OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "chrome/browser/thumbnails/content_analysis.h" | 5 #include "chrome/browser/thumbnails/content_analysis.h" |
6 | 6 |
| 7 #include <stddef.h> |
| 8 #include <stdint.h> |
| 9 |
7 #include <algorithm> | 10 #include <algorithm> |
8 #include <cmath> | 11 #include <cmath> |
9 #include <cstdlib> | 12 #include <cstdlib> |
10 #include <functional> | 13 #include <functional> |
11 #include <limits> | 14 #include <limits> |
12 #include <numeric> | 15 #include <numeric> |
13 #include <vector> | 16 #include <vector> |
14 | 17 |
15 #include "base/memory/scoped_ptr.h" | 18 #include "base/memory/scoped_ptr.h" |
16 #include "testing/gtest/include/gtest/gtest.h" | 19 #include "testing/gtest/include/gtest/gtest.h" |
(...skipping 11 matching lines...) Expand all Loading... |
28 #ifndef M_PI | 31 #ifndef M_PI |
29 #define M_PI 3.14159265358979323846 | 32 #define M_PI 3.14159265358979323846 |
30 #endif | 33 #endif |
31 | 34 |
32 unsigned long ImagePixelSum(const SkBitmap& bitmap, const gfx::Rect& rect) { | 35 unsigned long ImagePixelSum(const SkBitmap& bitmap, const gfx::Rect& rect) { |
33 // Get the sum of pixel values in the rectangle. Applicable only to | 36 // Get the sum of pixel values in the rectangle. Applicable only to |
34 // monochrome bitmaps. | 37 // monochrome bitmaps. |
35 DCHECK_EQ(kAlpha_8_SkColorType, bitmap.colorType()); | 38 DCHECK_EQ(kAlpha_8_SkColorType, bitmap.colorType()); |
36 unsigned long total = 0; | 39 unsigned long total = 0; |
37 for (int r = rect.y(); r < rect.bottom(); ++r) { | 40 for (int r = rect.y(); r < rect.bottom(); ++r) { |
38 const uint8* row_data = static_cast<const uint8*>( | 41 const uint8_t* row_data = |
39 bitmap.getPixels()) + r * bitmap.rowBytes(); | 42 static_cast<const uint8_t*>(bitmap.getPixels()) + r * bitmap.rowBytes(); |
40 for (int c = rect.x(); c < rect.right(); ++c) | 43 for (int c = rect.x(); c < rect.right(); ++c) |
41 total += row_data[c]; | 44 total += row_data[c]; |
42 } | 45 } |
43 | 46 |
44 return total; | 47 return total; |
45 } | 48 } |
46 | 49 |
47 bool CompareImageFragments(const SkBitmap& bitmap_left, | 50 bool CompareImageFragments(const SkBitmap& bitmap_left, |
48 const SkBitmap& bitmap_right, | 51 const SkBitmap& bitmap_right, |
49 const gfx::Size& comparison_area, | 52 const gfx::Size& comparison_area, |
(...skipping 626 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
676 | 679 |
677 int histogram[256] = {}; | 680 int histogram[256] = {}; |
678 color_utils::BuildLumaHistogram(result, histogram); | 681 color_utils::BuildLumaHistogram(result, histogram); |
679 int non_zero_color_count = std::count_if( | 682 int non_zero_color_count = std::count_if( |
680 histogram, histogram + 256, [](int value) { return value > 0; }); | 683 histogram, histogram + 256, [](int value) { return value > 0; }); |
681 EXPECT_GT(non_zero_color_count, 4); | 684 EXPECT_GT(non_zero_color_count, 4); |
682 | 685 |
683 } | 686 } |
684 | 687 |
685 } // namespace thumbnailing_utils | 688 } // namespace thumbnailing_utils |
OLD | NEW |