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Add a FrameBuffer::into_buffer method for taking ownership #319

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Merged
merged 3 commits into from
Jan 9, 2023
Merged

Add a FrameBuffer::into_buffer method for taking ownership #319

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d97db09
Modify lifetimes in buffer and buffer_mut methods
asensio-project Jan 8, 2023
e49d58b
Fix an issue of ownership
asensio-project Jan 8, 2023
dfb5f1e
Improve docs
phil-opp Jan 9, 2023
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8 changes: 8 additions & 0 deletions api/src/info.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,14 @@ impl FrameBuffer {
unsafe { self.create_buffer_mut() }
}

/// Converts the frame buffer to a raw byte slice.
///
/// The same as `buffer_mut()` but takes the ownership and returns the
/// mutable buffer with a `'static` lifetime.
pub fn into_buffer(self) -> &'static mut [u8] {
unsafe { self.create_buffer_mut() }
}

unsafe fn create_buffer<'a>(&self) -> &'a [u8] {
unsafe { slice::from_raw_parts(self.buffer_start as *const u8, self.info.byte_len) }
}
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