Index: ui/gfx/image/image_skia.h |
diff --git a/ui/gfx/image/image_skia.h b/ui/gfx/image/image_skia.h |
deleted file mode 100644 |
index fa5d070ad9bdc31e17f10371dfb9d4c2dd7bb052..0000000000000000000000000000000000000000 |
--- a/ui/gfx/image/image_skia.h |
+++ /dev/null |
@@ -1,175 +0,0 @@ |
-// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef UI_GFX_IMAGE_IMAGE_SKIA_H_ |
-#define UI_GFX_IMAGE_IMAGE_SKIA_H_ |
- |
-#include <vector> |
- |
-#include "base/basictypes.h" |
-#include "base/gtest_prod_util.h" |
-#include "base/memory/ref_counted.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "ui/gfx/gfx_export.h" |
-#include "ui/gfx/image/image_skia_rep.h" |
- |
-namespace gfx { |
-class ImageSkiaSource; |
-class Size; |
- |
-namespace internal { |
-class ImageSkiaStorage; |
-} // namespace internal |
- |
-namespace test { |
-class TestOnThread; |
-} |
- |
-// Container for the same image at different densities, similar to NSImage. |
-// Image height and width are in DIP (Density Indepent Pixel) coordinates. |
-// |
-// ImageSkia should be used whenever possible instead of SkBitmap. |
-// Functions that mutate the image should operate on the gfx::ImageSkiaRep |
-// returned from ImageSkia::GetRepresentation, not on ImageSkia. |
-// |
-// ImageSkia is cheap to copy and intentionally supports copy semantics. |
-class GFX_EXPORT ImageSkia { |
- public: |
- typedef std::vector<ImageSkiaRep> ImageSkiaReps; |
- |
- // Creates an instance with no bitmaps. |
- ImageSkia(); |
- |
- // Creates an instance that will use the |source| to get the image |
- // for scale factors. |size| specifes the size of the image in DIP. |
- // ImageSkia owns |source|. |
- ImageSkia(ImageSkiaSource* source, const gfx::Size& size); |
- |
- // Creates an instance that uses the |source|. The constructor loads the image |
- // at |scale| and uses its dimensions to calculate the size in DIP. ImageSkia |
- // owns |source|. |
- ImageSkia(ImageSkiaSource* source, float scale); |
- |
- explicit ImageSkia(const gfx::ImageSkiaRep& image_rep); |
- |
- // Copies a reference to |other|'s storage. |
- ImageSkia(const ImageSkia& other); |
- |
- // Copies a reference to |other|'s storage. |
- ImageSkia& operator=(const ImageSkia& other); |
- |
- ~ImageSkia(); |
- |
- // Changes the value of GetSupportedScales() to |scales|. |
- static void SetSupportedScales(const std::vector<float>& scales); |
- |
- // Returns a vector with the scale factors which are supported by this |
- // platform, in ascending order. |
- static const std::vector<float>& GetSupportedScales(); |
- |
- // Returns the maximum scale supported by this platform. |
- static float GetMaxSupportedScale(); |
- |
- // Creates an image from the passed in bitmap. |
- // DIP width and height are based on scale factor of 1x. |
- // Adds ref to passed in bitmap. |
- // WARNING: The resulting image will be pixelated when painted on a high |
- // density display. |
- static ImageSkia CreateFrom1xBitmap(const SkBitmap& bitmap); |
- |
- // Returns a deep copy of this ImageSkia which has its own storage with |
- // the ImageSkiaRep instances that this ImageSkia currently has. |
- // This can be safely passed to and manipulated by another thread. |
- // Note that this does NOT generate ImageSkiaReps from its source. |
- // If you want to create a deep copy with ImageSkiaReps for supported |
- // scale factors, you need to explicitly call |
- // |EnsureRepsForSupportedScales()| first. |
- scoped_ptr<ImageSkia> DeepCopy() const; |
- |
- // Returns true if this object is backed by the same ImageSkiaStorage as |
- // |other|. Will also return true if both images are isNull(). |
- bool BackedBySameObjectAs(const gfx::ImageSkia& other) const; |
- |
- // Adds |image_rep| to the image reps contained by this object. |
- void AddRepresentation(const gfx::ImageSkiaRep& image_rep); |
- |
- // Removes the image rep of |scale| if present. |
- void RemoveRepresentation(float scale); |
- |
- // Returns true if the object owns an image rep whose density matches |
- // |scale| exactly. |
- bool HasRepresentation(float scale) const; |
- |
- // Returns the image rep whose density best matches |scale|. |
- // Returns a null image rep if the object contains no image reps. |
- const gfx::ImageSkiaRep& GetRepresentation(float scale) const; |
- |
- // Make the ImageSkia instance read-only. Note that this only prevent |
- // modification from client code, and the storage may still be |
- // modified by the source if any (thus, it's not thread safe). This |
- // detaches the storage from currently accessing thread, so its safe |
- // to pass it to other thread as long as it is accessed only by that |
- // thread. If this ImageSkia's storage will be accessed by multiple |
- // threads, use |MakeThreadSafe()| method. |
- void SetReadOnly(); |
- |
- // Make the image thread safe by making the storage read only and remove |
- // its source if any. All ImageSkia that shares the same storage will also |
- // become thread safe. Note that in order to make it 100% thread safe, |
- // this must be called before it's been passed to anther thread. |
- void MakeThreadSafe(); |
- bool IsThreadSafe() const; |
- |
- // Returns true if this is a null object. |
- bool isNull() const { return storage_.get() == NULL; } |
- |
- // Width and height of image in DIP coordinate system. |
- int width() const; |
- int height() const; |
- gfx::Size size() const; |
- |
- // Returns pointer to 1x bitmap contained by this object. If there is no 1x |
- // bitmap, the bitmap whose scale factor is closest to 1x is returned. |
- // This function should only be used in unittests and on platforms which do |
- // not support scale factors other than 1x. |
- // TODO(pkotwicz): Return null SkBitmap when the object has no 1x bitmap. |
- const SkBitmap* bitmap() const { return &GetBitmap(); } |
- |
- // Returns a vector with the image reps contained in this object. |
- // There is no guarantee that this will return all images rep for |
- // supported scale factors. |
- std::vector<gfx::ImageSkiaRep> image_reps() const; |
- |
- // When the source is available, generates all ImageReps for |
- // supported scale factors. This method is defined as const as |
- // the state change in the storage is agnostic to the caller. |
- void EnsureRepsForSupportedScales() const; |
- |
- private: |
- friend class test::TestOnThread; |
- FRIEND_TEST_ALL_PREFIXES(ImageSkiaTest, EmptyOnThreadTest); |
- FRIEND_TEST_ALL_PREFIXES(ImageSkiaTest, StaticOnThreadTest); |
- FRIEND_TEST_ALL_PREFIXES(ImageSkiaTest, SourceOnThreadTest); |
- |
- // Initialize ImageSkiaStorage with passed in parameters. |
- // If the image rep's bitmap is empty, ImageStorage is set to NULL. |
- void Init(const gfx::ImageSkiaRep& image_rep); |
- |
- SkBitmap& GetBitmap() const; |
- |
- // Checks if the current thread can read/modify the ImageSkia. |
- bool CanRead() const; |
- bool CanModify() const; |
- |
- // Detach the storage from the currently assinged thread |
- // so that other thread can access the storage. |
- void DetachStorageFromThread(); |
- |
- // A refptr so that ImageRepSkia can be copied cheaply. |
- scoped_refptr<internal::ImageSkiaStorage> storage_; |
-}; |
- |
-} // namespace gfx |
- |
-#endif // UI_GFX_IMAGE_IMAGE_SKIA_H_ |