resizing: Smoothed out window resizing

src/pixi.zig

@@ -251,11 +251,10 @@ pub fn update(app: *App) !bool {
     };
     content_scale = .{ 1.0, 1.0 };
 
+    var set_vsync: bool = false;
+
     var iter = core.pollEvents();
     while (iter.next()) |event| {
-        if (!state.should_close)
-            _ = imgui_mach.processEvent(event);
-
         switch (event) {
             .key_press => |key_press| {
                 state.hotkeys.setHotkeyState(key_press.key, key_press.mods, .press);
@@ -296,8 +295,15 @@ pub fn update(app: *App) !bool {
                 }
                 state.should_close = should_close;
             },
+            .framebuffer_resize => |_| {
+                core.setVSync(.none);
+                set_vsync = true;
+            },
             else => {},
         }
+
+        if (!state.should_close)
+            _ = imgui_mach.processEvent(event);
     }
 
     try input.process();
@@ -311,6 +317,11 @@ pub fn update(app: *App) !bool {
 
     imgui.render();
 
+    if (set_vsync) {
+        core.setVSync(.double);
+        set_vsync = false;
+    }
+
     if (editor.getFile(state.open_file_index)) |file| {
         @memset(core.title[0..], 0);
         @memcpy(core.title[0 .. name.len + 3], name ++ " - ");

src/storage/internal.zig

@@ -1372,7 +1372,8 @@ pub const Layer = struct {
         color: [4]u8,
     };
 
-    /// Only used for handling getting the pixels
+    /// Only used for handling getting the pixels surrounding the origin
+    /// for stroke sizes larger than 1
     pub fn getIndexShapeOffset(self: Layer, origin: [2]usize, current_index: usize) ?ShapeOffsetResult {
         const shape = pixi.state.tools.stroke_shape;
         const size: i32 = @intCast(pixi.state.tools.stroke_size);