Defining Colors. This example shows how to define colors and use them in 2 different ways. First, it shows that you can use the newly defined variable in your app. Second, it shows how to set a the default style of an object (i.e. here it is a label) so that all other objects of the same time take the same default color when they are initialized.

C4WorkSpace.m

//
//  C4WorkSpace.m
//  C4Code
//
//  Created by Travis Kirton on 11/4/2013.
//

//Defines set in "stone" a value for a variable
//These are best to put in C4Defines.h, but here they suffice for this example
#define UA_NAV_BAR_COLOR    [UIColor colorWithRed:0.96875 green:0.96875 blue:0.96875 alpha:1]
#define UA_NAV_CTRL_COLOR   [UIColor colorWithRed:0 green:0 blue:0 alpha:0]
#define UA_BUTTON_COLOR     [UIColor colorWithRed:0.8984275 green:0.8984275 blue:0.8984275 alpha:1]
#define UA_TYPE_COLOR       [UIColor colorWithRed:0.19921875 green:0.19921875 blue:0.19921875 alpha:1]
#define UA_OVERLAY_COLOR    [UIColor colorWithRed:0.19921875 green:0.19921875 blue:0.19921875 alpha:0.5]
#define UA_HIGHLIGHT_COLOR  [UIColor colorWithRed:0.757 green:0.964 blue:0.617 alpha:0.5]
#define UA_DARKEN_COLOR     [UIColor colorWithRed:0.19921875 green:0.19921875 blue:0.19921875 alpha:0.8]
#define UA_GREY_TYPE_COLOR  [UIColor colorWithRed:0.3984375 green:0.3984375 blue:0.3984375 alpha:1.0]

@implementation C4WorkSpace

-(void)setup {
    C4Shape *s = [C4Shape ellipse:CGRectMake(0, 0, 100, 100)];
    //now you don't need to pass the default colors between objects
    s.fillColor = UA_BUTTON_COLOR;
    s.strokeColor = UA_DARKEN_COLOR;

    //you can set the default colors of various objects
    //they will natively take this color when they are created
    [C4Label defaultStyle].textColor = UA_GREY_TYPE_COLOR;
    C4Label *l = [C4Label labelWithText:@"hello"];
    
    s.center = self.canvas.center;
    l.center = self.canvas.center;
    
    [self.canvas addObjects:@[s,l]];
}

@end