ui/base/cocoa/nscolor_additions.mm

   1 // Copyright 2015 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 #import "ui/base/cocoa/nscolor_additions.h"
   6
   7 #include "base/mac/foundation_util.h"
   8 #import "base/mac/sdk_forward_declarations.h"
   9 #include "base/macros.h"
  10
  11 @implementation NSColor (ChromeAdditions)
  12
  13 - (CGColorRef)cr_CGColor {
  14   // Redirect to -[NSColor CGColor] if available because it caches.
  15   static BOOL redirect =
  16       [NSColor instancesRespondToSelector:@selector(CGColor)];
  17   if (redirect)
  18     return [self CGColor];
  19
  20   const NSInteger numberOfComponents = [self numberOfComponents];
  21   std::vector<CGFloat> components(numberOfComponents, 0.0);
  22   [self getComponents:components.data()];
  23   auto color = CGColorCreate([[self colorSpace] CGColorSpace],
  24                              components.data());
  25   base::mac::CFTypeRefToNSObjectAutorelease(color);
  26   return color;
  27 }
  28
  29 @end