Struct iced_glow::Backend

pub struct Backend { /* fields omitted */ }

A glow graphics backend for iced.

Implementations

impl Backend

pub fn new(gl: &Context, settings: Settings) -> Self

Creates a new Backend.

pub fn draw<T: AsRef<str>>(
    &mut self,
    gl: &Context,
    viewport: &Viewport,
    (primitive, mouse_interaction): &(Primitive, Interaction),
    overlay_text: &[T]
) -> Interaction

Draws the provided primitives in the default framebuffer.

The text provided as overlay will be rendered on top of the primitives. This is useful for rendering debug information.

Trait Implementations

impl Backend for Backend

fn trim_measurements(&mut self)

Trims the measurements cache.

impl Debug for Backend

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

Formats the value using the given formatter.

impl Image for Backend

fn dimensions(&self, _handle: &Handle) -> (u32, u32)

Returns the dimensions of the provided image.

impl Svg for Backend

fn viewport_dimensions(&self, _handle: &Handle) -> (u32, u32)

Returns the viewport dimensions of the provided SVG.

impl Text for Backend

const ICON_FONT: Font

The icon font of the backend.

const CHECKMARK_ICON: char

The char representing a ✔ icon in the [ICON_FONT].

const ARROW_DOWN_ICON: char

The char representing a ▼ icon in the built-in [ICONS] font.

fn default_size(&self) -> u16

Returns the default size of text.

fn measure(
    &self,
    contents: &str,
    size: f32,
    font: Font,
    bounds: Size
) -> (f32, f32)

Measures the text contents with the given size and font, returning the size of a laid out paragraph that fits in the provided bounds.