Struct TransparencyGroup 

pub struct TransparencyGroup {
    pub isolated: bool,
    pub knockout: bool,
    pub blend_mode: BlendMode,
    pub opacity: f32,
    pub color_space: Option<String>,
}

Transparency group attributes according to ISO 32000-1:2008 Section 11.4.5

Fields

isolated: bool

Whether the group is isolated from its backdrop When true, the group is composited against a fully transparent backdrop When false, the group inherits the backdrop from its parent

knockout: bool

Whether the group is a knockout group When true, objects within the group knock out (replace) earlier objects When false, objects composite normally with each other

blend_mode: BlendMode

The blend mode to apply to the entire group

opacity: f32

The opacity to apply to the entire group (0.0 = transparent, 1.0 = opaque)

color_space: Option<String>

Optional color space for the group

Implementations

impl TransparencyGroup

pub fn new() -> Self

Create a new transparency group with default settings

pub fn isolated() -> Self

Create an isolated transparency group

pub fn knockout() -> Self

Create a knockout transparency group

pub fn with_isolated(self, isolated: bool) -> Self

Set whether the group is isolated

pub fn with_knockout(self, knockout: bool) -> Self

Set whether the group is a knockout group

pub fn with_blend_mode(self, blend_mode: BlendMode) -> Self

Set the blend mode for the group

pub fn with_opacity(self, opacity: f32) -> Self

Set the opacity for the group

pub fn with_color_space(self, color_space: impl Into<String>) -> Self

Set the color space for the group

pub fn to_dict(&self) -> Dictionary

Convert to PDF dictionary representation

Trait Implementations

impl Clone for TransparencyGroup

fn clone(&self) -> TransparencyGroup

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TransparencyGroup

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

Formats the value using the given formatter.

impl Default for TransparencyGroup

fn default() -> Self

Returns the “default value” for a type.