1 files changed, 55 insertions, 0 deletions
diff --git a/chromium/ui/gfx/path_gtk.cc b/chromium/ui/gfx/path_gtk.cc
new file mode 100644
index 00000000000..99dad2be43b
--- /dev/null
+++ b/chromium/ui/gfx/path_gtk.cc
@@ -0,0 +1,55 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/gfx/path.h"
+
+#include <gdk/gdk.h>
+
+#include "base/command_line.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace gfx {
+
+GdkRegion* Path::CreateNativeRegion() const {
+  int point_count = getPoints(NULL, 0);
+  if (point_count <= 1) {
+    // NOTE: ideally this would return gdk_empty_region, but that returns a
+    // region with nothing in it.
+    return NULL;
+  }
+
+  scoped_ptr<SkPoint[]> points(new SkPoint[point_count]);
+  getPoints(points.get(), point_count);
+
+  scoped_ptr<GdkPoint[]> gdk_points(new GdkPoint[point_count]);
+  for (int i = 0; i < point_count; ++i) {
+    gdk_points[i].x = SkScalarRound(points[i].fX);
+    gdk_points[i].y = SkScalarRound(points[i].fY);
+  }
+
+  return gdk_region_polygon(gdk_points.get(), point_count, GDK_EVEN_ODD_RULE);
+}
+
+// static
+NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) {
+  GdkRegion* copy = gdk_region_copy(r1);
+  gdk_region_intersect(copy, r2);
+  return copy;
+}
+
+// static
+NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) {
+  GdkRegion* copy = gdk_region_copy(r1);
+  gdk_region_union(copy, r2);
+  return copy;
+}
+
+// static
+NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) {
+  GdkRegion* copy = gdk_region_copy(r1);
+  gdk_region_subtract(copy, r2);
+  return copy;
+}
+
+}  // namespace gfx