Struct Rect 

pub struct Rect {
    pub left: f64,
    pub bottom: f64,
    pub right: f64,
    pub top: f64,
}

矩形范围，表示注释大概占据页面上的哪一块区域。

很多注释都需要一个“边界框”，告诉 PDF： “这个注释大概在页面上的哪里。”

这里的四个值分别是：

• left：左边界
• bottom：下边界
• right：右边界
• top：上边界

Fields

left: f64

bottom: f64

right: f64

top: f64

Implementations

impl Rect

pub fn from_string(s: &str) -> Option<Self>

把像 100,200,300,400 这样的字符串解析成矩形结构。

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

转换为 PDF 矩形数组格式。

Trait Implementations

impl Clone for Rect

fn clone(&self) -> Rect

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Rect

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Rect

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Rect

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.