//==============================================================================

//

// InfColorIndicatorView.m

// InfColorPicker

//

// Created by Troy Gaul on 8/10/10.

//

// Copyright (c) 2011 InfinitApps LLC - http://infinitapps.com

// Some rights reserved: http://opensource.org/licenses/MIT

//

//==============================================================================

#import "InfColorIndicatorView.h"

//==============================================================================

@implementation InfColorIndicatorView

//------------------------------------------------------------------------------

@synthesize color;

//------------------------------------------------------------------------------

- (id) initWithFrame: (CGRect) frame

{

self = [ super initWithFrame: frame ];

if( self ) {

self.opaque = NO;

self.userInteractionEnabled = NO;

}

return self;

}

//------------------------------------------------------------------------------

- (void) dealloc

{

[ color release ];

[ super dealloc ];

}

//------------------------------------------------------------------------------

- (void) setColor: (UIColor*) newColor

{

if( ![ color isEqual: newColor ] ) {

[ color release ];

color = [ newColor retain ];

[ self setNeedsDisplay ];

}

}

//------------------------------------------------------------------------------

- (void) drawRect: (CGRect) rect

{

CGContextRef context = UIGraphicsGetCurrentContext();

CGPoint center = { CGRectGetMidX( self.bounds ), CGRectGetMidY( self.bounds ) };

CGFloat radius = CGRectGetMidX( self.bounds );

// Fill it:

CGContextAddArc( context, center.x, center.y, radius - 1.0f, 0.0f, 2.0f * (float) M_PI, YES );

[ self.color setFill ];

CGContextFillPath( context );

// Stroke it (black transucent, inner):

CGContextAddArc( context, center.x, center.y, radius - 1.0f, 0.0f, 2.0f * (float) M_PI, YES );

CGContextSetGrayStrokeColor( context, 0.0f, 0.5f );

CGContextSetLineWidth( context, 2.0f );

CGContextStrokePath( context );

// Stroke it (white, outer):

CGContextAddArc( context, center.x, center.y, radius - 2.0f, 0.0f, 2.0f * (float) M_PI, YES );

CGContextSetGrayStrokeColor( context, 1.0f, 1.0f );

CGContextSetLineWidth( context, 2.0f );

CGContextStrokePath( context );

}

//------------------------------------------------------------------------------

@end

//==============================================================================