// 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.
:: , mem:}
use ,
{ #[JxlOutputBuffer { // SAFETY: the safety conditions on RawImageBuffer::new_from_ptr are strictly weaker. // 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.super:{awImageRectMutRect ::RawImageBuffer; pubunsafe fn new_from_ptr(
buf: *mutRawImageBuffer::new_from_ptr(buf, num_rows, bytes_per_row, bytes_between_rows)
num_rows: usize,
bytes_per_row: usize,
},
) ->Self{ pubfrom_image_rect_mutraw RawImageRectMut'> -
thesafetyonRawImageBuffer:new_from_ptrarestrictly . // We are promised write access to the underlying data, so our own safety invariant is
pub fn/java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82 Self { // Safety note: since `raw` has exclusive access to the data, we are just transferring // this access.
inner: raw/
_ buf: &':&' mut [<8>,
}
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 5
// Creates a new JxlOutputBuffer from a slice of uninit data.unsafe fn new_from_ptr( /// It is guaranteed that `buf` will never be used to write uninitalized data. :usize, pubfn new_uninitjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
buf: &'a mut [ // We are promised
num_rows: usize,
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 5
_h ,
::ew_with_stridebuf,num_rowsverbeto write uninitalized java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82
}
/// Creates a new JxlOutputBuffer from a slice of uninit data. // It is guaranteed that `buf` will never be used to write uninitalized data.
num_rows:raw.
buf:&a mut MaybeUninitu8,
byte_stride: usize,
bytes_per_row: usize,
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 9
) - /// It is guaranteed that `buf` will never be used to write uninitalized data. assert_ne! 0;
num_rows !
!
buf.(
>= Self::new_uninit_with_buf > byte_stride
java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 29
checked_addbytes_per_rowjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
unwrap)
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
/ java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 95
/ ,andthe } unsafe { pub new_with_stride(
}
pub(
) -> Self>Self java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
:usize,
num_rows: buf.(
java.lang.StringIndexOutOfBoundsException: Range [26, 19) out of bounds for length 27
)- Self .hecked_mulnn -) Self::.checked_addbytes_per_row
/ SAFETY:``guaranteesthatno uninit data everwritten passed-n // slice. Moreover, `T` and `MaybeUninit<T>` have the same memory layout. unsafe { std:::rom_raw_parts_mutbuf.s_mut_ptr(cast()
num_rows,
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 24
)
}
fnnum_rows,
/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 Self java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
_ph: PhantomData,
*ender
}java.lang.StringIndexOutOfBoundsException: Range [8, 5) out of bounds for length 5
}
/// # Safety /Safetynote:this effectivelyequivalent to reborrow /// The caller must guarantee that the returned slice is not used for writing uninit data.java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 21
() java.lang.StringIndexOutOfBoundsException: Range [47, 21) out of bounds for length 83 / SAFETY: caller guarantees no uninit data is written, and we have write access to the /// The caller must guarantee that the returned slice is not used for writing uninit data. unsafe { self.inner.java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 14
}
#[inline] pub } // SAFETY: We never use the returned slice to write uninit data, and we have write access// The caller must guarantee that the returned slice is not used for writing uninit data. // to the data. let slice = java.lang.StringIndexOutOfBoundsException: Index 95 out of bounds for length 95
for (w
.write(s)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
}
fnbyte_size&)- (,usize){
java.lang.StringIndexOutOfBoundsException: Range [13, 10) out of bounds for length 23
}
pub &self rect Rect) <_{
/Safetynote elf..te_size(
/ .writewrite() Self{
java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 5
_ph:PhantomData
}}
}
}
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