1 files changed, 120 insertions, 0 deletions
diff --git a/gfx/2d/PathRecording.cpp b/gfx/2d/PathRecording.cpp
new file mode 100644
index 000000000..5884a0de9
--- /dev/null
+++ b/gfx/2d/PathRecording.cpp
@@ -0,0 +1,120 @@
+/* -*- 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/. */
+
+#include "PathRecording.h"
+#include "DrawEventRecorder.h"
+
+namespace mozilla {
+namespace gfx {
+
+using namespace std;
+
+void
+PathBuilderRecording::MoveTo(const Point &aPoint)
+{
+  PathOp op;
+  op.mType = PathOp::OP_MOVETO;
+  op.mP1 = aPoint;
+  mPathOps.push_back(op);
+  mPathBuilder->MoveTo(aPoint);
+}
+
+void
+PathBuilderRecording::LineTo(const Point &aPoint)
+{
+  PathOp op;
+  op.mType = PathOp::OP_LINETO;
+  op.mP1 = aPoint;
+  mPathOps.push_back(op);
+  mPathBuilder->LineTo(aPoint);
+}
+
+void
+PathBuilderRecording::BezierTo(const Point &aCP1, const Point &aCP2, const Point &aCP3)
+{
+  PathOp op;
+  op.mType = PathOp::OP_BEZIERTO;
+  op.mP1 = aCP1;
+  op.mP2 = aCP2;
+  op.mP3 = aCP3;
+  mPathOps.push_back(op);
+  mPathBuilder->BezierTo(aCP1, aCP2, aCP3);
+}
+
+void
+PathBuilderRecording::QuadraticBezierTo(const Point &aCP1, const Point &aCP2)
+{
+  PathOp op;
+  op.mType = PathOp::OP_QUADRATICBEZIERTO;
+  op.mP1 = aCP1;
+  op.mP2 = aCP2;
+  mPathOps.push_back(op);
+  mPathBuilder->QuadraticBezierTo(aCP1, aCP2);
+}
+
+void
+PathBuilderRecording::Close()
+{
+  PathOp op;
+  op.mType = PathOp::OP_CLOSE;
+  mPathOps.push_back(op);
+  mPathBuilder->Close();
+}
+
+Point
+PathBuilderRecording::CurrentPoint() const
+{
+  return mPathBuilder->CurrentPoint();
+}
+
+already_AddRefed<Path>
+PathBuilderRecording::Finish()
+{
+  RefPtr<Path> path = mPathBuilder->Finish();
+  return MakeAndAddRef<PathRecording>(path, mPathOps, mFillRule);
+}
+
+PathRecording::~PathRecording()
+{
+  for (size_t i = 0; i < mStoredRecorders.size(); i++) {
+    mStoredRecorders[i]->RemoveStoredObject(this);
+    mStoredRecorders[i]->RecordEvent(RecordedPathDestruction(this));
+  }
+}
+
+already_AddRefed<PathBuilder>
+PathRecording::CopyToBuilder(FillRule aFillRule) const
+{
+  RefPtr<PathBuilder> pathBuilder = mPath->CopyToBuilder(aFillRule);
+  RefPtr<PathBuilderRecording> recording = new PathBuilderRecording(pathBuilder, aFillRule);
+  recording->mPathOps = mPathOps;
+  return recording.forget();
+}
+
+already_AddRefed<PathBuilder>
+PathRecording::TransformedCopyToBuilder(const Matrix &aTransform, FillRule aFillRule) const
+{
+  RefPtr<PathBuilder> pathBuilder = mPath->TransformedCopyToBuilder(aTransform, aFillRule);
+  RefPtr<PathBuilderRecording> recording = new PathBuilderRecording(pathBuilder, aFillRule);
+  typedef std::vector<PathOp> pathOpVec;
+  for (pathOpVec::const_iterator iter = mPathOps.begin(); iter != mPathOps.end(); iter++) {
+    PathOp newPathOp;
+    newPathOp.mType = iter->mType;
+    if (sPointCount[newPathOp.mType] >= 1) {
+      newPathOp.mP1 = aTransform.TransformPoint(iter->mP1);
+    }
+    if (sPointCount[newPathOp.mType] >= 2) {
+      newPathOp.mP2 = aTransform.TransformPoint(iter->mP2);
+    }
+    if (sPointCount[newPathOp.mType] >= 3) {
+      newPathOp.mP3 = aTransform.TransformPoint(iter->mP3);
+    }
+    recording->mPathOps.push_back(newPathOp);
+  }
+  return recording.forget();
+}
+
+} // namespace gfx
+} // namespace mozilla