scopeapp-cvs Mailing List for MacCRO X (Page 7)

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Update of /cvsroot/scopeapp/scopeapp/src
In directory usw-pr-cvs1:/tmp/cvs-serv4168

Added Files:
	SpectrumView.h SpectrumView.m 
Log Message:
Initial checkin of (incomplete) spectrum view code (currently skeleton only)


--- NEW FILE: SpectrumView.h ---
//
//  SpectrumView.h
//  MacCRO X
//
//  Created by Philip Derrin on Sun Jul 14 2002.
//  Copyright (c) 2002 Philip Derrin.
//
//  This file is part of MacCRO X.
//
//  MacCRO X is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  MacCRO X is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with MacCRO X; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  $Header: /cvsroot/scopeapp/scopeapp/src/SpectrumView.h,v 1.1 2002/10/29 04:24:46 narge Exp $
//

#import <AppKit/AppKit.h>
#import "TraceView.h"

@interface SpectrumView : TraceView {
	// **** Controls ****
	// Frequency scale
	IBOutlet NSTextField* myFreqFrom;
	IBOutlet NSTextField* myFreqTo;
	IBOutlet NSButton* myFreqIsLogCheckbox;
	
	// Amplitude scale
	IBOutlet NSTextField* myAmpFrom;
	IBOutlet NSTextField* myAmpTo;
	IBOutlet NSButton* myAmpIsLogCheckbox;
	IBOutlet NSPopupMenu* myAmpUnitsMenu;
	
	// Accumulation settings
	IBOutlet NSButton* myAccumulateCheckbox;
	IBOutlet NSButton* myAccumulateReset;
	
	// display settings
	IBOutlet NSButton* myShowTimeCheckbox;
	IBOutlet NSButton* myShowScaleCheckbox;

@protected
	// spectrum analyser settings
	double myXScale, myYScale;
	double myGain;
	BOOL myXIsLog, myYIsLog;
	
	BOOL myShowTime, myShowScales;
}

-(IBAction) changedFreqScale: (id) sender;

-(IBAction) changedVoltScale: (id) sender;

-(IBAction) changedAccumulationSettings: (id) sender;

-(IBAction) changedDisplaySettings: (id) sender;

-(id) updateControls;

@end

--- NEW FILE: SpectrumView.m ---
//
//  SpectrumView.m
//  MacCRO X
//
//  Created by Philip Derrin on Sun Jul 14 2002.
//  Copyright (c) 2002 Philip Derrin.
//
//  This file is part of MacCRO X.
//
//  MacCRO X is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  MacCRO X is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with MacCRO X; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  $Header: /cvsroot/scopeapp/scopeapp/src/SpectrumView.m,v 1.1 2002/10/29 04:24:46 narge Exp $
//

#import "SpectrumView.h"

static double gVoltScales[7] = {0.01,0.02,0.05,0.1,0.2,0.5,1};

@implementation SpectrumView

- (void)awakeFromNib {
	// FIXME testing hack - implement updateControls
	myGain = 1.0;
	myDataWanted[0] = 882; // FIXME add a control for this
	myDataWanted[1] = 882; // FIXME add a control for this
	myXScale = 1;
	myYScale = 1;

	[super awakeFromNib];
}

- (void) dealloc
{
	[self stopDrawing];
	
	/* currently nothing to deallocate */
	
	[super dealloc];
}

-(IBAction) changedScale: (id) sender
{
	if(sender == myYScaleSlider)
	{
		// if the scale slider moved, zero the fine slider
		[myYFineSlider setIntValue: 0];
	}
	
	if(sender == myXScaleSlider)
	{
		[myXFineSlider setIntValue: 0];
	}
	
	[self stopDrawing];
	
	myXScale = gVoltScales[[myXScaleSlider intValue]-1] *
			pow(2.0, [myXFineSlider doubleValue]);

	myYScale = gVoltScales[[myYScaleSlider intValue]-1] *
			pow(2.0, [myYFineSlider doubleValue]);
		
	[self startDrawing];
}

-(IBAction) changedDisplaySettings: (id) sender
{
	myShowTime = [myShowTimeCheckbox intValue];
	myShowScales = [myShowScaleCheckbox intValue];
}

// FIXME implement this function to set the controls appropriately from
// default / saved values
-(id) updateControls { return self; } 

- (id)updateDisplay: (int) inTrace
{
	double theScaleFactor[2];
	float curX, curY;
	unsigned long curSample;
	
	theScaleFactor[0] = myGain * 1 / myXScale;
	theScaleFactor[1] = myGain * 1 / myYScale;
	
	[myDisplayLock lock];
	[myBezierPaths[0] removeAllPoints];
	
	// FIXME do fft & display data
#error

	[myDisplayLock unlock];
	
	return self;
}

@end

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scopeapp-cvs Mailing List for MacCRO X (Page 7)

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