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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 PRINTING_IMAGE_H_ | 5 #ifndef PRINTING_IMAGE_H_ |
6 #define PRINTING_IMAGE_H_ | 6 #define PRINTING_IMAGE_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <string> | 11 #include <string> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/logging.h" | 14 #include "base/logging.h" |
15 #include "printing/printing_export.h" | 15 #include "printing/printing_export.h" |
16 #include "ui/gfx/geometry/size.h" | 16 #include "ui/gfx/geometry/size.h" |
17 | 17 |
18 namespace base { | 18 namespace base { |
19 class FilePath; | 19 class FilePath; |
20 } | 20 } |
21 | 21 |
22 namespace printing { | 22 namespace printing { |
23 | 23 |
24 class Metafile; | |
25 | |
26 // Lightweight raw-bitmap management. The image, once initialized, is immutable. | 24 // Lightweight raw-bitmap management. The image, once initialized, is immutable. |
27 // The main purpose is testing image contents. | 25 // The main purpose is testing image contents. |
28 class PRINTING_EXPORT Image { | 26 class PRINTING_EXPORT Image { |
29 public: | 27 public: |
30 // Creates the image from the metafile. Deduces bounds based on bounds in | 28 // Creates the image from the metafile. Deduces bounds based on bounds in |
31 // metafile. If loading fails size().IsEmpty() will be true. | 29 // metafile. If loading fails size().IsEmpty() will be true. |
32 explicit Image(const Metafile& metafile); | 30 Image(const void* metafile_src_buffer, size_t metafile_src_buffer_size); |
33 | 31 |
34 // Copy constructor. | 32 // Copy constructor. |
35 explicit Image(const Image& image); | 33 explicit Image(const Image& image); |
36 | 34 |
37 ~Image(); | 35 ~Image(); |
38 | 36 |
39 const gfx::Size& size() const { | 37 const gfx::Size& size() const { |
40 return size_; | 38 return size_; |
41 } | 39 } |
42 | 40 |
(...skipping 16 matching lines...) Expand all Loading... | |
59 | 57 |
60 uint32_t pixel_at(int x, int y) const { | 58 uint32_t pixel_at(int x, int y) const { |
61 DCHECK(x >= 0 && x < size_.width()); | 59 DCHECK(x >= 0 && x < size_.width()); |
62 DCHECK(y >= 0 && y < size_.height()); | 60 DCHECK(y >= 0 && y < size_.height()); |
63 const uint32_t* data = reinterpret_cast<const uint32_t*>(&*data_.begin()); | 61 const uint32_t* data = reinterpret_cast<const uint32_t*>(&*data_.begin()); |
64 const uint32_t* data_row = data + y * row_length_ / sizeof(uint32_t); | 62 const uint32_t* data_row = data + y * row_length_ / sizeof(uint32_t); |
65 return Color(data_row[x]); | 63 return Color(data_row[x]); |
66 } | 64 } |
67 | 65 |
68 private: | 66 private: |
69 // Construct from metafile. This is kept internal since it's ambiguous what | |
70 // kind of data is used (png, bmp, metafile etc). | |
71 Image(const void* data, size_t size); | |
72 | |
73 bool LoadPng(const std::string& compressed); | 67 bool LoadPng(const std::string& compressed); |
Lei Zhang
2017/04/12 19:33:33
This is dead code, BTW.
hal.canary
2017/04/13 20:55:38
I'll clean up some of this dead code....and I just
Lei Zhang
2017/04/13 21:21:20
There's certainly a lot of cruft here.
| |
74 | 68 |
75 bool LoadMetafile(const Metafile& metafile); | 69 bool LoadMetafile(const void* metafile_src_buffer, |
70 size_t metafile_src_buffer_size); | |
76 | 71 |
77 // Pixel dimensions of the image. | 72 // Pixel dimensions of the image. |
78 gfx::Size size_; | 73 gfx::Size size_; |
79 | 74 |
80 // Length of a line in bytes. | 75 // Length of a line in bytes. |
81 int row_length_; | 76 int row_length_; |
82 | 77 |
83 // Actual bitmap data in arrays of RGBAs (so when loaded as uint32_t, it's | 78 // Actual bitmap data in arrays of RGBAs (so when loaded as uint32_t, it's |
84 // 0xABGR). | 79 // 0xABGR). |
85 std::vector<unsigned char> data_; | 80 std::vector<unsigned char> data_; |
86 | 81 |
87 // Flag to signal if the comparison functions should ignore the alpha channel. | 82 // Flag to signal if the comparison functions should ignore the alpha channel. |
88 const bool ignore_alpha_; // Currently always true. | 83 const bool ignore_alpha_; // Currently always true. |
89 | 84 |
90 // Prevent operator= (this function has no implementation) | 85 // Prevent operator= (this function has no implementation) |
91 Image& operator=(const Image& image); | 86 Image& operator=(const Image& image); |
92 }; | 87 }; |
93 | 88 |
94 } // namespace printing | 89 } // namespace printing |
95 | 90 |
96 #endif // PRINTING_IMAGE_H_ | 91 #endif // PRINTING_IMAGE_H_ |
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