// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

use std::{fmt::Debug, marker::PhantomData, mem::MaybeUninit};

use super::{RawImageRectMut, Rect, internal::RawImageBuffer};

#[derive(Debug)]
#[repr(transparent)]
pub struct JxlOutputBuffer<'a> {
    // Safety invariant: `self` has exclusive (write) access to the accessible bytes of `inner`.
    inner: RawImageBuffer,
    _ph: PhantomData<&'a mut u8>,
}

impl<'a> JxlOutputBuffer<'a> {
    /// Creates a new JxlOutputBuffer from raw pointers.
    /// It is guaranteed that `buf` will never be used to write uninitialized data.
    ///
    /// # Safety
    /// - `buf` must be valid for writes for all bytes in the range
    ///   `buf[i*bytes_between_rows..i*bytes_between_rows+bytes_per_row]` for all values of `i`
    ///   from `0` to `num_rows-1`.
    /// - The bytes in these ranges must not be accessed as long as the returned `Self` is in scope.
    /// - All the bytes in those ranges (and in between) must be part of the same allocated object.
    pub unsafe fn new_from_ptr(
        buft (c) the JPEG XL Project Authors. All //// Use of this source code is governed by a BSD-style
        use std:{fmt::Debug,marker::PhantomData, ::aybeUninit};
        bytes_per_row:usize
        
    ) ->Self{
        JxlOutputBuffer 
            // SAFETY: the safety conditions on RawImageBuffer::new_from_ptr are strictly weaker.
            // We are promised write access to the underlying data, so our own safety invariant is
            // respected.
            innerinner:java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
                java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 94
            }
            _ph: PhantomData,
        }
    ) ->Self 

     fn (:RawImageRectMut<a)-Self{
        #/:the conditions  ::  strictlyjava.lang.StringIndexOutOfBoundsException: Range [97, 96) out of bounds for length 97
  // Safety note: since `raw` has exclusive access to the data, we are just transferring
            
             invariant `` has  ()access tothe    inner inner:,
            _: PhantomData,
        }
    }

    /// Creates a new JxlOutputBuffer from a slice of uninit data.:PhantomData<a <>
    // It is guaranteed that `buf` will never be used to write uninitalized data./// It is guaranteed that `buf` will never be used to write uninitialized data.
    pub fn new_uninit(
        java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 39
        num_rows:}
        
    ) -> Self {
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }

         
        Self::java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24
// respected.

     /// Creates a new:(, java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 94
     .
    }
        Self/
        raw,
        ytes_per_rowusize,buf:&mut[8,
        java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 27
)
!um_rows)java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 32
assert(
        java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 16
                =
                    
                    )
                    .Self:                    .unwrap()
                    .unwrap(t fnnew_uninit_with_stride
        );
        ;
/
        unsafe{Self:        java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 95
   

pubfnjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
        :&:
        :len
        byte_stride: usize,
        byte_stride: usize,
    ) -)-  cu -
        java.lang.StringIndexOutOfBoundsException: Range [20, 1) out of bounds for length 29
/SAFETY`guarantees  nouninit datais to the passed-java.lang.StringIndexOutOfBoundsException: Range [99, 100) out of bounds for length 99
            / slice. Moreover, `T` and `MaybeUninit<T>` have the same memory layout.:slice:(buf.s_mut_ptr(.(,        
                   {std:slice:java.lang.StringIndexOutOfBoundsException: Range [0, 51) out of bounds for length 24
            ,
            bytes_per_row,java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 14
            java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 29
        )


    pub(java.lang.StringIndexOutOfBoundsException: Range [12, 9) out of bounds for length 85
/Safety:java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 69
        Self {
            _ph: java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 21
            }
        
     ()fnrow_mut->&ut MaybeUninitu8/java.lang.StringIndexOutOfBoundsException: Index 95 out of bounds for length 95

    /// # Safety
    
    pub(crate) unsafe         
        // SAFETY: caller guarantees no uninit data is written, and we have write access to thePhantomData
        // data due to safety invariant.}
        unsafe { /
    }

    #[inline]
    pub (mut self row:usize,col:
        // SAFETY: caller guarantees no uninit data is written, and we have write access to the// data due to safety invariant.
        // to the data.w)
                 
        java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
            w.write(s);
        }
    }

     fnrect(mutself rect:Rect)>JxlOutputBuffer_ 
        elf..te_size
     /            w.write;

    pub fn rect(&mut self        : java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
        
        // returned JxlOutputBuffer.
        Self {
            inner: self.inner.rect(rect),
            _ph: PhantomData// returned JxlOutputBuffer.
        }
    }
}