hb_paint_funcs_set_linear_gradient_func function

  1. @Native<Void Function(Pointer<hb_paint_funcs_t>, Pointer<NativeFunction<Void Function(Pointer<hb_paint_funcs_t> funcs, Pointer<Void> paint_data, Pointer<hb_color_line_t> color_line, Float x0, Float y0, Float x1, Float y1, Float x2, Float y2, Pointer<Void> user_data)>>, Pointer<Void>, Pointer<NativeFunction<Void Function(Pointer<Void> user_data)>>)>(ffi.Pointer<hb_paint_funcs_t>, ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<hb_paint_funcs_t> funcs, ffi.Pointer<ffi.Void> paint_data, ffi.Pointer<hb_color_line_t> color_line, ffi.Float x0, ffi.Float y0, ffi.Float x1, ffi.Float y1, ffi.Float x2, ffi.Float y2, ffi.Pointer<ffi.Void> user_data)>>, ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> user_data)>>)>()
void hb_paint_funcs_set_linear_gradient_func(
  1. Pointer<hb_paint_funcs_t> funcs,
  2. Pointer<NativeFunction<Void Function(Pointer<hb_paint_funcs_t> funcs, Pointer<Void> paint_data, Pointer<hb_color_line_t> color_line, Float x0, Float y0, Float x1, Float y1, Float x2, Float y2, Pointer<Void> user_data)>> func,
  3. Pointer<Void> user_data,
  4. Pointer<NativeFunction<Void Function(Pointer<Void> user_data)>> destroy,
)

hb_paint_funcs_set_linear_gradient_func: @funcs: A paint functions struct @func: (closure user_data) (destroy destroy) (scope notified): The linear-gradient callback @user_data: Data to pass to @func @destroy: (nullable): Function to call when @user_data is no longer needed

Sets the linear-gradient callback on the paint functions struct.

Since: 7.0.0

Implementation

@ffi.Native<
  ffi.Void Function(
    ffi.Pointer<hb_paint_funcs_t>,
    ffi.Pointer<
      ffi.NativeFunction<
        ffi.Void Function(
          ffi.Pointer<hb_paint_funcs_t> funcs,
          ffi.Pointer<ffi.Void> paint_data,
          ffi.Pointer<hb_color_line_t> color_line,
          ffi.Float x0,
          ffi.Float y0,
          ffi.Float x1,
          ffi.Float y1,
          ffi.Float x2,
          ffi.Float y2,
          ffi.Pointer<ffi.Void> user_data,
        )
      >
    >,
    ffi.Pointer<ffi.Void>,
    ffi.Pointer<
      ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> user_data)>
    >,
  )
>()
external void hb_paint_funcs_set_linear_gradient_func(
  ffi.Pointer<hb_paint_funcs_t> funcs,
  ffi.Pointer<
    ffi.NativeFunction<
      ffi.Void Function(
        ffi.Pointer<hb_paint_funcs_t> funcs,
        ffi.Pointer<ffi.Void> paint_data,
        ffi.Pointer<hb_color_line_t> color_line,
        ffi.Float x0,
        ffi.Float y0,
        ffi.Float x1,
        ffi.Float y1,
        ffi.Float x2,
        ffi.Float y2,
        ffi.Pointer<ffi.Void> user_data,
      )
    >
  >
  func,
  ffi.Pointer<ffi.Void> user_data,
  ffi.Pointer<
    ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> user_data)>
  >
  destroy,
);