Add image and hash snapshot-based testing to `iced_test`

3 files changed, 37 insertions, 1 deletions

diff --git a/core/src/theme.rs b/core/src/theme.rs
index 6b2c04da..23480cec 100644
--- a/core/src/theme.rs
+++ b/core/src/theme.rs
@@ -3,6 +3,8 @@ pub mod palette;
 
 pub use palette::Palette;
 
+use crate::Color;
+
 use std::fmt;
 use std::sync::Arc;
 
@@ -246,3 +248,35 @@ impl fmt::Display for Custom {
         write!(f, "{}", self.name)
     }
 }
+
+/// The base style of a [`Theme`].
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub struct Style {
+    /// The background [`Color`] of the application.
+    pub background_color: Color,
+
+    /// The default text [`Color`] of the application.
+    pub text_color: Color,
+}
+
+/// The default blank style of a [`Theme`].
+pub trait Base {
+    /// Returns the default base [`Style`] of a [`Theme`].
+    fn base(&self) -> Style;
+}
+
+impl Base for Theme {
+    fn base(&self) -> Style {
+        default(self)
+    }
+}
+
+/// The default [`Style`] of a built-in [`Theme`].
+pub fn default(theme: &Theme) -> Style {
+    let palette = theme.extended_palette();
+
+    Style {
+        background_color: palette.background.base.color,
+        text_color: palette.background.base.text,
+    }
+}
diff --git a/core/src/window.rs b/core/src/window.rs
index 448ffc45..a3389998 100644
--- a/core/src/window.rs
+++ b/core/src/window.rs
@@ -1,5 +1,6 @@
 //! Build window-based GUI applications.
 pub mod icon;
+pub mod screenshot;
 pub mod settings;
 
 mod event;
@@ -17,5 +18,6 @@ pub use level::Level;
 pub use mode::Mode;
 pub use position::Position;
 pub use redraw_request::RedrawRequest;
+pub use screenshot::Screenshot;
 pub use settings::Settings;
 pub use user_attention::UserAttention;
diff --git a/runtime/src/window/screenshot.rs b/core/src/window/screenshot.rs
index d9adbc01..424168bb 100644
--- a/runtime/src/window/screenshot.rs
+++ b/core/src/window/screenshot.rs
@@ -1,5 +1,5 @@
 //! Take screenshots of a window.
-use crate::core::{Rectangle, Size};
+use crate::{Rectangle, Size};
 
 use bytes::Bytes;
 use std::fmt::{Debug, Formatter};