IMImage.h

/*
 * Copyright (c) 2007, karasu
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * 
 * * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * * 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR
 * 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 <Cocoa/Cocoa.h>

/**
 imgの高さ/幅のうち、大きい方がMaxsideになるように、元の画像をリサイズします。
 */
BOOL IMResizeImageByLongerSide( NSImage* img, double Maxside);

/*
 imgの高さ/幅のうち長い方が辺となる正方形の画像を作成し、
 imgを中心に合成した新しい画像を返します。
 */
NSImage *IMCreateSquareImage( NSImage *img );

/**
 NSSize長い方を返します
 */
static inline float IMLongerSide( NSSize s ){
	return (s.height > s.width? s.height: s.width);
}

/**
 両方返しちゃいます
 height>widthになるようになっているよ
 */
static inline NSSize IMLongerAndShorterSide( NSSize s ){
	if(s.height < s.width)
		return NSMakeSize(s.height, s.width);
	return NSMakeSize(s.width, s.height);
}