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// Copyright (c) 2012 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.
#ifndef UI_GFX_PATH_H_
#define UI_GFX_PATH_H_
#include "base/basictypes.h"
#include "third_party/skia/include/core/SkPath.h"
#include "ui/gfx/gfx_export.h"
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class GFX_EXPORT Path : public SkPath {
public:
// Used by Path(Point,size_t) constructor.
struct Point {
int x;
int y;
};
struct PointF {
float x;
float y;
};
Path();
// Creates a path populated with the specified points.
Path(const Point* points, size_t count);
Path(const PointF* points, size_t count);
~Path();
#if defined(USE_AURA) || defined(USE_X11)
// Creates a NativeRegion from the path. The caller is responsible for freeing
// resources used by this region. This only supports polygon paths.
NativeRegion CreateNativeRegion() const;
// Returns the intersection of the two regions. The caller owns the returned
// object.
static gfx::NativeRegion IntersectRegions(gfx::NativeRegion r1,
gfx::NativeRegion r2);
// Returns the union of the two regions. The caller owns the returned object.
static gfx::NativeRegion CombineRegions(gfx::NativeRegion r1,
gfx::NativeRegion r2);
// Returns the difference of the two regions. The caller owns the returned
// object.
static gfx::NativeRegion SubtractRegion(gfx::NativeRegion r1,
gfx::NativeRegion r2);
#endif
private:
DISALLOW_COPY_AND_ASSIGN(Path);
};
}
#endif // UI_GFX_PATH_H_
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