#import <UIKit/UIKit.h>

@interface ViewControllerImage : UIViewController {
    IBOutlet UILabel *datum;
    IBOutlet UILabel *debug;
}

@property (nonatomic, assign) double thicknessValue1;
@property (nonatomic, assign) double capWidthValue1;
@end

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [datum setTransform:CGAffineTransformMakeRotation(M_PI / 2)];

    NSString *value =  [[NSString alloc] initWithFormat:@"%f", self.thicknessValue1];

    debug.text = value;

    draw2D *myView = [[draw2D alloc]initWithThickness: self.thicknessValue1 andCapWidth: self.capWidthValue1];

    NSLog(@"First Logs");
    NSLog(@"%f",myView.thicknessValue2);
    NSLog(@"%f",myView.capWidthValue2);
    NSLog(@"END FIRST LOGS");
}

@interface draw2D : UIView

- (id)initWithThickness:(double)thickness andCapWidth:(double)capWith;


@property (nonatomic, assign) double thicknessValue2;
@property (nonatomic, assign) double capWidthValue2;

@end

#import <UIKit/UIKit.h>

@interface draw2D : UIView

- (id)initWithThickness:(double)thickness andCapWidth:(double)capWith
{
    self = [super init];
    if(self)
    {
        thicknessValue2 = self.thicknessValue2;
        capWidthValue2 = self.capWidthValue2;
        NSLog(@"Second Logs");
        NSLog(@"%f",thicknessValue2);
        NSLog(@"%f",capWidthValue2);
        NSLog(@"END Second LOGS");
    }
    return self;
}

- (void)drawRect:(CGRect)rect {


    NSLog(@"Third Logs");
    NSLog(@"%f",self.thicknessValue2);
    NSLog(@"%f",self.capWidthValue2);
    NSLog(@"END Third LOGS");

    //thickness = self.thicknessValue2;
    //capWidth = self.capWidthValue2;

    double thickness = thicknessValue2;
    double capWidth = capWidthValue2;

    double weldCentreLine = 285;
    double centreLine = 160;
    double surface  = centreLine + (thickness / 2);
    double bottom  = centreLine - (thickness / 2);

    double datumSideCap = weldCentreLine - (capWidth / 2);
    double oppositeSideCap = weldCentreLine + (capWidth / 2);


    double datumSideCapCap = weldCentreLine - (capWidth / 2) - 10;
    double oppositeSideCapCap = weldCentreLine + (capWidth / 2) + 10;

    double beforeRoot = bottom + 5;

    double capHeight = surface + (thickness / 3);

    double capDifferenceRound = (oppositeSideCap - datumSideCap) / 2;

    //Obtain graphics context of the view
    CGContextRef context0 = UIGraphicsGetCurrentContext();

    //Width of the line
    CGContextSetLineWidth(context0, 2.0);

    //Color Space
    CGColorSpaceRef colorspace0 = CGColorSpaceCreateDeviceRGB();
    //Colors
    CGFloat components0[] = {0.0, 0.0, 0.0, 0.1};
    //Creates color
    CGColorRef color0 = CGColorCreate(colorspace0, components0);
    //What color is used?
    CGContextSetStrokeColorWithColor(context0, color0);

    //WELD CENTRELINE
    CGContextMoveToPoint(context0, 320, 285);
    CGContextAddLineToPoint(context0, 300, 285);
    CGContextMoveToPoint(context0, 280, 285);
    CGContextAddLineToPoint(context0, 260, 285);
    CGContextMoveToPoint(context0, 240, 285);
    CGContextAddLineToPoint(context0, 220, 285);
    CGContextMoveToPoint(context0, 200, 285);
    CGContextAddLineToPoint(context0, 180, 285);
    CGContextMoveToPoint(context0, 160, 285);
    CGContextAddLineToPoint(context0, 140, 285);
    CGContextMoveToPoint(context0, 120, 285);
    CGContextAddLineToPoint(context0, 100, 285);
    CGContextMoveToPoint(context0, 80, 285);
    CGContextAddLineToPoint(context0, 60, 285);
    CGContextMoveToPoint(context0, 40, 285);
    CGContextAddLineToPoint(context0, 20, 285);
    //END WELD CENTRELINE


    //Draws the line
    CGContextStrokePath(context0);
    CGColorSpaceRelease(colorspace0);
    CGColorRelease(color0);



    //Obtain graphics context of the view
    CGContextRef context = UIGraphicsGetCurrentContext();

    //Width of the line
    CGContextSetLineWidth(context, 2.0);

    //Color Space
    CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
    //Colors
    CGFloat components[] = {0.0, 0.0, 1.0, 1.0};
    //Creates color
    CGColorRef color = CGColorCreate(colorspace, components);
    //What color is used?
    CGContextSetStrokeColorWithColor(context, color);

    //Start point

    //WELD START LEFT
    CGContextMoveToPoint(context, surface, 0);
    CGContextAddLineToPoint(context, surface, datumSideCap);
    CGContextAddLineToPoint(context, beforeRoot, (weldCentreLine-5));
    CGContextAddLineToPoint(context, bottom, (weldCentreLine-5));
    CGContextAddLineToPoint(context, bottom, 0);
    //END WELD START LEFT

    //WELD START RIGHT
    CGContextMoveToPoint(context, surface, 570);
    CGContextAddLineToPoint(context, surface, oppositeSideCap);
    CGContextAddLineToPoint(context, beforeRoot, (weldCentreLine+5));
    CGContextAddLineToPoint(context, bottom, (weldCentreLine+5));
    CGContextAddLineToPoint(context, bottom, 570);
    //END WELD START RIGHT

    //WELD CAP START POINT
    CGContextMoveToPoint(context, surface, datumSideCapCap);
    CGContextAddArcToPoint(context, capHeight,weldCentreLine, surface,oppositeSideCap, capDifferenceRound);
    CGContextAddLineToPoint(context, surface, oppositeSideCapCap);
    //WELD CAP END POINT

    //ROOT CAP START POINT
    CGContextMoveToPoint(context, bottom, 270);
    CGContextAddArcToPoint(context, (bottom - 15),280, (bottom - 15),283, 10);
    CGContextMoveToPoint(context, bottom, 300);
    CGContextAddArcToPoint(context, (bottom - 15),290, (bottom - 15),287, 10);
    //ROOT CAP END POINT
    //End Points

    //Draws the line
    CGContextStrokePath(context);
    CGColorSpaceRelease(colorspace);
    CGColorRelease(color);

    //DEFECT

    //Obtain graphics context of the view
    CGContextRef context1 = UIGraphicsGetCurrentContext();

    //Width of the line
    CGContextSetLineWidth(context1, 2.0);

    //Color Space
    CGColorSpaceRef colorspace1 = CGColorSpaceCreateDeviceRGB();
    //Colors
    CGFloat components1[] = {1.0, 0.0, 0.0, 1.0};
    //Creates color
    CGColorRef color1 = CGColorCreate(colorspace1, components1);
    //What color is used?
    CGContextSetStrokeColorWithColor(context1, color1);

    //DRAW DEFECT
    CGContextMoveToPoint(context, 160, 285);
    CGContextAddLineToPoint(context, 159, 286);
    CGContextAddLineToPoint(context, 158, 285);
    CGContextAddLineToPoint(context, 159, 284);
    CGContextAddLineToPoint(context, 160, 285);

    //Draws the line
    CGContextStrokePath(context1);
    CGColorSpaceRelease(colorspace1);
    CGColorRelease(color1);

}




@end

- (id)initWithThickness:(double)thickness andCapWidth:(double)capWith
{
    self = [super init];
    if(self)
    {
        self.thickness = thickness;
        self.capWidth = capWidth;
    }
    return self;
}

draw2D *myView = [[draw2D alloc]initWithThickness: self.thicknessValue1 andCapWidth: self.capWidthValue1];

draw2D *myView = [[draw2D alloc]initWithThickness: self.thicknessValue1 andCapWidth: self.capWidthValue1];

- (id)initWithThickness:(double)thickness andCapWidth:(double)capWith
{
    self = [super init];
    if(self)
    {
        thicknessValue2 = self.thicknessValue2;
        capWidthValue2 = self.capWidthValue2;

double thickness = thicknessValue2;
double capWidth = capWidthValue2;

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [datum setTransform:CGAffineTransformMakeRotation(M_PI / 2)];

    NSString *value =  [[NSString alloc] initWithFormat:@"%f", self.thicknessValue1];

    debug.text = value;

    draw2D *myView = [[draw2D alloc]initWithThickness: self.thicknessValue1 andCapWidth: self.capWidthValue1];

    // Now it will not go out of scope, as it will be added to the
    // viewControllers view property
    [self.view addSubview:myview];

    NSLog(@"First Logs");
    NSLog(@"%f",myView.thicknessValue2);
    NSLog(@"%f",myView.capWidthValue2);
    NSLog(@"END FIRST LOGS");
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSLog(@"Before init");
    Draw2d *myView = [[Draw2d alloc] initWithFrame:CGRectMake(0, 0, 320, 320) thickness:15.0 capwidth:17.5];
    NSLog(@"After init");
    [self.view addSubview:myView];
    NSLog(@"After placing on superview at x= 0, y = 0, width = 320, height = 320");
}

#import <UIKit/UIKit.h>

@interface Draw2d : UIView

@property (nonatomic, assign) double thickness;
@property (nonatomic, assign) double capWidth;

- (id)initWithFrame:(CGRect)frame thickness:(double)thickness capwidth:(double)capWidth;

@end

#import "Draw2d.h"

@implementation Draw2d

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
    }
    return self;
}

- (id)initWithFrame:(CGRect)frame thickness:(double)thickness capwidth:(double)capWidth
{
    self = [super initWithFrame:frame];
    if(self)
    {
        // Left side is property in .h
        // right side is the parameters passed into method
        self.thickness = thickness;
        self.capWidth = capWidth;
    }
    return self;
}

- (void)drawRect:(CGRect)rect
{
    NSLog(@"Passed in thickness: %f", self.thickness);
    NSLog(@"Passed in capWidth: %f", self.capWidth);
}


@end

2014-04-16 09:23:23.613 Before init
2014-04-16 09:23:23.613 After init
2014-04-16 09:23:23.613 After placing on superview at x= 0, y = 0, width = 320, height = 320
2014-04-16 09:23:23.615 Passed in thickness: 15.000000
2014-04-16 09:23:23.616 Passed in capWidth: 17.500000