/*

 * 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