How to I define constant values of UIColor?

Posted by mobibob on Stack Overflow See other posts from Stack Overflow or by mobibob
Published on 2010-04-27T03:26:08Z Indexed on 2010/04/27 3:33 UTC
Read the original article Hit count: 402

Filed under:

uicolor

|

const

|

objective-c

I want to do something like this, but I cannot get a cooperative syntax.

static const UIColor *colorNavbar = [UIColor colorWithRed: 197.0/255.0 green: 169.0/255.0 blue: 140.0/255.0 alpha: 1.0];

I suppose that I could define macros, but they are ugly.

© Stack Overflow or respective owner

Related posts about uicolor

How do I define constant values of UIColor?

as seen on Stack Overflow - Search for 'Stack Overflow'
I want to do something like this, but I cannot get a cooperative syntax. static const UIColor *colorNavbar = [UIColor colorWithRed: 197.0/255.0 green: 169.0/255.0 blue: 140.0/255.0 alpha: 1.0]; I suppose that I could define macros, but they are ugly. >>> More
How to I define constant values of UIColor?

as seen on Stack Overflow - Search for 'Stack Overflow'
I want to do something like this, but I cannot get a cooperative syntax. static const UIColor *colorNavbar = [UIColor colorWithRed: 197.0/255.0 green: 169.0/255.0 blue: 140.0/255.0 alpha: 1.0]; I suppose that I could define macros, but they are ugly. >>> More
Anomalous results getting color components of some UIColors

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to extract the rgb components of a UIColor in order to hand-build the pixels in a CGBitmapContext. The following sample code works fine for most of the UIColor constants but, confusingly, not all. To wit: CGColorRef color = [[UIColor yellowColor] CGColor]; const float* rgba = CGColorGetComponents(color); float… >>> More
Objective C defining UIColor constants

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I have a iPhone application with a few custom-defined colors for my theme. Since these colors will be fixed for my UI, I would like to define the colors in a class to be included (Constants.h and Constants.m). How do I do that? (Simply defining them does not work because UIColors are mutable… >>> More
iPad UIColor Saturation Issues

as seen on Stack Overflow - Search for 'Stack Overflow'
I am trying to draw a UIColor on the screen of a view-based app, and I am trying to do so using HSB. It is absolutely necessary for me to use HSB in this case. I can create a UIColor object with any S value from 0.0f to 0.75f, but past that the numerical changes have no effect on the actual saturation… >>> More

Related posts about const

what is the difference between const int*, const int * const, int const *

as seen on Stack Overflow - Search for 'Stack Overflow'
I always mess up how to use it correctly. Is there a set of rules defining what you can and cannot do? I want to know all the Do's and all DoNOTs in terms of assignments, passing to the functions, etc. Thanks >>> More
Modifying a const through a non-const pointer

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm a bit confused what happened in the following code: const int e = 2; int* w = ( int* ) &e; // (1) cast to remove const-ness *w = 5; // (2) cout << *w << endl; // (3) outputs 5 cout << e << endl; // (4) outputs 2 cout… >>> More
What is the best Broadphase Interface for moving spheres?

as seen on Game Development - Search for 'Game Development'
As of now I am working on optimizing the performance of the physics and collision, and as of now I am having some slowdowns on my other computers from my main. I have well over 3000 btSphereShape Rigidbodies and 2/3 of them do not move at all, but I am noticing(by the profile below) that collision… >>> More
Template inheritence c++

as seen on Stack Overflow - Search for 'Stack Overflow'
I have made a template singleton class, I have also made a data structure that is templated. My question is; how do I make my templated data structure inherit from a singleton so you can only have one float type of this structure? I have tested both seperate and have found no problems. Code provided… >>> More
Higher order function « filter » in C++

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi all. I wanted to write a higher order function filter with C++. The code I have come up with so far is as follows: #include <iostream> #include <string> #include <functional> #include <algorithm> #include <vector> #include <list> #include <iterator> using… >>> More