From 3e11b954a73d4718750b130abd6f511e624ffce7 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 2 Mar 2022 19:33:18 +0800
Subject: ...

---
 include/cru/osx/graphics/quartz/Geometry.h |  4 ++++
 include/cru/platform/graphics/Geometry.h   |  3 +++
 src/osx/graphics/quartz/Geometry.cpp       | 18 ++++++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/include/cru/osx/graphics/quartz/Geometry.h b/include/cru/osx/graphics/quartz/Geometry.h
index a6ee7470..e0bdd5b6 100644
--- a/include/cru/osx/graphics/quartz/Geometry.h
+++ b/include/cru/osx/graphics/quartz/Geometry.h
@@ -19,6 +19,10 @@ class QuartzGeometry : public OsxQuartzResource, public virtual IGeometry {
   CGPathRef GetCGPath() const { return cg_path_; }
 
   bool FillContains(const Point &point) override;
+  Rect GetBounds() override;
+
+  std::unique_ptr<IGeometry> Transform(const Matrix &matrix) override;
+  std::unique_ptr<IGeometry> CreateStrokeGeometry(float width) override;
 
  private:
   CGPathRef cg_path_;
diff --git a/include/cru/platform/graphics/Geometry.h b/include/cru/platform/graphics/Geometry.h
index a4146008..1c2bd1f7 100644
--- a/include/cru/platform/graphics/Geometry.h
+++ b/include/cru/platform/graphics/Geometry.h
@@ -4,6 +4,9 @@
 namespace cru::platform::graphics {
 struct CRU_PLATFORM_GRAPHICS_API IGeometry : virtual IGraphicsResource {
   virtual bool FillContains(const Point& point) = 0;
+  virtual Rect GetBounds() = 0;
+  virtual std::unique_ptr<IGeometry> Transform(const Matrix& matrix) = 0;
+  virtual std::unique_ptr<IGeometry> CreateStrokeGeometry(float width) = 0;
 };
 
 struct CRU_PLATFORM_GRAPHICS_API IGeometryBuilder : virtual IGraphicsResource {
diff --git a/src/osx/graphics/quartz/Geometry.cpp b/src/osx/graphics/quartz/Geometry.cpp
index 87ddff3e..c88add87 100644
--- a/src/osx/graphics/quartz/Geometry.cpp
+++ b/src/osx/graphics/quartz/Geometry.cpp
@@ -15,6 +15,24 @@ bool QuartzGeometry::FillContains(const Point &point) {
                              kCGPathFill);
 }
 
+Rect QuartzGeometry::GetBounds() {
+  auto bounds = CGPathGetPathBoundingBox(cg_path_);
+  if (CGRectIsNull(bounds)) return {};
+  return Convert(bounds);
+}
+
+std::unique_ptr<IGeometry> QuartzGeometry::Transform(const Matrix &matrix) {
+  auto cg_matrix = Convert(matrix);
+  auto cg_path = CGPathCreateCopyByTransformingPath(cg_path_, &cg_matrix);
+  return std::make_unique<QuartzGeometry>(GetGraphicsFactory(), cg_path);
+}
+
+std::unique_ptr<IGeometry> QuartzGeometry::CreateStrokeGeometry(float width) {
+  auto cg_path = CGPathCreateCopyByStrokingPath(
+      cg_path_, nullptr, width, kCGLineCapButt, kCGLineJoinMiter, 10);
+  return std::make_unique<QuartzGeometry>(GetGraphicsFactory(), cg_path);
+}
+
 QuartzGeometryBuilder::QuartzGeometryBuilder(IGraphicsFactory *graphics_factory)
     : OsxQuartzResource(graphics_factory) {
   cg_mutable_path_ = CGPathCreateMutable();
-- 
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