Struct CairoCanvas 

pub struct CairoCanvas { /* private fields */ }

The Cairo backend for plt.

Implementations

impl CairoCanvas

pub fn from_context( context: &Context, size: Size, image_format: ImageFormat, ) -> Self

Construct from existing context.

Trait Implementations

impl Canvas for CairoCanvas

fn new(desc: CanvasDescriptor) -> Result<Self, DrawError>

The main constructor.

fn draw_shape(&mut self, desc: ShapeDescriptor<'_>) -> Result<(), DrawError>

Draws a shape described by a ShapeDescriptor.

fn draw_line(&mut self, desc: LineDescriptor<'_>) -> Result<(), DrawError>

Draws a line described by a LineDescriptor.

fn draw_curve(&mut self, desc: CurveDescriptor<'_>) -> Result<(), DrawError>

Draws a curve described by a CurveDescriptor.

fn fill_region(&mut self, desc: FillDescriptor) -> Result<(), DrawError>

Draws color in a closed, arbitrary region described by a FillDescriptor.

fn draw_text(&mut self, desc: TextDescriptor) -> Result<(), DrawError>

Draws text described by a TextDescriptor.

fn text_size(&mut self, desc: TextDescriptor) -> Result<Size, DrawError>

Returns a Size representing the extent of the text described by a TextDescriptor.

fn save_file<P: AsRef<Path>>( &mut self, desc: SaveFileDescriptor<P>, ) -> Result<(), DrawError>

Save the image to a file.

fn size(&self) -> Result<Size, DrawError>

Get canvas size.

impl Debug for CairoCanvas

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

Formats the value using the given formatter.