5 files changed, 96 insertions, 2 deletions
diff --git a/include/cru/platform/graphics/cairo/CairoGeometry.h b/include/cru/platform/graphics/cairo/CairoGeometry.h
new file mode 100644
index 00000000..0ddedba4
--- /dev/null
+++ b/include/cru/platform/graphics/cairo/CairoGeometry.h
@@ -0,0 +1,30 @@
+#pragma once
+#include "CairoResource.h"
+#include "cru/platform/graphics/Geometry.h"
+
+#include <cairo/cairo.h>
+
+namespace cru::platform::graphics::cairo {
+class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoGeometry : public CairoResource,
+                                                      public virtual IGeometry {
+ public:
+  CairoGeometry(CairoGraphicsFactory* factory, cairo_path_t* cairo_path,
+                bool auto_destroy);
+  ~CairoGeometry();
+
+  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;
+
+  cairo_path_t* GetCairoPath() const { return cairo_path_; }
+
+ private:
+  cairo_path_t* cairo_path_;
+  bool auto_destroy_;
+};
+
+class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoGeometryBuilder
+    : public CairoResource,
+      public virtual IGeometryBuilder {};
+}  // namespace cru::platform::graphics::cairo
diff --git a/include/cru/platform/graphics/cairo/CairoGraphicsFactory.h b/include/cru/platform/graphics/cairo/CairoGraphicsFactory.h
index 0c364d5e..130c1c26 100644
--- a/include/cru/platform/graphics/cairo/CairoGraphicsFactory.h
+++ b/include/cru/platform/graphics/cairo/CairoGraphicsFactory.h
@@ -3,6 +3,8 @@
 #include "../Factory.h"
 #include "CairoResource.h"
 
+#include <cairo/cairo.h>
+
 namespace cru::platform::graphics::cairo {
 class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoGraphicsFactory
     : public CairoResource,
@@ -12,5 +14,11 @@ class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoGraphicsFactory
   ~CairoGraphicsFactory() override;
 
  public:
+  cairo_surface_t* GetDefaultCairoSurface() { return default_cairo_surface_; }
+  cairo_t* GetDefaultCairo() { return default_cairo_; }
+
+ private:
+  cairo_surface_t* default_cairo_surface_;
+  cairo_t* default_cairo_;
 };
 }  // namespace cru::platform::graphics::cairo
diff --git a/src/platform/graphics/cairo/CMakeLists.txt b/src/platform/graphics/cairo/CMakeLists.txt
index e9107120..0fa618a0 100644
--- a/src/platform/graphics/cairo/CMakeLists.txt
+++ b/src/platform/graphics/cairo/CMakeLists.txt
@@ -4,6 +4,7 @@ if (UNIX)
 
 	add_library(CruPlatformGraphicsCairo SHARED
 		CairoBrush.cpp
+		CairoGeometry.cpp
 		CairoGraphicsFactory.cpp
 		CairoResource.cpp
 	)
diff --git a/src/platform/graphics/cairo/CairoGeometry.cpp b/src/platform/graphics/cairo/CairoGeometry.cpp
new file mode 100644
index 00000000..7abe273c
--- /dev/null
+++ b/src/platform/graphics/cairo/CairoGeometry.cpp
@@ -0,0 +1,48 @@
+#include "cru/platform/graphics/cairo/CairoGeometry.h"
+#include "cru/platform/graphics/cairo/CairoGraphicsFactory.h"
+
+namespace cru::platform::graphics::cairo {
+CairoGeometry::CairoGeometry(CairoGraphicsFactory* factory,
+                             cairo_path_t* cairo_path, bool auto_destroy)
+    : CairoResource(factory),
+      cairo_path_(cairo_path),
+      auto_destroy_(auto_destroy) {
+  Expects(cairo_path);
+}
+
+CairoGeometry::~CairoGeometry() {
+  if (auto_destroy_) {
+    cairo_path_destroy(cairo_path_);
+    cairo_path_ = nullptr;
+  }
+}
+
+bool CairoGeometry::FillContains(const Point& point) {
+  auto cairo = GetCairoGraphicsFactory()->GetDefaultCairo();
+  cairo_save(cairo);
+  cairo_new_path(cairo);
+  cairo_append_path(cairo, cairo_path_);
+  auto result = cairo_in_fill(cairo, point.x, point.y);
+  cairo_restore(cairo);
+  return result;
+}
+
+Rect CairoGeometry::GetBounds() {
+  auto cairo = GetCairoGraphicsFactory()->GetDefaultCairo();
+  cairo_save(cairo);
+  cairo_new_path(cairo);
+  cairo_append_path(cairo, cairo_path_);
+  double l, t, r, b;
+  cairo_path_extents(cairo, &l, &t, &r, &b);
+  cairo_restore(cairo);
+  return Rect::FromVertices(l, t, r, b);
+}
+
+std::unique_ptr<IGeometry> CairoGeometry::Transform(const Matrix& matrix) {
+  throw Exception(u"Not implemented");
+}
+
+std::unique_ptr<IGeometry> CairoGeometry::CreateStrokeGeometry(float width) {
+  throw Exception(u"Not implemented");
+}
+}  // namespace cru::platform::graphics::cairo
diff --git a/src/platform/graphics/cairo/CairoGraphicsFactory.cpp b/src/platform/graphics/cairo/CairoGraphicsFactory.cpp
index 8ff72065..f27ca2c4 100644
--- a/src/platform/graphics/cairo/CairoGraphicsFactory.cpp
+++ b/src/platform/graphics/cairo/CairoGraphicsFactory.cpp
@@ -2,7 +2,14 @@
 #include "cru/platform/graphics/cairo/CairoResource.h"
 
 namespace cru::platform::graphics::cairo {
-CairoGraphicsFactory::CairoGraphicsFactory() : CairoResource(this) {}
+CairoGraphicsFactory::CairoGraphicsFactory() : CairoResource(this) {
+  default_cairo_surface_ =
+      cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 100, 100);
+  default_cairo_ = cairo_create(default_cairo_surface_);
+}
 
-CairoGraphicsFactory::~CairoGraphicsFactory() {}
+CairoGraphicsFactory::~CairoGraphicsFactory() {
+  cairo_destroy(default_cairo_);
+  cairo_surface_destroy(default_cairo_surface_);
+}
 }  // namespace cru::platform::graphics::cairo