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paint

0.3.0
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Make 2D drawings, animations, and games using the HTML Canvas

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paint src paint internal impl_canvas.gleam
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src/paint/internal/impl_canvas.gleam 

pub type RenderingContext2D



@external(javascript, "./../../impl_canvas_bindings.mjs", "define_web_component")

pub fn define_web_component() -> Nil



// TODO: forward the timestamp from the callback

@external(javascript, "./../../impl_canvas_bindings.mjs", "setup_request_animation_frame")

pub fn setup_request_animation_frame(callback: fn(Float) -> Nil) -> Nil



@external(javascript, "./../../impl_canvas_bindings.mjs", "get_rendering_context")

pub fn get_rendering_context(selector: String) -> RenderingContext2D



@external(javascript, "../../impl_canvas_bindings.mjs", "setup_input_handler")

pub fn setup_input_handler(event: String, callback: fn(event) -> Nil) -> Nil



pub type KeyboardEvent



@external(javascript, "./../../impl_canvas_bindings.mjs", "get_key_code")

pub fn get_key_code(event: KeyboardEvent) -> Int



pub type MouseEvent



@external(javascript, "./../../impl_canvas_bindings.mjs", "mouse_pos")

pub fn mouse_pos(ctx: RenderingContext2D, event: MouseEvent) -> #(Float, Float)



@external(javascript, "./../../impl_canvas_bindings.mjs", "check_mouse_button")

pub fn check_mouse_button(

  event: MouseEvent,

  previous_event: MouseEvent,

  button_index: Int,

  check_pressed check_pressed: Bool,

) -> Bool



@external(javascript, "../../impl_canvas_bindings.mjs", "get_width")

pub fn get_width(ctx: RenderingContext2D) -> Float



@external(javascript, "../../impl_canvas_bindings.mjs", "get_height")

pub fn get_height(ctx: RenderingContext2D) -> Float



@external(javascript, "../../impl_canvas_bindings.mjs", "set_global")

pub fn set_global(state: state, id: String) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "get_global")

pub fn get_global(id: String) -> state



@external(javascript, "../../impl_canvas_bindings.mjs", "reset")

pub fn reset(ctx: RenderingContext2D) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "save")

pub fn save(ctx: RenderingContext2D) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "restore")

pub fn restore(ctx: RenderingContext2D) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "translate")

pub fn translate(ctx: RenderingContext2D, x: Float, y: Float) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "scale")

pub fn scale(ctx: RenderingContext2D, x: Float, y: Float) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "rotate")

pub fn rotate(ctx: RenderingContext2D, radians: Float) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "reset_transform")

pub fn reset_transform(ctx: RenderingContext2D) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "set_fill_colour")

pub fn set_fill_colour(ctx: RenderingContext2D, css_colour: String) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "set_stroke_color")

pub fn set_stroke_color(ctx: RenderingContext2D, css_color: String) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "set_line_width")

pub fn set_line_width(ctx: RenderingContext2D, width: Float) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "arc")

pub fn arc(

  ctx: RenderingContext2D,

  radius: Float,

  start: Float,

  end: Float,

  fill: Bool,

  stroke: Bool,

) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "polygon")

pub fn polygon(

  ctx: RenderingContext2D,

  points: List(#(Float, Float)),

  closed: Bool,

  fill: Bool,

  stroke: Bool,

) -> Nil



@external(javascript, "../../impl_canvas_bindings.mjs", "text")

pub fn text(ctx: RenderingContext2D, text: String, style: String) -> Nil