Move browser/cocoa to browser/ui/cocoa

BUG=none
TEST=none
TBR=brettw


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@67854 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 37 insertions, 0 deletions

diff --git a/chrome/browser/ui/cocoa/image_utils.mm b/chrome/browser/ui/cocoa/image_utils.mm
new file mode 100644
index 0000000..b2883ff
--- /dev/null
+++ b/chrome/browser/ui/cocoa/image_utils.mm
@@ -0,0 +1,37 @@
+// 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.
+
+#import "chrome/browser/ui/cocoa/image_utils.h"
+
+@implementation NSImage (FlippedAdditions)
+
+- (void)drawInRect:(NSRect)dstRect
+          fromRect:(NSRect)srcRect
+         operation:(NSCompositingOperation)op
+          fraction:(CGFloat)requestedAlpha
+      neverFlipped:(BOOL)neverFlipped {
+  NSAffineTransform *transform = nil;
+
+  // Flip drawing and adjust the origin to make the image come out
+  // right.
+  if (neverFlipped && [[NSGraphicsContext currentContext] isFlipped]) {
+    transform = [NSAffineTransform transform];
+    [transform scaleXBy:1.0 yBy:-1.0];
+    [transform concat];
+
+    // The lower edge of the image is as far from the origin as the
+    // upper edge was, plus it's on the other side of the origin.
+    dstRect.origin.y -= NSMaxY(dstRect) + NSMinY(dstRect);
+  }
+
+  [self drawInRect:dstRect
+          fromRect:srcRect
+         operation:op
+          fraction:requestedAlpha];
+
+  // Flip drawing back, if needed.
+  [transform concat];
+}
+
+@end