1// Copyright (c) 2013 The Chromium 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#ifndef REMOTING_HOST_SCREEN_RESOLUTION_H_
6#define REMOTING_HOST_SCREEN_RESOLUTION_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
11
12namespace remoting {
13
14// Describes a screen's dimensions and DPI.
15class ScreenResolution {
16 public:
17  ScreenResolution();
18  ScreenResolution(const webrtc::DesktopSize& dimensions,
19                   const webrtc::DesktopVector& dpi);
20
21  // Returns the screen dimensions scaled according to the passed |new_dpi|.
22  webrtc::DesktopSize ScaleDimensionsToDpi(
23      const webrtc::DesktopVector& new_dpi) const;
24
25  // Dimensions of the screen in pixels.
26  const webrtc::DesktopSize& dimensions() const { return dimensions_; }
27
28  // The vertical and horizontal DPI of the screen.
29  const webrtc::DesktopVector& dpi() const { return dpi_; }
30
31  // Returns true if |dimensions_| specifies an empty rectangle or when
32  // IsValid() returns false.
33  bool IsEmpty() const;
34
35  // Returns true if the dimensions and DPI of the two resolutions match.
36  bool Equals(const ScreenResolution& other) const;
37
38 private:
39  webrtc::DesktopSize dimensions_;
40  webrtc::DesktopVector dpi_;
41};
42
43}  // namespace remoting
44
45#endif  // REMOTING_HOST_SCREEN_RESOLUTION_H_
46