Struct LineAnnotation 

pub struct LineAnnotation {

    pub start: (f64, f64),
    pub end: (f64, f64),
    pub line_endings: (LineEndingStyle, LineEndingStyle),
    pub color: Option<AnnotationColor>,
    pub interior_color: Option<AnnotationColor>,
    pub opacity: Option<f32>,
    pub border_style: Option<BorderStyleType>,
    pub line_width: Option<f32>,
    pub leader_line: Option<f64>,
    pub leader_line_offset: Option<f64>,
    pub leader_line_extension: Option<f64>,
    pub caption: bool,
    pub contents: Option<String>,
    pub caption_position: CaptionPosition,
    pub author: Option<String>,
    pub subject: Option<String>,
    pub flags: AnnotationFlags,
}

A Line annotation per PDF spec Section 12.5.6.7.

Displays a single straight line on the page.

Fields

start: (f64, f64)

Start point (x, y)

end: (f64, f64)

End point (x, y)

line_endings: (LineEndingStyle, LineEndingStyle)

Line ending styles (start, end)

color: Option<AnnotationColor>

Stroke color

interior_color: Option<AnnotationColor>

Interior color (for filled line endings)

opacity: Option<f32>

Opacity (0.0 = transparent, 1.0 = opaque)

border_style: Option<BorderStyleType>

Border style type

line_width: Option<f32>

Line width

leader_line: Option<f64>

Leader line length (positive = extends from endpoints)

leader_line_offset: Option<f64>

Leader line offset (distance from endpoints)

leader_line_extension: Option<f64>

Leader line extension (beyond leader line)

caption: bool

Whether to show caption

contents: Option<String>

Caption content

caption_position: CaptionPosition

Caption positioning (Inline or Top)

author: Option<String>

Author

subject: Option<String>

Subject

flags: AnnotationFlags

Annotation flags

Implementations

impl LineAnnotation

pub fn new(start: (f64, f64), end: (f64, f64)) -> Self

Create a new line annotation.

pub fn arrow(start: (f64, f64), end: (f64, f64)) -> Self

Create a line with arrow at the end.

pub fn double_arrow(start: (f64, f64), end: (f64, f64)) -> Self

Create a double-headed arrow line.

pub fn dimension(start: (f64, f64), end: (f64, f64), leader_length: f64) -> Self

Create a dimension line (with leader lines).

pub fn with_line_endings( self, start: LineEndingStyle, end: LineEndingStyle, ) -> Self

Set line endings.

pub fn with_stroke_color(self, r: f32, g: f32, b: f32) -> Self

Set stroke color (RGB).

pub fn with_fill_color(self, r: f32, g: f32, b: f32) -> Self

Set interior color for filled line endings (RGB).

pub fn with_line_width(self, width: f32) -> Self

Set line width.

pub fn with_border_style(self, style: BorderStyleType) -> Self

Set border style.

pub fn with_leader_line(self, length: f64) -> Self

Set leader line length.

pub fn with_leader_offset(self, offset: f64) -> Self

Set leader line offset.

pub fn with_caption(self, text: impl Into<String>) -> Self

Set caption text.

pub fn with_caption_position(self, position: CaptionPosition) -> Self

Set caption position.

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

Set opacity.

pub fn with_author(self, author: impl Into<String>) -> Self

Set author.

pub fn with_subject(self, subject: impl Into<String>) -> Self

Set subject.

pub fn with_flags(self, flags: AnnotationFlags) -> Self

Set annotation flags.

pub fn calculate_rect(&self) -> Rect

Calculate bounding rectangle.

pub fn build(&self, _page_refs: &[ObjectRef]) -> HashMap<String, Object>

Build the annotation dictionary.

Trait Implementations

impl Clone for LineAnnotation

fn clone(&self) -> LineAnnotation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LineAnnotation

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

Formats the value using the given formatter.

impl From<LineAnnotation> for Annotation

fn from(line: LineAnnotation) -> Self

Converts to this type from the input type.