pub struct InteractionState {
pub selection_rect: Option<SelectionRect>,
pub is_selecting: bool,
pub selection_start: Option<[f64; 2]>,
pub is_panning: bool,
pub last_pan_pos: Option<[f64; 2]>,
pub view_range: (f64, f64),
pub view_y_range: (f64, f64),
}Fields§
§selection_rect: Option<SelectionRect>Прямоугольник текущего выделения (если есть)
is_selecting: boolФлаг, указывающий, выполняется ли выделение
selection_start: Option<[f64; 2]>Начальная точка выделения (если выполняется выделение)
is_panning: boolФлаг, указывающий, выполняется ли панорамирование
last_pan_pos: Option<[f64; 2]>Последняя позиция панорамирования (для вычисления смещения)
view_range: (f64, f64)Диапазон отображения по оси X (минимум и максимум)
view_y_range: (f64, f64)Диапазон отображения по оси Y (минимум и максимум)
Implementations§
Source§impl InteractionState
impl InteractionState
pub fn default() -> Self
pub fn pan_xy(&mut self, delta_x: f64, delta_y: f64)
Sourcepub fn start_selection(&mut self, start_point: [f64; 2])
pub fn start_selection(&mut self, start_point: [f64; 2])
Sourcepub fn update_pan(&mut self, current_point: [f64; 2])
pub fn update_pan(&mut self, current_point: [f64; 2])
Sourcepub fn update_selection(&mut self, end_point: [f64; 2]) -> bool
pub fn update_selection(&mut self, end_point: [f64; 2]) -> bool
Sourcepub fn end_selection(&mut self)
pub fn end_selection(&mut self)
Завершает процесс выделения
Sourcepub fn clear_selection_rect(&mut self)
pub fn clear_selection_rect(&mut self)
Очищает прямоугольник выделения
Sourcepub fn zoom(&mut self, factor: f64, center: [f64; 2])
pub fn zoom(&mut self, factor: f64, center: [f64; 2])
Масштабирует отображение
§Параметры
factor- коэффициент масштабированияcenter- центральная точка масштабирования
Sourcepub fn fit_to_selection(&mut self)
pub fn fit_to_selection(&mut self)
Масштабирует отображение под выделенную область
Trait Implementations§
Source§impl Clone for InteractionState
impl Clone for InteractionState
Source§fn clone(&self) -> InteractionState
fn clone(&self) -> InteractionState
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreAuto Trait Implementations§
impl Freeze for InteractionState
impl RefUnwindSafe for InteractionState
impl Send for InteractionState
impl Sync for InteractionState
impl Unpin for InteractionState
impl UnsafeUnpin for InteractionState
impl UnwindSafe for InteractionState
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