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UIImage+imageWithColor.h

//
// Created by shiweifu on 14-1-8.
// Copyright (c) 2014 weifu. All rights reserved.
//


#import <Foundation/Foundation.h>

@interface UIImage (imageWithColor)

+ (UIImage *)imageWithColor:(UIColor *)color;
+ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size;

@end

UIImage+imageWithColor.m

//
// Created by shiweifu on 14-1-8.
// Copyright (c) 2014 weifu. All rights reserved.
//


#import "UIImage+imageWithColor.h"


@implementation UIImage (imageWithColor)

+ (UIImage *)imageWithColor:(UIColor *)color {
  CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
  UIGraphicsBeginImageContext(rect.size);
  CGContextRef context = UIGraphicsGetCurrentContext();

  CGContextSetFillColorWithColor(context, [color CGColor]);
  CGContextFillRect(context, rect);

  UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
  UIGraphicsEndImageContext();

  return image;
}

+ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size {
  CGRect rect = CGRectMake(0.0f, 0.0f, size.width, size.height);
  UIGraphicsBeginImageContext(rect.size);
  CGContextRef context = UIGraphicsGetCurrentContext();

  CGContextSetFillColorWithColor(context, [color CGColor]);
  CGContextFillRect(context, rect);

  UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
  UIGraphicsEndImageContext();

  return image;
}

@end

UIImage-imageWithColor.podspec

Pod::Spec.new do |s|
  s.name         = "UIImage-imageWithColor"
  s.version      = "0.1"
  s.summary      = "test gist"
  s.homepage     = "https://gist.github.com/shiweifu/8314215"
  s.author       = { "weifu shi" => "[email protected]" }
  s.platform     = :ios
  #s.source       = { :git => "git://gist.github.com/6009092.git", :tag => '0.1' }
  s.source       = { :git => "git://gist.github.com/8314215.git"}
  s.requires_arc = true
  s.ios.deployment_target = '5.0'
  s.source_files  = '*.{h,m}'
  s.license      = { :type => 'MIT', :file => 'LICENSE' }
end