--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/Misc/WebNSImageExtras.m	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <WebKit/WebNSImageExtras.h>
+
+#import <WebKit/WebKitLogging.h>
+
+@implementation NSImage (WebExtras)
+
+- (void)_web_scaleToMaxSize:(NSSize)size
+{
+    float heightResizeDelta = 0.0f, widthResizeDelta = 0.0f, resizeDelta = 0.0f;
+    NSSize originalSize = [self size];
+
+    if(originalSize.width > size.width){
+        widthResizeDelta = size.width / originalSize.width;
+        resizeDelta = widthResizeDelta;
+    }
+
+    if(originalSize.height > size.height){
+        heightResizeDelta = size.height / originalSize.height;
+        if((resizeDelta == 0.0) || (resizeDelta > heightResizeDelta)){
+            resizeDelta = heightResizeDelta;
+        }
+    }
+    
+    if(resizeDelta > 0.0){
+        NSSize newSize = NSMakeSize((originalSize.width * resizeDelta), (originalSize.height * resizeDelta));
+        [self setScalesWhenResized:YES];
+        [self setSize:newSize];
+    }
+}
+
+- (void)_web_dissolveToFraction:(float)delta
+{
+    NSImage *dissolvedImage = [[NSImage alloc] initWithSize:[self size]];
+
+    NSPoint point = [self isFlipped] ? NSMakePoint(0, [self size].height) : NSZeroPoint;
+    
+    // In this case the dragging image is always correct.
+    [dissolvedImage setFlipped:[self isFlipped]];
+
+    [dissolvedImage lockFocus];
+    [self dissolveToPoint:point fraction: delta];
+    [dissolvedImage unlockFocus];
+
+    [self lockFocus];
+    [dissolvedImage compositeToPoint:point operation:NSCompositeCopy];
+    [self unlockFocus];
+
+    [dissolvedImage release];
+}
+
+- (void)_web_saveAndOpen
+{
+    char path[] = "/tmp/XXXXXX.tiff";
+    int fd = mkstemps(path, 5);
+    if (fd != -1) {
+        NSData *data = [self TIFFRepresentation];
+        write(fd, [data bytes], [data length]);
+        close(fd);
+        [[NSWorkspace sharedWorkspace] openFile:[NSString stringWithUTF8String:path]];
+    }
+}
+
+@end