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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 <stddef.h> | 22 #include <stddef.h> |
23 | 23 |
24 #include <map> | 24 #include <map> |
| 25 #include <memory> |
25 #include <vector> | 26 #include <vector> |
26 | 27 |
27 #include "base/memory/ref_counted_memory.h" | 28 #include "base/memory/ref_counted_memory.h" |
28 #include "base/memory/scoped_ptr.h" | |
29 #include "build/build_config.h" | 29 #include "build/build_config.h" |
30 #include "ui/gfx/gfx_export.h" | 30 #include "ui/gfx/gfx_export.h" |
31 #include "ui/gfx/native_widget_types.h" | 31 #include "ui/gfx/native_widget_types.h" |
32 | 32 |
33 #if defined(OS_MACOSX) && !defined(OS_IOS) | 33 #if defined(OS_MACOSX) && !defined(OS_IOS) |
34 typedef struct CGColorSpace* CGColorSpaceRef; | 34 typedef struct CGColorSpace* CGColorSpaceRef; |
35 #endif | 35 #endif |
36 | 36 |
37 class SkBitmap; | 37 class SkBitmap; |
38 | 38 |
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49 class GFX_EXPORT Image { | 49 class GFX_EXPORT Image { |
50 public: | 50 public: |
51 enum RepresentationType { | 51 enum RepresentationType { |
52 kImageRepCocoa, | 52 kImageRepCocoa, |
53 kImageRepCocoaTouch, | 53 kImageRepCocoaTouch, |
54 kImageRepSkia, | 54 kImageRepSkia, |
55 kImageRepPNG, | 55 kImageRepPNG, |
56 }; | 56 }; |
57 | 57 |
58 using RepresentationMap = | 58 using RepresentationMap = |
59 std::map<RepresentationType, scoped_ptr<internal::ImageRep>>; | 59 std::map<RepresentationType, std::unique_ptr<internal::ImageRep>>; |
60 | 60 |
61 // Creates an empty image with no representations. | 61 // Creates an empty image with no representations. |
62 Image(); | 62 Image(); |
63 | 63 |
64 // Creates a new image by copying the raw PNG-encoded input for use as the | 64 // Creates a new image by copying the raw PNG-encoded input for use as the |
65 // default representation. | 65 // default representation. |
66 explicit Image(const std::vector<ImagePNGRep>& image_reps); | 66 explicit Image(const std::vector<ImagePNGRep>& image_reps); |
67 | 67 |
68 // Creates a new image by copying the ImageSkia for use as the default | 68 // Creates a new image by copying the ImageSkia for use as the default |
69 // representation. | 69 // representation. |
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180 | 180 |
181 // Returns the ImageRep of the appropriate type or NULL if there is no | 181 // Returns the ImageRep of the appropriate type or NULL if there is no |
182 // representation of that type (and must_exist is false). | 182 // representation of that type (and must_exist is false). |
183 internal::ImageRep* GetRepresentation( | 183 internal::ImageRep* GetRepresentation( |
184 RepresentationType rep_type, bool must_exist) const; | 184 RepresentationType rep_type, bool must_exist) const; |
185 | 185 |
186 // Stores a representation into the map. A representation of that type must | 186 // Stores a representation into the map. A representation of that type must |
187 // not already be in the map. Returns a pointer to the representation stored | 187 // not already be in the map. Returns a pointer to the representation stored |
188 // inside the map. | 188 // inside the map. |
189 internal::ImageRep* AddRepresentation( | 189 internal::ImageRep* AddRepresentation( |
190 scoped_ptr<internal::ImageRep> rep) const; | 190 std::unique_ptr<internal::ImageRep> rep) const; |
191 | 191 |
192 // Internal class that holds all the representations. This allows the Image to | 192 // Internal class that holds all the representations. This allows the Image to |
193 // be cheaply copied. | 193 // be cheaply copied. |
194 scoped_refptr<internal::ImageStorage> storage_; | 194 scoped_refptr<internal::ImageStorage> storage_; |
195 }; | 195 }; |
196 | 196 |
197 } // namespace gfx | 197 } // namespace gfx |
198 | 198 |
199 #endif // UI_GFX_IMAGE_IMAGE_H_ | 199 #endif // UI_GFX_IMAGE_IMAGE_H_ |
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