[−][src]Trait kas_theme::ThemeDst

pub trait ThemeDst<D: DrawShared>: ThemeApi {
    fn init(&mut self, draw: &mut D);

    fn new_window(
        &self, 
        draw: &mut D::Draw, 
        dpi_factor: f32
    ) -> StackDst<dyn WindowDst<D::Draw>>;

    fn update_window(
        &self, 
        window: &mut dyn WindowDst<D::Draw>, 
        dpi_factor: f32
    );

    unsafe fn draw_handle(
        &self, 
        draw: &mut D::Draw, 
        window: &mut dyn WindowDst<D::Draw>, 
        rect: Rect
    ) -> StackDst<dyn DrawHandle>;

    fn clear_colour(&self) -> Colour;
}

As Theme, but without associated types

This trait is implemented automatically for all implementations of Theme. It is intended only for use where a less parameterised trait is required.

Feature gated: this is only available with feature stack_dst.

Required methods

fn init(&mut self, draw: &mut D)

Theme initialisation

See also Theme::init.

fn new_window(
    &self,
    draw: &mut D::Draw,
    dpi_factor: f32
) -> StackDst<dyn WindowDst<D::Draw>>

Construct per-window storage

Uses a StackDst to avoid requiring an associated type.

See also Theme::new_window.

fn update_window(&self, window: &mut dyn WindowDst<D::Draw>, dpi_factor: f32)

Update a window created by Theme::new_window

See also Theme::update_window.

unsafe fn draw_handle(
    &self,
    draw: &mut D::Draw,
    window: &mut dyn WindowDst<D::Draw>,
    rect: Rect
) -> StackDst<dyn DrawHandle>

Construct a DrawHandle object

Uses a StackDst to avoid requiring an associated type.

See also Theme::draw_handle.

This function is unsafe because the returned object requires a lifetime bound not exceeding that of all three pointers passed in.

fn clear_colour(&self) -> Colour

Background colour

See also Theme::clear_colour.

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Implementors

impl<'a, D: DrawShared, T: Theme<D>> ThemeDst<D> for T where
    <T as Theme<D>>::DrawHandle: 'static,
    <<T as Theme<D>>::Window as Window<D::Draw>>::SizeHandle: 'static, [src]

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