Repository: ChiefPilot/F3BarGauge
Branch: master
Commit: ce502aa73f77
Files: 17
Total size: 63.9 KB

Directory structure:
gitextract_ddzacrtk/

├── F3BarGaugeDemo/
│   ├── AppDelegate.h
│   ├── AppDelegate.m
│   ├── F3BarGauge.h
│   ├── F3BarGauge.m
│   ├── F3BarGaugeDemo-Info.plist
│   ├── F3BarGaugeDemo-Prefix.pch
│   ├── ViewController.h
│   ├── ViewController.m
│   ├── en.lproj/
│   │   ├── InfoPlist.strings
│   │   └── ViewController.xib
│   └── main.m
├── F3BarGaugeDemo.xcodeproj/
│   ├── project.pbxproj
│   ├── project.xcworkspace/
│   │   └── contents.xcworkspacedata
│   └── xcuserdata/
│       └── bradbenson.xcuserdatad/
│           ├── xcdebugger/
│           │   └── Breakpoints.xcbkptlist
│           └── xcschemes/
│               ├── F3BarGaugeDemo.xcscheme
│               └── xcschememanagement.plist
└── README.markdown

================================================
FILE CONTENTS
================================================

================================================
FILE: F3BarGaugeDemo/AppDelegate.h
================================================
//
//  AppDelegate.h
//  F3BarGaugeDemo
//
//  Created by Brad Benson on 12/13/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>

@class ViewController;

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

@property (strong, nonatomic) ViewController *viewController;

@end


================================================
FILE: F3BarGaugeDemo/AppDelegate.m
================================================
//
//  AppDelegate.m
//  F3BarGaugeDemo
//
//  Created by Brad Benson on 12/13/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#import "AppDelegate.h"

#import "ViewController.h"

@implementation AppDelegate

@synthesize window = _window;
@synthesize viewController = _viewController;


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    // Override point for customization after application launch.
  self.viewController = [[ViewController alloc] initWithNibName:@"ViewController" bundle:nil];
  self.window.rootViewController = self.viewController;
    [self.window makeKeyAndVisible];
    return YES;
}

- (void)applicationWillResignActive:(UIApplication *)application
{
  /*
   Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
   Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
   */
}

- (void)applicationDidEnterBackground:(UIApplication *)application
{
  /*
   Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 
   If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
   */
}

- (void)applicationWillEnterForeground:(UIApplication *)application
{
  /*
   Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
   */
}

- (void)applicationDidBecomeActive:(UIApplication *)application
{
  /*
   Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
   */
}

- (void)applicationWillTerminate:(UIApplication *)application
{
  /*
   Called when the application is about to terminate.
   Save data if appropriate.
   See also applicationDidEnterBackground:.
   */
}

@end


================================================
FILE: F3BarGaugeDemo/F3BarGauge.h
================================================
//
//  F3BarGauge.h
//
//  Copyright (c) 2011-2014 by Brad Benson
//  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 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 HOLDER 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.
//  

//---> Pick up required headers <-----------------------------------------
#import <UIKit/UIKit.h>


//------------------------------------------------------------------------
//------------------------------------------------------------------------
//------------------|  F3BarGauge class definition  |---------------------
//------------------------------------------------------------------------
//------------------------------------------------------------------------
@interface F3BarGauge : UIView

@property (readwrite, nonatomic)  float     value;
@property (readwrite, nonatomic)  float     warnThreshold;
@property (readwrite, nonatomic)  float     dangerThreshold;
@property (readwrite, nonatomic)  float     maxLimit;
@property (readwrite, nonatomic)  float     minLimit;
@property (readwrite, nonatomic)  int       numBars;
@property (readonly, nonatomic)   float     peakValue;
@property (readwrite, nonatomic)  BOOL      holdPeak;
@property (readwrite, nonatomic)  BOOL      litEffect;
@property (readwrite, nonatomic)  BOOL      reverse;
@property (readwrite, strong)     UIColor   *outerBorderColor;
@property (readwrite, strong)     UIColor   *innerBorderColor;
@property (readwrite, strong)     UIColor   *backgroundColor;
@property (readwrite, strong)     UIColor   *normalBarColor;
@property (readwrite, strong)     UIColor   *warningBarColor;
@property (readwrite, strong)     UIColor   *dangerBarColor;

-(void) resetPeak;



@end


================================================
FILE: F3BarGaugeDemo/F3BarGauge.m
================================================
//
//  F3BarGauge.m
//
//  Copyright (c) 2011-2014 by Brad Benson
//  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 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 HOLDER 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.
//

//===[ Required headers ]================================================

// Our stuff
#import "F3BarGauge.h"



//===[ Local definitions/constants/etc ]=================================

static const int BAR_NOT_USED = -1;   // Used to indicate that bar/level/peak does not exist


//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//---------------|  F3BarGauge class implementation  |-------------------
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------

//===[ Extention for private-ish stuff ]=================================
@interface F3BarGauge()
{
    float       _peakValue;             // Peak value seen since reset
    int         _iOnIdx,                // Point at which segments are on
                _iOffIdx,               // Point at which segments are off
                _iPeakBarIdx,           // Index of peak value segment
                _iWarningBarIdx,        // Index of first warning segment
                _iDangerBarIdx;         // Index of first danger segment
}


@end



@implementation F3BarGauge
//===[ Published Methods ]===============================================

//-----------------------------------------------------------------------
//  Method: initWithFrame:
//    Designated initializer
//
-(instancetype) initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if(self) {
        // Assign default values
        [self setDefaults];
    }
    return self;
}


//-----------------------------------------------------------------------
// Method:  initWithCoder:
//  Initializes the instance when brought from nib, etc.
//
-(instancetype) initWithCoder:(NSCoder *)aDecoder
{
    self = [super initWithCoder:aDecoder];
    if(self) {
        // Assign default values
        [self setDefaults];
    }
    return self;
}


//-----------------------------------------------------------------------
//  Method: resetPeak
//    Resets peak value.
//
-(void) resetPeak
{
    // Reset the value and redraw
    _peakValue = -INFINITY;
    _iPeakBarIdx = BAR_NOT_USED;
    [self setNeedsDisplay];
}


//-----------------------------------------------------------------------
//  Method: value setter
//
-(void) setValue:(float)a_value
{
    bool      fRedraw = false;
    
    // Save value
    _value = a_value;
    
    // Point at which bars start lighting up
    int iOnIdx = (_value >= _minLimit) ?  0 : _numBars;
    if( iOnIdx != _iOnIdx ) {
        // Changed - save it
        _iOnIdx = iOnIdx;
        fRedraw = true;
    }
    
    // Point at which bars are no longer lit
    int iOffIdx = ((_value - _minLimit) / (_maxLimit - _minLimit)) * _numBars;
    if( iOffIdx != _iOffIdx ) {
        // Changed - save it
        _iOffIdx = iOffIdx;
        fRedraw = true;
    }
    
    // Are we doing peak?
    if( _holdPeak && a_value > _peakValue ) {
        // Yes, save the peak bar index
        _peakValue = a_value;
        _iPeakBarIdx = MIN(_iOffIdx, _numBars - 1);
    }
    
    // Redraw the display?
    if( fRedraw ) {
        // Do it
        [self setNeedsDisplay];
    }
}


//-----------------------------------------------------------------------
//  Method: setNumBars:
//    This method sets the number of bars in the display
//
- (void) setNumBars:(int)a_iNumBars
{
    // Reset peak value to force it to be updated w/new bar index
    _peakValue = -INFINITY;
    
    // Save it, then update the thresholds
    _numBars = a_iNumBars;
    self.value = _value;
    self.warnThreshold = _warnThreshold;
    self.dangerThreshold = _dangerThreshold;
}


//-----------------------------------------------------------------------
//  Method: setWarnThreshold:
//    Sets the level for which bars should be of the warning color
//    (dft: yellow)
//
- (void) setWarnThreshold:(float)a_flWarnThreshold
{
    // Save it and recompute values
    _warnThreshold = a_flWarnThreshold;
    _iWarningBarIdx = ( !isnan(a_flWarnThreshold) && a_flWarnThreshold > 0.0f ) ?
    (int)( _warnThreshold * (float)_numBars ) :
    BAR_NOT_USED;
}


//-----------------------------------------------------------------------
//  Method: setDangerThreshold:
//    Sets the level for which bars should be of the warning color
//    (dft: red).
//
- (void) setDangerThreshold:(float)a_flDangerThreshold
{
    // Save it and recompute values
    _dangerThreshold = a_flDangerThreshold;
    _iDangerBarIdx = ( !isnan(a_flDangerThreshold) && a_flDangerThreshold > 0.0f ) ?
    (int)( _dangerThreshold * (float)_numBars ) :
    BAR_NOT_USED;
}



//===[ Unpublished Methods ]=============================================

//-----------------------------------------------------------------------
//  Method: setDefaults
//    Configure default settings for instance
//
-(void) setDefaults
{
    // Set view background to clear
    self.backgroundColor = [UIColor clearColor];
    
    // Configure limits
    _maxLimit  = 1.0f;
    _minLimit  = 0.0f;
    _value     = 0.0f;
    
    // Set defaults for bar display
    _holdPeak     = NO;
    _numBars      = 10;
    _iOffIdx      = 0;
    _iOnIdx       = 0;
    _iPeakBarIdx  = BAR_NOT_USED;
    _litEffect    = YES;
    _reverse      = NO;
    self.warnThreshold = 0.60f;
    self.dangerThreshold = 0.80f;
    
    // Set default colors
    _backgroundColor  = [UIColor blackColor];
    _outerBorderColor = [UIColor grayColor];
    _innerBorderColor = [UIColor blackColor];
    _normalBarColor   = [UIColor greenColor];
    _warningBarColor  = [UIColor yellowColor];
    _dangerBarColor   = [UIColor redColor];
    
    // Misc.
    self.clearsContextBeforeDrawing = NO;
    self.opaque = NO;
}


//-----------------------------------------------------------------------
//  Method: drawRect:
//    Draw the gauge
//
-(void) drawRect:(CGRect)rect
{
    CGContextRef        ctx;          // Graphics context
    CGRect              rectBounds,   // Bounding rectangle adjusted for multiple of bar size
                        rectBar;      // Rectangle for individual light bar
    size_t              iBarSize;     // Size (width or height) of each LED bar
    
    // How is the bar oriented?
    rectBounds = self.bounds;
    BOOL fIsVertical = (rectBounds.size.height >= rectBounds.size.width);
    if(fIsVertical) {
        // Adjust height to be an exact multiple of bar
        iBarSize = rectBounds.size.height / _numBars;
        rectBounds.size.height  = iBarSize * _numBars;
    }
    else {
        // Adjust width to be an exact multiple
        iBarSize = rectBounds.size.width / _numBars;
        rectBounds.size.width = iBarSize * _numBars;
    }
    
    // Compute size of bar
    rectBar.size.width  = (fIsVertical) ? rectBounds.size.width - 2 : iBarSize;
    rectBar.size.height = (fIsVertical) ? iBarSize : rectBounds.size.height - 2;
    
    // Get stuff needed for drawing
    ctx = UIGraphicsGetCurrentContext();
    CGContextClearRect(ctx, self.bounds);
    
    // Fill background
    CGContextSetFillColorWithColor(ctx, _backgroundColor.CGColor);
    CGContextFillRect(ctx, rectBounds);
    
    // Draw LED bars
    CGContextSetStrokeColorWithColor(ctx, _innerBorderColor.CGColor);
    CGContextSetLineWidth(ctx, 1.0);
    for( int iX = 0; iX < _numBars; ++iX ) {
        // Determine position for this bar
        if(_reverse) {
            // Top-to-bottom or right-to-left
            rectBar.origin.x = (fIsVertical) ? rectBounds.origin.x + 1 : (CGRectGetMaxX(rectBounds) - (iX+1) * iBarSize);
            rectBar.origin.y = (fIsVertical) ? (CGRectGetMinY(rectBounds) + iX * iBarSize) : rectBounds.origin.y + 1;
        }
        else {
            // Bottom-to-top or right-to-left
            rectBar.origin.x = (fIsVertical) ? rectBounds.origin.x + 1 : (CGRectGetMinX(rectBounds) + iX * iBarSize);
            rectBar.origin.y = (fIsVertical) ? (CGRectGetMaxY(rectBounds) - (iX + 1) * iBarSize) : rectBounds.origin.y + 1;
        }
        
        // Draw top and bottom borders for bar
        CGContextAddRect(ctx, rectBar);
        CGContextStrokePath(ctx);
        
        // Determine color of bar
        UIColor   *clrFill = _normalBarColor;
        if( _iDangerBarIdx >= 0 && iX >= _iDangerBarIdx ) {
            clrFill = _dangerBarColor;
        }
        else if( _iWarningBarIdx >= 0 && iX >= _iWarningBarIdx ) {
            clrFill = _warningBarColor;
        }
        
        // Determine if bar should be lit
        BOOL fLit = ((iX >= _iOnIdx && iX < _iOffIdx) || iX == _iPeakBarIdx);
        
        // Fill the interior of the bar
        CGContextSaveGState(ctx);
        CGRect rectFill = CGRectInset(rectBar, 1.0, 1.0);
        CGPathRef clipPath = CGPathCreateWithRect(rectFill, NULL);
        CGContextAddPath(ctx, clipPath);
        CGContextClip(ctx);
        [self drawBar:ctx
             withRect:rectFill
             andColor:clrFill
                  lit:fLit];
        CGContextRestoreGState(ctx);
        CGPathRelease(clipPath);
    }
    
    // Draw border around the control
    CGContextSetStrokeColorWithColor(ctx, _outerBorderColor.CGColor);
    CGContextSetLineWidth(ctx, 2.0);
    CGContextAddRect(ctx, CGRectInset(rectBounds, 1, 1));
    CGContextStrokePath(ctx);
}


//-----------------------------------------------------------------------
//  Method: drawBar::::
//    This method draws a bar
//
- (void) drawBar:(CGContextRef)a_ctx
        withRect:(CGRect)a_rect
        andColor:(UIColor *)a_clr
             lit:(BOOL) a_fLit
{
    // Is the bar lit?
    if(a_fLit) {
        // Are we doing radial gradient fills?
        if(_litEffect) {
            // Yes, set up to draw the bar as a radial gradient
            static  size_t  nu_locations = 2;
            static  CGFloat locations[]   = { 0.0, 0.5 };
            CGFloat aComponents[8];
            CGColorRef clr = a_clr.CGColor;
            
            // Set up color components from passed UIColor object
            if (CGColorGetNumberOfComponents(clr) == 4) {
                // Extract the components
                //
                //  Note that iOS 5.0 provides a nicer way to do this i.e.
                //    [a_clr getRed:&aComponents[0]
                //            green:&aComponents[1]
                //             blue:&aComponents[2]
                //            alpha:&aComponents[3] ];
                memcpy(aComponents, CGColorGetComponents(clr), 4*sizeof(CGFloat));
                
                // Calculate dark color of gradient
                aComponents[4] = aComponents[0] - ((aComponents[0] > 0.3) ? 0.3 : 0.0);
                aComponents[5] = aComponents[1] - ((aComponents[1] > 0.3) ? 0.3 : 0.0);
                aComponents[6] = aComponents[2] - ((aComponents[2] > 0.3) ? 0.3 : 0.0);
                aComponents[7] = aComponents[3];
            }
            
            // Calculate radius needed
            CGFloat width = CGRectGetWidth(a_rect);
            CGFloat height = CGRectGetHeight(a_rect);
            CGFloat radius = sqrt( width * width + height * height );
            
            // Draw the gradient inside the provided rectangle
            CGColorSpaceRef myColorspace = CGColorSpaceCreateDeviceRGB();
            CGGradientRef myGradient = CGGradientCreateWithColorComponents (myColorspace,
                                                                            aComponents,
                                                                            locations,
                                                                            nu_locations);
            CGPoint myStartPoint = { CGRectGetMidX(a_rect), CGRectGetMidY(a_rect) };
            CGContextDrawRadialGradient(a_ctx, myGradient, myStartPoint, 0.0, myStartPoint, radius, 0);
            CGColorSpaceRelease(myColorspace);
            CGGradientRelease(myGradient);
        }
        else {
            // No, solid fill
            CGContextSetFillColorWithColor(a_ctx, a_clr.CGColor);
            CGContextFillRect(a_ctx, a_rect);
        }
    }
    else {
        // No, draw the bar as background color overlayed with a mostly
        // ... transparent version of the passed color
        CGColorRef  fillClr = CGColorCreateCopyWithAlpha(a_clr.CGColor, 0.2f);
        CGContextSetFillColorWithColor(a_ctx, _backgroundColor.CGColor);
        CGContextFillRect(a_ctx, a_rect);
        CGContextSetFillColorWithColor(a_ctx, fillClr);
        CGContextFillRect(a_ctx, a_rect);
        CGColorRelease(fillClr);  
    }    
}

@end


================================================
FILE: F3BarGaugeDemo/F3BarGaugeDemo-Info.plist
================================================
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>CFBundleDevelopmentRegion</key>
	<string>en</string>
	<key>CFBundleDisplayName</key>
	<string>${PRODUCT_NAME}</string>
	<key>CFBundleExecutable</key>
	<string>${EXECUTABLE_NAME}</string>
	<key>CFBundleIconFiles</key>
	<array/>
	<key>CFBundleIdentifier</key>
	<string>com.flightiii.${PRODUCT_NAME:rfc1034identifier}</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>${PRODUCT_NAME}</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>1.0</string>
	<key>CFBundleSignature</key>
	<string>????</string>
	<key>CFBundleVersion</key>
	<string>1.0</string>
	<key>LSRequiresIPhoneOS</key>
	<true/>
	<key>UIRequiredDeviceCapabilities</key>
	<array>
		<string>armv7</string>
	</array>
	<key>UIStatusBarStyle</key>
	<string>UIStatusBarStyleLightContent</string>
	<key>UISupportedInterfaceOrientations</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
</dict>
</plist>


================================================
FILE: F3BarGaugeDemo/F3BarGaugeDemo-Prefix.pch
================================================
//
// Prefix header for all source files of the 'F3BarGaugeDemo' target in the 'F3BarGaugeDemo' project
//

#import <Availability.h>

#ifndef __IPHONE_4_0
#warning "This project uses features only available in iOS SDK 4.0 and later."
#endif

#ifdef __OBJC__
  #import <UIKit/UIKit.h>
  #import <Foundation/Foundation.h>
#endif


================================================
FILE: F3BarGaugeDemo/ViewController.h
================================================
//
//  ViewController.h
//  F3BarGaugeDemo
//
//  Created by Brad Benson on 12/13/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "F3BarGauge.h"

@interface ViewController : UIViewController

@end


================================================
FILE: F3BarGaugeDemo/ViewController.m
================================================
//
//  ViewController.m
//  F3BarGaugeDemo
//
//  Created by Brad Benson on 12/13/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@property (strong, nonatomic) IBOutlet F3BarGauge *horizontalBar;
@property (strong, nonatomic) IBOutlet F3BarGauge *reversedBar;
@property (strong, nonatomic) IBOutlet F3BarGauge *verticalBar;
@property (strong, nonatomic) IBOutlet F3BarGauge *lcdBar;
@property (strong, nonatomic) IBOutlet F3BarGauge *peakHoldBar;
@property (strong, nonatomic) IBOutlet F3BarGauge *customThresholdBar;
@property (strong, nonatomic) IBOutlet F3BarGauge *customRangeBar;
@property (strong, nonatomic) IBOutlet UISlider *valueSlider;
@property (strong, nonatomic) IBOutlet UILabel *valueLabel;

- (IBAction)didChangeValue:(id)sender;
- (IBAction)didReset:(id)sender;
@end



@implementation ViewController


#pragma mark - View lifecycle

- (void)viewDidLoad
{
  [super viewDidLoad];

  _reversedBar.reverse = YES;
  
  _customThresholdBar.numBars = 15;
  _customThresholdBar.warnThreshold = 0.45;
  _customThresholdBar.dangerThreshold = 0.90;
  _customThresholdBar.normalBarColor = [UIColor blueColor];
  _customThresholdBar.warningBarColor = [UIColor cyanColor];
  _customThresholdBar.dangerBarColor = [UIColor magentaColor];
  _customThresholdBar.outerBorderColor = [UIColor clearColor];
  _customThresholdBar.innerBorderColor = [UIColor clearColor];
  
  _customRangeBar.numBars = 20;
  _customRangeBar.minLimit = 0.40;
  _customRangeBar.maxLimit = 0.60;
  
  _peakHoldBar.numBars = 10;
  _peakHoldBar.holdPeak = YES;

  _lcdBar.numBars = 20;
  _lcdBar.litEffect = NO;
  UIColor *clrBar = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1.0];
  _lcdBar.normalBarColor = clrBar;
  _lcdBar.warningBarColor = clrBar;
  _lcdBar.dangerBarColor = clrBar;
  _lcdBar.backgroundColor = [UIColor clearColor];
  _lcdBar.outerBorderColor = [UIColor clearColor];
  _lcdBar.innerBorderColor = [UIColor clearColor];
}


- (IBAction)didChangeValue:(id)sender {
  // Update the text label
  _valueLabel.text = [NSString stringWithFormat:@"%0.02f", _valueSlider.value];
  
  // Update the bar gauges
  _horizontalBar.value = _valueSlider.value;
  _reversedBar.value = _valueSlider.value;
  _lcdBar.value = _valueSlider.value;
  _verticalBar.value = _valueSlider.value;
  _peakHoldBar.value = _valueSlider.value;
  _customThresholdBar.value = _valueSlider.value;
  _customRangeBar.value = _valueSlider.value;

}

- (IBAction)didReset:(id)sender {
  [_peakHoldBar resetPeak];
}
@end


================================================
FILE: F3BarGaugeDemo/en.lproj/InfoPlist.strings
================================================
/* Localized versions of Info.plist keys */



================================================
FILE: F3BarGaugeDemo/en.lproj/ViewController.xib
================================================
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="8191" systemVersion="14E46" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES">
    <dependencies>
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================================================
FILE: F3BarGaugeDemo/main.m
================================================
//
//  main.m
//  F3BarGaugeDemo
//
//  Created by Brad Benson on 12/13/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>

#import "AppDelegate.h"

int main(int argc, char *argv[])
{
  @autoreleasepool {
      return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
  }
}


================================================
FILE: F3BarGaugeDemo.xcodeproj/project.pbxproj
================================================
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================================================
FILE: README.markdown
================================================
F3BarGauge
==========

Welcome!
--------
This demo contains the LED bar gauge control for iOS.   It has been
tested on iOS 6.x and 7.x on iTouch, iPhone, and iPad devices.

![Screenshot](https://raw.github.com/ChiefPilot/F3BarGauge/master/F3BarGauge.png "Screenshot of Component Demo App")

If you find this control of use (or find bugs), I'd love to hear
from you!   Drop a note to brad@flightiii.com with questions, comments,
or dissenting opinions.


Background
----------
This control is intended to replicate/simulate the level indicator
on an audio mixing board.   These indicators are usually
segmented/stacked LEDs, with several colors to indicate thresholds.
This control replicates that look, using Quartz drawing primitives,
and auto-adjusts to horizontal or vertical orientation. Additionally,
the colors, number of bars, peak hold, and other items are easily
customized.


Usage
-----
Adding this control to your XCode project is straightforward :
1.  Add the F3BarGauge.h and F3BarGauge.m files to your project
2.  Add a new blank subview to the nib, sized and positioned to
    match what the bar gauge should look like.
3.  In the properties inspector for this subview, change the
    class to "F3BarGauge"
4.  Add an outlet to represent the bar gauge
5.  Update your code to set the value property as appropriate.

For more information have a look at the demo code, which
has multiple examples including a version that customizes the
with an LCD-style appearance.

License
-------
Copyright (c) 2011-2014 by Brad Benson
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 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 HOLDER 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.