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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/gfx/image/image.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <set> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/stl_util.h" | |
| 13 #include "third_party/skia/include/core/SkBitmap.h" | |
| 14 #include "ui/gfx/image/image_png_rep.h" | |
| 15 #include "ui/gfx/image/image_skia.h" | |
| 16 #include "ui/gfx/image/image_skia_source.h" | |
| 17 #include "ui/gfx/size.h" | |
| 18 | |
| 19 #if !defined(OS_IOS) | |
| 20 #include "ui/gfx/codec/png_codec.h" | |
| 21 #endif | |
| 22 | |
| 23 #if defined(OS_IOS) | |
| 24 #include "base/mac/foundation_util.h" | |
| 25 #include "ui/gfx/image/image_skia_util_ios.h" | |
| 26 #elif defined(OS_MACOSX) | |
| 27 #include "base/mac/mac_util.h" | |
| 28 #include "ui/gfx/image/image_skia_util_mac.h" | |
| 29 #endif | |
| 30 | |
| 31 namespace gfx { | |
| 32 | |
| 33 namespace internal { | |
| 34 | |
| 35 #if defined(OS_IOS) | |
| 36 scoped_refptr<base::RefCountedMemory> Get1xPNGBytesFromUIImage( | |
| 37 UIImage* uiimage); | |
| 38 // Caller takes ownership of the returned UIImage. | |
| 39 UIImage* CreateUIImageFromPNG( | |
| 40 const std::vector<ImagePNGRep>& image_png_reps); | |
| 41 gfx::Size UIImageSize(UIImage* image); | |
| 42 #elif defined(OS_MACOSX) | |
| 43 scoped_refptr<base::RefCountedMemory> Get1xPNGBytesFromNSImage( | |
| 44 NSImage* nsimage); | |
| 45 // Caller takes ownership of the returned NSImage. | |
| 46 NSImage* NSImageFromPNG(const std::vector<ImagePNGRep>& image_png_reps, | |
| 47 CGColorSpaceRef color_space); | |
| 48 gfx::Size NSImageSize(NSImage* image); | |
| 49 #endif // defined(OS_MACOSX) | |
| 50 | |
| 51 #if defined(OS_IOS) | |
| 52 ImageSkia* ImageSkiaFromPNG( | |
| 53 const std::vector<ImagePNGRep>& image_png_reps); | |
| 54 scoped_refptr<base::RefCountedMemory> Get1xPNGBytesFromImageSkia( | |
| 55 const ImageSkia* skia); | |
| 56 #else | |
| 57 // Returns a 16x16 red image to visually show error in decoding PNG. | |
| 58 // Caller takes ownership of returned ImageSkia. | |
| 59 ImageSkia* GetErrorImageSkia() { | |
| 60 SkBitmap bitmap; | |
| 61 bitmap.allocN32Pixels(16, 16); | |
| 62 bitmap.eraseARGB(0xff, 0xff, 0, 0); | |
| 63 return new ImageSkia(ImageSkiaRep(bitmap, 1.0f)); | |
| 64 } | |
| 65 | |
| 66 class PNGImageSource : public ImageSkiaSource { | |
| 67 public: | |
| 68 PNGImageSource() {} | |
| 69 ~PNGImageSource() override {} | |
| 70 | |
| 71 ImageSkiaRep GetImageForScale(float scale) override { | |
| 72 if (image_skia_reps_.empty()) | |
| 73 return ImageSkiaRep(); | |
| 74 | |
| 75 const ImageSkiaRep* rep = NULL; | |
| 76 // gfx::ImageSkia passes one of the resource scale factors. The source | |
| 77 // should return: | |
| 78 // 1) The ImageSkiaRep with the highest scale if all available | |
| 79 // scales are smaller than |scale|. | |
| 80 // 2) The ImageSkiaRep with the smallest one that is larger than |scale|. | |
| 81 for (ImageSkiaRepSet::const_iterator iter = image_skia_reps_.begin(); | |
| 82 iter != image_skia_reps_.end(); ++iter) { | |
| 83 if ((*iter).scale() == scale) | |
| 84 return (*iter); | |
| 85 if (!rep || rep->scale() < (*iter).scale()) | |
| 86 rep = &(*iter); | |
| 87 if (rep->scale() >= scale) | |
| 88 break; | |
| 89 } | |
| 90 return rep ? *rep : ImageSkiaRep(); | |
| 91 } | |
| 92 | |
| 93 const gfx::Size size() const { | |
| 94 return size_; | |
| 95 } | |
| 96 | |
| 97 bool AddPNGData(const ImagePNGRep& png_rep) { | |
| 98 const gfx::ImageSkiaRep rep = ToImageSkiaRep(png_rep); | |
| 99 if (rep.is_null()) | |
| 100 return false; | |
| 101 if (size_.IsEmpty()) | |
| 102 size_ = gfx::Size(rep.GetWidth(), rep.GetHeight()); | |
| 103 image_skia_reps_.insert(rep); | |
| 104 return true; | |
| 105 } | |
| 106 | |
| 107 static ImageSkiaRep ToImageSkiaRep(const ImagePNGRep& png_rep) { | |
| 108 scoped_refptr<base::RefCountedMemory> raw_data = png_rep.raw_data; | |
| 109 CHECK(raw_data.get()); | |
| 110 SkBitmap bitmap; | |
| 111 if (!PNGCodec::Decode(raw_data->front(), raw_data->size(), | |
| 112 &bitmap)) { | |
| 113 LOG(ERROR) << "Unable to decode PNG for " << png_rep.scale << "."; | |
| 114 return ImageSkiaRep(); | |
| 115 } | |
| 116 return ImageSkiaRep(bitmap, png_rep.scale); | |
| 117 } | |
| 118 | |
| 119 private: | |
| 120 struct Compare { | |
| 121 bool operator()(const ImageSkiaRep& rep1, const ImageSkiaRep& rep2) { | |
| 122 return rep1.scale() < rep2.scale(); | |
| 123 } | |
| 124 }; | |
| 125 | |
| 126 typedef std::set<ImageSkiaRep, Compare> ImageSkiaRepSet; | |
| 127 ImageSkiaRepSet image_skia_reps_; | |
| 128 gfx::Size size_; | |
| 129 | |
| 130 DISALLOW_COPY_AND_ASSIGN(PNGImageSource); | |
| 131 }; | |
| 132 | |
| 133 ImageSkia* ImageSkiaFromPNG( | |
| 134 const std::vector<ImagePNGRep>& image_png_reps) { | |
| 135 if (image_png_reps.empty()) | |
| 136 return GetErrorImageSkia(); | |
| 137 scoped_ptr<PNGImageSource> image_source(new PNGImageSource); | |
| 138 | |
| 139 for (size_t i = 0; i < image_png_reps.size(); ++i) { | |
| 140 if (!image_source->AddPNGData(image_png_reps[i])) | |
| 141 return GetErrorImageSkia(); | |
| 142 } | |
| 143 const gfx::Size& size = image_source->size(); | |
| 144 DCHECK(!size.IsEmpty()); | |
| 145 if (size.IsEmpty()) | |
| 146 return GetErrorImageSkia(); | |
| 147 return new ImageSkia(image_source.release(), size); | |
| 148 } | |
| 149 | |
| 150 scoped_refptr<base::RefCountedMemory> Get1xPNGBytesFromImageSkia( | |
| 151 const ImageSkia* image_skia) { | |
| 152 ImageSkiaRep image_skia_rep = image_skia->GetRepresentation(1.0f); | |
| 153 | |
| 154 scoped_refptr<base::RefCountedBytes> png_bytes(new base::RefCountedBytes()); | |
| 155 if (image_skia_rep.scale() != 1.0f || | |
| 156 !PNGCodec::EncodeBGRASkBitmap(image_skia_rep.sk_bitmap(), false, | |
| 157 &png_bytes->data())) { | |
| 158 return NULL; | |
| 159 } | |
| 160 return png_bytes; | |
| 161 } | |
| 162 #endif | |
| 163 | |
| 164 class ImageRepPNG; | |
| 165 class ImageRepSkia; | |
| 166 class ImageRepCocoa; | |
| 167 class ImageRepCocoaTouch; | |
| 168 | |
| 169 // An ImageRep is the object that holds the backing memory for an Image. Each | |
| 170 // RepresentationType has an ImageRep subclass that is responsible for freeing | |
| 171 // the memory that the ImageRep holds. When an ImageRep is created, it expects | |
| 172 // to take ownership of the image, without having to retain it or increase its | |
| 173 // reference count. | |
| 174 class ImageRep { | |
| 175 public: | |
| 176 explicit ImageRep(Image::RepresentationType rep) : type_(rep) {} | |
| 177 | |
| 178 // Deletes the associated pixels of an ImageRep. | |
| 179 virtual ~ImageRep() {} | |
| 180 | |
| 181 // Cast helpers ("fake RTTI"). | |
| 182 ImageRepPNG* AsImageRepPNG() { | |
| 183 CHECK_EQ(type_, Image::kImageRepPNG); | |
| 184 return reinterpret_cast<ImageRepPNG*>(this); | |
| 185 } | |
| 186 | |
| 187 ImageRepSkia* AsImageRepSkia() { | |
| 188 CHECK_EQ(type_, Image::kImageRepSkia); | |
| 189 return reinterpret_cast<ImageRepSkia*>(this); | |
| 190 } | |
| 191 | |
| 192 #if defined(OS_IOS) | |
| 193 ImageRepCocoaTouch* AsImageRepCocoaTouch() { | |
| 194 CHECK_EQ(type_, Image::kImageRepCocoaTouch); | |
| 195 return reinterpret_cast<ImageRepCocoaTouch*>(this); | |
| 196 } | |
| 197 #elif defined(OS_MACOSX) | |
| 198 ImageRepCocoa* AsImageRepCocoa() { | |
| 199 CHECK_EQ(type_, Image::kImageRepCocoa); | |
| 200 return reinterpret_cast<ImageRepCocoa*>(this); | |
| 201 } | |
| 202 #endif | |
| 203 | |
| 204 Image::RepresentationType type() const { return type_; } | |
| 205 | |
| 206 virtual int Width() const = 0; | |
| 207 virtual int Height() const = 0; | |
| 208 virtual gfx::Size Size() const = 0; | |
| 209 | |
| 210 private: | |
| 211 Image::RepresentationType type_; | |
| 212 }; | |
| 213 | |
| 214 class ImageRepPNG : public ImageRep { | |
| 215 public: | |
| 216 ImageRepPNG() : ImageRep(Image::kImageRepPNG) { | |
| 217 } | |
| 218 | |
| 219 ImageRepPNG(const std::vector<ImagePNGRep>& image_png_reps) | |
| 220 : ImageRep(Image::kImageRepPNG), | |
| 221 image_png_reps_(image_png_reps) { | |
| 222 } | |
| 223 | |
| 224 ~ImageRepPNG() override {} | |
| 225 | |
| 226 int Width() const override { return Size().width(); } | |
| 227 | |
| 228 int Height() const override { return Size().height(); } | |
| 229 | |
| 230 gfx::Size Size() const override { | |
| 231 // Read the PNG data to get the image size, caching it. | |
| 232 if (!size_cache_) { | |
| 233 for (std::vector<ImagePNGRep>::const_iterator it = image_reps().begin(); | |
| 234 it != image_reps().end(); ++it) { | |
| 235 if (it->scale == 1.0f) { | |
| 236 size_cache_.reset(new gfx::Size(it->Size())); | |
| 237 return *size_cache_; | |
| 238 } | |
| 239 } | |
| 240 size_cache_.reset(new gfx::Size); | |
| 241 } | |
| 242 | |
| 243 return *size_cache_; | |
| 244 } | |
| 245 | |
| 246 const std::vector<ImagePNGRep>& image_reps() const { return image_png_reps_; } | |
| 247 | |
| 248 private: | |
| 249 std::vector<ImagePNGRep> image_png_reps_; | |
| 250 | |
| 251 // Cached to avoid having to parse the raw data multiple times. | |
| 252 mutable scoped_ptr<gfx::Size> size_cache_; | |
| 253 | |
| 254 DISALLOW_COPY_AND_ASSIGN(ImageRepPNG); | |
| 255 }; | |
| 256 | |
| 257 class ImageRepSkia : public ImageRep { | |
| 258 public: | |
| 259 // Takes ownership of |image|. | |
| 260 explicit ImageRepSkia(ImageSkia* image) | |
| 261 : ImageRep(Image::kImageRepSkia), | |
| 262 image_(image) { | |
| 263 } | |
| 264 | |
| 265 ~ImageRepSkia() override {} | |
| 266 | |
| 267 int Width() const override { return image_->width(); } | |
| 268 | |
| 269 int Height() const override { return image_->height(); } | |
| 270 | |
| 271 gfx::Size Size() const override { return image_->size(); } | |
| 272 | |
| 273 ImageSkia* image() { return image_.get(); } | |
| 274 | |
| 275 private: | |
| 276 scoped_ptr<ImageSkia> image_; | |
| 277 | |
| 278 DISALLOW_COPY_AND_ASSIGN(ImageRepSkia); | |
| 279 }; | |
| 280 | |
| 281 #if defined(OS_IOS) | |
| 282 class ImageRepCocoaTouch : public ImageRep { | |
| 283 public: | |
| 284 explicit ImageRepCocoaTouch(UIImage* image) | |
| 285 : ImageRep(Image::kImageRepCocoaTouch), | |
| 286 image_(image) { | |
| 287 CHECK(image); | |
| 288 } | |
| 289 | |
| 290 virtual ~ImageRepCocoaTouch() { | |
| 291 base::mac::NSObjectRelease(image_); | |
| 292 image_ = nil; | |
| 293 } | |
| 294 | |
| 295 virtual int Width() const override { | |
| 296 return Size().width(); | |
| 297 } | |
| 298 | |
| 299 virtual int Height() const override { | |
| 300 return Size().height(); | |
| 301 } | |
| 302 | |
| 303 virtual gfx::Size Size() const override { | |
| 304 return internal::UIImageSize(image_); | |
| 305 } | |
| 306 | |
| 307 UIImage* image() const { return image_; } | |
| 308 | |
| 309 private: | |
| 310 UIImage* image_; | |
| 311 | |
| 312 DISALLOW_COPY_AND_ASSIGN(ImageRepCocoaTouch); | |
| 313 }; | |
| 314 #elif defined(OS_MACOSX) | |
| 315 class ImageRepCocoa : public ImageRep { | |
| 316 public: | |
| 317 explicit ImageRepCocoa(NSImage* image) | |
| 318 : ImageRep(Image::kImageRepCocoa), | |
| 319 image_(image) { | |
| 320 CHECK(image); | |
| 321 } | |
| 322 | |
| 323 ~ImageRepCocoa() override { | |
| 324 base::mac::NSObjectRelease(image_); | |
| 325 image_ = nil; | |
| 326 } | |
| 327 | |
| 328 int Width() const override { return Size().width(); } | |
| 329 | |
| 330 int Height() const override { return Size().height(); } | |
| 331 | |
| 332 gfx::Size Size() const override { return internal::NSImageSize(image_); } | |
| 333 | |
| 334 NSImage* image() const { return image_; } | |
| 335 | |
| 336 private: | |
| 337 NSImage* image_; | |
| 338 | |
| 339 DISALLOW_COPY_AND_ASSIGN(ImageRepCocoa); | |
| 340 }; | |
| 341 #endif // defined(OS_MACOSX) | |
| 342 | |
| 343 // The Storage class acts similarly to the pixels in a SkBitmap: the Image | |
| 344 // class holds a refptr instance of Storage, which in turn holds all the | |
| 345 // ImageReps. This way, the Image can be cheaply copied. | |
| 346 class ImageStorage : public base::RefCounted<ImageStorage> { | |
| 347 public: | |
| 348 ImageStorage(Image::RepresentationType default_type) | |
| 349 : default_representation_type_(default_type), | |
| 350 #if defined(OS_MACOSX) && !defined(OS_IOS) | |
| 351 default_representation_color_space_( | |
| 352 base::mac::GetGenericRGBColorSpace()), | |
| 353 #endif // defined(OS_MACOSX) && !defined(OS_IOS) | |
| 354 representations_deleter_(&representations_) { | |
| 355 } | |
| 356 | |
| 357 Image::RepresentationType default_representation_type() { | |
| 358 return default_representation_type_; | |
| 359 } | |
| 360 Image::RepresentationMap& representations() { return representations_; } | |
| 361 | |
| 362 #if defined(OS_MACOSX) && !defined(OS_IOS) | |
| 363 void set_default_representation_color_space(CGColorSpaceRef color_space) { | |
| 364 default_representation_color_space_ = color_space; | |
| 365 } | |
| 366 CGColorSpaceRef default_representation_color_space() { | |
| 367 return default_representation_color_space_; | |
| 368 } | |
| 369 #endif // defined(OS_MACOSX) && !defined(OS_IOS) | |
| 370 | |
| 371 private: | |
| 372 friend class base::RefCounted<ImageStorage>; | |
| 373 | |
| 374 ~ImageStorage() {} | |
| 375 | |
| 376 // The type of image that was passed to the constructor. This key will always | |
| 377 // exist in the |representations_| map. | |
| 378 Image::RepresentationType default_representation_type_; | |
| 379 | |
| 380 #if defined(OS_MACOSX) && !defined(OS_IOS) | |
| 381 // The default representation's colorspace. This is used for converting to | |
| 382 // NSImage. This field exists to compensate for PNGCodec not writing or | |
| 383 // reading colorspace ancillary chunks. (sRGB, iCCP). | |
| 384 // Not owned. | |
| 385 CGColorSpaceRef default_representation_color_space_; | |
| 386 #endif // defined(OS_MACOSX) && !defined(OS_IOS) | |
| 387 | |
| 388 // All the representations of an Image. Size will always be at least one, with | |
| 389 // more for any converted representations. | |
| 390 Image::RepresentationMap representations_; | |
| 391 | |
| 392 STLValueDeleter<Image::RepresentationMap> representations_deleter_; | |
| 393 | |
| 394 DISALLOW_COPY_AND_ASSIGN(ImageStorage); | |
| 395 }; | |
| 396 | |
| 397 } // namespace internal | |
| 398 | |
| 399 Image::Image() { | |
| 400 // |storage_| is NULL for empty Images. | |
| 401 } | |
| 402 | |
| 403 Image::Image(const std::vector<ImagePNGRep>& image_reps) { | |
| 404 // Do not store obviously invalid ImagePNGReps. | |
| 405 std::vector<ImagePNGRep> filtered; | |
| 406 for (size_t i = 0; i < image_reps.size(); ++i) { | |
| 407 if (image_reps[i].raw_data.get() && image_reps[i].raw_data->size()) | |
| 408 filtered.push_back(image_reps[i]); | |
| 409 } | |
| 410 | |
| 411 if (filtered.empty()) | |
| 412 return; | |
| 413 | |
| 414 storage_ = new internal::ImageStorage(Image::kImageRepPNG); | |
| 415 internal::ImageRepPNG* rep = new internal::ImageRepPNG(filtered); | |
| 416 AddRepresentation(rep); | |
| 417 } | |
| 418 | |
| 419 Image::Image(const ImageSkia& image) { | |
| 420 if (!image.isNull()) { | |
| 421 storage_ = new internal::ImageStorage(Image::kImageRepSkia); | |
| 422 internal::ImageRepSkia* rep = new internal::ImageRepSkia( | |
| 423 new ImageSkia(image)); | |
| 424 AddRepresentation(rep); | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 #if defined(OS_IOS) | |
| 429 Image::Image(UIImage* image) | |
| 430 : storage_(new internal::ImageStorage(Image::kImageRepCocoaTouch)) { | |
| 431 if (image) { | |
| 432 internal::ImageRepCocoaTouch* rep = new internal::ImageRepCocoaTouch(image); | |
| 433 AddRepresentation(rep); | |
| 434 } | |
| 435 } | |
| 436 #elif defined(OS_MACOSX) | |
| 437 Image::Image(NSImage* image) { | |
| 438 if (image) { | |
| 439 storage_ = new internal::ImageStorage(Image::kImageRepCocoa); | |
| 440 internal::ImageRepCocoa* rep = new internal::ImageRepCocoa(image); | |
| 441 AddRepresentation(rep); | |
| 442 } | |
| 443 } | |
| 444 #endif | |
| 445 | |
| 446 Image::Image(const Image& other) : storage_(other.storage_) { | |
| 447 } | |
| 448 | |
| 449 Image& Image::operator=(const Image& other) { | |
| 450 storage_ = other.storage_; | |
| 451 return *this; | |
| 452 } | |
| 453 | |
| 454 Image::~Image() { | |
| 455 } | |
| 456 | |
| 457 // static | |
| 458 Image Image::CreateFrom1xBitmap(const SkBitmap& bitmap) { | |
| 459 return Image(ImageSkia::CreateFrom1xBitmap(bitmap)); | |
| 460 } | |
| 461 | |
| 462 // static | |
| 463 Image Image::CreateFrom1xPNGBytes(const unsigned char* input, | |
| 464 size_t input_size) { | |
| 465 if (input_size == 0u) | |
| 466 return Image(); | |
| 467 | |
| 468 scoped_refptr<base::RefCountedBytes> raw_data(new base::RefCountedBytes()); | |
| 469 raw_data->data().assign(input, input + input_size); | |
| 470 | |
| 471 return CreateFrom1xPNGBytes(raw_data); | |
| 472 } | |
| 473 | |
| 474 Image Image::CreateFrom1xPNGBytes( | |
| 475 const scoped_refptr<base::RefCountedMemory>& input) { | |
| 476 if (!input.get() || input->size() == 0u) | |
| 477 return Image(); | |
| 478 | |
| 479 std::vector<ImagePNGRep> image_reps; | |
| 480 image_reps.push_back(ImagePNGRep(input, 1.0f)); | |
| 481 return Image(image_reps); | |
| 482 } | |
| 483 | |
| 484 const SkBitmap* Image::ToSkBitmap() const { | |
| 485 // Possibly create and cache an intermediate ImageRepSkia. | |
| 486 return ToImageSkia()->bitmap(); | |
| 487 } | |
| 488 | |
| 489 const ImageSkia* Image::ToImageSkia() const { | |
| 490 internal::ImageRep* rep = GetRepresentation(kImageRepSkia, false); | |
| 491 if (!rep) { | |
| 492 switch (DefaultRepresentationType()) { | |
| 493 case kImageRepPNG: { | |
| 494 internal::ImageRepPNG* png_rep = | |
| 495 GetRepresentation(kImageRepPNG, true)->AsImageRepPNG(); | |
| 496 rep = new internal::ImageRepSkia( | |
| 497 internal::ImageSkiaFromPNG(png_rep->image_reps())); | |
| 498 break; | |
| 499 } | |
| 500 #if defined(OS_IOS) | |
| 501 case kImageRepCocoaTouch: { | |
| 502 internal::ImageRepCocoaTouch* native_rep = | |
| 503 GetRepresentation(kImageRepCocoaTouch, true) | |
| 504 ->AsImageRepCocoaTouch(); | |
| 505 rep = new internal::ImageRepSkia(new ImageSkia( | |
| 506 ImageSkiaFromUIImage(native_rep->image()))); | |
| 507 break; | |
| 508 } | |
| 509 #elif defined(OS_MACOSX) | |
| 510 case kImageRepCocoa: { | |
| 511 internal::ImageRepCocoa* native_rep = | |
| 512 GetRepresentation(kImageRepCocoa, true)->AsImageRepCocoa(); | |
| 513 rep = new internal::ImageRepSkia(new ImageSkia( | |
| 514 ImageSkiaFromNSImage(native_rep->image()))); | |
| 515 break; | |
| 516 } | |
| 517 #endif | |
| 518 default: | |
| 519 NOTREACHED(); | |
| 520 } | |
| 521 CHECK(rep); | |
| 522 AddRepresentation(rep); | |
| 523 } | |
| 524 return rep->AsImageRepSkia()->image(); | |
| 525 } | |
| 526 | |
| 527 #if defined(OS_IOS) | |
| 528 UIImage* Image::ToUIImage() const { | |
| 529 internal::ImageRep* rep = GetRepresentation(kImageRepCocoaTouch, false); | |
| 530 if (!rep) { | |
| 531 switch (DefaultRepresentationType()) { | |
| 532 case kImageRepPNG: { | |
| 533 internal::ImageRepPNG* png_rep = | |
| 534 GetRepresentation(kImageRepPNG, true)->AsImageRepPNG(); | |
| 535 rep = new internal::ImageRepCocoaTouch(internal::CreateUIImageFromPNG( | |
| 536 png_rep->image_reps())); | |
| 537 break; | |
| 538 } | |
| 539 case kImageRepSkia: { | |
| 540 internal::ImageRepSkia* skia_rep = | |
| 541 GetRepresentation(kImageRepSkia, true)->AsImageRepSkia(); | |
| 542 UIImage* image = UIImageFromImageSkia(*skia_rep->image()); | |
| 543 base::mac::NSObjectRetain(image); | |
| 544 rep = new internal::ImageRepCocoaTouch(image); | |
| 545 break; | |
| 546 } | |
| 547 default: | |
| 548 NOTREACHED(); | |
| 549 } | |
| 550 CHECK(rep); | |
| 551 AddRepresentation(rep); | |
| 552 } | |
| 553 return rep->AsImageRepCocoaTouch()->image(); | |
| 554 } | |
| 555 #elif defined(OS_MACOSX) | |
| 556 NSImage* Image::ToNSImage() const { | |
| 557 internal::ImageRep* rep = GetRepresentation(kImageRepCocoa, false); | |
| 558 if (!rep) { | |
| 559 CGColorSpaceRef default_representation_color_space = | |
| 560 storage_->default_representation_color_space(); | |
| 561 | |
| 562 switch (DefaultRepresentationType()) { | |
| 563 case kImageRepPNG: { | |
| 564 internal::ImageRepPNG* png_rep = | |
| 565 GetRepresentation(kImageRepPNG, true)->AsImageRepPNG(); | |
| 566 rep = new internal::ImageRepCocoa(internal::NSImageFromPNG( | |
| 567 png_rep->image_reps(), default_representation_color_space)); | |
| 568 break; | |
| 569 } | |
| 570 case kImageRepSkia: { | |
| 571 internal::ImageRepSkia* skia_rep = | |
| 572 GetRepresentation(kImageRepSkia, true)->AsImageRepSkia(); | |
| 573 NSImage* image = NSImageFromImageSkiaWithColorSpace(*skia_rep->image(), | |
| 574 default_representation_color_space); | |
| 575 base::mac::NSObjectRetain(image); | |
| 576 rep = new internal::ImageRepCocoa(image); | |
| 577 break; | |
| 578 } | |
| 579 default: | |
| 580 NOTREACHED(); | |
| 581 } | |
| 582 CHECK(rep); | |
| 583 AddRepresentation(rep); | |
| 584 } | |
| 585 return rep->AsImageRepCocoa()->image(); | |
| 586 } | |
| 587 #endif | |
| 588 | |
| 589 scoped_refptr<base::RefCountedMemory> Image::As1xPNGBytes() const { | |
| 590 if (IsEmpty()) | |
| 591 return new base::RefCountedBytes(); | |
| 592 | |
| 593 internal::ImageRep* rep = GetRepresentation(kImageRepPNG, false); | |
| 594 | |
| 595 if (rep) { | |
| 596 const std::vector<ImagePNGRep>& image_png_reps = | |
| 597 rep->AsImageRepPNG()->image_reps(); | |
| 598 for (size_t i = 0; i < image_png_reps.size(); ++i) { | |
| 599 if (image_png_reps[i].scale == 1.0f) | |
| 600 return image_png_reps[i].raw_data; | |
| 601 } | |
| 602 return new base::RefCountedBytes(); | |
| 603 } | |
| 604 | |
| 605 scoped_refptr<base::RefCountedMemory> png_bytes(NULL); | |
| 606 switch (DefaultRepresentationType()) { | |
| 607 #if defined(OS_IOS) | |
| 608 case kImageRepCocoaTouch: { | |
| 609 internal::ImageRepCocoaTouch* cocoa_touch_rep = | |
| 610 GetRepresentation(kImageRepCocoaTouch, true) | |
| 611 ->AsImageRepCocoaTouch(); | |
| 612 png_bytes = internal::Get1xPNGBytesFromUIImage( | |
| 613 cocoa_touch_rep->image()); | |
| 614 break; | |
| 615 } | |
| 616 #elif defined(OS_MACOSX) | |
| 617 case kImageRepCocoa: { | |
| 618 internal::ImageRepCocoa* cocoa_rep = | |
| 619 GetRepresentation(kImageRepCocoa, true)->AsImageRepCocoa(); | |
| 620 png_bytes = internal::Get1xPNGBytesFromNSImage(cocoa_rep->image()); | |
| 621 break; | |
| 622 } | |
| 623 #endif | |
| 624 case kImageRepSkia: { | |
| 625 internal::ImageRepSkia* skia_rep = | |
| 626 GetRepresentation(kImageRepSkia, true)->AsImageRepSkia(); | |
| 627 png_bytes = internal::Get1xPNGBytesFromImageSkia(skia_rep->image()); | |
| 628 break; | |
| 629 } | |
| 630 default: | |
| 631 NOTREACHED(); | |
| 632 } | |
| 633 if (!png_bytes.get() || !png_bytes->size()) { | |
| 634 // Add an ImageRepPNG with no data such that the conversion is not | |
| 635 // attempted each time we want the PNG bytes. | |
| 636 AddRepresentation(new internal::ImageRepPNG()); | |
| 637 return new base::RefCountedBytes(); | |
| 638 } | |
| 639 | |
| 640 // Do not insert representations for scale factors other than 1x even if | |
| 641 // they are available because: | |
| 642 // - Only the 1x PNG bytes can be accessed. | |
| 643 // - ImageRepPNG is not used as an intermediate type in converting to a | |
| 644 // final type eg (converting from ImageRepSkia to ImageRepPNG to get an | |
| 645 // ImageRepCocoa). | |
| 646 std::vector<ImagePNGRep> image_png_reps; | |
| 647 image_png_reps.push_back(ImagePNGRep(png_bytes, 1.0f)); | |
| 648 rep = new internal::ImageRepPNG(image_png_reps); | |
| 649 AddRepresentation(rep); | |
| 650 return png_bytes; | |
| 651 } | |
| 652 | |
| 653 SkBitmap Image::AsBitmap() const { | |
| 654 return IsEmpty() ? SkBitmap() : *ToSkBitmap(); | |
| 655 } | |
| 656 | |
| 657 ImageSkia Image::AsImageSkia() const { | |
| 658 return IsEmpty() ? ImageSkia() : *ToImageSkia(); | |
| 659 } | |
| 660 | |
| 661 #if defined(OS_MACOSX) && !defined(OS_IOS) | |
| 662 NSImage* Image::AsNSImage() const { | |
| 663 return IsEmpty() ? nil : ToNSImage(); | |
| 664 } | |
| 665 #endif | |
| 666 | |
| 667 scoped_refptr<base::RefCountedMemory> Image::Copy1xPNGBytes() const { | |
| 668 scoped_refptr<base::RefCountedMemory> original = As1xPNGBytes(); | |
| 669 scoped_refptr<base::RefCountedBytes> copy(new base::RefCountedBytes()); | |
| 670 copy->data().assign(original->front(), original->front() + original->size()); | |
| 671 return copy; | |
| 672 } | |
| 673 | |
| 674 ImageSkia* Image::CopyImageSkia() const { | |
| 675 return new ImageSkia(*ToImageSkia()); | |
| 676 } | |
| 677 | |
| 678 SkBitmap* Image::CopySkBitmap() const { | |
| 679 return new SkBitmap(*ToSkBitmap()); | |
| 680 } | |
| 681 | |
| 682 #if defined(OS_IOS) | |
| 683 UIImage* Image::CopyUIImage() const { | |
| 684 UIImage* image = ToUIImage(); | |
| 685 base::mac::NSObjectRetain(image); | |
| 686 return image; | |
| 687 } | |
| 688 #elif defined(OS_MACOSX) | |
| 689 NSImage* Image::CopyNSImage() const { | |
| 690 NSImage* image = ToNSImage(); | |
| 691 base::mac::NSObjectRetain(image); | |
| 692 return image; | |
| 693 } | |
| 694 #endif | |
| 695 | |
| 696 bool Image::HasRepresentation(RepresentationType type) const { | |
| 697 return storage_.get() && storage_->representations().count(type) != 0; | |
| 698 } | |
| 699 | |
| 700 size_t Image::RepresentationCount() const { | |
| 701 if (!storage_.get()) | |
| 702 return 0; | |
| 703 | |
| 704 return storage_->representations().size(); | |
| 705 } | |
| 706 | |
| 707 bool Image::IsEmpty() const { | |
| 708 return RepresentationCount() == 0; | |
| 709 } | |
| 710 | |
| 711 int Image::Width() const { | |
| 712 if (IsEmpty()) | |
| 713 return 0; | |
| 714 return GetRepresentation(DefaultRepresentationType(), true)->Width(); | |
| 715 } | |
| 716 | |
| 717 int Image::Height() const { | |
| 718 if (IsEmpty()) | |
| 719 return 0; | |
| 720 return GetRepresentation(DefaultRepresentationType(), true)->Height(); | |
| 721 } | |
| 722 | |
| 723 gfx::Size Image::Size() const { | |
| 724 if (IsEmpty()) | |
| 725 return gfx::Size(); | |
| 726 return GetRepresentation(DefaultRepresentationType(), true)->Size(); | |
| 727 } | |
| 728 | |
| 729 void Image::SwapRepresentations(Image* other) { | |
| 730 storage_.swap(other->storage_); | |
| 731 } | |
| 732 | |
| 733 #if defined(OS_MACOSX) && !defined(OS_IOS) | |
| 734 void Image::SetSourceColorSpace(CGColorSpaceRef color_space) { | |
| 735 if (storage_.get()) | |
| 736 storage_->set_default_representation_color_space(color_space); | |
| 737 } | |
| 738 #endif // defined(OS_MACOSX) && !defined(OS_IOS) | |
| 739 | |
| 740 Image::RepresentationType Image::DefaultRepresentationType() const { | |
| 741 CHECK(storage_.get()); | |
| 742 return storage_->default_representation_type(); | |
| 743 } | |
| 744 | |
| 745 internal::ImageRep* Image::GetRepresentation( | |
| 746 RepresentationType rep_type, bool must_exist) const { | |
| 747 CHECK(storage_.get()); | |
| 748 RepresentationMap::iterator it = storage_->representations().find(rep_type); | |
| 749 if (it == storage_->representations().end()) { | |
| 750 CHECK(!must_exist); | |
| 751 return NULL; | |
| 752 } | |
| 753 return it->second; | |
| 754 } | |
| 755 | |
| 756 void Image::AddRepresentation(internal::ImageRep* rep) const { | |
| 757 CHECK(storage_.get()); | |
| 758 storage_->representations().insert(std::make_pair(rep->type(), rep)); | |
| 759 } | |
| 760 | |
| 761 } // namespace gfx | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 854713003:
More old files deletion. (Closed)
Base URL: https://github.com/domokit/mojo.git@master