Struct libvips::ops::JpegsaveTargetOptions
source · pub struct JpegsaveTargetOptions {Show 13 fields
pub q: i32,
pub profile: String,
pub optimize_coding: bool,
pub interlace: bool,
pub trellis_quant: bool,
pub overshoot_deringing: bool,
pub optimize_scans: bool,
pub quant_table: i32,
pub subsample_mode: ForeignSubsample,
pub restart_interval: i32,
pub strip: bool,
pub background: Vec<f64>,
pub page_height: i32,
}
Expand description
Options for jpegsave_target operation
Fields§
§q: i32
q: i32
-> Q factor
min: 1, max: 100, default: 75
profile: String
profile: String
-> ICC profile to embed
optimize_coding: bool
optimize_coding: bool
-> Compute optimal Huffman coding tables
default: false
interlace: bool
interlace: bool
-> Generate an interlaced (progressive) jpeg
default: false
trellis_quant: bool
trellis_quant: bool
-> Apply trellis quantisation to each 8x8 block
default: false
overshoot_deringing: bool
overshoot_deringing: bool
-> Apply overshooting to samples with extreme values
default: false
optimize_scans: bool
optimize_scans: bool
-> Split spectrum of DCT coefficients into separate scans
default: false
quant_table: i32
quant_table: i32
-> Use predefined quantization table with given index
min: 0, max: 8, default: 0
subsample_mode: ForeignSubsample
subsample_mode: ForeignSubsample
-> Select chroma subsample operation mode
Auto
-> VIPS_FOREIGN_SUBSAMPLE_AUTO = 0 [DEFAULT]
On
-> VIPS_FOREIGN_SUBSAMPLE_ON = 1
Off
-> VIPS_FOREIGN_SUBSAMPLE_OFF = 2
Last
-> VIPS_FOREIGN_SUBSAMPLE_LAST = 3
restart_interval: i32
restart_interval: i32
-> Add restart markers every specified number of mcu
min: 0, max: 2147483647, default: 0
strip: bool
strip: bool
-> Strip all metadata from image
default: false
background: Vec<f64>
background: Vec<f64>
-> Background value
page_height: i32
page_height: i32
-> Set page height for multipage save
min: 0, max: 10000000, default: 0
Trait Implementations§
source§impl Clone for JpegsaveTargetOptions
impl Clone for JpegsaveTargetOptions
source§fn clone(&self) -> JpegsaveTargetOptions
fn clone(&self) -> JpegsaveTargetOptions
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
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