1 files changed, 114 insertions, 0 deletions
diff --git a/gfx/2d/PathCG.h b/gfx/2d/PathCG.h
new file mode 100644
index 0000000000..db609cb577
--- /dev/null
+++ b/gfx/2d/PathCG.h
@@ -0,0 +1,114 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MOZILLA_GFX_PATHCG_H_
+#define MOZILLA_GFX_PATHCG_H_
+
+#ifdef MOZ_WIDGET_COCOA
+#include <ApplicationServices/ApplicationServices.h>
+#else
+#include <CoreGraphics/CoreGraphics.h>
+#endif
+
+#include "2D.h"
+
+namespace mozilla {
+namespace gfx {
+
+class PathCG;
+
+class PathBuilderCG : public PathBuilder
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderCG)
+  // absorbs a reference of aPath
+  PathBuilderCG(CGMutablePathRef aPath, FillRule aFillRule)
+    : mFillRule(aFillRule)
+  {
+      mCGPath = aPath;
+  }
+
+  explicit PathBuilderCG(FillRule aFillRule)
+    : mFillRule(aFillRule)
+  {
+      mCGPath = CGPathCreateMutable();
+  }
+
+  virtual ~PathBuilderCG();
+
+  virtual void MoveTo(const Point &aPoint);
+  virtual void LineTo(const Point &aPoint);
+  virtual void BezierTo(const Point &aCP1,
+                        const Point &aCP2,
+                        const Point &aCP3);
+  virtual void QuadraticBezierTo(const Point &aCP1,
+                                 const Point &aCP2);
+  virtual void Close();
+  virtual void Arc(const Point &aOrigin, Float aRadius, Float aStartAngle,
+                   Float aEndAngle, bool aAntiClockwise = false);
+  virtual Point CurrentPoint() const;
+
+  virtual already_AddRefed<Path> Finish();
+
+  virtual BackendType GetBackendType() const { return BackendType::SKIA; }
+
+private:
+  friend class PathCG;
+  friend class ScaledFontMac;
+
+  void EnsureActive(const Point &aPoint);
+
+  CGMutablePathRef mCGPath;
+  Point mCurrentPoint;
+  Point mBeginPoint;
+  FillRule mFillRule;
+};
+
+class PathCG : public Path
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathCG)
+  PathCG(CGMutablePathRef aPath, FillRule aFillRule)
+    : mPath(aPath)
+    , mFillRule(aFillRule)
+  {
+    CGPathRetain(mPath);
+  }
+  virtual ~PathCG() { CGPathRelease(mPath); }
+
+  // Paths will always return BackendType::COREGRAPHICS, but note that they
+  // are compatible with BackendType::COREGRAPHICS_ACCELERATED backend.
+  virtual BackendType GetBackendType() const { return BackendType::SKIA; }
+
+  virtual already_AddRefed<PathBuilder> CopyToBuilder(FillRule aFillRule) const;
+  virtual already_AddRefed<PathBuilder> TransformedCopyToBuilder(const Matrix &aTransform,
+                                                             FillRule aFillRule) const;
+
+  virtual bool ContainsPoint(const Point &aPoint, const Matrix &aTransform) const;
+  virtual bool StrokeContainsPoint(const StrokeOptions &aStrokeOptions,
+                                   const Point &aPoint,
+                                   const Matrix &aTransform) const;
+  virtual Rect GetBounds(const Matrix &aTransform = Matrix()) const;
+  virtual Rect GetStrokedBounds(const StrokeOptions &aStrokeOptions,
+                                const Matrix &aTransform = Matrix()) const;
+
+  virtual void StreamToSink(PathSink *aSink) const;
+
+  virtual FillRule GetFillRule() const { return mFillRule; }
+
+  CGMutablePathRef GetPath() const { return mPath; }
+
+private:
+  friend class DrawTargetCG;
+
+  CGMutablePathRef mPath;
+  Point mEndPoint;
+  FillRule mFillRule;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif