SndMeter.h

/*
 * $Id: SndMeter.h 3448 2009-04-01 22:56:17Z leighsmith $
 *
 * Description: Defines a NSView subclass displaying instantaneous amplitude of sound.
 *
 * Original Author: Lee Boynton
 *
 * Substantially based on Sound Kit, Release 2.0, Copyright (c) 1988, 1989, 1990, NeXT, Inc.  All rights reserved. 
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 *
 * Portions Copyright (c) 2001-2003, The MusicKit project. All rights reserved.
 *
 * Legal Statement Covering Additions by The MusicKit Project:
 *
 *    Permission is granted to use and modify this code for commercial and
 *    non-commercial purposes so long as the author attribution and copyright
 *    messages remain intact and accompany all relevant code.
 *
 */ 
#import <AppKit/AppKit.h>

@class Snd;

@interface SndMeter: NSView
{
    Snd *sound;
    int currentSample;
    float currentValue;
    float currentPeak;
    float minValue;
    float maxValue;
    float holdTime;
    NSColor *backgroundColor;
    NSColor *foregroundColor;
    NSColor *peakColor;
    struct {
      unsigned int running:1;
      unsigned int bezeled:1;
      unsigned int shouldStop:1;
      unsigned int _reservedFlags:13;
    } smFlags;
    void *_timedEntry;
    int _valTime;
    int _peakTime;
    float _valOneAgo;
    float _valTwoAgo;
}

- (id) initWithFrame: (NSRect) frameRect;

- (id) initWithCoder: (NSCoder *) aStream;
- (void) encodeWithCoder: (NSCoder *) aStream;

- (float) holdTime;

- (void) setHoldTime: (float) seconds;

- (void) setBackgroundColor: (NSColor *) aColor;

- (NSColor *) backgroundColor;

- (void) setForegroundColor: (NSColor *) aColor;

- (NSColor *) foregroundColor;

- (void) setPeakColor: (NSColor *) aColor;

- (NSColor *) peakColor;

- (Snd *) sound;

- (void) setSound: (Snd *) aSound;

- (void) run: (id) sender;

- (void) stop: (id) sender;

- (BOOL) isRunning;

- (BOOL) isBezeled;

- (void) setBezeled: (BOOL) aFlag;

- (void) setFloatValue: (float) aValue;

- (float) floatValue;

- (float) peakValue;

- (float) minValue;

- (float) maxValue;

- (void) drawRect: (NSRect) rects;

- (void) drawCurrentValue;

@end

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