Refactor layout to fractional-logical

Lets borders, gaps, and everything else stay pixel-perfect even with
fractional scale. Allows setting fractional border widths, gaps,
struts.

See the new wiki .md for more details.

1 files changed, 9 insertions, 9 deletions

diff --git a/src/layout/opening_window.rs b/src/layout/opening_window.rs
index 38eb89ab..d265c463 100644
--- a/src/layout/opening_window.rs
+++ b/src/layout/opening_window.rs
@@ -55,8 +55,8 @@ impl OpenAnimation {
         &self,
         renderer: &mut GlesRenderer,
         elements: &[impl RenderElement<GlesRenderer>],
-        geo_size: Size<i32, Logical>,
-        location: Point<i32, Logical>,
+        geo_size: Size<f64, Logical>,
+        location: Point<f64, Logical>,
         scale: Scale<f64>,
     ) -> anyhow::Result<OpeningWindowRenderElement> {
         let progress = self.anim.value();
@@ -75,17 +75,17 @@ impl OpenAnimation {
         let texture_size = geo.size.to_f64().to_logical(scale);
 
         if Shaders::get(renderer).program(ProgramType::Open).is_some() {
-            let mut area = Rectangle::from_loc_and_size(location.to_f64() + offset, texture_size);
+            let mut area = Rectangle::from_loc_and_size(location + offset, texture_size);
 
             // Expand the area a bit to allow for more varied effects.
             let mut target_size = area.size.upscale(1.5);
             target_size.w = f64::max(area.size.w + 1000., target_size.w);
             target_size.h = f64::max(area.size.h + 1000., target_size.h);
-            let diff = target_size.to_point() - area.size.to_point();
-            area.loc -= diff.downscale(2.);
-            area.size += diff.to_size();
+            let diff = (target_size.to_point() - area.size.to_point()).downscale(2.);
+            let diff = diff.to_physical_precise_round(scale).to_logical(scale);
+            area.loc -= diff;
+            area.size += diff.upscale(2.).to_size();
 
-            let area = area.to_i32_up();
             let area_loc = Vec2::new(area.loc.x as f32, area.loc.y as f32);
             let area_size = Vec2::new(area.size.w as f32, area.size.h as f32);
 
@@ -135,7 +135,7 @@ impl OpenAnimation {
 
         let elem = PrimaryGpuTextureRenderElement(elem);
 
-        let center = geo_size.to_point().to_f64().downscale(2.);
+        let center = geo_size.to_point().downscale(2.);
         let elem = RescaleRenderElement::from_element(
             elem,
             (center - offset).to_physical_precise_round(scale),
@@ -144,7 +144,7 @@ impl OpenAnimation {
 
         let elem = RelocateRenderElement::from_element(
             elem,
-            (location.to_f64() + offset).to_physical_precise_round(scale),
+            (location + offset).to_physical_precise_round(scale),
             Relocate::Relative,
         );