Struct libvips::ops::PngsaveBufferOptions
source · pub struct PngsaveBufferOptions {
pub compression: i32,
pub interlace: bool,
pub filter: ForeignPngFilter,
pub palette: bool,
pub q: i32,
pub dither: f64,
pub bitdepth: i32,
pub effort: i32,
pub keep: ForeignKeep,
pub background: Vec<f64>,
pub page_height: i32,
pub profile: String,
}
Expand description
Options for pngsave_buffer operation
Fields§
§compression: i32
compression: i32
-> Compression factor
min: 0, max: 9, default: 6
interlace: bool
interlace: bool
-> Interlace image
default: false
filter: ForeignPngFilter
filter: ForeignPngFilter
-> libpng row filter flag(s)
None
-> VIPS_FOREIGN_PNG_FILTER_NONE = 8 [DEFAULT]
Sub
-> VIPS_FOREIGN_PNG_FILTER_SUB = 16
Up
-> VIPS_FOREIGN_PNG_FILTER_UP = 32
Avg
-> VIPS_FOREIGN_PNG_FILTER_AVG = 64
Paeth
-> VIPS_FOREIGN_PNG_FILTER_PAETH = 128
All
-> VIPS_FOREIGN_PNG_FILTER_ALL = 248
palette: bool
palette: bool
-> Quantise to 8bpp palette
default: false
q: i32
q: i32
-> Quantisation quality
min: 0, max: 100, default: 100
dither: f64
dither: f64
-> Amount of dithering
min: 0, max: 1, default: 1
bitdepth: i32
bitdepth: i32
-> Write as a 1, 2, 4, 8 or 16 bit image
min: 1, max: 16, default: 8
effort: i32
effort: i32
-> Quantisation CPU effort
min: 1, max: 10, default: 7
keep: ForeignKeep
keep: ForeignKeep
-> Which metadata to retain
None
-> VIPS_FOREIGN_KEEP_NONE = 0
Exif
-> VIPS_FOREIGN_KEEP_EXIF = 1
Xmp
-> VIPS_FOREIGN_KEEP_XMP = 2
Iptc
-> VIPS_FOREIGN_KEEP_IPTC = 4
Icc
-> VIPS_FOREIGN_KEEP_ICC = 8
Other
-> VIPS_FOREIGN_KEEP_OTHER = 16
All
-> VIPS_FOREIGN_KEEP_ALL = 31 [DEFAULT]
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
profile: String
profile: String
-> Filename of ICC profile to embed
Trait Implementations§
source§impl Clone for PngsaveBufferOptions
impl Clone for PngsaveBufferOptions
source§fn clone(&self) -> PngsaveBufferOptions
fn clone(&self) -> PngsaveBufferOptions
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
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