Images!

lib/ui/src/scene.rs

@@ -5,6 +5,7 @@ use std::ops::Range;
 use cosmic_text::CacheKey;
 use tracing::debug;
 
+use crate::ImageResource;
 use crate::text::TextSelectionStyle;
 use crate::trace_targets;
 use crate::tree::ElementId;
@@ -133,6 +134,14 @@ pub struct PreparedText {
     pub glyphs: Vec<GlyphInstance>,
 }
 
+#[derive(Clone, Debug, PartialEq)]
+pub struct PreparedImage {
+    pub element_id: Option<ElementId>,
+    pub resource: ImageResource,
+    pub rect: Rect,
+    pub uv_rect: (f32, f32, f32, f32),
+}
+
 impl PreparedText {
     pub fn monospace(
         text: impl Into<String>,
@@ -456,6 +465,7 @@ fn classify_word_char(ch: char) -> WordClass {
 #[derive(Clone, Debug, PartialEq)]
 pub enum DisplayItem {
     Quad(Quad),
+    Image(PreparedImage),
     Text(PreparedText),
     PushClip(Rect),
     PopClip,
@@ -506,6 +516,10 @@ impl SceneSnapshot {
         self.push_item(DisplayItem::Text(text))
     }
 
+    pub fn push_image(&mut self, image: PreparedImage) -> &mut Self {
+        self.push_item(DisplayItem::Image(image))
+    }
+
     pub fn push_clip(&mut self, rect: Rect) -> &mut Self {
         self.push_item(DisplayItem::PushClip(rect))
     }