type::Ass => RectMut::Ass(AssMut::wrap(ptr)), } } pub unsafe fn as_ptr(&self) -> *const AVSubtitleRect { match *self { RectMut::None(ptr) => ptr as *const _, RectMut::Bitmap(ref b) => b.as_ptr(), RectMut::Text(ref t) => t.as_ptr(), RectMut::Ass(ref a) => a.as_ptr(), } } pub unsafe fn as_mut_ptr(&mut self) -> *mut AVSubtitleRect { match *self { RectMut::None(ptr) => ptr, RectMut::Bitmap(ref mut b) => b.as_mut_ptr(), RectMut::Text(ref mut t) => t.as_mut_ptr(), RectMut::Ass(ref mut a) => a.as_mut_ptr(), } } } impl<'a> RectMut<'a> { pub fn flags(&self) -> Flags { unsafe { Flags::from_bits_truncate(match *self { RectMut::None(ptr) => (*ptr).flags, RectMut::Bitmap(ref b) => (*b.as_ptr()).flags, RectMut::Text(ref t) => (*t.as_ptr()).flags, RectMut::Ass(ref a) => (*a.as_ptr()).flags, }) } } } pub struct BitmapMut<'a> { immutable: Bitmap<'a>, } impl<'a> BitmapMut<'a> { pub unsafe fn wrap(ptr: *mut AVSubtitleRect) -> Self { BitmapMut { immutable: Bitmap::wrap(ptr as *const _), } } pub unsafe fn as_mut_ptr(&mut self) -> *mut AVSubtitleRect { self.as_ptr() as *mut _ } } impl<'a> BitmapMut<'a> { pub fn set_x(&mut self, value: usize) { unsafe { (*self.as_mut_ptr()).x = value as c_int; } } pub fn set_y(&mut self, value: usize) { unsafe { (*self.as_mut_ptr()).y = value as c_int; } } pub fn set_width(&mut self, value: u32) { unsafe { (*self.as_mut_ptr()).w = value as c_int; } } pub fn set_height(&mut self, value: u32) { unsafe { (*self.as_mut_ptr()).h = value as c_int; } } pub fn set_colors(&mut self, value: usize) { unsafe { (*self.as_mut_ptr()).nb_colors = value as c_int; } } } impl<'a> Deref for BitmapMut<'a> { type Target = Bitmap<'a>; fn deref(&self) -> &Self::Target { &self.immutable } } pub struct TextMut<'a> { immutable: Text<'a>, } impl<'a> TextMut<'a> { pub unsafe fn wrap(ptr: *mut AVSubtitleRect) -> Self { TextMut { immutable: Text::wrap(ptr as *const _), } } pub unsafe fn as_mut_ptr(&mut self) -> *mut AVSubtitleRect { self.as_ptr() as *mut _ } } impl<'a> TextMut<'a> { pub fn set(&mut self, value: &str) { let value = CString::new(value).unwrap(); unsafe { (*self.as_mut_ptr()).text = av_strdup(value.as_ptr()); } } } impl<'a> Deref for TextMut<'a> { type Target = Text<'a>; fn deref(&self) -> &Self::Target { &self.immutable } } pub struct AssMut<'a> { immutable: Ass<'a>, } impl<'a> AssMut<'a> { pub unsafe fn wrap(ptr: *mut AVSubtitleRect) -> Self { AssMut { immutable: Ass::wrap(ptr), } } pub unsafe fn as_mut_ptr(&mut self) -> *mut AVSubtitleRect { self.as_ptr() as *mut _ } } impl<'a> AssMut<'a> { pub fn set(&mut self, value: &str) { let value = CString::new(value).unwrap(); unsafe { (*self.as_mut_ptr()).ass = av_strdup(value.as_ptr()); } } } impl<'a> Deref for AssMut<'a> { type Target = Ass<'a>; fn deref(&self) -> &Self::Target { &self.immutable } }