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| 1 // Copyright (c) 2011 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 #include "chrome/browser/ui/window_snapshot/window_snapshot.h" |
| 6 |
| 7 #import <Cocoa/Cocoa.h> |
| 8 |
| 9 #include "base/scoped_nsobject.h" |
| 10 #include "base/scoped_ptr.h" |
| 11 #include "base/test/mock_chrome_application_mac.h" |
| 12 #include "gfx/rect.h" |
| 13 #include "testing/platform_test.h" |
| 14 |
| 15 namespace browser { |
| 16 namespace { |
| 17 |
| 18 typedef PlatformTest GrabWindowSnapshotTest; |
| 19 |
| 20 TEST_F(GrabWindowSnapshotTest, TestGrabWindowSnapshot) { |
| 21 // Launch a test window so we can take a snapshot. |
| 22 NSRect frame = NSMakeRect(0, 0, 400, 400); |
| 23 scoped_nsobject<NSWindow> window( |
| 24 [[NSWindow alloc] initWithContentRect:frame |
| 25 styleMask:NSBorderlessWindowMask |
| 26 backing:NSBackingStoreBuffered |
| 27 defer:NO]); |
| 28 [window setBackgroundColor:[NSColor whiteColor]]; |
| 29 [window makeKeyAndOrderFront:NSApp]; |
| 30 |
| 31 scoped_ptr<std::vector<unsigned char> > png_representation( |
| 32 new std::vector<unsigned char>); |
| 33 browser::GrabWindowSnapshot(window, png_representation.get()); |
| 34 |
| 35 // Copy png back into NSData object so we can make sure we grabbed a png. |
| 36 scoped_nsobject<NSData> image_data( |
| 37 [[NSData alloc] initWithBytes:&(*png_representation)[0] |
| 38 length:png_representation->size()]); |
| 39 NSBitmapImageRep* rep = [NSBitmapImageRep imageRepWithData:image_data.get()]; |
| 40 EXPECT_TRUE([rep isKindOfClass:[NSBitmapImageRep class]]); |
| 41 EXPECT_TRUE(CGImageGetWidth([rep CGImage]) == 400); |
| 42 NSColor* color = [rep colorAtX:200 y:200]; |
| 43 CGFloat red = 0, green = 0, blue = 0, alpha = 0; |
| 44 [color getRed:&red green:&green blue:&blue alpha:&alpha]; |
| 45 EXPECT_GE(red + green + blue, 3.0); |
| 46 } |
| 47 |
| 48 } // namespace |
| 49 } // namespace browser |
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