common.h

#import <Preferences/Preferences.h>

#define SK_LCL(str) [self localizedString:str]

#define SK_SYSTEM_TINT [UIColor colorWithRed:0 green:0.478431 blue:1 alpha:1]

#define SK_RSIMG(fn) [UIImage imageNamed:fn inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil]

#define SK_SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SK_SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SK_SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SK_SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SK_SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

@interface PSListController (SettingsKit)
-(UIView*)view;
-(UINavigationController*)navigationController;
-(void)viewWillAppear:(BOOL)animated;
-(void)viewWillDisappear:(BOOL)animated;
-(void)viewDidDisappear:(BOOL)animated;

- (void)presentViewController:(UIViewController *)viewControllerToPresent animated:(BOOL)flag completion:(void (^)(void))completion;
- (void)dismissViewControllerAnimated:(BOOL)flag completion:(void (^)(void))completion;
-(UINavigationController*)navigationController;

-(void)loadView;
@end

@interface UIImage (SettingsKit)
+ (UIImage *)imageNamed:(NSString *)named inBundle:(NSBundle *)bundle;
@end

@interface PSTableCell (SettingsKit)
@property (nonatomic) UIView *backgroundView;
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier specifier:(PSSpecifier *)specifier;
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier;

-(UILabel*)textLabel;
@end

@interface UIPreferencesTable : UITableView // wat
@end

@interface UIColor (SettingsKit)
- (BOOL)_isSimilarToColor:(UIColor *)color withinPercentage:(CGFloat)percentage;
@end

@implementation UIImage (Colored)

- (UIImage *)changeImageColor:(UIColor *)color {
    UIImage *img = self;
    // begin a new image context, to draw our colored image onto
    UIGraphicsBeginImageContextWithOptions(img.size, NO, [UIScreen mainScreen].scale);
    
    // get a reference to that context we created
    CGContextRef context = UIGraphicsGetCurrentContext();
    
    // set the fill color
    [color setFill];
    
    // translate/flip the graphics context (for transforming from CG* coords to UI* coords
    CGContextTranslateCTM(context, 0, img.size.height);
    CGContextScaleCTM(context, 1.0, -1.0);
    
    // set the blend mode to color burn, and the original image
    CGContextSetBlendMode(context, kCGBlendModeNormal);
    CGRect rect = CGRectMake(0, 0, img.size.width, img.size.height);
    CGContextDrawImage(context, rect, img.CGImage);
    
    // set a mask that matches the shape of the image, then draw (color burn) a colored rectangle
    CGContextClipToMask(context, rect, img.CGImage);
    CGContextAddRect(context, rect);
    CGContextDrawPath(context,kCGPathFill);
    
    // generate a new UIImage from the graphics context we drew onto
    UIImage *coloredImg = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    //return the color-burned image
    return coloredImg;
}

@end