Struct mozjpeg_sys::jpeg_compress_struct [−][src]
#[repr(C)]pub struct jpeg_compress_struct {}Show fields
pub common: jpeg_common_struct, pub dest: *mut jpeg_destination_mgr, pub image_width: JDIMENSION, pub image_height: JDIMENSION, pub input_components: c_int, pub in_color_space: J_COLOR_SPACE, pub input_gamma: f64, pub data_precision: c_int, pub num_components: c_int, pub jpeg_color_space: J_COLOR_SPACE, pub comp_info: *mut jpeg_component_info, pub quant_tbl_ptrs: [*mut JQUANT_TBL; 4], pub dc_huff_tbl_ptrs: [*mut JHUFF_TBL; 4], pub ac_huff_tbl_ptrs: [*mut JHUFF_TBL; 4], pub arith_dc_L: [u8; 16], pub arith_dc_U: [u8; 16], pub arith_ac_K: [u8; 16], pub num_scans: c_int, pub scan_info: *const jpeg_scan_info, pub raw_data_in: boolean, pub arith_code: boolean, pub optimize_coding: boolean, pub CCIR601_sampling: boolean, pub smoothing_factor: c_int, pub dct_method: J_DCT_METHOD, pub restart_interval: c_uint, pub restart_in_rows: c_int, pub write_JFIF_header: boolean, pub JFIF_major_version: u8, pub JFIF_minor_version: u8, pub density_unit: u8, pub X_density: u16, pub Y_density: u16, pub write_Adobe_marker: boolean, pub next_scanline: JDIMENSION, pub max_h_samp_factor: c_int, pub max_v_samp_factor: c_int, // some fields omitted
Fields
common: jpeg_common_struct
dest: *mut jpeg_destination_mgr
image_width: JDIMENSION
Description of source image — these fields must be filled in by outer application before starting compression.
image_height: JDIMENSION
input_components: c_int
in_color_space: J_COLOR_SPACE
in_color_space
must be correct before you can even call jpeg_set_defaults()
.
input_gamma: f64
image gamma of input image
data_precision: c_int
bits of precision in image data
num_components: c_int
jpeg_color_space: J_COLOR_SPACE
comp_info: *mut jpeg_component_info
comp_info[i]
describes component that appears i’th in SOF
quant_tbl_ptrs: [*mut JQUANT_TBL; 4]
dc_huff_tbl_ptrs: [*mut JHUFF_TBL; 4]
ptrs to coefficient quantization tables, or NULL if not defined, and corresponding scale factors (percentage, initialized 100).
ac_huff_tbl_ptrs: [*mut JHUFF_TBL; 4]
arith_dc_L: [u8; 16]
arith_dc_U: [u8; 16]
arith_ac_K: [u8; 16]
num_scans: c_int
scan_info: *const jpeg_scan_info
raw_data_in: boolean
TRUE=caller supplies downsampled data
arith_code: boolean
optimize_coding: boolean
TRUE=optimize entropy encoding parms
CCIR601_sampling: boolean
smoothing_factor: c_int
dct_method: J_DCT_METHOD
restart_interval: c_uint
MCUs per restart, or 0 for no restart
restart_in_rows: c_int
write_JFIF_header: boolean
JFIF_major_version: u8
JFIF_minor_version: u8
density_unit: u8
X_density: u16
Y_density: u16
write_Adobe_marker: boolean
next_scanline: JDIMENSION
max_h_samp_factor: c_int
max_v_samp_factor: c_int
Auto Trait Implementations
impl RefUnwindSafe for jpeg_compress_struct
impl RefUnwindSafe for jpeg_compress_struct
impl !Send for jpeg_compress_struct
impl !Send for jpeg_compress_struct
impl !Sync for jpeg_compress_struct
impl !Sync for jpeg_compress_struct
impl Unpin for jpeg_compress_struct
impl Unpin for jpeg_compress_struct
impl UnwindSafe for jpeg_compress_struct
impl UnwindSafe for jpeg_compress_struct