Struct DrawingContext 

pub struct DrawingContext<'a>(/* private fields */);

Available on crate feature winio only.

Canvas drawing context.

Implementations

impl<'a> DrawingContext<'a>

pub fn close(self) -> Result<(), Error>

Close the context manually.

pub fn set_transform( &mut self, transform: Transform2D<f64, LogicalSpace, LogicalSpace>, ) -> Result<(), Error>

Set the transform matrix.

pub fn transform( &self, ) -> Result<Transform2D<f64, LogicalSpace, LogicalSpace>, Error>

Get the transform matrix.

pub fn draw_path( &mut self, pen: impl Pen, path: &DrawingPath, ) -> Result<(), Error>

Draw a path.

pub fn fill_path( &mut self, brush: impl Brush, path: &DrawingPath, ) -> Result<(), Error>

Fill a path.

pub fn draw_arc( &mut self, pen: impl Pen, rect: Rect<f64, LogicalSpace>, start: f64, end: f64, ) -> Result<(), Error>

Draw an arc.

pub fn draw_pie( &mut self, pen: impl Pen, rect: Rect<f64, LogicalSpace>, start: f64, end: f64, ) -> Result<(), Error>

Draw an arc.

pub fn fill_pie( &mut self, brush: impl Brush, rect: Rect<f64, LogicalSpace>, start: f64, end: f64, ) -> Result<(), Error>

Fill a pie.

pub fn draw_ellipse( &mut self, pen: impl Pen, rect: Rect<f64, LogicalSpace>, ) -> Result<(), Error>

Draw an ellipse.

pub fn fill_ellipse( &mut self, brush: impl Brush, rect: Rect<f64, LogicalSpace>, ) -> Result<(), Error>

Fill an ellipse.

pub fn draw_line( &mut self, pen: impl Pen, start: Point2D<f64, LogicalSpace>, end: Point2D<f64, LogicalSpace>, ) -> Result<(), Error>

Draw a line.

pub fn draw_rect( &mut self, pen: impl Pen, rect: Rect<f64, LogicalSpace>, ) -> Result<(), Error>

Draw a rectangle.

pub fn fill_rect( &mut self, brush: impl Brush, rect: Rect<f64, LogicalSpace>, ) -> Result<(), Error>

Fill a rectangle.

pub fn draw_round_rect( &mut self, pen: impl Pen, rect: Rect<f64, LogicalSpace>, round: Size2D<f64, LogicalSpace>, ) -> Result<(), Error>

Draw a rounded rectangle.

pub fn fill_round_rect( &mut self, brush: impl Brush, rect: Rect<f64, LogicalSpace>, round: Size2D<f64, LogicalSpace>, ) -> Result<(), Error>

Fill a rounded rectangle.

pub fn draw_str( &mut self, brush: impl Brush, font: DrawingFont, pos: Point2D<f64, LogicalSpace>, text: impl AsRef<str>, ) -> Result<(), Error>

Draw a string.

pub fn measure_str( &self, font: DrawingFont, text: &str, ) -> Result<Size2D<f64, LogicalSpace>, Error>

Measure string size.

pub fn create_image(&self, image: DynamicImage) -> Result<DrawingImage, Error>

Create a DrawingContext-compatible image from DynamicImage.

pub fn draw_image( &mut self, image: &DrawingImage, rect: Rect<f64, LogicalSpace>, clip: Option<Rect<f64, LogicalSpace>>, ) -> Result<(), Error>

Draw a image with RGBA format.

pub fn create_path_builder( &self, start: Point2D<f64, LogicalSpace>, ) -> Result<DrawingPathBuilder, Error>

Create DrawingPathBuilder.