added a Frame::scale_nonuniform method

renderer/src/geometry.rs

@@ -168,12 +168,18 @@ impl Frame {
         delegate!(self, frame, frame.rotate(angle));
     }
 
-    /// Applies a scaling to the current transform of the [`Frame`].
+    /// Applies a uniform scaling to the current transform of the [`Frame`].
     #[inline]
     pub fn scale(&mut self, scale: f32) {
         delegate!(self, frame, frame.scale(scale));
     }
 
+    /// Applies a non-uniform scaling to the current transform of the [`Frame`].
+    #[inline]
+    pub fn scale_nonuniform(&mut self, scale: Vector) {
+        delegate!(self, frame, frame.scale_nonuniform(scale));
+    }
+
     pub fn into_geometry(self) -> Geometry {
         match self {
             Self::TinySkia(frame) => Geometry::TinySkia(frame.into_primitive()),

tiny_skia/src/geometry.rs

@@ -158,6 +158,10 @@ impl Frame {
         self.transform = self.transform.pre_scale(scale, scale);
     }
 
+    pub fn scale_nonuniform(&mut self, scale: Vector) {
+        self.transform = self.transform.pre_scale(scale.x, scale.y);
+    }
+
     pub fn into_primitive(self) -> Primitive {
         Primitive::Clip {
             bounds: Rectangle::new(Point::ORIGIN, self.size),

wgpu/src/geometry.rs

@@ -444,7 +444,7 @@ impl Frame {
         self.transforms.current.is_identity = false;
     }
 
-    /// Applies a scaling to the current transform of the [`Frame`].
+    /// Applies a uniform scaling to the current transform of the [`Frame`].
     #[inline]
     pub fn scale(&mut self, scale: f32) {
         self.transforms.current.raw =
@@ -452,6 +452,14 @@ impl Frame {
         self.transforms.current.is_identity = false;
     }
 
+    /// Applies a non-uniform scaling to the current transform of the [`Frame`].
+    #[inline]
+    pub fn scale_nonuniform(&mut self, scale: Vector) {
+        self.transforms.current.raw =
+            self.transforms.current.raw.pre_scale(scale.x, scale.y);
+        self.transforms.current.is_identity = false;
+    }
+
     /// Produces the [`Primitive`] representing everything drawn on the [`Frame`].
     pub fn into_primitive(self) -> Primitive {
         Primitive::Group {