Merge pull request #1830 from iced-rs/advanced-text

Advanced text

1 files changed, 16 insertions, 4 deletions

diff --git a/graphics/src/backend.rs b/graphics/src/backend.rs
index 256b7ab5..ae89da06 100644
--- a/graphics/src/backend.rs
+++ b/graphics/src/backend.rs
@@ -1,8 +1,10 @@
 //! Write a graphics backend.
-use iced_native::image;
-use iced_native::svg;
-use iced_native::text;
-use iced_native::{Font, Point, Size};
+use iced_core::image;
+use iced_core::svg;
+use iced_core::text;
+use iced_core::{Font, Point, Size};
+
+use std::borrow::Cow;
 
 /// The graphics backend of a [`Renderer`].
 ///
@@ -31,6 +33,9 @@ pub trait Text {
     /// [`ICON_FONT`]: Self::ICON_FONT
     const ARROW_DOWN_ICON: char;
 
+    /// Returns the default [`Font`].
+    fn default_font(&self) -> Font;
+
     /// Returns the default size of text.
     fn default_size(&self) -> f32;
 
@@ -41,8 +46,10 @@ pub trait Text {
         &self,
         contents: &str,
         size: f32,
+        line_height: text::LineHeight,
         font: Font,
         bounds: Size,
+        shaping: text::Shaping,
     ) -> (f32, f32);
 
     /// Tests whether the provided point is within the boundaries of [`Text`]
@@ -56,11 +63,16 @@ pub trait Text {
         &self,
         contents: &str,
         size: f32,
+        line_height: text::LineHeight,
         font: Font,
         bounds: Size,
+        shaping: text::Shaping,
         point: Point,
         nearest_only: bool,
     ) -> Option<text::Hit>;
+
+    /// Loads a [`Font`] from its bytes.
+    fn load_font(&mut self, font: Cow<'static, [u8]>);
 }
 
 /// A graphics backend that supports image rendering.