Struct FormaContext

pub struct FormaContext { /* private fields */ }

Trait Implementations

impl Context<Forma> for FormaContext

fn pixel_format(&self) -> PixelFormat

Returns the context’s pixel format.

fn path_builder(&self) -> Option<FormaPathBuilder>

Optionally returns a PathBuilder. May return None of old builder is still alive.

fn raster_builder(&self) -> Option<FormaRasterBuilder>

Optionally returns a RasterBuilder. May return None of old builder is still alive.

fn new_image(&mut self, size: Size2D<u32>) -> FormaImage

Creates a new image with size.

fn new_image_from_png<R: Read>( &mut self, reader: &mut Reader<R>, ) -> Result<FormaImage, Error>

Creates a new image from PNG reader.

fn get_image(&mut self, image_index: u32) -> FormaImage

Returns the image at image_index.

fn get_current_image(&mut self, context: &ViewAssistantContext) -> FormaImage

Returns the context’s current image.

fn render_with_clip( &mut self, composition: &mut FormaComposition, clip: Rect<u32>, image: FormaImage, ext: &RenderExt<Forma>, )

Renders the composition with a clip to the image.

fn render( &mut self, composition: &mut B::Composition, clip: Option<Rect<u32>>, image: B::Image, ext: &RenderExt<B>, )

Renders the composition with an optional clip to the image.

impl Debug for FormaContext

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

Formats the value using the given formatter.