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: f64
cam_y: f64
cam_zoom: f64
cursor: ScreenPt
window_has_cursor: bool
drag_canvas_from: Option<(ScreenPt, ScreenPt)>
drag_just_ended: bool
window_width: f64
window_height: f64
map_dims: (f64, f64)
settings: CanvasSettings
covered_areas: RefCell<Vec<ScreenRectangle>>
keys_held: HashSet<Key>
Implementations
sourceimpl Canvas
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
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Downcast for T where
T: Any,
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(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
Convert Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
. Read more
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
Convert Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read more
pub fn as_any(&self) -> &(dyn Any + 'static)
pub fn as_any(&self) -> &(dyn Any + 'static)
Convert &Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s. Read more
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert &mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
impl<T> Same<T> for T
impl<T> Same<T> for T
type Output = T
type Output = T
Should always be Self