Struct IndexedColorSpace 

pub struct IndexedColorSpace {
    pub base_space: BaseColorSpace,
    pub hival: u8,
    pub lookup_table: ColorLookupTable,
    pub name: Option<String>,
}

Indexed color space representation

Fields

base_space: BaseColorSpace

Base color space (DeviceRGB, DeviceCMYK, DeviceGray, or ICCBased)

hival: u8

Maximum valid index value (0 to hival, max 255)

lookup_table: ColorLookupTable

Color lookup table

name: Option<String>

Optional name for the indexed color space

Implementations

impl IndexedColorSpace

pub fn new( base_space: BaseColorSpace, lookup_table: ColorLookupTable, ) -> Result<Self>

Create a new indexed color space

pub fn from_palette(colors: &[Color]) -> Result<Self>

Create an indexed color space from a palette

pub fn web_safe_palette() -> Result<Self>

Create a web-safe color palette (216 colors)

pub fn grayscale_palette(levels: u8) -> Result<Self>

Create a grayscale palette

pub fn with_name(self, name: String) -> Self

Set the name for this indexed color space

pub fn get_color(&self, index: u8) -> Option<Color>

Get color at index

pub fn find_closest_index(&self, target: &Color) -> u8

Find closest color index for a given color

pub fn to_pdf_array(&self) -> Result<Vec<Object>>

Convert to PDF color space array

pub fn max_index(&self) -> u8

Get the maximum valid index

pub fn color_count(&self) -> usize

Get the number of colors

pub fn validate(&self) -> Result<()>

Validate the indexed color space

Trait Implementations

impl Clone for IndexedColorSpace

fn clone(&self) -> IndexedColorSpace

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IndexedColorSpace

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.