Trait CanvasContext 

pub trait CanvasContext {
    type Pattern;

    // Required methods
    fn get_direction(&self) -> Direction;
    fn set_direction(&self, value: Direction) -> String;
    fn set_fill_color(&self, value: Color);
    fn set_fill_gradient(&self, value: &Gradient);
    fn set_fill_pattern(&self, value: &Self::Pattern);
    fn get_filter(&self) -> String;
    fn set_filter(&self, value: &str);
    fn get_font(&self) -> String;
    fn set_font(
        &self,
        family: &str,
        style: TextStyle,
        weight: TextWeight,
        size: f64,
    );
    fn get_global_alpha(&self) -> f64;
    fn set_global_alpha(&self, value: f64);
    fn get_global_composite_operation(&self) -> String;
    fn set_global_composite_operation(&self, value: &str);
    fn is_image_smoothing_enabled(&self) -> bool;
    fn set_image_smoothing(&self, value: bool);
    fn get_line_cap(&self) -> LineCap;
    fn set_line_cap(&self, value: LineCap);
    fn get_line_dash_offset(&self) -> f64;
    fn set_line_dash_offset(&self, value: f64);
    fn get_line_join(&self) -> LineJoin;
    fn set_line_join(&self, value: LineJoin);
    fn get_line_width(&self) -> f64;
    fn set_line_width(&self, value: f64);
    fn get_miter_limit(&self) -> f64;
    fn set_miter_limit(&self, value: f64);
    fn get_shadow_blur(&self) -> f64;
    fn set_shadow_blur(&self, value: f64);
    fn get_shadow_color(&self) -> Color;
    fn set_shadow_color(&self, value: Color);
    fn get_shadow_offset_x(&self) -> f64;
    fn set_shadow_offset_x(&self, value: f64);
    fn get_shadow_offset_y(&self) -> f64;
    fn set_shadow_offset_y(&self, value: f64);
    fn set_stroke_color(&self, value: Color);
    fn set_stroke_gradient(&self, value: &Gradient);
    fn set_stroke_pattern(&self, value: &Self::Pattern);
    fn get_text_align(&self) -> TextAlign;
    fn set_text_align(&self, value: TextAlign);
    fn get_text_baseline(&self) -> BaseLine;
    fn set_text_baseline(&self, value: BaseLine);
    fn arc(
        &self,
        x: f64,
        y: f64,
        radius: f64,
        start_angle: f64,
        end_angle: f64,
        anticlockwise: bool,
    );
    fn arc_to(&self, x1: f64, y1: f64, x2: f64, y2: f64, radius: f64);
    fn begin_path(&self);
    fn bezier_curve_to(
        &self,
        cp1x: f64,
        cp1y: f64,
        cp2x: f64,
        cp2y: f64,
        x: f64,
        y: f64,
    );
    fn clear_rect(&self, x: f64, y: f64, width: f64, height: f64);
    fn close_path(&self);
    fn ellipse(
        &self,
        x: f64,
        y: f64,
        radius_x: f64,
        radius_y: f64,
        rotation: f64,
        start_angle: f64,
        end_angle: f64,
        anticlockwise: bool,
    );
    fn fill(&self);
    fn fill_rect(&self, x: f64, y: f64, width: f64, height: f64);
    fn fill_text(&self, text: &str, x: f64, y: f64);
    fn get_line_dash(&self) -> Vec<f64>;
    fn line_to(&self, x: f64, y: f64);
    fn measure_text(&self, text: &str) -> TextMetrics;
    fn move_to(&self, x: f64, y: f64);
    fn quadratic_curve_to(&self, cpx: f64, cpy: f64, x: f64, y: f64);
    fn rect(&self, x: f64, y: f64, width: f64, height: f64);
    fn reset_transform(&self);
    fn restore(&self);
    fn rotate(&self, angle: f64);
    fn save(&self);
    fn scale(&self, x: f64, y: f64);
    fn set_line_dash(&self, dash: &Vec<f64>);
    fn set_transform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64);
    fn stroke(&self);
    fn stroke_rect(&self, x: f64, y: f64, width: f64, height: f64);
    fn stroke_text(&self, text: &str, x: f64, y: f64);
    fn transform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64);
    fn translate(&self, x: f64, y: f64);
}

Required Associated Types

type Pattern

Required Methods

fn get_direction(&self) -> Direction

Get direction

fn set_direction(&self, value: Direction) -> String

Set direction

fn set_fill_color(&self, value: Color)

Set fill color

fn set_fill_gradient(&self, value: &Gradient)

Set fill gradient

fn set_fill_pattern(&self, value: &Self::Pattern)

Set fill pattern

fn get_filter(&self) -> String

Get filter

fn set_filter(&self, value: &str)

Set filter

fn get_font(&self) -> String

Get font

fn set_font( &self, family: &str, style: TextStyle, weight: TextWeight, size: f64, )

Set direction

fn get_global_alpha(&self) -> f64

Get global alpha

fn set_global_alpha(&self, value: f64)

Set global alpha

fn get_global_composite_operation(&self) -> String

Get global composite operation

fn set_global_composite_operation(&self, value: &str)

Set global composite operation

fn is_image_smoothing_enabled(&self) -> bool

Whether images and patterns on this canvas will be smoothed when this canvas is scaled.

fn set_image_smoothing(&self, value: bool)

Set image smoothing

fn get_line_cap(&self) -> LineCap

Get line cap

fn set_line_cap(&self, value: LineCap)

Set line cap

fn get_line_dash_offset(&self) -> f64

Get line dash offset

fn set_line_dash_offset(&self, value: f64)

Set line dash offset

fn get_line_join(&self) -> LineJoin

Get line join

fn set_line_join(&self, value: LineJoin)

Set line dash

fn get_line_width(&self) -> f64

Get line width

fn set_line_width(&self, value: f64)

Set line width

fn get_miter_limit(&self) -> f64

Get miter limit

fn set_miter_limit(&self, value: f64)

Set miter limit

fn get_shadow_blur(&self) -> f64

Get shadow blur

fn set_shadow_blur(&self, value: f64)

Set shadow blur

fn get_shadow_color(&self) -> Color

Get shadow color

fn set_shadow_color(&self, value: Color)

Set shadow color

fn get_shadow_offset_x(&self) -> f64

Get shadow offset x

fn set_shadow_offset_x(&self, value: f64)

Set shadow offset x

fn get_shadow_offset_y(&self) -> f64

Get shadow offset y

fn set_shadow_offset_y(&self, value: f64)

Set shadow offset y

fn set_stroke_color(&self, value: Color)

Set stroke color

fn set_stroke_gradient(&self, value: &Gradient)

Set stroke gradient

fn set_stroke_pattern(&self, value: &Self::Pattern)

Set stroke pattern

fn get_text_align(&self) -> TextAlign

Get text align

fn set_text_align(&self, value: TextAlign)

Set text align

fn get_text_baseline(&self) -> BaseLine

Get text baseline

fn set_text_baseline(&self, value: BaseLine)

Set text baseline

fn arc( &self, x: f64, y: f64, radius: f64, start_angle: f64, end_angle: f64, anticlockwise: bool, )

Add arc to current path with anticlockwise param

fn arc_to(&self, x1: f64, y1: f64, x2: f64, y2: f64, radius: f64)

Add arc to current path

fn begin_path(&self)

Begin the path

fn bezier_curve_to( &self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, x: f64, y: f64, )

Add bezier curve to current path

fn clear_rect(&self, x: f64, y: f64, width: f64, height: f64)

Clear rectangle on current canvas

fn close_path(&self)

Close the current path

fn ellipse( &self, x: f64, y: f64, radius_x: f64, radius_y: f64, rotation: f64, start_angle: f64, end_angle: f64, anticlockwise: bool, )

Add ellipse to current path

fn fill(&self)

Fill current path

fn fill_rect(&self, x: f64, y: f64, width: f64, height: f64)

Fill rectangle

fn fill_text(&self, text: &str, x: f64, y: f64)

Draws text to the canvas.

fn get_line_dash(&self) -> Vec<f64>

Get line dash

fn line_to(&self, x: f64, y: f64)

Add line to path from current position

fn measure_text(&self, text: &str) -> TextMetrics

Measure text using current font face and font size

fn move_to(&self, x: f64, y: f64)

Move cursor to position

fn quadratic_curve_to(&self, cpx: f64, cpy: f64, x: f64, y: f64)

Add quadratic curve to current path

fn rect(&self, x: f64, y: f64, width: f64, height: f64)

Add rectangle to current path

fn reset_transform(&self)

Reset current transformations

fn restore(&self)

Restore transformations

fn rotate(&self, angle: f64)

Add rotate to current transformations

fn save(&self)

Save current transformations

fn scale(&self, x: f64, y: f64)

Add scle to current transformations

fn set_line_dash(&self, dash: &Vec<f64>)

Set line dash

fn set_transform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64)

Set transform matrix

fn stroke(&self)

Stroke current path

fn stroke_rect(&self, x: f64, y: f64, width: f64, height: f64)

Stroke rectangle

fn stroke_text(&self, text: &str, x: f64, y: f64)

Stroke text

fn transform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64)

Add transform matrix to current transformations

fn translate(&self, x: f64, y: f64)

Add translate to current transformations

Implementors

impl<'a> CanvasContext for Canvas<'a>

type Pattern = Pattern

impl<'a, C> CanvasContext for RoughCanvas<'a, C>

where C: CanvasContext<Pattern = Pattern>,

type Pattern = Pattern