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Side by Side Diff: remoting/host/differ.h

Issue 3814013: FBTF: Monster ctor patch after changing heuristics in clang plugin. (Closed) Base URL: http://git.chromium.org/git/chromium.git
Patch Set: More add file fail Created 10 years, 2 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef REMOTING_HOST_DIFFER_H_ 5 #ifndef REMOTING_HOST_DIFFER_H_
6 #define REMOTING_HOST_DIFFER_H_ 6 #define REMOTING_HOST_DIFFER_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/scoped_ptr.h" 11 #include "base/scoped_ptr.h"
12 #include "gfx/rect.h" 12 #include "gfx/rect.h"
13 #include "remoting/base/types.h" 13 #include "remoting/base/types.h"
14 14
15 namespace remoting { 15 namespace remoting {
16 16
17 typedef uint8 DiffInfo; 17 typedef uint8 DiffInfo;
18 18
19 // Size (in pixels) of each square block used for diffing. 19 // Size (in pixels) of each square block used for diffing.
20 // This must be a multiple of sizeof(uint64). 20 // This must be a multiple of sizeof(uint64).
21 static const int kBlockSize = 32; 21 static const int kBlockSize = 32;
22 22
23 class Differ { 23 class Differ {
24 public: 24 public:
25 // Create a differ that operates on bitmaps with the specified width, height 25 // Create a differ that operates on bitmaps with the specified width, height
26 // and bytes_per_pixel. 26 // and bytes_per_pixel.
27 Differ(int width, int height, int bytes_per_pixel, int stride); 27 Differ(int width, int height, int bytes_per_pixel, int stride);
28 ~Differ();
28 29
29 // Given the previous and current screen buffer, calculate the set of 30 // Given the previous and current screen buffer, calculate the set of
30 // rectangles that enclose all the changed pixels in the new screen. 31 // rectangles that enclose all the changed pixels in the new screen.
31 void CalcDirtyRects(const void* prev_buffer, const void* curr_buffer, 32 void CalcDirtyRects(const void* prev_buffer, const void* curr_buffer,
32 InvalidRects* rects); 33 InvalidRects* rects);
33 34
34 // Identify all of the blocks that contain changed pixels. 35 // Identify all of the blocks that contain changed pixels.
35 void MarkDirtyBlocks(const void* prev_buffer, const void* curr_buffer); 36 void MarkDirtyBlocks(const void* prev_buffer, const void* curr_buffer);
36 37
37 // Diff a small block of image and return non-zero if there is a diff. 38 // Diff a small block of image and return non-zero if there is a diff.
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78 int diff_info_width_; 79 int diff_info_width_;
79 int diff_info_height_; 80 int diff_info_height_;
80 int diff_info_size_; 81 int diff_info_size_;
81 82
82 DISALLOW_COPY_AND_ASSIGN(Differ); 83 DISALLOW_COPY_AND_ASSIGN(Differ);
83 }; 84 };
84 85
85 } // namespace remoting 86 } // namespace remoting
86 87
87 #endif // REMOTING_HOST_DIFFER_H_ 88 #endif // REMOTING_HOST_DIFFER_H_
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