Integrate Taffy's and Parley's baseline support

Cargo.toml

@@ -100,7 +100,7 @@ taffy = { version = "=0.11.0-experimental-cache-fix.3", default-features = false
     "calc",
     "detailed_layout_info",
 ] }
-parley = { version = "0.10", default-features = false, features = ["std"] }
+parley = { git = "https://github.com/linebender/parley", rev="30f6ff1970e958498787fbfbf68a2eb013bee158", default-features = false, features = ["std"] }
 skrifa = { version = "0.42", default-features = false, features = [
     "std",
 ] } # Should match parley and vello versions

packages/blitz-dom/src/layout/construct.rs

@@ -942,6 +942,7 @@ pub(crate) fn build_inline_layout_into(
                                 kind: box_kind,
                                 // Overridden by push_inline_box method
                                 index: 0,
+                                baseline: None,
                                 // Width and height are set during layout
                                 width: 0.0,
                                 height: 0.0,
@@ -1022,6 +1023,7 @@ pub(crate) fn build_inline_layout_into(
                             kind: box_kind,
                             // Overridden by push_inline_box method
                             index: 0,
+                            baseline: None,
                             // Width and height are set during layout
                             width: 0.0,
                             height: 0.0,

packages/blitz-dom/src/layout/inline.rs

@@ -300,6 +300,7 @@ impl BaseDocument {
                 ibox.height = 0.0;
             } else {
                 let output = self.compute_child_layout(NodeId::from(ibox.id), child_inputs);
+                ibox.baseline = output.first_baselines.y;
                 ibox.width = (margin.left + margin.right + output.size.width) * scale;
                 ibox.height = (margin.top + margin.bottom + output.size.height) * scale;
             }
@@ -537,7 +538,7 @@ impl BaseDocument {
                         // dbg!(&layout.size);
                         // dbg!(&layout.location);
 
-                        state.append_inline_box_to_line(box_break_data.advance, 0.0);
+                        state.append_inline_box_to_line(box_break_data.advance, 0.0, 0.0);
 
                         // if float.is_floated() {
                         //     println!("INLINE FLOATED BOX ({}) {:?}", ibox.id, float);
@@ -662,6 +663,11 @@ impl BaseDocument {
         // println!("known_dimensions: w: {:?} h: {:?}", inputs.known_dimensions.width, inputs.known_dimensions.height);
         // println!("\n");
 
+        let first_baseline = inline_layout
+            .layout
+            .first_baseline()
+            .map(|baseline| baseline + content_box_inset.top);
+
         // Put layout back
         self.nodes[node_id]
             .data
@@ -672,7 +678,10 @@ impl BaseDocument {
         LayoutOutput {
             size: final_size,
             content_size: measured_size + padding.sum_axes(),
-            first_baselines: Point::NONE,
+            first_baselines: Point {
+                x: None,
+                y: first_baseline,
+            },
             top_margin: CollapsibleMarginSet::ZERO,
             bottom_margin: CollapsibleMarginSet::ZERO,
             margins_can_collapse_through: !has_styles_preventing_being_collapsed_through