IOS gets the cmyk value of the UIColor object, and ios gets the uicolorcmyk

IOS gets the cmyk value of the UIColor object, and ios gets the uicolorcmyk

/**

* Obtain the CMYK string value of the UIColor object.

*/

-(NSString *) getCMYKStringValueByColor :( UIColor *) originColor {

// Method provided by the Colours class extension

NSDictionary * cmykDict = [selfgetCMYKValueByColor: originColor];

Return [NSStringstringWithFormat: @ "(% 0.2f, % 0.2f, % 0.2f, % 0.2f )",

[CmykDict [@ "C"] floatValue],

[CmykDict [@ "M"] floatValue],

[CmykDict [@ "Y"] floatValue],

[CmykDict [@ "K"] floatValue];

}

/**

* Obtain the cmyk value of the UIColor object.

*

* @ Return

*/

-(NSDictionary *) getCMYKValueByColor :( UIColor *) originColor

{

// Convert RGB to CMY

NSDictionary * rgb = [selfgetRGBDictionaryByColor: originColor];

CGFloat C = 1-[rgb [@ "R"] floatValue];

CGFloat M = 1-[rgb [@ "G"] floatValue];

CGFloat Y = 1-[rgb [@ "B"] floatValue];

// Find K

CGFloat K = MIN (1, MIN (C, MIN (Y, M )));

If (K = 1 ){

C = 0;

M = 0;

Y = 0;

}

Else {

Void (^ newCMYK) (CGFloat *);

NewCMYK = ^ (CGFloat * x ){

* X = (* x-K)/(1-K );

};

NewCMYK (& C );

NewCMYK (& M );

NewCMYK (& Y );

}

Return @ {@ "C": @ (C ),

@ "M": @ (M ),

@ "Y": @ (Y ),

@ "K": @ (K )};

}

/**

* Obtain the rgb value of the UIColor object.

*

* @ Return refers to the dictionary object that contains rgb values.

*/

-(NSDictionary *) getRGBDictionaryByColor :( UIColor *) originColor

{

CGFloat r = 0, g = 0, B = 0, a = 0;

If ([selfrespondsToSelector: @ selector (getRed: green: blue: alpha :)]) {

[OriginColorgetRed: & rgreen: & gblue: & balpha: & a];

}

Else {

ConstCGFloat * components = CGColorGetComponents (originColor. CGColor );

R = components [0];

G = components [1];

B = components [2];

A = components [3];

}

Return @ {@ "R": @ (r ),

@ "G": @ (g ),

@ "B": @ (B ),

@ "A": @ ()};

}