WebNSImageExtras.m   [plain text]

/*
* Copyright (C) 2005 Apple 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 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.
*/

#if !PLATFORM(IOS)

#import <WebKitLegacy/WebNSImageExtras.h>

#import <WebKitLegacy/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));
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[self setScalesWhenResized:YES];
#pragma clang diagnostic pop
[self setSize:newSize];
}
}

- (void)_web_dissolveToFraction:(float)delta
{
NSImage *dissolvedImage = [[NSImage alloc] initWithSize:[self size]];

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
NSPoint point = [self isFlipped] ? NSMakePoint(0, [self size].height) : NSZeroPoint;
#pragma clang diagnostic pop

// In this case the dragging image is always correct.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[dissolvedImage setFlipped:[self isFlipped]];
#pragma clang diagnostic pop

[dissolvedImage lockFocus];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[self dissolveToPoint:point fraction: delta];
#pragma clang diagnostic pop
[dissolvedImage unlockFocus];

[self lockFocus];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[dissolvedImage compositeToPoint:point operation:NSCompositeCopy];
#pragma clang diagnostic pop
[self unlockFocus];

[dissolvedImage release];
}

@end

#endif // !PLATFORM(IOS)