3 files changed, 24 insertions, 1 deletions
diff --git a/include/cru/osx/graphics/quartz/Image.hpp b/include/cru/osx/graphics/quartz/Image.hpp
index 16b1ca2c..62b7fa8b 100644
--- a/include/cru/osx/graphics/quartz/Image.hpp
+++ b/include/cru/osx/graphics/quartz/Image.hpp
@@ -17,9 +17,15 @@ class QuartzImage : public OsxQuartzResource, public virtual IImage {
   ~QuartzImage() override;
 
  public:
+  float GetWidth() override;
+  float GetHeight() override;
+
+  std::unique_ptr<IImage> CreateWithRect(const Rect& rect) override;
+
   CGImageRef GetCGImage() const { return image_; }
 
  private:
+  IImageFactory* image_factory_;
   CGImageRef image_;
   bool auto_release_ = false;
 };
diff --git a/include/cru/platform/graphics/Image.hpp b/include/cru/platform/graphics/Image.hpp
index bf1e8545..e8bf6671 100644
--- a/include/cru/platform/graphics/Image.hpp
+++ b/include/cru/platform/graphics/Image.hpp
@@ -2,5 +2,9 @@
 #include "Resource.hpp"
 
 namespace cru::platform::graphics {
-struct CRU_PLATFORM_GRAPHICS_API IImage : public virtual IGraphicsResource {};
+struct CRU_PLATFORM_GRAPHICS_API IImage : public virtual IGraphicsResource {
+  virtual float GetWidth() = 0;
+  virtual float GetHeight() = 0;
+  virtual std::unique_ptr<IImage> CreateWithRect(const Rect& rect) = 0;
+};
 }  // namespace cru::platform::graphics
diff --git a/src/osx/graphics/quartz/Image.cpp b/src/osx/graphics/quartz/Image.cpp
index 901b3ff4..e2664322 100644
--- a/src/osx/graphics/quartz/Image.cpp
+++ b/src/osx/graphics/quartz/Image.cpp
@@ -1,10 +1,12 @@
 #include "cru/osx/graphics/quartz/Image.hpp"
+#include "cru/osx/graphics/quartz/Convert.hpp"
 
 namespace cru::platform::graphics::osx::quartz {
 QuartzImage::QuartzImage(IGraphicsFactory* graphics_factory,
                          IImageFactory* image_factory, CGImageRef image,
                          bool auto_release)
     : OsxQuartzResource(graphics_factory),
+      image_factory_(image_factory),
       image_(image),
       auto_release_(auto_release) {}
 
@@ -13,4 +15,15 @@ QuartzImage::~QuartzImage() {
     CGImageRelease(image_);
   }
 }
+
+float QuartzImage::GetWidth() { return CGImageGetWidth(image_); }
+
+float QuartzImage::GetHeight() { return CGImageGetHeight(image_); }
+
+std::unique_ptr<IImage> QuartzImage::CreateWithRect(const Rect& rect) {
+  auto new_cg_image = CGImageCreateWithImageInRect(image_, Convert(rect));
+
+  return std::make_unique<QuartzImage>(GetGraphicsFactory(), image_factory_,
+                                       new_cg_image, true);
+}
 }  // namespace cru::platform::graphics::osx::quartz