Struct PlatformRenderInterface 

pub struct PlatformRenderInterface { /* private fields */ }

Vello platform render interface.

Implementations

impl PlatformRenderInterface

pub fn new(options: VelloOptions) -> Self

Creates the render interface of the given options.

pub fn rendering_modes(&self) -> &[VelloRenderingMode]

The rendering modes scenes are drawn in, in the order they are tried.

Trait Implementations

impl Default for PlatformRenderInterface

fn default() -> Self

Returns the “default value” for a type.

impl IPlatformRenderInterface for PlatformRenderInterface

fn create_ellipse_geometry(&self, rect: Rect) -> Arc<dyn IGeometryImpl>

Creates an ellipse geometry implementation.

fn create_line_geometry(&self, p1: Point, p2: Point) -> Arc<dyn IGeometryImpl>

Creates a line geometry implementation.

fn create_rectangle_geometry(&self, rect: Rect) -> Arc<dyn IGeometryImpl>

Creates a rectangle geometry implementation.

fn create_stream_geometry_builder( &self, source: Option<&dyn IGeometryImpl>, ) -> Box<dyn IStreamGeometryBuilder>

Creates a builder used to define a stream geometry.

fn create_geometry_group( &self, fill_rule: FillRule, children: &[Arc<dyn IGeometryImpl>], ) -> Arc<dyn IGeometryImpl>

Creates a geometry group implementation.

fn create_combined_geometry( &self, combine_mode: GeometryCombineMode, g1: Arc<dyn IGeometryImpl>, g2: Arc<dyn IGeometryImpl>, ) -> Arc<dyn IGeometryImpl>

Creates a geometry that combines two geometries.

fn build_glyph_run_geometry( &self, glyph_run: &GlyphRun, ) -> Arc<dyn IGeometryImpl>

Builds a glyph run geometry.

fn create_glyph_run( &self, glyph_typeface: &Rc<GlyphTypeface>, font_rendering_em_size: f64, glyph_infos: &[GlyphInfo], baseline_origin: Point, ) -> Arc<dyn IGlyphRunImpl>

Creates a platform implementation of a glyph run.

fn create_render_target_bitmap( &self, size: PixelSize, dpi: Vector, ) -> Arc<dyn IRenderTargetBitmapImpl>

Creates a render target bitmap.

fn create_writeable_bitmap( &self, size: PixelSize, dpi: Vector, format: PixelFormat, alpha_format: AlphaFormat, ) -> Arc<dyn IWriteableBitmapImpl>

Creates a writeable bitmap.

fn load_bitmap_from_file( &self, file_name: &str, ) -> Result<Arc<SharedBitmapImpl>>

Loads a bitmap from a file.

fn load_bitmap(&self, stream: &mut dyn Read) -> Result<Arc<SharedBitmapImpl>>

Loads a bitmap from a stream.

fn load_writeable_bitmap_to_width( &self, stream: &mut dyn Read, width: i32, interpolation_mode: BitmapInterpolationMode, ) -> Result<Arc<dyn IWriteableBitmapImpl>>

Loads a writeable bitmap from a stream, decoded to the given width.

fn load_writeable_bitmap_to_height( &self, stream: &mut dyn Read, height: i32, interpolation_mode: BitmapInterpolationMode, ) -> Result<Arc<dyn IWriteableBitmapImpl>>

Loads a writeable bitmap from a stream, decoded to the given height.

fn load_writeable_bitmap_from_file( &self, file_name: &str, ) -> Result<Arc<dyn IWriteableBitmapImpl>>

Loads a writeable bitmap from a file.

fn load_writeable_bitmap( &self, stream: &mut dyn Read, ) -> Result<Arc<dyn IWriteableBitmapImpl>>

Loads a writeable bitmap from a stream.

fn load_bitmap_to_width( &self, stream: &mut dyn Read, width: i32, interpolation_mode: BitmapInterpolationMode, ) -> Result<Arc<SharedBitmapImpl>>

Loads a bitmap from a stream, decoded to the given width.

fn load_bitmap_to_height( &self, stream: &mut dyn Read, height: i32, interpolation_mode: BitmapInterpolationMode, ) -> Result<Arc<SharedBitmapImpl>>

Loads a bitmap from a stream, decoded to the given height.

fn resize_bitmap( &self, bitmap_impl: &dyn IBitmapImpl, destination_size: PixelSize, interpolation_mode: BitmapInterpolationMode, ) -> Arc<SharedBitmapImpl>

Creates a resized copy of a bitmap.

fn load_bitmap_from_pixels( &self, format: PixelFormat, alpha_format: AlphaFormat, data: &[u8], size: PixelSize, dpi: Vector, stride: i32, ) -> Arc<SharedBitmapImpl>

Loads a bitmap from raw pixel data.

fn create_backend_context( &self, graphics_api_context: Option<Rc<dyn IPlatformGraphicsContext>>, ) -> Rc<dyn IPlatformRenderInterfaceContext>

Creates a backend-specific render context from a platform graphics context (None selects software rendering).

fn supports_individual_round_rects(&self) -> bool

Whether the backend supports individual corner radii on rounded rectangles.

fn default_alpha_format(&self) -> AlphaFormat

The default alpha format of the backend.

fn default_pixel_format(&self) -> PixelFormat

The default pixel format of the backend.

fn is_supported_bitmap_pixel_format(&self, format: PixelFormat) -> bool

Whether bitmaps can be created in the given pixel format.

fn supports_regions(&self) -> bool

Whether the backend supports regions.

fn create_region(&self) -> Rc<dyn IPlatformRenderInterfaceRegion>

Creates an empty region.