1// Copyright 2016 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef CORE_FXGE_CFX_CLIPRGN_H_
8#define CORE_FXGE_CFX_CLIPRGN_H_
9
10#include "core/fxcrt/fx_coordinates.h"
11#include "core/fxcrt/retain_ptr.h"
12
13class CFX_DIBitmap;
14
15class CFX_ClipRgn {
16 public:
17  enum ClipType { RectI, MaskF };
18
19  CFX_ClipRgn(int device_width, int device_height);
20  CFX_ClipRgn(const CFX_ClipRgn& src);
21  ~CFX_ClipRgn();
22
23  ClipType GetType() const { return m_Type; }
24  const FX_RECT& GetBox() const { return m_Box; }
25  RetainPtr<CFX_DIBitmap> GetMask() const { return m_Mask; }
26
27  void Reset(const FX_RECT& rect);
28  void IntersectRect(const FX_RECT& rect);
29  void IntersectMaskF(int left, int top, const RetainPtr<CFX_DIBitmap>& Mask);
30
31 private:
32  void IntersectMaskRect(FX_RECT rect,
33                         FX_RECT mask_box,
34                         const RetainPtr<CFX_DIBitmap>& Mask);
35
36  ClipType m_Type;
37  FX_RECT m_Box;
38  RetainPtr<CFX_DIBitmap> m_Mask;
39};
40
41#endif  // CORE_FXGE_CFX_CLIPRGN_H_
42