ui/gfx/image/image_skia_util_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 UI_GFX_IMAGE_IMAGE_SKIA_UTIL_IOS_H_
   6 #define UI_GFX_IMAGE_IMAGE_SKIA_UTIL_IOS_H_
   7
   8 #include "ui/base/layout.h"
   9 #include "ui/base/ui_export.h"
  10
  11 #ifdef __OBJC__
  12 @class UIImage;
  13 #else
  14 class UIImage;
  15 #endif
  16
  17 namespace gfx {
  18 class ImageSkia;
  19 class ImageSkiaRep;
  20
  21 // Converts to ImageSkia from UIImage.
  22 UI_EXPORT gfx::ImageSkia ImageSkiaFromUIImage(UIImage* image);
  23
  24 // Converts to an ImageSkiaRep of |scale_factor| from UIImage.
  25 // |scale_factor| is passed explicitly in order to allow this method to be used
  26 // with a |scale_factor| which is not supported by the platform.
  27 // (ui::GetScaleFactorFromScale() is restricted to the platform's supported
  28 // scale factors.)
  29 UI_EXPORT gfx::ImageSkiaRep ImageSkiaRepOfScaleFactorFromUIImage(
  30     UIImage* image,
  31     ui::ScaleFactor scale_factor);
  32
  33 // Converts to UIImage from ImageSkia. The returned UIImage will be at the scale
  34 // of the ImageSkiaRep in |image_skia| which most closely matches the device's
  35 // scale factor (eg Retina iPad -> 2x). Returns an autoreleased UIImage.
  36 UI_EXPORT UIImage* UIImageFromImageSkia(const gfx::ImageSkia& image_skia);
  37
  38 // Converts to UIImage from ImageSkiaRep. Returns an autoreleased UIImage.
  39 UI_EXPORT UIImage* UIImageFromImageSkiaRep(
  40     const gfx::ImageSkiaRep& image_skia_rep);
  41
  42 }  // namespace gfx
  43
  44 #endif  // UI_GFX_IMAGE_IMAGE_SKIA_UTIL_IOS_H_