From 4dea6aa258cab56f48e62533057b2d040c1ffa9e Mon Sep 17 00:00:00 2001
From: Sebastian K <s3bk@protonmail.com>
Date: Fri, 29 May 2020 22:42:00 +0300
Subject: [PATCH 1/4] Add a `transformed()` method to `Outline` and `Contour`.

---
 content/src/outline.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/content/src/outline.rs b/content/src/outline.rs
index 8da6c6bd..e2b26d22 100644
--- a/content/src/outline.rs
+++ b/content/src/outline.rs
@@ -178,6 +178,11 @@ impl Outline {
         self.bounds = new_bounds.unwrap_or_else(|| RectF::default());
     }
 
+    pub fn transformed(mut self, transform: &Transform2F) -> Outline {
+        self.transform(transform);
+        self
+    }
+
     pub fn apply_perspective(&mut self, perspective: &Perspective) {
         let mut new_bounds = None;
         for contour in &mut self.contours {
@@ -614,6 +619,12 @@ impl Contour {
         }
     }
 
+    #[inline]
+    pub fn transformed(mut self, transform: &Transform2F) -> Contour {
+        self.transform(transform);
+        self
+    }
+
     pub fn apply_perspective(&mut self, perspective: &Perspective) {
         for (point_index, point) in self.points.iter_mut().enumerate() {
             *point = *perspective * *point;

From 5eb346f77dac05b0a679219f2f0efbca8b017fdb Mon Sep 17 00:00:00 2001
From: Sebastian K <s3bk@protonmail.com>
Date: Wed, 24 Jun 2020 17:40:51 -0700
Subject: [PATCH 2/4] Add an `Outline::with_capacity()` method

---
 content/src/outline.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/content/src/outline.rs b/content/src/outline.rs
index e2b26d22..e91a0af5 100644
--- a/content/src/outline.rs
+++ b/content/src/outline.rs
@@ -61,6 +61,15 @@ impl Outline {
         }
     }
 
+    /// Returns a new `Outline` with storage for `capacity` contours preallocated.
+    #[inline]
+    pub fn with_capacity(capacity: usize) -> Outline {
+        Outline {
+            contours: Vec::with_capacity(capacity),
+            bounds: RectF::default(),
+        }
+    }
+
     #[inline]
     pub fn from_segments<I>(segments: I) -> Outline
     where

From e5eee41b48a5ba705c8feaaf1ea621d66774fd29 Mon Sep 17 00:00:00 2001
From: Sebastian K <s3bk@protonmail.com>
Date: Wed, 24 Jun 2020 17:42:02 -0700
Subject: [PATCH 3/4] Micro-optimize `Contour::from_rect()`

---
 content/src/outline.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/src/outline.rs b/content/src/outline.rs
index e91a0af5..5223682c 100644
--- a/content/src/outline.rs
+++ b/content/src/outline.rs
@@ -289,7 +289,7 @@ impl Contour {
 
     #[inline]
     pub fn from_rect(rect: RectF) -> Contour {
-        let mut contour = Contour::new();
+        let mut contour = Contour::with_capacity(4);
         contour.push_point(rect.origin(), PointFlags::empty(), false);
         contour.push_point(rect.upper_right(), PointFlags::empty(), false);
         contour.push_point(rect.lower_right(), PointFlags::empty(), false);

From 9d86f663ed93b04dbeb2d38ada706840a0bd7d27 Mon Sep 17 00:00:00 2001
From: Sebastian K <s3bk@protonmail.com>
Date: Wed, 24 Jun 2020 17:47:30 -0700
Subject: [PATCH 4/4] Add a new `Outline::len()` method

---
 content/src/outline.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/content/src/outline.rs b/content/src/outline.rs
index 5223682c..b8aed554 100644
--- a/content/src/outline.rs
+++ b/content/src/outline.rs
@@ -238,6 +238,12 @@ impl Outline {
         self.contours.iter().all(Contour::is_empty)
     }
 
+    /// Returns the number of contours in this outline.
+    #[inline]
+    pub fn len(&self) -> usize {
+        self.contours.len()
+    }
+
     /// Appends the contours in another outline to this one.
     pub fn push_outline(&mut self, other: Outline) {
         if other.is_empty() {