| OLD | NEW |
| 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 #include "ui/gfx/image.h" | 5 #include "ui/gfx/image.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/stl_util-inl.h" | 10 #include "base/stl_util-inl.h" |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 #if defined(OS_LINUX) | 33 #if defined(OS_LINUX) |
| 34 const SkBitmap* GdkPixbufToSkBitmap(GdkPixbuf* pixbuf) { | 34 const SkBitmap* GdkPixbufToSkBitmap(GdkPixbuf* pixbuf) { |
| 35 gfx::CanvasSkia canvas(gdk_pixbuf_get_width(pixbuf), | 35 gfx::CanvasSkia canvas(gdk_pixbuf_get_width(pixbuf), |
| 36 gdk_pixbuf_get_height(pixbuf), | 36 gdk_pixbuf_get_height(pixbuf), |
| 37 /*is_opaque=*/false); | 37 /*is_opaque=*/false); |
| 38 canvas.DrawGdkPixbuf(pixbuf, 0, 0); | 38 canvas.DrawGdkPixbuf(pixbuf, 0, 0); |
| 39 return new SkBitmap(canvas.ExtractBitmap()); | 39 return new SkBitmap(canvas.ExtractBitmap()); |
| 40 } | 40 } |
| 41 #endif | 41 #endif |
| 42 | 42 |
| 43 class SkBitmapRep; | 43 class ImageRepSkia; |
| 44 class GdkPixbufRep; | 44 class ImageRepGdk; |
| 45 class NSImageRep; | 45 class ImageRepCocoa; |
| 46 | 46 |
| 47 // An ImageRep is the object that holds the backing memory for an Image. Each | 47 // An ImageRep is the object that holds the backing memory for an Image. Each |
| 48 // RepresentationType has an ImageRep subclass that is responsible for freeing | 48 // RepresentationType has an ImageRep subclass that is responsible for freeing |
| 49 // the memory that the ImageRep holds. When an ImageRep is created, it expects | 49 // the memory that the ImageRep holds. When an ImageRep is created, it expects |
| 50 // to take ownership of the image, without having to retain it or increase its | 50 // to take ownership of the image, without having to retain it or increase its |
| 51 // reference count. | 51 // reference count. |
| 52 class ImageRep { | 52 class ImageRep { |
| 53 public: | 53 public: |
| 54 explicit ImageRep(Image::RepresentationType rep) : type_(rep) {} | 54 explicit ImageRep(Image::RepresentationType rep) : type_(rep) {} |
| 55 | 55 |
| 56 // Deletes the associated pixels of an ImageRep. | 56 // Deletes the associated pixels of an ImageRep. |
| 57 virtual ~ImageRep() {} | 57 virtual ~ImageRep() {} |
| 58 | 58 |
| 59 // Cast helpers ("fake RTTI"). | 59 // Cast helpers ("fake RTTI"). |
| 60 SkBitmapRep* AsSkBitmapRep() { | 60 ImageRepSkia* AsImageRepSkia() { |
| 61 CHECK_EQ(type_, Image::kSkBitmapRep); | 61 CHECK_EQ(type_, Image::kImageRepSkia); |
| 62 return reinterpret_cast<SkBitmapRep*>(this); | 62 return reinterpret_cast<ImageRepSkia*>(this); |
| 63 } | 63 } |
| 64 | 64 |
| 65 #if defined(OS_LINUX) | 65 #if defined(OS_LINUX) |
| 66 GdkPixbufRep* AsGdkPixbufRep() { | 66 ImageRepGdk* AsImageRepGdk() { |
| 67 CHECK_EQ(type_, Image::kGdkPixbufRep); | 67 CHECK_EQ(type_, Image::kImageRepGdk); |
| 68 return reinterpret_cast<GdkPixbufRep*>(this); | 68 return reinterpret_cast<ImageRepGdk*>(this); |
| 69 } | 69 } |
| 70 #endif | 70 #endif |
| 71 | 71 |
| 72 #if defined(OS_MACOSX) | 72 #if defined(OS_MACOSX) |
| 73 NSImageRep* AsNSImageRep() { | 73 ImageRepCocoa* AsImageRepCocoa() { |
| 74 CHECK_EQ(type_, Image::kNSImageRep); | 74 CHECK_EQ(type_, Image::kImageRepCocoa); |
| 75 return reinterpret_cast<NSImageRep*>(this); | 75 return reinterpret_cast<ImageRepCocoa*>(this); |
| 76 } | 76 } |
| 77 #endif | 77 #endif |
| 78 | 78 |
| 79 Image::RepresentationType type() const { return type_; } | 79 Image::RepresentationType type() const { return type_; } |
| 80 | 80 |
| 81 private: | 81 private: |
| 82 Image::RepresentationType type_; | 82 Image::RepresentationType type_; |
| 83 }; | 83 }; |
| 84 | 84 |
| 85 class SkBitmapRep : public ImageRep { | 85 class ImageRepSkia : public ImageRep { |
| 86 public: | 86 public: |
| 87 explicit SkBitmapRep(const SkBitmap* bitmap) | 87 explicit ImageRepSkia(const SkBitmap* bitmap) |
| 88 : ImageRep(Image::kSkBitmapRep) { | 88 : ImageRep(Image::kImageRepSkia) { |
| 89 CHECK(bitmap); | 89 CHECK(bitmap); |
| 90 bitmaps_.push_back(bitmap); | 90 bitmaps_.push_back(bitmap); |
| 91 } | 91 } |
| 92 | 92 |
| 93 explicit SkBitmapRep(const std::vector<const SkBitmap*>& bitmaps) | 93 explicit ImageRepSkia(const std::vector<const SkBitmap*>& bitmaps) |
| 94 : ImageRep(Image::kSkBitmapRep), | 94 : ImageRep(Image::kImageRepSkia), |
| 95 bitmaps_(bitmaps) { | 95 bitmaps_(bitmaps) { |
| 96 CHECK(!bitmaps_.empty()); | 96 CHECK(!bitmaps_.empty()); |
| 97 } | 97 } |
| 98 | 98 |
| 99 virtual ~SkBitmapRep() { | 99 virtual ~ImageRepSkia() { |
| 100 STLDeleteElements(&bitmaps_); | 100 STLDeleteElements(&bitmaps_); |
| 101 } | 101 } |
| 102 | 102 |
| 103 const SkBitmap* bitmap() const { return bitmaps_[0]; } | 103 const SkBitmap* bitmap() const { return bitmaps_[0]; } |
| 104 | 104 |
| 105 const std::vector<const SkBitmap*>& bitmaps() const { return bitmaps_; } | 105 const std::vector<const SkBitmap*>& bitmaps() const { return bitmaps_; } |
| 106 | 106 |
| 107 private: | 107 private: |
| 108 std::vector<const SkBitmap*> bitmaps_; | 108 std::vector<const SkBitmap*> bitmaps_; |
| 109 | 109 |
| 110 DISALLOW_COPY_AND_ASSIGN(SkBitmapRep); | 110 DISALLOW_COPY_AND_ASSIGN(ImageRepSkia); |
| 111 }; | 111 }; |
| 112 | 112 |
| 113 #if defined(OS_LINUX) | 113 #if defined(OS_LINUX) |
| 114 class GdkPixbufRep : public ImageRep { | 114 class ImageRepGdk : public ImageRep { |
| 115 public: | 115 public: |
| 116 explicit GdkPixbufRep(GdkPixbuf* pixbuf) | 116 explicit ImageRepGdk(GdkPixbuf* pixbuf) |
| 117 : ImageRep(Image::kGdkPixbufRep), | 117 : ImageRep(Image::kImageRepGdk), |
| 118 pixbuf_(pixbuf) { | 118 pixbuf_(pixbuf) { |
| 119 CHECK(pixbuf); | 119 CHECK(pixbuf); |
| 120 } | 120 } |
| 121 | 121 |
| 122 virtual ~GdkPixbufRep() { | 122 virtual ~ImageRepGdk() { |
| 123 if (pixbuf_) { | 123 if (pixbuf_) { |
| 124 g_object_unref(pixbuf_); | 124 g_object_unref(pixbuf_); |
| 125 pixbuf_ = NULL; | 125 pixbuf_ = NULL; |
| 126 } | 126 } |
| 127 } | 127 } |
| 128 | 128 |
| 129 GdkPixbuf* pixbuf() const { return pixbuf_; } | 129 GdkPixbuf* pixbuf() const { return pixbuf_; } |
| 130 | 130 |
| 131 private: | 131 private: |
| 132 GdkPixbuf* pixbuf_; | 132 GdkPixbuf* pixbuf_; |
| 133 | 133 |
| 134 DISALLOW_COPY_AND_ASSIGN(GdkPixbufRep); | 134 DISALLOW_COPY_AND_ASSIGN(ImageRepGdk); |
| 135 }; | 135 }; |
| 136 #endif | 136 #endif |
| 137 | 137 |
| 138 #if defined(OS_MACOSX) | 138 #if defined(OS_MACOSX) |
| 139 class NSImageRep : public ImageRep { | 139 class ImageRepCocoa : public ImageRep { |
| 140 public: | 140 public: |
| 141 explicit NSImageRep(NSImage* image) | 141 explicit ImageRepCocoa(NSImage* image) |
| 142 : ImageRep(Image::kNSImageRep), | 142 : ImageRep(Image::kImageRepCocoa), |
| 143 image_(image) { | 143 image_(image) { |
| 144 CHECK(image); | 144 CHECK(image); |
| 145 } | 145 } |
| 146 | 146 |
| 147 virtual ~NSImageRep() { | 147 virtual ~ImageRepCocoa() { |
| 148 base::mac::NSObjectRelease(image_); | 148 base::mac::NSObjectRelease(image_); |
| 149 image_ = nil; | 149 image_ = nil; |
| 150 } | 150 } |
| 151 | 151 |
| 152 NSImage* image() const { return image_; } | 152 NSImage* image() const { return image_; } |
| 153 | 153 |
| 154 private: | 154 private: |
| 155 NSImage* image_; | 155 NSImage* image_; |
| 156 | 156 |
| 157 DISALLOW_COPY_AND_ASSIGN(NSImageRep); | 157 DISALLOW_COPY_AND_ASSIGN(ImageRepCocoa); |
| 158 }; | 158 }; |
| 159 #endif | 159 #endif |
| 160 | 160 |
| 161 // The Storage class acts similarly to the pixels in a SkBitmap: the Image | 161 // The Storage class acts similarly to the pixels in a SkBitmap: the Image |
| 162 // class holds a refptr instance of Storage, which in turn holds all the | 162 // class holds a refptr instance of Storage, which in turn holds all the |
| 163 // ImageReps. This way, the Image can be cheaply copied. | 163 // ImageReps. This way, the Image can be cheaply copied. |
| 164 class ImageStorage : public base::RefCounted<ImageStorage> { | 164 class ImageStorage : public base::RefCounted<ImageStorage> { |
| 165 public: | 165 public: |
| 166 ImageStorage(gfx::Image::RepresentationType default_type) | 166 ImageStorage(gfx::Image::RepresentationType default_type) |
| 167 : default_representation_type_(default_type) { | 167 : default_representation_type_(default_type) { |
| (...skipping 21 matching lines...) Expand all Loading... |
| 189 // All the representations of an Image. Size will always be at least one, with | 189 // All the representations of an Image. Size will always be at least one, with |
| 190 // more for any converted representations. | 190 // more for any converted representations. |
| 191 gfx::Image::RepresentationMap representations_; | 191 gfx::Image::RepresentationMap representations_; |
| 192 | 192 |
| 193 friend class base::RefCounted<ImageStorage>; | 193 friend class base::RefCounted<ImageStorage>; |
| 194 }; | 194 }; |
| 195 | 195 |
| 196 } // namespace internal | 196 } // namespace internal |
| 197 | 197 |
| 198 Image::Image(const SkBitmap* bitmap) | 198 Image::Image(const SkBitmap* bitmap) |
| 199 : storage_(new internal::ImageStorage(Image::kSkBitmapRep)) { | 199 : storage_(new internal::ImageStorage(Image::kImageRepSkia)) { |
| 200 internal::SkBitmapRep* rep = new internal::SkBitmapRep(bitmap); | 200 internal::ImageRepSkia* rep = new internal::ImageRepSkia(bitmap); |
| 201 AddRepresentation(rep); | 201 AddRepresentation(rep); |
| 202 } | 202 } |
| 203 | 203 |
| 204 Image::Image(const std::vector<const SkBitmap*>& bitmaps) | 204 Image::Image(const std::vector<const SkBitmap*>& bitmaps) |
| 205 : storage_(new internal::ImageStorage(Image::kSkBitmapRep)) { | 205 : storage_(new internal::ImageStorage(Image::kImageRepSkia)) { |
| 206 internal::SkBitmapRep* rep = new internal::SkBitmapRep(bitmaps); | 206 internal::ImageRepSkia* rep = new internal::ImageRepSkia(bitmaps); |
| 207 AddRepresentation(rep); | 207 AddRepresentation(rep); |
| 208 } | 208 } |
| 209 | 209 |
| 210 #if defined(OS_LINUX) | 210 #if defined(OS_LINUX) |
| 211 Image::Image(GdkPixbuf* pixbuf) | 211 Image::Image(GdkPixbuf* pixbuf) |
| 212 : storage_(new internal::ImageStorage(Image::kGdkPixbufRep)) { | 212 : storage_(new internal::ImageStorage(Image::kImageRepGdk)) { |
| 213 internal::GdkPixbufRep* rep = new internal::GdkPixbufRep(pixbuf); | 213 internal::ImageRepGdk* rep = new internal::ImageRepGdk(pixbuf); |
| 214 AddRepresentation(rep); | 214 AddRepresentation(rep); |
| 215 } | 215 } |
| 216 #endif | 216 #endif |
| 217 | 217 |
| 218 #if defined(OS_MACOSX) | 218 #if defined(OS_MACOSX) |
| 219 Image::Image(NSImage* image) | 219 Image::Image(NSImage* image) |
| 220 : storage_(new internal::ImageStorage(Image::kNSImageRep)) { | 220 : storage_(new internal::ImageStorage(Image::kImageRepCocoa)) { |
| 221 internal::NSImageRep* rep = new internal::NSImageRep(image); | 221 internal::ImageRepCocoa* rep = new internal::ImageRepCocoa(image); |
| 222 AddRepresentation(rep); | 222 AddRepresentation(rep); |
| 223 } | 223 } |
| 224 #endif | 224 #endif |
| 225 | 225 |
| 226 Image::Image(const Image& other) : storage_(other.storage_) { | 226 Image::Image(const Image& other) : storage_(other.storage_) { |
| 227 } | 227 } |
| 228 | 228 |
| 229 Image& Image::operator=(const Image& other) { | 229 Image& Image::operator=(const Image& other) { |
| 230 storage_ = other.storage_; | 230 storage_ = other.storage_; |
| 231 return *this; | 231 return *this; |
| 232 } | 232 } |
| 233 | 233 |
| 234 Image::~Image() { | 234 Image::~Image() { |
| 235 } | 235 } |
| 236 | 236 |
| 237 Image::operator const SkBitmap*() const { | 237 Image::operator const SkBitmap*() const { |
| 238 internal::ImageRep* rep = GetRepresentation(Image::kSkBitmapRep); | 238 internal::ImageRep* rep = GetRepresentation(Image::kImageRepSkia); |
| 239 return rep->AsSkBitmapRep()->bitmap(); | 239 return rep->AsImageRepSkia()->bitmap(); |
| 240 } | 240 } |
| 241 | 241 |
| 242 Image::operator const SkBitmap&() const { | 242 Image::operator const SkBitmap&() const { |
| 243 return *(this->operator const SkBitmap*()); | 243 return *(this->operator const SkBitmap*()); |
| 244 } | 244 } |
| 245 | 245 |
| 246 #if defined(OS_LINUX) | 246 #if defined(OS_LINUX) |
| 247 Image::operator GdkPixbuf*() const { | 247 Image::operator GdkPixbuf*() const { |
| 248 internal::ImageRep* rep = GetRepresentation(Image::kGdkPixbufRep); | 248 internal::ImageRep* rep = GetRepresentation(Image::kImageRepGdk); |
| 249 return rep->AsGdkPixbufRep()->pixbuf(); | 249 return rep->AsImageRepGdk()->pixbuf(); |
| 250 } | 250 } |
| 251 #endif | 251 #endif |
| 252 | 252 |
| 253 #if defined(OS_MACOSX) | 253 #if defined(OS_MACOSX) |
| 254 Image::operator NSImage*() const { | 254 Image::operator NSImage*() const { |
| 255 internal::ImageRep* rep = GetRepresentation(Image::kNSImageRep); | 255 internal::ImageRep* rep = GetRepresentation(Image::kImageRepCocoa); |
| 256 return rep->AsNSImageRep()->image(); | 256 return rep->AsImageRepCocoa()->image(); |
| 257 } | 257 } |
| 258 #endif | 258 #endif |
| 259 | 259 |
| 260 bool Image::HasRepresentation(RepresentationType type) const { | 260 bool Image::HasRepresentation(RepresentationType type) const { |
| 261 return storage_->representations().count(type) != 0; | 261 return storage_->representations().count(type) != 0; |
| 262 } | 262 } |
| 263 | 263 |
| 264 size_t Image::RepresentationCount() const { | 264 size_t Image::RepresentationCount() const { |
| 265 return storage_->representations().size(); | 265 return storage_->representations().size(); |
| 266 } | 266 } |
| (...skipping 19 matching lines...) Expand all Loading... |
| 286 | 286 |
| 287 // Check to see if the representation already exists. | 287 // Check to see if the representation already exists. |
| 288 RepresentationMap::iterator it = storage_->representations().find(rep_type); | 288 RepresentationMap::iterator it = storage_->representations().find(rep_type); |
| 289 if (it != storage_->representations().end()) | 289 if (it != storage_->representations().end()) |
| 290 return it->second; | 290 return it->second; |
| 291 | 291 |
| 292 // At this point, the requested rep does not exist, so it must be converted | 292 // At this point, the requested rep does not exist, so it must be converted |
| 293 // from the default rep. | 293 // from the default rep. |
| 294 | 294 |
| 295 // Handle native-to-Skia conversion. | 295 // Handle native-to-Skia conversion. |
| 296 if (rep_type == Image::kSkBitmapRep) { | 296 if (rep_type == Image::kImageRepSkia) { |
| 297 internal::SkBitmapRep* rep = NULL; | 297 internal::ImageRepSkia* rep = NULL; |
| 298 #if defined(OS_LINUX) | 298 #if defined(OS_LINUX) |
| 299 if (storage_->default_representation_type() == Image::kGdkPixbufRep) { | 299 if (storage_->default_representation_type() == Image::kImageRepGdk) { |
| 300 internal::GdkPixbufRep* pixbuf_rep = default_rep->AsGdkPixbufRep(); | 300 internal::ImageRepGdk* pixbuf_rep = default_rep->AsImageRepGdk(); |
| 301 rep = new internal::SkBitmapRep( | 301 rep = new internal::ImageRepSkia( |
| 302 internal::GdkPixbufToSkBitmap(pixbuf_rep->pixbuf())); | 302 internal::GdkPixbufToSkBitmap(pixbuf_rep->pixbuf())); |
| 303 } | 303 } |
| 304 #elif defined(OS_MACOSX) | 304 #elif defined(OS_MACOSX) |
| 305 if (storage_->default_representation_type() == Image::kNSImageRep) { | 305 if (storage_->default_representation_type() == Image::kImageRepCocoa) { |
| 306 internal::NSImageRep* nsimage_rep = default_rep->AsNSImageRep(); | 306 internal::ImageRepCocoa* nsimage_rep = default_rep->AsImageRepCocoa(); |
| 307 std::vector<const SkBitmap*> bitmaps; | 307 std::vector<const SkBitmap*> bitmaps; |
| 308 CHECK(internal::NSImageToSkBitmaps(nsimage_rep->image(), &bitmaps)); | 308 CHECK(internal::NSImageToSkBitmaps(nsimage_rep->image(), &bitmaps)); |
| 309 rep = new internal::SkBitmapRep(bitmaps); | 309 rep = new internal::ImageRepSkia(bitmaps); |
| 310 } | 310 } |
| 311 #endif | 311 #endif |
| 312 CHECK(rep); | 312 CHECK(rep); |
| 313 AddRepresentation(rep); | 313 AddRepresentation(rep); |
| 314 return rep; | 314 return rep; |
| 315 } | 315 } |
| 316 | 316 |
| 317 // Handle Skia-to-native conversions. | 317 // Handle Skia-to-native conversions. |
| 318 if (default_rep->type() == Image::kSkBitmapRep) { | 318 if (default_rep->type() == Image::kImageRepSkia) { |
| 319 internal::SkBitmapRep* skia_rep = default_rep->AsSkBitmapRep(); | 319 internal::ImageRepSkia* skia_rep = default_rep->AsImageRepSkia(); |
| 320 internal::ImageRep* native_rep = NULL; | 320 internal::ImageRep* native_rep = NULL; |
| 321 #if defined(OS_LINUX) | 321 #if defined(OS_LINUX) |
| 322 if (rep_type == Image::kGdkPixbufRep) { | 322 if (rep_type == Image::kImageRepGdk) { |
| 323 GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(skia_rep->bitmap()); | 323 GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(skia_rep->bitmap()); |
| 324 native_rep = new internal::GdkPixbufRep(pixbuf); | 324 native_rep = new internal::ImageRepGdk(pixbuf); |
| 325 } | 325 } |
| 326 #elif defined(OS_MACOSX) | 326 #elif defined(OS_MACOSX) |
| 327 if (rep_type == Image::kNSImageRep) { | 327 if (rep_type == Image::kImageRepCocoa) { |
| 328 NSImage* image = gfx::SkBitmapsToNSImage(skia_rep->bitmaps()); | 328 NSImage* image = gfx::SkBitmapsToNSImage(skia_rep->bitmaps()); |
| 329 base::mac::NSObjectRetain(image); | 329 base::mac::NSObjectRetain(image); |
| 330 native_rep = new internal::NSImageRep(image); | 330 native_rep = new internal::ImageRepCocoa(image); |
| 331 } | 331 } |
| 332 #endif | 332 #endif |
| 333 CHECK(native_rep); | 333 CHECK(native_rep); |
| 334 AddRepresentation(native_rep); | 334 AddRepresentation(native_rep); |
| 335 return native_rep; | 335 return native_rep; |
| 336 } | 336 } |
| 337 | 337 |
| 338 // Something went seriously wrong... | 338 // Something went seriously wrong... |
| 339 return NULL; | 339 return NULL; |
| 340 } | 340 } |
| 341 | 341 |
| 342 void Image::AddRepresentation(internal::ImageRep* rep) const { | 342 void Image::AddRepresentation(internal::ImageRep* rep) const { |
| 343 storage_->representations().insert(std::make_pair(rep->type(), rep)); | 343 storage_->representations().insert(std::make_pair(rep->type(), rep)); |
| 344 } | 344 } |
| 345 | 345 |
| 346 size_t Image::GetNumberOfSkBitmaps() const { | 346 size_t Image::GetNumberOfSkBitmaps() const { |
| 347 return GetRepresentation(Image::kSkBitmapRep)->AsSkBitmapRep()-> | 347 return GetRepresentation(Image::kImageRepSkia)->AsImageRepSkia()-> |
| 348 bitmaps().size(); | 348 bitmaps().size(); |
| 349 } | 349 } |
| 350 | 350 |
| 351 const SkBitmap* Image::GetSkBitmapAtIndex(size_t index) const { | 351 const SkBitmap* Image::GetSkBitmapAtIndex(size_t index) const { |
| 352 return GetRepresentation(Image::kSkBitmapRep)->AsSkBitmapRep()-> | 352 return GetRepresentation(Image::kImageRepSkia)->AsImageRepSkia()-> |
| 353 bitmaps()[index]; | 353 bitmaps()[index]; |
| 354 } | 354 } |
| 355 | 355 |
| 356 } // namespace gfx | 356 } // namespace gfx |
| OLD | NEW |