Introduce `RawText` to `Primitive` in `iced_graphics`

This should allow users to directly render a
`cosmic_text::Buffer`.

2 files changed, 58 insertions, 1 deletions

diff --git a/tiny_skia/src/backend.rs b/tiny_skia/src/backend.rs
index 3e9bd2a5..706db40e 100644
--- a/tiny_skia/src/backend.rs
+++ b/tiny_skia/src/backend.rs
@@ -1,5 +1,6 @@
 use crate::core::{Background, Color, Gradient, Rectangle, Vector};
 use crate::graphics::backend;
+use crate::graphics::text;
 use crate::graphics::Viewport;
 use crate::primitive::{self, Primitive};
 
@@ -444,6 +445,35 @@ impl Backend {
                     clip_mask,
                 );
             }
+            Primitive::RawText(text::Raw {
+                buffer,
+                position,
+                color,
+                clip_bounds: text_clip_bounds,
+            }) => {
+                let Some(buffer) = buffer.upgrade() else {
+                    return;
+                };
+
+                let physical_bounds =
+                    (*text_clip_bounds + translation) * scale_factor;
+
+                if !clip_bounds.intersects(&physical_bounds) {
+                    return;
+                }
+
+                let clip_mask = (!physical_bounds.is_within(&clip_bounds))
+                    .then_some(clip_mask as &_);
+
+                self.text_pipeline.draw_raw(
+                    &buffer,
+                    *position + translation,
+                    *color,
+                    scale_factor,
+                    pixels,
+                    clip_mask,
+                );
+            }
             #[cfg(feature = "image")]
             Primitive::Image {
                 handle,
diff --git a/tiny_skia/src/text.rs b/tiny_skia/src/text.rs
index 70e95d01..a5a0a1b6 100644
--- a/tiny_skia/src/text.rs
+++ b/tiny_skia/src/text.rs
@@ -1,6 +1,6 @@
 use crate::core::alignment;
 use crate::core::text::{LineHeight, Shaping};
-use crate::core::{Color, Font, Pixels, Point, Rectangle};
+use crate::core::{Color, Font, Pixels, Point, Rectangle, Size};
 use crate::graphics::color;
 use crate::graphics::text::cache::{self, Cache};
 use crate::graphics::text::editor;
@@ -149,6 +149,33 @@ impl Pipeline {
         );
     }
 
+    pub fn draw_raw(
+        &mut self,
+        buffer: &cosmic_text::Buffer,
+        position: Point,
+        color: Color,
+        scale_factor: f32,
+        pixels: &mut tiny_skia::PixmapMut<'_>,
+        clip_mask: Option<&tiny_skia::Mask>,
+    ) {
+        let mut font_system = font_system().write().expect("Write font system");
+
+        let (width, height) = buffer.size();
+
+        draw(
+            font_system.raw(),
+            &mut self.glyph_cache,
+            buffer,
+            Rectangle::new(position, Size::new(width, height)),
+            color,
+            alignment::Horizontal::Left,
+            alignment::Vertical::Top,
+            scale_factor,
+            pixels,
+            clip_mask,
+        );
+    }
+
     pub fn trim_cache(&mut self) {
         self.cache.get_mut().trim();
         self.glyph_cache.trim();