[−][src]Struct mozjpeg_sys::jpeg_memory_mgr

#[repr(C)]

pub struct jpeg_memory_mgr {
    pub alloc_small: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, sizeofobject: usize) -> *mut c_void>,
    pub alloc_large: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, sizeofobject: usize) -> *mut c_void>,
    pub alloc_sarray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, samplesperrow: JDIMENSION, numrows: JDIMENSION) -> JSAMPARRAY_MUT>,
    pub alloc_barray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, blocksperrow: JDIMENSION, numrows: JDIMENSION) -> JBLOCKARRAY>,
    pub request_virt_sarray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, pre_zero: boolean, samplesperrow: JDIMENSION, numrows: JDIMENSION, maxaccess: JDIMENSION) -> *mut jvirt_sarray_control>,
    pub request_virt_barray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, pre_zero: boolean, blocksperrow: JDIMENSION, numrows: JDIMENSION, maxaccess: JDIMENSION) -> *mut jvirt_barray_control>,
    pub realize_virt_arrays: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct)>,
    pub access_virt_sarray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, ptr: *mut jvirt_sarray_control, start_row: JDIMENSION, num_rows: JDIMENSION, writable: boolean) -> JSAMPARRAY_MUT>,
    pub access_virt_barray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, ptr: *mut jvirt_barray_control, start_row: JDIMENSION, num_rows: JDIMENSION, writable: boolean) -> JBLOCKARRAY>,
    pub free_pool: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int)>,
    pub self_destruct: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct)>,
    pub max_memory_to_use: c_long,
    pub max_alloc_chunk: c_long,
}

Fields

alloc_small: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, sizeofobject: usize) -> *mut c_void>alloc_large: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, sizeofobject: usize) -> *mut c_void>alloc_sarray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, samplesperrow: JDIMENSION, numrows: JDIMENSION) -> JSAMPARRAY_MUT>alloc_barray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, blocksperrow: JDIMENSION, numrows: JDIMENSION) -> JBLOCKARRAY>request_virt_sarray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, pre_zero: boolean, samplesperrow: JDIMENSION, numrows: JDIMENSION, maxaccess: JDIMENSION) -> *mut jvirt_sarray_control>request_virt_barray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int, pre_zero: boolean, blocksperrow: JDIMENSION, numrows: JDIMENSION, maxaccess: JDIMENSION) -> *mut jvirt_barray_control>realize_virt_arrays: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct)>access_virt_sarray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, ptr: *mut jvirt_sarray_control, start_row: JDIMENSION, num_rows: JDIMENSION, writable: boolean) -> JSAMPARRAY_MUT>access_virt_barray: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, ptr: *mut jvirt_barray_control, start_row: JDIMENSION, num_rows: JDIMENSION, writable: boolean) -> JBLOCKARRAY>free_pool: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct, pool_id: c_int)>self_destruct: Option<unsafe extern "C" fn(cinfo: &mut jpeg_common_struct)>max_memory_to_use: c_longmax_alloc_chunk: c_long

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type Error = !

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type Error = <U as TryFrom<T>>::Error

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.