C++程序  |  27行  |  899 B

// Copyright (c) 2010 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 CHROME_BROWSER_UI_COCOA_IMAGE_UTILS_H_
#define CHROME_BROWSER_UI_COCOA_IMAGE_UTILS_H_
#pragma once

#import <Cocoa/Cocoa.h>

@interface NSImage (FlippedAdditions)

// Works like |-drawInRect:fromRect:operation:fraction:|, except that
// if |neverFlipped| is |YES|, and the context is flipped, the a
// transform is applied to flip it again before drawing the image.
//
// Compare to the 10.6 method
// |-drawInRect:fromRect:operation:fraction:respectFlipped:hints:|.
- (void)drawInRect:(NSRect)dstRect
          fromRect:(NSRect)srcRect
         operation:(NSCompositingOperation)op
          fraction:(CGFloat)requestedAlpha
      neverFlipped:(BOOL)neverFlipped;
@end

#endif  // CHROME_BROWSER_UI_COCOA_IMAGE_UTILS_H_