skia/ext/skia_utils_ios.h

   1 // Copyright 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 #ifndef SKIA_EXT_SKIA_UTILS_IOS_H_
   6 #define SKIA_EXT_SKIA_UTILS_IOS_H_
   7
   8 #include <CoreGraphics/CoreGraphics.h>
   9 #include <vector>
  10
  11 #include "third_party/skia/include/core/SkBitmap.h"
  12
  13 #ifdef __OBJC__
  14 @class UIImage;
  15 @class NSData;
  16 #else
  17 class UIImage;
  18 class NSData;
  19 #endif
  20
  21 namespace gfx {
  22
  23 // Draws a CGImage into an SkBitmap of the given size.
  24 SK_API SkBitmap CGImageToSkBitmap(CGImageRef image,
  25                                   CGSize size,
  26                                   bool is_opaque);
  27
  28 // Given an SkBitmap and a color space, return an autoreleased UIImage.
  29 SK_API UIImage* SkBitmapToUIImageWithColorSpace(const SkBitmap& skia_bitmap,
  30                                                 CGFloat scale,
  31                                                 CGColorSpaceRef color_space);
  32
  33 // Decodes all image representations inside the data into a vector of SkBitmaps.
  34 // Returns a vector of all the successfully decoded representations or an empty
  35 // vector if none can be decoded.
  36 SK_API std::vector<SkBitmap> ImageDataToSkBitmaps(NSData* image_data);
  37
  38 }  // namespace gfx
  39
  40 #endif  // SKIA_EXT_SKIA_UTILS_IOS_H_