Struct widgetry::canvas::Canvas[−][src]

pub struct Canvas {Show 13 fields
    pub cam_x: f64,
    pub cam_y: f64,
    pub cam_zoom: f64,
    pub(crate) cursor: ScreenPt,
    pub(crate) window_has_cursor: bool,
    pub(crate) drag_canvas_from: Option<(ScreenPt, ScreenPt)>,
    drag_just_ended: bool,
    pub window_width: f64,
    pub window_height: f64,
    pub map_dims: (f64, f64),
    pub settings: CanvasSettings,
    pub(crate) covered_areas: RefCell<Vec<ScreenRectangle>>,
    pub(crate) keys_held: HashSet<Key>,
}

Fields

cam_x: f64cam_y: f64cam_zoom: f64cursor: ScreenPtwindow_has_cursor: booldrag_canvas_from: Option<(ScreenPt, ScreenPt)>drag_just_ended: boolwindow_width: f64window_height: f64map_dims: (f64, f64)settings: CanvasSettingscovered_areas: RefCell<Vec<ScreenRectangle>>keys_held: HashSet<Key>

Struct widgetry::canvas::Canvas[−][src]

Fields

Implementations

impl Canvas

pub(crate) fn new(initial_dims: ScreenDims, settings: CanvasSettings) -> Canvas

pub fn max_zoom(&self) -> f64

pub fn min_zoom(&self) -> f64

pub fn is_max_zoom(&self) -> bool

pub fn is_min_zoom(&self) -> bool

pub(crate) fn handle_event( &mut self, input: &mut UserInput) -> Option<UpdateType>

pub fn center_zoom(&mut self, delta: f64)

pub fn zoom(&mut self, delta: f64, focus: ScreenPt)

pub(crate) fn start_drawing(&self)

pub fn mark_covered_area(&self, rect: ScreenRectangle)

pub fn get_cursor(&self) -> ScreenPt

pub fn get_cursor_in_screen_space(&self) -> Option<ScreenPt>

pub fn get_cursor_in_map_space(&self) -> Option<Pt2D>

pub fn screen_to_map(&self, pt: ScreenPt) -> Pt2D

pub fn center_to_screen_pt(&self) -> ScreenPt

pub fn center_to_map_pt(&self) -> Pt2D

pub fn center_on_map_pt(&mut self, pt: Pt2D)

pub fn map_to_screen(&self, pt: Pt2D) -> ScreenPt

fn get_inner_bounds(&self) -> Bounds

pub fn get_window_dims(&self) -> ScreenDims

fn get_map_bounds(&self) -> Bounds

pub fn get_screen_bounds(&self) -> Bounds

pub(crate) fn align_window( &self, dims: ScreenDims, horiz: HorizontalAlignment, vert: VerticalAlignment) -> ScreenPt

pub fn is_unzoomed(&self) -> bool

pub fn is_zoomed(&self) -> bool

pub(crate) fn is_dragging(&self) -> bool

Auto Trait Implementations

impl !RefUnwindSafe for Canvas

impl Send for Canvas

impl !Sync for Canvas

impl Unpin for Canvas

impl UnwindSafe for Canvas

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> Downcast for T where T: Any,

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

pub fn as_any(&self) -> &(dyn Any + 'static)

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

impl<T> DowncastSync for T where T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

pub(crate) fn handle_event(
&mut self,
input: &mut UserInput
) -> Option<UpdateType>

pub(crate) fn align_window(
&self,
dims: ScreenDims,
horiz: HorizontalAlignment,
vert: VerticalAlignment
) -> ScreenPt

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T> Downcast for T where
T: Any,

impl<T> DowncastSync for T where
T: Any + Send + Sync,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,