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Basics

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API Reference

class: drawfuncst

[15:7] extends: object

Glyph draw callbacks. #hb_draw_move_to_func_t, #hb_draw_line_to_func_t and #hb_draw_cubic_to_func_t calls are necessary to be defined but we translate #hb_draw_quadratic_to_func_t calls to #hb_draw_cubic_to_func_t if the callback isn't defined.

Members

  • handleObj
  • lib
  • retainedCallbacks
  • signalHandlerNames
  • signalSetterHandlers

Methods

  • drawfuncst (Handle = null)

    Creates a new draw_funcs_t by wrapping a native handle or another wrapper.

    • @p Handle is the native handle or another wrapper whose handle to adopt.
  • toNativeHandle (Source)

    Normalizes a constructor argument into a raw pointer carrier. Accepts a raw NativeHandle, a raw NativeBuffer returned from fn.call(...), another generated wrapper exposing handle(), or null. Returns null when the argument carries no pointer.

    • @p Source is the raw handle, raw buffer, wrapper, or null.
    • @r A raw pointer carrier or null when no pointer is present.
  • getLib ()

    Returns the opened native library for this generated wrapper.

    • @r The opened native library.
  • handle ()

    Returns the wrapped NativeHandle.

    • @r The wrapped NativeHandle.
  • isNull ()

    Returns true when the wrapped handle is null.

    • @r A bool.
  • describe ()

    Returns a small string for debugging generated wrappers.

    • @r A string.