Clip text to viewport bounds instead of layout bounds

graphics/src/primitive.rs

@@ -14,24 +14,26 @@ use std::sync::Arc;
 pub enum Primitive<T> {
     /// A text primitive
     Text {
-        /// The contents of the text
+        /// The contents of the text.
         content: String,
-        /// The bounds of the text
+        /// The bounds of the text.
         bounds: Rectangle,
-        /// The color of the text
+        /// The color of the text.
         color: Color,
-        /// The size of the text in logical pixels
+        /// The size of the text in logical pixels.
         size: Pixels,
-        /// The line height of the text
+        /// The line height of the text.
         line_height: text::LineHeight,
-        /// The font of the text
+        /// The font of the text.
         font: Font,
-        /// The horizontal alignment of the text
+        /// The horizontal alignment of the text.
         horizontal_alignment: alignment::Horizontal,
-        /// The vertical alignment of the text
+        /// The vertical alignment of the text.
         vertical_alignment: alignment::Vertical,
         /// The shaping strategy of the text.
         shaping: text::Shaping,
+        /// The viewport of the text.
+        viewport: Rectangle,
     },
     /// A paragraph primitive
     Paragraph {
@@ -41,15 +43,19 @@ pub enum Primitive<T> {
         position: Point,
         /// The color of the paragraph.
         color: Color,
+        /// The viewport of the paragraph.
+        viewport: Rectangle,
     },
     /// An editor primitive
     Editor {
         /// The [`editor::Weak`] reference.
         editor: editor::Weak,
-        /// The position of the paragraph.
+        /// The position of the editor.
         position: Point,
-        /// The color of the paragraph.
+        /// The color of the editor.
         color: Color,
+        /// The viewport of the editor.
+        viewport: Rectangle,
     },
     /// A quad primitive
     Quad {

graphics/src/renderer.rs

@@ -164,11 +164,13 @@ where
         paragraph: &Self::Paragraph,
         position: Point,
         color: Color,
+        viewport: Rectangle,
     ) {
         self.primitives.push(Primitive::Paragraph {
             paragraph: paragraph.downgrade(),
             position,
             color,
+            viewport,
         });
     }
 
@@ -177,11 +179,13 @@ where
         editor: &Self::Editor,
         position: Point,
         color: Color,
+        viewport: Rectangle,
     ) {
         self.primitives.push(Primitive::Editor {
             editor: editor.downgrade(),
             position,
             color,
+            viewport,
         });
     }
 
@@ -190,6 +194,7 @@ where
         text: Text<'_, Self::Font>,
         position: Point,
         color: Color,
+        viewport: Rectangle,
     ) {
         self.primitives.push(Primitive::Text {
             content: text.content.to_string(),
@@ -201,6 +206,7 @@ where
             horizontal_alignment: text.horizontal_alignment,
             vertical_alignment: text.vertical_alignment,
             shaping: text.shaping,
+            viewport,
         });
     }
 }