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Make upper_blit use transmute instead of match

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Greg M
2014-05-12 15:02:47 -04:00
parent 29bb632899
commit 4dd3be87fa
1 changed files with 3 additions and 10 deletions
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src/sdl2/surface.rs
+3 -10
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@@ -250,16 +250,9 @@ impl Surface {
pub fn upper_blit( &self, src: &Surface, dstrect: Option<Rect>, srcrect: Option<Rect> ) -> bool {
unsafe {
match( srcrect, dstrect ) {
(Some( srcrect ), Some( dstrect )) =>
ll::SDL_UpperBlit( src.raw, &srcrect, self.raw, &dstrect ) == 0,
(Some( srcrect ), None) =>
ll::SDL_UpperBlit( src.raw, &srcrect, self.raw, ptr::null() ) == 0,
(None, Some( dstrect )) =>
ll::SDL_UpperBlit( src.raw, ptr::null(), self.raw, &dstrect ) == 0,
(None, None) =>
ll::SDL_UpperBlit( src.raw, ptr::null(), self.raw, ptr::null() ) == 0
}
let dstrect_ptr = mem::transmute( dstrect.as_ref() );
let srcrect_ptr = mem::transmute( srcrect.as_ref() );
ll::SDL_UpperBlit( src.raw, srcrect_ptr, self.raw, dstrect_ptr ) == 0
}
}