Struct ClipStack 

pub struct ClipStack { /* private fields */ }

裁剪栈

用于管理多层裁剪区域

Implementations

impl ClipStack

pub fn new() -> Self

创建新的裁剪栈

pub fn with_rect(rect: IRect) -> Self

创建带初始裁剪区域的栈

pub fn push(&mut self, region: ClipRegion)

压入新的裁剪区域

pub fn pop(&mut self) -> Option<ClipRegion>

弹出裁剪区域

pub fn current(&self) -> Option<&ClipRegion>

获取当前有效的裁剪区域

pub fn clip(&mut self, region: ClipRegion, op: ClipOp)

应用裁剪操作

pub fn clip_rect(&mut self, rect: IRect, op: ClipOp)

裁剪矩形

pub fn clip_path(&mut self, path: Path, op: ClipOp)

裁剪路径

pub fn contains_point(&self, x: i32, y: i32) -> bool

判断点是否在当前裁剪区域内

pub fn bounds(&self) -> Option<IRect>

获取当前裁剪区域的边界

pub fn is_empty(&self) -> bool

判断栈是否为空

pub fn depth(&self) -> usize

获取栈的深度

pub fn clear(&mut self)

清空裁剪栈

pub fn save(&mut self)

保存当前裁剪状态（用于状态栈）

pub fn restore(&mut self)

恢复之前的裁剪状态

pub fn get_bounds(&self) -> Option<Rect>

获取当前裁剪区域的边界（别名方法）

Trait Implementations

impl Clone for ClipStack

fn clone(&self) -> ClipStack

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ClipStack

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

Formats the value using the given formatter.

impl Default for ClipStack

fn default() -> Self

Returns the “default value” for a type.