widget/cocoa/MOZIconHelper.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZIconHelper_h
   7 #define MOZIconHelper_h
   8
   9 #import <Cocoa/Cocoa.h>
  10
  11 #include "nsRect.h"
  12
  13 class imgIContainer;
  14 class nsPresContext;
  15
  16 namespace mozilla {
  17 class ComputedStyle;
  18 }
  19
  20 @interface MOZIconHelper : NSObject
  21
  22 // Returns an autoreleased empty NSImage.
  23 + (NSImage*)placeholderIconWithSize:(NSSize)aSize;
  24
  25 // Returns an autoreleased NSImage.
  26 + (NSImage*)iconImageFromImageContainer:(imgIContainer*)aImage
  27                                withSize:(NSSize)aSize
  28                             presContext:(const nsPresContext*)aPresContext
  29                           computedStyle:(const mozilla::ComputedStyle*)aComputedStyle
  30                                 subrect:(const nsIntRect&)aSubRect
  31                             scaleFactor:(CGFloat)aScaleFactor;
  32
  33 @end
  34
  35 #endif  // MOZIconHelper_h