Struct DrawingArea

pub struct DrawingArea<DB: DrawingBackend, CT: CoordTranslate> { /* private fields */ }

The abstraction of a region

Implementations

impl<DB: DrawingBackend, X: Ranged, Y: Ranged> DrawingArea<DB, RangedCoord<X, Y>>

pub fn draw_mesh<DrawFunc>( &self, draw_func: DrawFunc, y_count_max: usize, x_count_max: usize, ) -> Result<(), DrawingAreaErrorKind<DB::ErrorType>>

where DrawFunc: FnMut(&mut DB, MeshLine<'_, X, Y>) -> Result<(), DrawingErrorKind<DB::ErrorType>>,

Draw the mesh on a area

pub fn get_x_range(&self) -> Range<X::ValueType>

Get the range of X of the guest coordinate for current drawing area

pub fn get_y_range(&self) -> Range<Y::ValueType>

Get the range of Y of the guest coordinate for current drawing area

impl<DB: DrawingBackend, CT: CoordTranslate> DrawingArea<DB, CT>

pub fn get_base_pixel(&self) -> BackendCoord

Get the left upper conner of this area in the drawing backend

pub fn strip_coord_spec(&self) -> DrawingArea<DB, Shift>

Strip the applied coordinate specification and returns a shift-based drawing area

pub fn dim_in_pixel(&self) -> (u32, u32)

Get the area dimension in pixel

pub fn get_pixel_range(&self) -> (Range<i32>, Range<i32>)

Get the pixel range of this area

pub fn fill<ColorType: Color>( &self, color: &ColorType, ) -> Result<(), DrawingAreaErrorKind<DB::ErrorType>>

Fill the entire drawing area with a color

pub fn draw_pixel<ColorType: Color>( &self, pos: CT::From, color: &ColorType, ) -> Result<(), DrawingAreaErrorKind<DB::ErrorType>>

Draw a single pixel

pub fn present(&self) -> Result<(), DrawingAreaErrorKind<DB::ErrorType>>

Present all the pending changes to the backend

pub fn draw<'a, E>( &self, element: &'a E, ) -> Result<(), DrawingAreaErrorKind<DB::ErrorType>>

where &'a E: PointCollection<'a, CT::From>, E: Drawable<DB>,

Draw an high-level element

pub fn map_coordinate(&self, coord: &CT::From) -> BackendCoord

Map coordinate to the backend coordinate

impl<DB: DrawingBackend> DrawingArea<DB, Shift>

pub fn shrink( self, left_upper: (u32, u32), dimension: (u32, u32), ) -> DrawingArea<DB, Shift>

Shrink the region, note all the locaitions are in guest coordinate

pub fn apply_coord_spec<CT: CoordTranslate>( &self, coord_spec: CT, ) -> DrawingArea<DB, CT>

Apply a new coord transformation object and returns a new drawing area

pub fn margin( &self, top: i32, bottom: i32, left: i32, right: i32, ) -> DrawingArea<DB, Shift>

Create a margin for the given drawing area and returns the new drawing area

pub fn split_vertically(&self, y: i32) -> (Self, Self)

Split the drawing area vertically

pub fn split_horizentally(&self, x: i32) -> (Self, Self)

Split the drawing area horizentally

pub fn split_evenly(&self, (row, col): (usize, usize)) -> Vec<Self>

Split the drawing area evenly

pub fn titled<'a, S: Into<TextStyle<'a>>>( &self, text: &str, style: S, ) -> Result<Self, DrawingAreaErrorKind<DB::ErrorType>>

Draw a title of the drawing area and return the remaining drawing area

pub fn draw_text( &self, text: &str, style: &TextStyle<'_>, pos: BackendCoord, ) -> Result<(), DrawingAreaErrorKind<DB::ErrorType>>

Draw text on the drawing area

impl<DB: DrawingBackend, CT: CoordTranslate> DrawingArea<DB, CT>

pub fn into_coord_spec(self) -> CT

Trait Implementations

impl<DB: DrawingBackend, CT: CoordTranslate + Clone> Clone for DrawingArea<DB, CT>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<DB: DrawingBackend> From<DB> for DrawingArea<DB, Shift>

fn from(backend: DB) -> Self

Converts to this type from the input type.