refactor: better impl for axis info

Author: TtTRz

float-pigment-layout/src/algo/flex_box.rs

@@ -1302,14 +1302,8 @@ impl<T: LayoutTreeNode> FlexBox<T> for LayoutUnit<T> {
                                     .or_zero()
                         }
                     };
-                    let baseline_diff = child.gen_origin(
-                        dir,
-                        main_dir_rev,
-                        cross_dir_rev,
-                        *container_size,
-                        offset_main,
-                        offset_cross,
-                    );
+                    let baseline_diff =
+                        child.gen_origin(axis_info, *container_size, offset_main, offset_cross);
                     if self_first_baseline_ascent.is_none() {
                         self_first_baseline_ascent =
                             Some(flex_child.first_baseline_ascent + baseline_diff);

float-pigment-layout/src/algo/flow.rs

@@ -492,9 +492,10 @@ impl<T: LayoutTreeNode> Flow<T> for LayoutUnit<T> {
                                     .or_zero()
                             };
                         let baseline_diff = child.gen_origin(
-                            axis_info.dir,
-                            axis_info.main_dir_rev,
-                            AxisReverse::NotReversed,
+                            AxisInfo {
+                                cross_dir_rev: AxisReverse::NotReversed,
+                                ..axis_info
+                            },
                             node_inner_size.or_zero(),
                             main_offset,
                             cross_offset,
@@ -617,9 +618,10 @@ impl<T: LayoutTreeNode> Flow<T> for LayoutUnit<T> {
                                 child.result = Rect::new(Point::zero(), child_res.size);
                                 child.cache.touch(child_node);
                                 child.gen_origin(
-                                    axis_info.dir,
-                                    axis_info.main_dir_rev,
-                                    AxisReverse::NotReversed,
+                                    AxisInfo {
+                                        cross_dir_rev: AxisReverse::NotReversed,
+                                        ..axis_info
+                                    },
                                     node_inner_size.or_zero(),
                                     main_offset + child_origin.main_axis(axis_info.dir),
                                     cross_offset + child_origin.cross_axis(axis_info.dir),

float-pigment-layout/src/special_positioned.rs

@@ -454,14 +454,7 @@ pub(crate) fn compute_special_position<T: LayoutTreeNode>(
         offset_cross
     };
 
-    layout_unit.gen_origin(
-        axis_info.dir,
-        axis_info.main_dir_rev,
-        axis_info.cross_dir_rev,
-        **parent.inner_size,
-        offset_main,
-        offset_cross,
-    );
+    layout_unit.gen_origin(axis_info, **parent.inner_size, offset_main, offset_cross);
 }
 
 pub(crate) fn compute_position_relative<T: LayoutTreeNode>(

float-pigment-layout/src/unit.rs

@@ -646,16 +646,14 @@ impl<T: LayoutTreeNode> LayoutUnit<T> {
     #[inline]
     pub(crate) fn gen_origin(
         &mut self,
-        dir: AxisDirection,
-        main_dir_rev: AxisReverse,
-        cross_dir_rev: AxisReverse,
+        axis_info: AxisInfo,
         parent_size: Size<T::Length>,
         offset_main: T::Length,
         offset_cross: T::Length,
     ) -> Vector<T::Length> {
-        let (width, height, width_rev, height_rev) = match dir {
-            AxisDirection::Horizontal => (offset_main, offset_cross, main_dir_rev, cross_dir_rev),
-            AxisDirection::Vertical => (offset_cross, offset_main, cross_dir_rev, main_dir_rev),
+        let (width, height, width_rev, height_rev) = match axis_info.dir {
+            AxisDirection::Horizontal => (offset_main, offset_cross, axis_info.main_dir_rev, axis_info.cross_dir_rev),
+            AxisDirection::Vertical => (offset_cross, offset_main, axis_info.cross_dir_rev, axis_info.main_dir_rev),
         };
         let width = match width_rev {
             AxisReverse::NotReversed => width,