Struct Canvas 

pub struct Canvas { /* private fields */ }

Implementations

impl Canvas

pub fn new() -> Self

pub fn background(self, fill: impl Into<Fill>) -> Self

pub fn no_background(self) -> Self

pub fn focusable(self, focusable: bool) -> Self

pub fn capture(self, capturable: bool) -> Self

pub fn cursor(self, cursor: CursorIcon) -> Self

pub fn width(self, width: impl Into<Length>) -> Self

pub fn height(self, height: impl Into<Length>) -> Self

pub fn min_width(self, v: f32) -> Self

pub fn max_width(self, v: f32) -> Self

pub fn min_height(self, v: f32) -> Self

pub fn max_height(self, v: f32) -> Self

pub fn flex(self, weight: f32) -> Self

pub fn expand(self) -> Self

pub fn on_draw(self, draw: impl Fn(&mut Painter<'_, '_>) + 'static) -> Self

pub fn on_pointer( self, handler: impl Fn(Point, &PointerEvent, &mut EventCtx<'_>) + 'static, ) -> Self

pub fn key( self, key: Key, modifiers: Modifiers, action: impl Fn() + 'static, ) -> Self

pub fn on_key(self, handler: impl Fn(&KeyEvent) -> bool + 'static) -> Self

pub fn track(self, track: impl Fn() + 'static) -> Self

pub fn clip(self, clip: bool) -> Self

pub fn allow_overflow(self, px: f32) -> Self

pub fn overflow_px(self, px: f32) -> Self

pub fn paint_overflow(&self) -> f32

pub fn grid(self, step: f32) -> Self

pub fn grid_colored(self, step: f32, color: Color) -> Self

pub fn axes(self) -> Self

pub fn axes_colored(self, color: Color) -> Self

pub fn snap_every(self, step: f32) -> Self

pub fn snap_step(&self) -> Option<f32>

pub fn snap_value(&self, value: f32) -> f32

pub fn camera(self, pos: Vec2, zoom: f32) -> Self

pub fn no_camera(self) -> Self

pub fn camera_value(&self) -> Option<Camera>

pub fn background_fill(&self) -> Option<&Fill>

pub fn is_focusable(&self) -> bool

pub fn cursor_icon_value(&self) -> CursorIcon

pub fn binding_count(&self) -> usize

pub fn world_to_local(world: Point, cam: Vec2, zoom: f32) -> Point

pub fn local_to_world(local: Point, cam: Vec2, zoom: f32) -> Point

pub fn view_bounds(size: Size, cam: Vec2, zoom: f32) -> Rect

pub fn fit_view(content: Rect, size: Size, padding: f32) -> (Vec2, f32)

pub fn snap(value: f32, step: f32) -> f32

pub fn snap_point(p: Point, step: f32) -> Point

pub fn lod_banded(zoom: f32, breaks: &[f32]) -> usize

pub fn show_detail(zoom: f32, world: f32, min_px: f32) -> bool

pub fn detail_alpha(zoom: f32, world: f32, min_px: f32, fade_px: f32) -> f32

Trait Implementations

impl Clone for Canvas

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for Canvas

fn default() -> Self

Returns the “default value” for a type.

impl View for Canvas

fn body(&self) -> impl View + 'static

fn clip_self(&self) -> bool

fn layout_style_ctx(&self, _rt: &Runtime, _el: ElementId) -> LayoutStyle

fn accessibility(&self) -> Option<Accessible>

fn arrange_override( &self, _rt: &Runtime, _el: ElementId, _rect: Rect, _ctx: &mut LayoutCtx<'_>, ) -> bool

fn clip_radius(&self) -> f32

fn paint_opacity(&self) -> Option<f32>

fn paint_opacity_ctx(&self, _rt: &Runtime, _el: ElementId) -> Option<f32>

fn paint_offset(&self) -> Vec2

fn paint_offset_ctx(&self, _rt: &Runtime, _el: ElementId) -> Vec2

fn paint_scale(&self) -> f32

fn paint_scale_ctx(&self, _rt: &Runtime, _el: ElementId) -> f32

fn paint_rotation(&self) -> f32

fn paint_rotation_ctx(&self, _rt: &Runtime, _el: ElementId) -> f32

fn foreground_filter(&self) -> Option<Filter>

fn captures_pointer_ctx(&self, _rt: &Runtime, _el: ElementId) -> bool

fn reuse_state(&self, _old: &Self)

fn hit_testable(&self) -> bool

fn test_id(&self) -> Option<String>

fn focus_trap(&self) -> bool

fn accepts_tab(&self) -> bool

fn paint_foreground(&self, _ctx: &mut PaintCtx<'_>)

fn accepts_drop(&self, _payload: &DragPayload) -> bool

fn on_drag_over(&self, _pos: DropPosition, _ctx: &mut EventCtx<'_>)

fn on_drop(&self, _pos: DropPosition, _ctx: &mut EventCtx<'_>)

fn on_drag_start(&self, _ctx: &mut EventCtx<'_>)

fn on_drag_end(&self, _end: DragEnd, _ctx: &mut EventCtx<'_>)