Struct Zentype 

pub struct Zentype { /* private fields */ }

The “Zero-Config” entry point for the Zentype engine.

This managed API handles the entire lifecycle of font shaping, rasterization, and GPU atlas management internally.

Implementations

impl Zentype

pub fn new( device: Arc<Device>, queue: &Queue, config: &SurfaceConfiguration, ) -> Self

Creates a new Zentype instance with all default engines enabled.

pub fn draw( &mut self, queue: &Queue, text: &str, pos: [f32; 2], options: &TextOptions, ) -> ShapedBuffer

Prepares text for drawing in the current frame at the specified position. Returns the ShapedBuffer for interactivity.

pub fn print( &mut self, queue: &Queue, text: &str, pos: [f32; 2], size: f32, color: Color, ) -> ShapedBuffer

A convenience method for printing simple text labels.

pub fn draw_rect( &mut self, pos: [f32; 2], size: [f32; 2], color: Color, clip_rect: [f32; 4], )

Draws a solid colored rectangle with optional clipping. Perfect for cursors, underlines, or selection highlights.

pub fn hit_test( &self, buffer: &ShapedBuffer, pos: [f32; 2], options: &TextOptions, mouse_pos: [f32; 2], ) -> usize

Finds the character index at the given screen-space coordinates for a specific buffer.

pub fn position_at( &self, buffer: &ShapedBuffer, pos: [f32; 2], options: &TextOptions, index: usize, ) -> Option<[f32; 2]>

Returns the screen-space position for a given character index in a specific buffer.

pub fn resize(&mut self, queue: &Queue, width: u32, height: u32)

Resizes the engine’s projection to match the window dimensions.

pub fn render<'a>(&'a mut self, rpass: &mut RenderPass<'a>)

Renders all accumulated text instances to the provided RenderPass.

pub fn renderer_mut(&mut self) -> &mut TextRenderer

Access the underlying renderer for advanced usage.

pub fn font_system(&self) -> Arc<Mutex<FontSystem>>

Access the font system used by the engine.