/*
 * Project:     RippleEffect
 * File:        AWRippler.h
 * Author:      Andrew Wellington
 *
 * License:
 * Copyright (C) 2005 Andrew Wellington.
 * 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "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 AUTHOR 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 <Foundation/Foundation.h>
#import <QuartzCore/QuartzCore.h>

@class CICGSFilter;

/* These functions all return a status code. Typical CoreGraphics replies are:
	kCGErrorSuccess = 0,
	kCGErrorFirst = 1000,
	kCGErrorFailure = kCGErrorFirst,
	kCGErrorIllegalArgument = 1001,
	kCGErrorInvalidConnection = 1002,
*/

// Internal CoreGraphics typedefs
typedef int             CGSConnection;
typedef int             CGSWindow;

/* Get the default connection for the current process. */
extern CGSConnection _CGSDefaultConnection(void);

extern OSStatus CGSSetWindowTransform(const CGSConnection cid, const CGSWindow wid, CGAffineTransform transform);
extern OSStatus CGSGetWindowTransform(const CGSConnection cid, const CGSWindow wid, CGAffineTransform * outTransform);

@interface NSWindow(AWRipple)
- (void)ripple;
@end

@interface AWRippler : NSObject {
    NSWindow        *win;
    NSWindow        *ripplingWindow;
	CGSWindow       aWindowID;
	CIFilter        *rippleFilter;
	CICGSFilter     *windowFilter;
    CFAbsoluteTime  startTime;
}

- (void)rippleWindow:(NSWindow *)window;

@end
