diff --git a/CHANGELOG.md b/CHANGELOG.md
index afb56641..53b477ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ NOTE: [`epaint`](epaint/CHANGELOG.md), [`eframe`](eframe/CHANGELOG.md), [`egui_w
 * MSRV (Minimum Supported Rust Version) is now `1.60.0` ([#1467](https://github.com/emilk/egui/pull/1467)).
 * Renamed the feature `convert_bytemuck` to `bytemuck` ([#1467](https://github.com/emilk/egui/pull/1467)).
 * Renamed the feature `serialize` to `serde` ([#1467](https://github.com/emilk/egui/pull/1467)).
+* Renamed `Painter::sub_region` to `Painter::with_clip_rect`.
 
 ### Fixed 🐛
 * Fixed `ComboBox`:es always being rendered left-aligned ([#1304](https://github.com/emilk/egui/pull/1304)).
diff --git a/egui/src/painter.rs b/egui/src/painter.rs
index 6534c30d..89d29f80 100644
--- a/egui/src/painter.rs
+++ b/egui/src/painter.rs
@@ -54,6 +54,19 @@ impl Painter {
         }
     }
 
+    /// Create a painter for a sub-region of this [`Painter`].
+    ///
+    /// The clip-rect of the returned [`Painter`] will be the intersection
+    /// of the given rectangle and the `clip_rect()` of the parent [`Painter`].
+    pub fn with_clip_rect(&self, rect: Rect) -> Self {
+        Self {
+            ctx: self.ctx.clone(),
+            layer_id: self.layer_id,
+            clip_rect: rect.intersect(self.clip_rect),
+            fade_to_color: self.fade_to_color,
+        }
+    }
+
     /// Redirect where you are painting.
     pub fn set_layer_id(&mut self, layer_id: LayerId) {
         self.layer_id = layer_id;
@@ -73,10 +86,7 @@ impl Painter {
         self.fade_to_color = Some(Color32::TRANSPARENT);
     }
 
-    /// Create a painter for a sub-region of this [`Painter`].
-    ///
-    /// The clip-rect of the returned [`Painter`] will be the intersection
-    /// of the given rectangle and the `clip_rect()` of this [`Painter`].
+    #[deprecated = "Use Painter::with_clip_rect"] // Deprecated in 2022-04-18, before egui 0.18
     pub fn sub_region(&self, rect: Rect) -> Self {
         Self {
             ctx: self.ctx.clone(),
@@ -197,7 +207,7 @@ impl Painter {
 /// ## Debug painting
 impl Painter {
     #[allow(clippy::needless_pass_by_value)]
-    pub fn debug_rect(&mut self, rect: Rect, color: Color32, text: impl ToString) {
+    pub fn debug_rect(&self, rect: Rect, color: Color32, text: impl ToString) {
         self.rect_stroke(rect, 0.0, (1.0, color));
         self.text(
             rect.min,
diff --git a/egui/src/ui.rs b/egui/src/ui.rs
index 804c61a3..65c52bd2 100644
--- a/egui/src/ui.rs
+++ b/egui/src/ui.rs
@@ -305,7 +305,7 @@ impl Ui {
     /// The clip-rect of the returned [`Painter`] will be the intersection
     /// of the given rectangle and the `clip_rect()` of this [`Ui`].
     pub fn painter_at(&self, rect: Rect) -> Painter {
-        self.painter().sub_region(rect)
+        self.painter().with_clip_rect(rect)
     }
 
     /// Use this to paint stuff within this [`Ui`].
diff --git a/egui/src/widgets/plot/mod.rs b/egui/src/widgets/plot/mod.rs
index 15a8ce35..7efb4b81 100644
--- a/egui/src/widgets/plot/mod.rs
+++ b/egui/src/widgets/plot/mod.rs
@@ -547,7 +547,7 @@ impl Plot {
 
         // Background
         if show_background {
-            ui.painter().sub_region(rect).add(epaint::RectShape {
+            ui.painter().with_clip_rect(rect).add(epaint::RectShape {
                 rect,
                 rounding: Rounding::same(2.0),
                 fill: ui.visuals().extreme_bg_color,
@@ -710,8 +710,8 @@ impl Plot {
         prepared.ui(ui, &response);
 
         if let Some(boxed_zoom_rect) = boxed_zoom_rect {
-            ui.painter().sub_region(rect).add(boxed_zoom_rect.0);
-            ui.painter().sub_region(rect).add(boxed_zoom_rect.1);
+            ui.painter().with_clip_rect(rect).add(boxed_zoom_rect.0);
+            ui.painter().with_clip_rect(rect).add(boxed_zoom_rect.1);
         }
 
         if let Some(mut legend) = legend {
@@ -955,7 +955,7 @@ impl PreparedPlot {
             self.hover(ui, pointer, &mut shapes);
         }
 
-        let painter = ui.painter().sub_region(*transform.frame());
+        let painter = ui.painter().with_clip_rect(*transform.frame());
         painter.extend(shapes);
 
         if let Some((corner, formatter)) = self.coordinates_formatter.as_ref() {
diff --git a/egui/src/widgets/progress_bar.rs b/egui/src/widgets/progress_bar.rs
index c89f1002..3c9aaa06 100644
--- a/egui/src/widgets/progress_bar.rs
+++ b/egui/src/widgets/progress_bar.rs
@@ -140,7 +140,7 @@ impl Widget for ProgressBar {
                     .override_text_color
                     .unwrap_or(visuals.selection.stroke.color);
                 galley.paint_with_fallback_color(
-                    &ui.painter().sub_region(outer_rect),
+                    &ui.painter().with_clip_rect(outer_rect),
                     text_pos,
                     text_color,
                 );