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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 // An Image wraps an image any flavor, be it platform-native GdkBitmap/NSImage, | 5 // An Image wraps an image any flavor, be it platform-native GdkBitmap/NSImage, |
6 // or a SkBitmap. This also provides easy conversion to other image types | 6 // or a SkBitmap. This also provides easy conversion to other image types |
7 // through operator overloading. It will cache the converted representations | 7 // through operator overloading. It will cache the converted representations |
8 // internally to prevent double-conversion. | 8 // internally to prevent double-conversion. |
9 // | 9 // |
10 // The lifetime of both the initial representation and any converted ones are | 10 // The lifetime of both the initial representation and any converted ones are |
11 // tied to the lifetime of the Image's internal storage. To allow Images to be | 11 // tied to the lifetime of the Image's internal storage. To allow Images to be |
12 // cheaply passed around by value, the actual image data is stored in a ref- | 12 // cheaply passed around by value, the actual image data is stored in a ref- |
13 // counted member. When all Images referencing this storage are deleted, the | 13 // counted member. When all Images referencing this storage are deleted, the |
14 // actual representations are deleted, too. | 14 // actual representations are deleted, too. |
15 // | 15 // |
16 // Images can be empty, in which case they have no backing representation. | 16 // Images can be empty, in which case they have no backing representation. |
17 // Attempting to use an empty Image will result in a crash. | 17 // Attempting to use an empty Image will result in a crash. |
18 | 18 |
19 #ifndef UI_GFX_IMAGE_IMAGE_H_ | 19 #ifndef UI_GFX_IMAGE_IMAGE_H_ |
20 #define UI_GFX_IMAGE_IMAGE_H_ | 20 #define UI_GFX_IMAGE_IMAGE_H_ |
21 | 21 |
| 22 #include <map> |
22 #include <vector> | 23 #include <vector> |
23 | 24 |
24 #include "base/basictypes.h" | 25 #include "base/basictypes.h" |
25 #include "base/containers/scoped_ptr_map.h" | |
26 #include "base/memory/ref_counted_memory.h" | 26 #include "base/memory/ref_counted_memory.h" |
27 #include "base/memory/scoped_ptr.h" | 27 #include "base/memory/scoped_ptr.h" |
28 #include "ui/gfx/gfx_export.h" | 28 #include "ui/gfx/gfx_export.h" |
29 #include "ui/gfx/native_widget_types.h" | 29 #include "ui/gfx/native_widget_types.h" |
30 | 30 |
31 #if defined(OS_MACOSX) && !defined(OS_IOS) | 31 #if defined(OS_MACOSX) && !defined(OS_IOS) |
32 typedef struct CGColorSpace* CGColorSpaceRef; | 32 typedef struct CGColorSpace* CGColorSpaceRef; |
33 #endif | 33 #endif |
34 | 34 |
35 class SkBitmap; | 35 class SkBitmap; |
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46 | 46 |
47 class GFX_EXPORT Image { | 47 class GFX_EXPORT Image { |
48 public: | 48 public: |
49 enum RepresentationType { | 49 enum RepresentationType { |
50 kImageRepCocoa, | 50 kImageRepCocoa, |
51 kImageRepCocoaTouch, | 51 kImageRepCocoaTouch, |
52 kImageRepSkia, | 52 kImageRepSkia, |
53 kImageRepPNG, | 53 kImageRepPNG, |
54 }; | 54 }; |
55 | 55 |
56 typedef base::ScopedPtrMap<RepresentationType, scoped_ptr<internal::ImageRep>> | 56 using RepresentationMap = |
57 RepresentationMap; | 57 std::map<RepresentationType, scoped_ptr<internal::ImageRep>>; |
58 | 58 |
59 // Creates an empty image with no representations. | 59 // Creates an empty image with no representations. |
60 Image(); | 60 Image(); |
61 | 61 |
62 // Creates a new image by copying the raw PNG-encoded input for use as the | 62 // Creates a new image by copying the raw PNG-encoded input for use as the |
63 // default representation. | 63 // default representation. |
64 explicit Image(const std::vector<ImagePNGRep>& image_reps); | 64 explicit Image(const std::vector<ImagePNGRep>& image_reps); |
65 | 65 |
66 // Creates a new image by copying the ImageSkia for use as the default | 66 // Creates a new image by copying the ImageSkia for use as the default |
67 // representation. | 67 // representation. |
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185 void AddRepresentation(scoped_ptr<internal::ImageRep> rep) const; | 185 void AddRepresentation(scoped_ptr<internal::ImageRep> rep) const; |
186 | 186 |
187 // Internal class that holds all the representations. This allows the Image to | 187 // Internal class that holds all the representations. This allows the Image to |
188 // be cheaply copied. | 188 // be cheaply copied. |
189 scoped_refptr<internal::ImageStorage> storage_; | 189 scoped_refptr<internal::ImageStorage> storage_; |
190 }; | 190 }; |
191 | 191 |
192 } // namespace gfx | 192 } // namespace gfx |
193 | 193 |
194 #endif // UI_GFX_IMAGE_IMAGE_H_ | 194 #endif // UI_GFX_IMAGE_IMAGE_H_ |
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