Enum jumpy::prelude::egui::epaint::Shape

pub enum Shape {
    Noop,
    Vec(Vec<Shape>),
    Circle(CircleShape),
    LineSegment {
        points: [Pos2; 2],
        stroke: Stroke,
    },
    Path(PathShape),
    Rect(RectShape),
    Text(TextShape),
    Mesh(Mesh),
    QuadraticBezier(QuadraticBezierShape),
    CubicBezier(CubicBezierShape),
    Callback(PaintCallback),
}
Expand description

A paint primitive such as a circle or a piece of text. Coordinates are all screen space points (not physical pixels).

You should generally recreate your Shapes each frame, but storing them should also be fine with one exception: Shape::Text depends on the current pixels_per_point (dpi scale) and so must be recreated every time pixels_per_point changes.

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Noop

Paint nothing. This can be useful as a placeholder.

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Vec(Vec<Shape>)

Recursively nest more shapes - sometimes a convenience to be able to do. For performance reasons it is better to avoid it.

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Circle(CircleShape)

Circle with optional outline and fill.

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LineSegment

A line between two points.

Fields

§points: [Pos2; 2]
§stroke: Stroke
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Path(PathShape)

A series of lines between points. The path can have a stroke and/or fill (if closed).

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Rect(RectShape)

Rectangle with optional outline and fill.

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Text(TextShape)

Text.

This needs to be recreated if pixels_per_point (dpi scale) changes.

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Mesh(Mesh)

A general triangle mesh.

Can be used to display images.

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QuadraticBezier(QuadraticBezierShape)

A quadratic Bézier Curve.

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CubicBezier(CubicBezierShape)

A cubic Bézier Curve.

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Callback(PaintCallback)

Backend-specific painting.

Implementations§

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impl Shape

§Constructors

pub fn line_segment(points: [Pos2; 2], stroke: impl Into<Stroke>) -> Shape

A line between two points. More efficient than calling Self::line.

pub fn hline(x: impl Into<Rangef>, y: f32, stroke: impl Into<Stroke>) -> Shape

A horizontal line.

pub fn vline(x: f32, y: impl Into<Rangef>, stroke: impl Into<Stroke>) -> Shape

A vertical line.

pub fn line(points: Vec<Pos2>, stroke: impl Into<Stroke>) -> Shape

A line through many points.

Use Self::line_segment instead if your line only connects two points.

pub fn closed_line(points: Vec<Pos2>, stroke: impl Into<Stroke>) -> Shape

A line that closes back to the start point again.

pub fn dotted_line( path: &[Pos2], color: impl Into<Color32>, spacing: f32, radius: f32, ) -> Vec<Shape>

Turn a line into equally spaced dots.

pub fn dashed_line( path: &[Pos2], stroke: impl Into<Stroke>, dash_length: f32, gap_length: f32, ) -> Vec<Shape>

Turn a line into dashes.

pub fn dashed_line_many( points: &[Pos2], stroke: impl Into<Stroke>, dash_length: f32, gap_length: f32, shapes: &mut Vec<Shape>, )

Turn a line into dashes. If you need to create many dashed lines use this instead of Self::dashed_line

pub fn convex_polygon( points: Vec<Pos2>, fill: impl Into<Color32>, stroke: impl Into<Stroke>, ) -> Shape

A convex polygon with a fill and optional stroke.

The most performant winding order is clockwise.

pub fn circle_filled( center: Pos2, radius: f32, fill_color: impl Into<Color32>, ) -> Shape

pub fn circle_stroke( center: Pos2, radius: f32, stroke: impl Into<Stroke>, ) -> Shape

pub fn rect_filled( rect: Rect, rounding: impl Into<Rounding>, fill_color: impl Into<Color32>, ) -> Shape

pub fn rect_stroke( rect: Rect, rounding: impl Into<Rounding>, stroke: impl Into<Stroke>, ) -> Shape

pub fn text( fonts: &Fonts, pos: Pos2, anchor: Align2, text: impl ToString, font_id: FontId, color: Color32, ) -> Shape

pub fn galley(pos: Pos2, galley: Arc<Galley>) -> Shape

pub fn galley_with_color( pos: Pos2, galley: Arc<Galley>, text_color: Color32, ) -> Shape

The text color in the Galley will be replaced with the given color.

pub fn mesh(mesh: Mesh) -> Shape

pub fn image( texture_id: TextureId, rect: Rect, uv: Rect, tint: Color32, ) -> Shape

An image at the given position.

uv should normally be Rect::from_min_max(pos2(0.0, 0.0), pos2(1.0, 1.0)) unless you want to crop or flip the image.

tint is a color multiplier. Use Color32::WHITE if you don’t want to tint the image.

pub fn visual_bounding_rect(&self) -> Rect

The visual bounding rectangle (includes stroke widths)

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impl Shape

§Inspection and transforms

pub fn texture_id(&self) -> TextureId

pub fn translate(&mut self, delta: Vec2)

Move the shape by this many points, in-place.

Trait Implementations§

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impl Clone for Shape

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fn clone(&self) -> Shape

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Shape

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl From<CircleShape> for Shape

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fn from(shape: CircleShape) -> Shape

Converts to this type from the input type.
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impl From<CubicBezierShape> for Shape

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fn from(shape: CubicBezierShape) -> Shape

Converts to this type from the input type.
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impl From<Mesh> for Shape

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fn from(mesh: Mesh) -> Shape

Converts to this type from the input type.
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impl From<PaintCallback> for Shape

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fn from(shape: PaintCallback) -> Shape

Converts to this type from the input type.
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impl From<PathShape> for Shape

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fn from(shape: PathShape) -> Shape

Converts to this type from the input type.
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impl From<QuadraticBezierShape> for Shape

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fn from(shape: QuadraticBezierShape) -> Shape

Converts to this type from the input type.
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impl From<RectShape> for Shape

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fn from(shape: RectShape) -> Shape

Converts to this type from the input type.
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impl From<TextShape> for Shape

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fn from(shape: TextShape) -> Shape

Converts to this type from the input type.
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impl From<Vec<Shape>> for Shape

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fn from(shapes: Vec<Shape>) -> Shape

Converts to this type from the input type.
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impl PartialEq for Shape

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fn eq(&self, other: &Shape) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for Shape

Auto Trait Implementations§

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impl Freeze for Shape

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impl !RefUnwindSafe for Shape

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impl Send for Shape

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impl Sync for Shape

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impl Unpin for Shape

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impl !UnwindSafe for Shape

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