Struct widgetry::Canvas[−][src]

pub struct Canvas {
    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)>,
    pub(crate) drag_just_ended: bool,
    pub window_width: f64,
    pub window_height: f64,
    pub map_dims: (f64, f64),
    pub invert_scroll: bool,
    pub touchpad_to_move: bool,
    pub edge_auto_panning: bool,
    pub keys_to_pan: bool,
    pub gui_scroll_speed: usize,
    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)invert_scroll: booltouchpad_to_move: booledge_auto_panning: boolkeys_to_pan: boolgui_scroll_speed: usizecovered_areas: RefCell<Vec<ScreenRectangle>>keys_held: HashSet<Key>

Implementations

impl Canvas[src]

pub(crate) fn new(initial_dims: ScreenDims) -> Canvas[src]

pub fn min_zoom(&self) -> f64[src]

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

fn zoom(&mut self, delta: f64, focus: ScreenPt)[src]

pub(crate) fn start_drawing(&self)[src]

pub fn mark_covered_area(&self, rect: ScreenRectangle)[src]

pub fn get_cursor(&self) -> ScreenPt[src]

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

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

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

pub fn center_to_screen_pt(&self) -> ScreenPt[src]

pub fn center_to_map_pt(&self) -> Pt2D[src]

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

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

fn get_inner_bounds(&self) -> Bounds[src]

pub fn get_window_dims(&self) -> ScreenDims[src]

fn get_map_bounds(&self) -> Bounds[src]

pub fn get_screen_bounds(&self) -> Bounds[src]

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

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, [src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

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

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

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.