Reuse Text widget from iced_native in iced_pure
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182fb9446c
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dee3dba632
3 changed files with 19 additions and 116 deletions
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@ -43,7 +43,7 @@ impl Sandbox for Counter {
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.padding(20)
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.padding(20)
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.align_items(Alignment::Center)
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.align_items(Alignment::Center)
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.push(button("Increment").on_press(Message::IncrementPressed))
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.push(button("Increment").on_press(Message::IncrementPressed))
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.push(text(self.value).size(50))
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.push(text(self.value.to_string()).size(50))
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.push(button("Decrement").on_press(Message::DecrementPressed))
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.push(button("Decrement").on_press(Message::DecrementPressed))
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.into()
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.into()
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}
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}
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@ -99,7 +99,7 @@ pub fn button<'a, Message, Renderer>(
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Button::new(content)
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Button::new(content)
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}
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}
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pub fn text<Renderer>(text: impl ToString) -> Text<Renderer>
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pub fn text<Renderer>(text: impl Into<String>) -> Text<Renderer>
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where
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where
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Renderer: iced_native::text::Renderer,
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Renderer: iced_native::text::Renderer,
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{
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{
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@ -1,92 +1,13 @@
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use crate::{Element, Tree, Widget};
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use crate::{Element, Tree, Widget};
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use iced_native::alignment;
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use iced_native::layout::{self, Layout};
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use iced_native::layout::{self, Layout};
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use iced_native::renderer;
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use iced_native::renderer;
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use iced_native::text;
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use iced_native::text;
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use iced_native::{Color, Hasher, Length, Point, Rectangle, Size};
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use iced_native::{Hasher, Length, Point, Rectangle};
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use std::any::{self, Any};
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use std::any::{self, Any};
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pub struct Text<Renderer>
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pub use iced_native::widget::Text;
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where
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Renderer: text::Renderer,
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{
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content: String,
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size: Option<u16>,
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color: Option<Color>,
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font: Renderer::Font,
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width: Length,
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height: Length,
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horizontal_alignment: alignment::Horizontal,
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vertical_alignment: alignment::Vertical,
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}
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impl<Renderer: text::Renderer> Text<Renderer> {
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/// Create a new fragment of [`Text`] with the given contents.
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pub fn new<T: ToString>(label: T) -> Self {
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Text {
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content: label.to_string(),
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size: None,
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color: None,
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font: Default::default(),
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width: Length::Shrink,
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height: Length::Shrink,
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horizontal_alignment: alignment::Horizontal::Left,
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vertical_alignment: alignment::Vertical::Top,
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}
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}
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/// Sets the size of the [`Text`].
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pub fn size(mut self, size: u16) -> Self {
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self.size = Some(size);
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self
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}
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/// Sets the [`Color`] of the [`Text`].
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pub fn color<C: Into<Color>>(mut self, color: C) -> Self {
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self.color = Some(color.into());
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self
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}
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/// Sets the [`Font`] of the [`Text`].
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///
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/// [`Font`]: Renderer::Font
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pub fn font(mut self, font: impl Into<Renderer::Font>) -> Self {
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self.font = font.into();
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self
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}
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/// Sets the width of the [`Text`] boundaries.
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pub fn width(mut self, width: Length) -> Self {
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self.width = width;
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self
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}
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/// Sets the height of the [`Text`] boundaries.
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pub fn height(mut self, height: Length) -> Self {
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self.height = height;
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self
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}
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/// Sets the [`HorizontalAlignment`] of the [`Text`].
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pub fn horizontal_alignment(
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mut self,
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alignment: alignment::Horizontal,
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) -> Self {
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self.horizontal_alignment = alignment;
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self
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}
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/// Sets the [`VerticalAlignment`] of the [`Text`].
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pub fn vertical_alignment(
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mut self,
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alignment: alignment::Vertical,
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) -> Self {
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self.vertical_alignment = alignment;
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self
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}
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}
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impl<Message, Renderer> Widget<Message, Renderer> for Text<Renderer>
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impl<Message, Renderer> Widget<Message, Renderer> for Text<Renderer>
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where
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where
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@ -105,11 +26,11 @@ where
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}
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}
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fn width(&self) -> Length {
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fn width(&self) -> Length {
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self.width
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<Self as iced_native::Widget<Message, Renderer>>::width(self)
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}
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}
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fn height(&self) -> Length {
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fn height(&self) -> Length {
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self.height
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<Self as iced_native::Widget<Message, Renderer>>::height(self)
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}
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}
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fn layout(
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fn layout(
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@ -117,18 +38,9 @@ where
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renderer: &Renderer,
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renderer: &Renderer,
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limits: &layout::Limits,
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limits: &layout::Limits,
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) -> layout::Node {
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) -> layout::Node {
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let limits = limits.width(self.width).height(self.height);
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<Self as iced_native::Widget<Message, Renderer>>::layout(
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self, renderer, limits,
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let size = self.size.unwrap_or(renderer.default_size());
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)
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let bounds = limits.max();
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let (width, height) =
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renderer.measure(&self.content, size, self.font.clone(), bounds);
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let size = limits.resolve(Size::new(width, height));
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layout::Node::new(size)
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}
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}
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fn draw(
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fn draw(
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@ -137,32 +49,23 @@ where
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renderer: &mut Renderer,
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renderer: &mut Renderer,
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style: &renderer::Style,
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style: &renderer::Style,
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layout: Layout<'_>,
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layout: Layout<'_>,
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_cursor_position: Point,
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cursor_position: Point,
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_viewport: &Rectangle,
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viewport: &Rectangle,
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) {
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) {
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iced_native::widget::text::draw(
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<Self as iced_native::Widget<Message, Renderer>>::draw(
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self,
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renderer,
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renderer,
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style,
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style,
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layout,
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layout,
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&self.content,
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cursor_position,
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self.font.clone(),
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viewport,
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self.size,
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)
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self.color,
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self.horizontal_alignment,
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self.vertical_alignment,
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);
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}
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}
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fn hash_layout(&self, state: &mut Hasher) {
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fn hash_layout(&self, state: &mut Hasher) {
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use std::hash::Hash;
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<Self as iced_native::Widget<Message, Renderer>>::hash_layout(
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self, state,
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struct Marker;
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)
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std::any::TypeId::of::<Marker>().hash(state);
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self.content.hash(state);
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self.size.hash(state);
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self.width.hash(state);
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self.height.hash(state);
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}
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}
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}
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}
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