├── .gitignore
├── Demo-CustomQRCode.xcodeproj
    ├── project.pbxproj
    └── project.xcworkspace
    │   └── contents.xcworkspacedata
├── Demo-CustomQRCode
    ├── AppDelegate.h
    ├── AppDelegate.m
    ├── Assets.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── CustomQRCode.h
    ├── CustomQRCode.m
    ├── Info.plist
    ├── ViewController.h
    ├── ViewController.m
    └── main.m
├── README.md
└── ScreenShot.png


/.gitignore:
--------------------------------------------------------------------------------
1 | build
2 | Demo-CustomQRCode.xcodeproj/xcuserdata
3 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
  1 | // !$*UTF8*$!
  2 | {
  3 | 	archiveVersion = 1;
  4 | 	classes = {
  5 | 	};
  6 | 	objectVersion = 46;
  7 | 	objects = {
  8 | 
  9 | /* Begin PBXBuildFile section */
 10 | 		CBC754ED1D6AEFCB001A498D /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = CBC754EC1D6AEFCB001A498D /* main.m */; };
 11 | 		CBC754F01D6AEFCB001A498D /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = CBC754EF1D6AEFCB001A498D /* AppDelegate.m */; };
 12 | 		CBC754F31D6AEFCB001A498D /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = CBC754F21D6AEFCB001A498D /* ViewController.m */; };
 13 | 		CBC754F61D6AEFCB001A498D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CBC754F41D6AEFCB001A498D /* Main.storyboard */; };
 14 | 		CBC754F81D6AEFCB001A498D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CBC754F71D6AEFCB001A498D /* Assets.xcassets */; };
 15 | 		CBC754FB1D6AEFCB001A498D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CBC754F91D6AEFCB001A498D /* LaunchScreen.storyboard */; };
 16 | 		CBC755041D6AF4A5001A498D /* CustomQRCode.m in Sources */ = {isa = PBXBuildFile; fileRef = CBC755031D6AF4A5001A498D /* CustomQRCode.m */; };
 17 | /* End PBXBuildFile section */
 18 | 
 19 | /* Begin PBXFileReference section */
 20 | 		CBC754E81D6AEFCB001A498D /* Demo-CustomQRCode.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Demo-CustomQRCode.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 21 | 		CBC754EC1D6AEFCB001A498D /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 22 | 		CBC754EE1D6AEFCB001A498D /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 23 | 		CBC754EF1D6AEFCB001A498D /* AppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
 24 | 		CBC754F11D6AEFCB001A498D /* ViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ViewController.h; sourceTree = "<group>"; };
 25 | 		CBC754F21D6AEFCB001A498D /* ViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ViewController.m; sourceTree = "<group>"; };
 26 | 		CBC754F51D6AEFCB001A498D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 27 | 		CBC754F71D6AEFCB001A498D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 28 | 		CBC754FA1D6AEFCB001A498D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 29 | 		CBC754FC1D6AEFCB001A498D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 30 | 		CBC755021D6AF4A5001A498D /* CustomQRCode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CustomQRCode.h; sourceTree = "<group>"; };
 31 | 		CBC755031D6AF4A5001A498D /* CustomQRCode.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CustomQRCode.m; sourceTree = "<group>"; };
 32 | /* End PBXFileReference section */
 33 | 
 34 | /* Begin PBXFrameworksBuildPhase section */
 35 | 		CBC754E51D6AEFCB001A498D /* Frameworks */ = {
 36 | 			isa = PBXFrameworksBuildPhase;
 37 | 			buildActionMask = 2147483647;
 38 | 			files = (
 39 | 			);
 40 | 			runOnlyForDeploymentPostprocessing = 0;
 41 | 		};
 42 | /* End PBXFrameworksBuildPhase section */
 43 | 
 44 | /* Begin PBXGroup section */
 45 | 		CBC754DF1D6AEFCB001A498D = {
 46 | 			isa = PBXGroup;
 47 | 			children = (
 48 | 				CBC754EA1D6AEFCB001A498D /* Demo-CustomQRCode */,
 49 | 				CBC754E91D6AEFCB001A498D /* Products */,
 50 | 			);
 51 | 			sourceTree = "<group>";
 52 | 		};
 53 | 		CBC754E91D6AEFCB001A498D /* Products */ = {
 54 | 			isa = PBXGroup;
 55 | 			children = (
 56 | 				CBC754E81D6AEFCB001A498D /* Demo-CustomQRCode.app */,
 57 | 			);
 58 | 			name = Products;
 59 | 			sourceTree = "<group>";
 60 | 		};
 61 | 		CBC754EA1D6AEFCB001A498D /* Demo-CustomQRCode */ = {
 62 | 			isa = PBXGroup;
 63 | 			children = (
 64 | 				CBC754EE1D6AEFCB001A498D /* AppDelegate.h */,
 65 | 				CBC754EF1D6AEFCB001A498D /* AppDelegate.m */,
 66 | 				CBC754F11D6AEFCB001A498D /* ViewController.h */,
 67 | 				CBC754F21D6AEFCB001A498D /* ViewController.m */,
 68 | 				CBC754F41D6AEFCB001A498D /* Main.storyboard */,
 69 | 				CBC754F71D6AEFCB001A498D /* Assets.xcassets */,
 70 | 				CBC754F91D6AEFCB001A498D /* LaunchScreen.storyboard */,
 71 | 				CBC754FC1D6AEFCB001A498D /* Info.plist */,
 72 | 				CBC754EB1D6AEFCB001A498D /* Supporting Files */,
 73 | 				CBC755021D6AF4A5001A498D /* CustomQRCode.h */,
 74 | 				CBC755031D6AF4A5001A498D /* CustomQRCode.m */,
 75 | 			);
 76 | 			path = "Demo-CustomQRCode";
 77 | 			sourceTree = "<group>";
 78 | 		};
 79 | 		CBC754EB1D6AEFCB001A498D /* Supporting Files */ = {
 80 | 			isa = PBXGroup;
 81 | 			children = (
 82 | 				CBC754EC1D6AEFCB001A498D /* main.m */,
 83 | 			);
 84 | 			name = "Supporting Files";
 85 | 			sourceTree = "<group>";
 86 | 		};
 87 | /* End PBXGroup section */
 88 | 
 89 | /* Begin PBXNativeTarget section */
 90 | 		CBC754E71D6AEFCB001A498D /* Demo-CustomQRCode */ = {
 91 | 			isa = PBXNativeTarget;
 92 | 			buildConfigurationList = CBC754FF1D6AEFCB001A498D /* Build configuration list for PBXNativeTarget "Demo-CustomQRCode" */;
 93 | 			buildPhases = (
 94 | 				CBC754E41D6AEFCB001A498D /* Sources */,
 95 | 				CBC754E51D6AEFCB001A498D /* Frameworks */,
 96 | 				CBC754E61D6AEFCB001A498D /* Resources */,
 97 | 			);
 98 | 			buildRules = (
 99 | 			);
100 | 			dependencies = (
101 | 			);
102 | 			name = "Demo-CustomQRCode";
103 | 			productName = "Demo-CustomQRCode";
104 | 			productReference = CBC754E81D6AEFCB001A498D /* Demo-CustomQRCode.app */;
105 | 			productType = "com.apple.product-type.application";
106 | 		};
107 | /* End PBXNativeTarget section */
108 | 
109 | /* Begin PBXProject section */
110 | 		CBC754E01D6AEFCB001A498D /* Project object */ = {
111 | 			isa = PBXProject;
112 | 			attributes = {
113 | 				LastUpgradeCheck = 0730;
114 | 				ORGANIZATIONNAME = Yourtion;
115 | 				TargetAttributes = {
116 | 					CBC754E71D6AEFCB001A498D = {
117 | 						CreatedOnToolsVersion = 7.3.1;
118 | 					};
119 | 				};
120 | 			};
121 | 			buildConfigurationList = CBC754E31D6AEFCB001A498D /* Build configuration list for PBXProject "Demo-CustomQRCode" */;
122 | 			compatibilityVersion = "Xcode 3.2";
123 | 			developmentRegion = English;
124 | 			hasScannedForEncodings = 0;
125 | 			knownRegions = (
126 | 				en,
127 | 				Base,
128 | 			);
129 | 			mainGroup = CBC754DF1D6AEFCB001A498D;
130 | 			productRefGroup = CBC754E91D6AEFCB001A498D /* Products */;
131 | 			projectDirPath = "";
132 | 			projectRoot = "";
133 | 			targets = (
134 | 				CBC754E71D6AEFCB001A498D /* Demo-CustomQRCode */,
135 | 			);
136 | 		};
137 | /* End PBXProject section */
138 | 
139 | /* Begin PBXResourcesBuildPhase section */
140 | 		CBC754E61D6AEFCB001A498D /* Resources */ = {
141 | 			isa = PBXResourcesBuildPhase;
142 | 			buildActionMask = 2147483647;
143 | 			files = (
144 | 				CBC754FB1D6AEFCB001A498D /* LaunchScreen.storyboard in Resources */,
145 | 				CBC754F81D6AEFCB001A498D /* Assets.xcassets in Resources */,
146 | 				CBC754F61D6AEFCB001A498D /* Main.storyboard in Resources */,
147 | 			);
148 | 			runOnlyForDeploymentPostprocessing = 0;
149 | 		};
150 | /* End PBXResourcesBuildPhase section */
151 | 
152 | /* Begin PBXSourcesBuildPhase section */
153 | 		CBC754E41D6AEFCB001A498D /* Sources */ = {
154 | 			isa = PBXSourcesBuildPhase;
155 | 			buildActionMask = 2147483647;
156 | 			files = (
157 | 				CBC754F31D6AEFCB001A498D /* ViewController.m in Sources */,
158 | 				CBC754F01D6AEFCB001A498D /* AppDelegate.m in Sources */,
159 | 				CBC755041D6AF4A5001A498D /* CustomQRCode.m in Sources */,
160 | 				CBC754ED1D6AEFCB001A498D /* main.m in Sources */,
161 | 			);
162 | 			runOnlyForDeploymentPostprocessing = 0;
163 | 		};
164 | /* End PBXSourcesBuildPhase section */
165 | 
166 | /* Begin PBXVariantGroup section */
167 | 		CBC754F41D6AEFCB001A498D /* Main.storyboard */ = {
168 | 			isa = PBXVariantGroup;
169 | 			children = (
170 | 				CBC754F51D6AEFCB001A498D /* Base */,
171 | 			);
172 | 			name = Main.storyboard;
173 | 			sourceTree = "<group>";
174 | 		};
175 | 		CBC754F91D6AEFCB001A498D /* LaunchScreen.storyboard */ = {
176 | 			isa = PBXVariantGroup;
177 | 			children = (
178 | 				CBC754FA1D6AEFCB001A498D /* Base */,
179 | 			);
180 | 			name = LaunchScreen.storyboard;
181 | 			sourceTree = "<group>";
182 | 		};
183 | /* End PBXVariantGroup section */
184 | 
185 | /* Begin XCBuildConfiguration section */
186 | 		CBC754FD1D6AEFCB001A498D /* Debug */ = {
187 | 			isa = XCBuildConfiguration;
188 | 			buildSettings = {
189 | 				ALWAYS_SEARCH_USER_PATHS = NO;
190 | 				CLANG_ANALYZER_NONNULL = YES;
191 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
192 | 				CLANG_CXX_LIBRARY = "libc++";
193 | 				CLANG_ENABLE_MODULES = YES;
194 | 				CLANG_ENABLE_OBJC_ARC = YES;
195 | 				CLANG_WARN_BOOL_CONVERSION = YES;
196 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
197 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
198 | 				CLANG_WARN_EMPTY_BODY = YES;
199 | 				CLANG_WARN_ENUM_CONVERSION = YES;
200 | 				CLANG_WARN_INT_CONVERSION = YES;
201 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
202 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
203 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
204 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
205 | 				COPY_PHASE_STRIP = NO;
206 | 				DEBUG_INFORMATION_FORMAT = dwarf;
207 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
208 | 				ENABLE_TESTABILITY = YES;
209 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
210 | 				GCC_DYNAMIC_NO_PIC = NO;
211 | 				GCC_NO_COMMON_BLOCKS = YES;
212 | 				GCC_OPTIMIZATION_LEVEL = 0;
213 | 				GCC_PREPROCESSOR_DEFINITIONS = (
214 | 					"DEBUG=1",
215 | 					"$(inherited)",
216 | 				);
217 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
218 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
219 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
220 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
221 | 				GCC_WARN_UNUSED_FUNCTION = YES;
222 | 				GCC_WARN_UNUSED_VARIABLE = YES;
223 | 				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
224 | 				MTL_ENABLE_DEBUG_INFO = YES;
225 | 				ONLY_ACTIVE_ARCH = YES;
226 | 				SDKROOT = iphoneos;
227 | 				TARGETED_DEVICE_FAMILY = "1,2";
228 | 			};
229 | 			name = Debug;
230 | 		};
231 | 		CBC754FE1D6AEFCB001A498D /* Release */ = {
232 | 			isa = XCBuildConfiguration;
233 | 			buildSettings = {
234 | 				ALWAYS_SEARCH_USER_PATHS = NO;
235 | 				CLANG_ANALYZER_NONNULL = YES;
236 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
237 | 				CLANG_CXX_LIBRARY = "libc++";
238 | 				CLANG_ENABLE_MODULES = YES;
239 | 				CLANG_ENABLE_OBJC_ARC = YES;
240 | 				CLANG_WARN_BOOL_CONVERSION = YES;
241 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
242 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
243 | 				CLANG_WARN_EMPTY_BODY = YES;
244 | 				CLANG_WARN_ENUM_CONVERSION = YES;
245 | 				CLANG_WARN_INT_CONVERSION = YES;
246 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
247 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
248 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
249 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
250 | 				COPY_PHASE_STRIP = NO;
251 | 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
252 | 				ENABLE_NS_ASSERTIONS = NO;
253 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
254 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
255 | 				GCC_NO_COMMON_BLOCKS = YES;
256 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
257 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
258 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
259 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
260 | 				GCC_WARN_UNUSED_FUNCTION = YES;
261 | 				GCC_WARN_UNUSED_VARIABLE = YES;
262 | 				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
263 | 				MTL_ENABLE_DEBUG_INFO = NO;
264 | 				SDKROOT = iphoneos;
265 | 				TARGETED_DEVICE_FAMILY = "1,2";
266 | 				VALIDATE_PRODUCT = YES;
267 | 			};
268 | 			name = Release;
269 | 		};
270 | 		CBC755001D6AEFCB001A498D /* Debug */ = {
271 | 			isa = XCBuildConfiguration;
272 | 			buildSettings = {
273 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
274 | 				INFOPLIST_FILE = "Demo-CustomQRCode/Info.plist";
275 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
276 | 				PRODUCT_BUNDLE_IDENTIFIER = "com.yourtion.Demo-CustomQRCode";
277 | 				PRODUCT_NAME = "$(TARGET_NAME)";
278 | 			};
279 | 			name = Debug;
280 | 		};
281 | 		CBC755011D6AEFCB001A498D /* Release */ = {
282 | 			isa = XCBuildConfiguration;
283 | 			buildSettings = {
284 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
285 | 				INFOPLIST_FILE = "Demo-CustomQRCode/Info.plist";
286 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
287 | 				PRODUCT_BUNDLE_IDENTIFIER = "com.yourtion.Demo-CustomQRCode";
288 | 				PRODUCT_NAME = "$(TARGET_NAME)";
289 | 			};
290 | 			name = Release;
291 | 		};
292 | /* End XCBuildConfiguration section */
293 | 
294 | /* Begin XCConfigurationList section */
295 | 		CBC754E31D6AEFCB001A498D /* Build configuration list for PBXProject "Demo-CustomQRCode" */ = {
296 | 			isa = XCConfigurationList;
297 | 			buildConfigurations = (
298 | 				CBC754FD1D6AEFCB001A498D /* Debug */,
299 | 				CBC754FE1D6AEFCB001A498D /* Release */,
300 | 			);
301 | 			defaultConfigurationIsVisible = 0;
302 | 			defaultConfigurationName = Release;
303 | 		};
304 | 		CBC754FF1D6AEFCB001A498D /* Build configuration list for PBXNativeTarget "Demo-CustomQRCode" */ = {
305 | 			isa = XCConfigurationList;
306 | 			buildConfigurations = (
307 | 				CBC755001D6AEFCB001A498D /* Debug */,
308 | 				CBC755011D6AEFCB001A498D /* Release */,
309 | 			);
310 | 			defaultConfigurationIsVisible = 0;
311 | 			defaultConfigurationName = Release;
312 | 		};
313 | /* End XCConfigurationList section */
314 | 	};
315 | 	rootObject = CBC754E01D6AEFCB001A498D /* Project object */;
316 | }
317 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:Demo-CustomQRCode.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  Demo-CustomQRCode
 4 | //
 5 | //  Created by YourtionGuo on 8/22/16.
 6 | //  Copyright © 2016 Yourtion. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property (strong, nonatomic) UIWindow *window;
14 | 
15 | 
16 | @end
17 | 
18 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  Demo-CustomQRCode
 4 | //
 5 | //  Created by YourtionGuo on 8/22/16.
 6 | //  Copyright © 2016 Yourtion. All rights reserved.
 7 | //
 8 | 
 9 | #import "AppDelegate.h"
10 | 
11 | @interface AppDelegate ()
12 | 
13 | @end
14 | 
15 | @implementation AppDelegate
16 | 
17 | 
18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
19 |     // Override point for customization after application launch.
20 |     return YES;
21 | }
22 | 
23 | - (void)applicationWillResignActive:(UIApplication *)application {
24 |     // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
25 |     // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
26 | }
27 | 
28 | - (void)applicationDidEnterBackground:(UIApplication *)application {
29 |     // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
30 |     // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
31 | }
32 | 
33 | - (void)applicationWillEnterForeground:(UIApplication *)application {
34 |     // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
35 | }
36 | 
37 | - (void)applicationDidBecomeActive:(UIApplication *)application {
38 |     // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
39 | }
40 | 
41 | - (void)applicationWillTerminate:(UIApplication *)application {
42 |     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
43 | }
44 | 
45 | @end
46 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "29x29",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "29x29",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "40x40",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "40x40",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "60x60",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "60x60",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "ipad",
35 |       "size" : "29x29",
36 |       "scale" : "1x"
37 |     },
38 |     {
39 |       "idiom" : "ipad",
40 |       "size" : "29x29",
41 |       "scale" : "2x"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "size" : "40x40",
46 |       "scale" : "1x"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "size" : "40x40",
51 |       "scale" : "2x"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "size" : "76x76",
56 |       "scale" : "1x"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "size" : "76x76",
61 |       "scale" : "2x"
62 |     }
63 |   ],
64 |   "info" : {
65 |     "version" : 1,
66 |     "author" : "xcode"
67 |   }
68 | }


--------------------------------------------------------------------------------
/Demo-CustomQRCode/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15G31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <deployment identifier="iOS"/>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15G31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <deployment identifier="iOS"/>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <subviews>
20 |                             <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="V2Q-vo-sVz">
21 |                                 <rect key="frame" x="150" y="150" width="300" height="300"/>
22 |                                 <constraints>
23 |                                     <constraint firstAttribute="width" constant="300" id="u3C-J7-lfE"/>
24 |                                     <constraint firstAttribute="height" constant="300" id="yWf-fk-Zes"/>
25 |                                 </constraints>
26 |                             </imageView>
27 |                         </subviews>
28 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
29 |                         <constraints>
30 |                             <constraint firstItem="V2Q-vo-sVz" firstAttribute="centerY" secondItem="8bC-Xf-vdC" secondAttribute="centerY" id="LgS-SQ-jxd"/>
31 |                             <constraint firstItem="V2Q-vo-sVz" firstAttribute="centerX" secondItem="8bC-Xf-vdC" secondAttribute="centerX" id="jgt-ET-GlT"/>
32 |                         </constraints>
33 |                     </view>
34 |                     <connections>
35 |                         <outlet property="qrcodeView" destination="V2Q-vo-sVz" id="d1v-AT-r9P"/>
36 |                     </connections>
37 |                 </viewController>
38 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
39 |             </objects>
40 |             <point key="canvasLocation" x="536" y="464"/>
41 |         </scene>
42 |     </scenes>
43 | </document>
44 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/CustomQRCode.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  CustomQRCode.h
 3 | //  Demo-CustomQRCode
 4 | //
 5 | //  Created by YourtionGuo on 8/22/16.
 6 | //  Copyright © 2016 Yourtion. All rights reserved.
 7 | //
 8 | 
 9 | #import <Foundation/Foundation.h>
10 | #import <UIKit/UIKit.h>
11 | 
12 | @interface CustomQRCode : NSObject
13 | 
14 | + (UIImage *)generateCustomQRCode:(NSString *)string andSize:(CGFloat)size andColor:(UIColor *)color;
15 | 
16 | + (void)setImageViewShadow:(UIImageView *)view;
17 | 
18 | + (CIImage *)createQRForString:(NSString *)qrString;
19 | + (UIImage *)createNonInterpolatedUIImageFormCIImage:(CIImage *)image withSize:(CGFloat)size;
20 | + (UIImage*)imageBlackToTransparent:(UIImage*)image withRed:(CGFloat)red andGreen:(CGFloat)green andBlue:(CGFloat)blue;
21 | 
22 | @end
23 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/CustomQRCode.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  CustomQRCode.m
  3 | //  Demo-CustomQRCode
  4 | //
  5 | //  Created by YourtionGuo on 8/22/16.
  6 | //  Copyright © 2016 Yourtion. All rights reserved.
  7 | //
  8 | 
  9 | #import "CustomQRCode.h"
 10 | 
 11 | @implementation CustomQRCode
 12 | 
 13 | + (UIImage *)generateCustomQRCode:(NSString *)string andSize:(CGFloat)size andColor:(UIColor *)color {
 14 |     UIImage *qrcode = [CustomQRCode createNonInterpolatedUIImageFormCIImage:[CustomQRCode createQRForString:string] withSize:size];
 15 |     const CGFloat *_components = CGColorGetComponents(color.CGColor);
 16 |     CGFloat red = _components[0] * 255.f;
 17 |     CGFloat green = _components[1] * 255.f;
 18 |     CGFloat blue = _components[2] * 255.f;
 19 |     return [CustomQRCode imageBlackToTransparent:qrcode withRed:red andGreen:green andBlue:blue];
 20 | }
 21 | 
 22 | + (void)setImageViewShadow:(UIImageView *)view {
 23 |     view.layer.shadowOffset = CGSizeMake(0, 2);
 24 |     view.layer.shadowRadius = 2;
 25 |     view.layer.shadowColor = [UIColor blackColor].CGColor;
 26 |     view.layer.shadowOpacity = 0.5;
 27 | }
 28 | 
 29 | #pragma mark - InterpolatedUIImage
 30 | + (UIImage *)createNonInterpolatedUIImageFormCIImage:(CIImage *)image withSize:(CGFloat)size {
 31 |     CGRect extent = CGRectIntegral(image.extent);
 32 |     CGFloat scale = MIN(size/CGRectGetWidth(extent), size/CGRectGetHeight(extent));
 33 |     // create a bitmap image that we'll draw into a bitmap context at the desired size;
 34 |     size_t width = CGRectGetWidth(extent) * scale;
 35 |     size_t height = CGRectGetHeight(extent) * scale;
 36 |     CGColorSpaceRef cs = CGColorSpaceCreateDeviceGray();
 37 |     CGContextRef bitmapRef = CGBitmapContextCreate(nil, width, height, 8, 0, cs, (CGBitmapInfo)kCGImageAlphaNone);
 38 |     CIContext *context = [CIContext contextWithOptions:nil];
 39 |     CGImageRef bitmapImage = [context createCGImage:image fromRect:extent];
 40 |     CGContextSetInterpolationQuality(bitmapRef, kCGInterpolationNone);
 41 |     CGContextScaleCTM(bitmapRef, scale, scale);
 42 |     CGContextDrawImage(bitmapRef, extent, bitmapImage);
 43 |     // Create an image with the contents of our bitmap
 44 |     CGImageRef scaledImage = CGBitmapContextCreateImage(bitmapRef);
 45 |     // Cleanup
 46 |     CGContextRelease(bitmapRef);
 47 |     CGImageRelease(bitmapImage);
 48 |     return [UIImage imageWithCGImage:scaledImage];
 49 | }
 50 | 
 51 | #pragma mark - QRCodeGenerator
 52 | + (CIImage *)createQRForString:(NSString *)qrString {
 53 |     // Need to convert the string to a UTF-8 encoded NSData object
 54 |     NSData *stringData = [qrString dataUsingEncoding:NSUTF8StringEncoding];
 55 |     // Create the filter
 56 |     CIFilter *qrFilter = [CIFilter filterWithName:@"CIQRCodeGenerator"];
 57 |     // Set the message content and error-correction level
 58 |     [qrFilter setValue:stringData forKey:@"inputMessage"];
 59 |     [qrFilter setValue:@"M" forKey:@"inputCorrectionLevel"];
 60 |     // Send the image back
 61 |     return qrFilter.outputImage;
 62 | }
 63 | 
 64 | #pragma mark - imageToTransparent
 65 | 
 66 | void ProviderReleaseData (void *info, const void *data, size_t size){
 67 |     free((void*)data);
 68 | }
 69 | 
 70 | + (UIImage*)imageBlackToTransparent:(UIImage*)image withRed:(CGFloat)red andGreen:(CGFloat)green andBlue:(CGFloat)blue{
 71 |     const int imageWidth = image.size.width;
 72 |     const int imageHeight = image.size.height;
 73 |     size_t      bytesPerRow = imageWidth * 4;
 74 |     uint32_t* rgbImageBuf = (uint32_t*)malloc(bytesPerRow * imageHeight);
 75 |     // create context
 76 |     CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
 77 |     CGContextRef context = CGBitmapContextCreate(rgbImageBuf, imageWidth, imageHeight, 8, bytesPerRow, colorSpace,
 78 |                                                  kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipLast);
 79 |     CGContextDrawImage(context, CGRectMake(0, 0, imageWidth, imageHeight), image.CGImage);
 80 |     // traverse pixe
 81 |     int pixelNum = imageWidth * imageHeight;
 82 |     uint32_t* pCurPtr = rgbImageBuf;
 83 |     for (int i = 0; i < pixelNum; i++, pCurPtr++){
 84 |         if ((*pCurPtr & 0xFFFFFF00) < 0x99999900){
 85 |             // change color
 86 |             uint8_t* ptr = (uint8_t*)pCurPtr;
 87 |             ptr[3] = red; //0~255
 88 |             ptr[2] = green;
 89 |             ptr[1] = blue;
 90 |         }else{
 91 |             uint8_t* ptr = (uint8_t*)pCurPtr;
 92 |             ptr[0] = 0;
 93 |         }
 94 |     }
 95 |     // context to image
 96 |     CGDataProviderRef dataProvider = CGDataProviderCreateWithData(NULL, rgbImageBuf, bytesPerRow * imageHeight, ProviderReleaseData);
 97 |     CGImageRef imageRef = CGImageCreate(imageWidth, imageHeight, 8, 32, bytesPerRow, colorSpace,
 98 |                                         kCGImageAlphaLast | kCGBitmapByteOrder32Little, dataProvider,
 99 |                                         NULL, true, kCGRenderingIntentDefault);
100 |     CGDataProviderRelease(dataProvider);
101 |     UIImage* resultUIImage = [UIImage imageWithCGImage:imageRef];
102 |     // release
103 |     CGImageRelease(imageRef);
104 |     CGContextRelease(context);
105 |     CGColorSpaceRelease(colorSpace);
106 |     return resultUIImage;
107 | }
108 | 
109 | @end
110 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UIRequiredDeviceCapabilities</key>
30 | 	<array>
31 | 		<string>armv7</string>
32 | 	</array>
33 | 	<key>UISupportedInterfaceOrientations</key>
34 | 	<array>
35 | 		<string>UIInterfaceOrientationPortrait</string>
36 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
37 | 		<string>UIInterfaceOrientationLandscapeRight</string>
38 | 	</array>
39 | 	<key>UISupportedInterfaceOrientations~ipad</key>
40 | 	<array>
41 | 		<string>UIInterfaceOrientationPortrait</string>
42 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
43 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
44 | 		<string>UIInterfaceOrientationLandscapeRight</string>
45 | 	</array>
46 | </dict>
47 | </plist>
48 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/ViewController.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.h
 3 | //  Demo-CustomQRCore
 4 | //
 5 | //  Created by YourtionGuo on 6/5/14.
 6 | //  Copyright (c) 2014 yourtion. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ViewController : UIViewController
12 | 
13 | 
14 | @end
15 | 
16 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/ViewController.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.m
 3 | //  Demo-CustomQRCore
 4 | //
 5 | //  Created by YourtionGuo on 6/5/14.
 6 | //  Copyright (c) 2014 yourtion. All rights reserved.
 7 | //
 8 | 
 9 | #import "ViewController.h"
10 | #import "CustomQRCode.h"
11 | 
12 | @interface ViewController ()
13 | @property (strong, nonatomic) IBOutlet UIImageView *qrcodeView;
14 | @end
15 | 
16 | @implementation ViewController
17 |             
18 | - (void)viewDidLoad {
19 |     [super viewDidLoad];
20 |     
21 |     // Do any additional setup after loading the view, typically from a nib.
22 |     
23 |     // Only one line
24 |     UIColor *customColor = [UIColor colorWithRed:60.f/255.f green:74.f/255.f blue:89.f/255.f alpha:1.f];
25 |     UIImage *customQrcode = [CustomQRCode generateCustomQRCode:@"http://blog.yourtion.com" andSize:250.f andColor:customColor];
26 |     
27 |     // Old method
28 | //    CIImage *qrcodeCg = [CustomQRCode createQRForString:@"http://blog.yourtion.com"];
29 | //    UIImage *qrcode = [CustomQRCode createNonInterpolatedUIImageFormCIImage:qrcodeCg withSize:250.0f];
30 | //    UIImage *customQrcode = [CustomQRCode imageBlackToTransparent:qrcode withRed:60.0f andGreen:74.0f andBlue:89.0f];
31 |     
32 |     self.qrcodeView.image = customQrcode;
33 |     // set shadow
34 |     [CustomQRCode setImageViewShadow:self.qrcodeView];
35 | //    self.qrcodeView.layer.shadowOffset = CGSizeMake(0, 2);
36 | //    self.qrcodeView.layer.shadowRadius = 2;
37 | //    self.qrcodeView.layer.shadowColor = [UIColor blackColor].CGColor;
38 | //    self.qrcodeView.layer.shadowOpacity = 0.5;
39 | }
40 | 
41 | - (void)didReceiveMemoryWarning {
42 |     [super didReceiveMemoryWarning];
43 |     // Dispose of any resources that can be recreated.
44 | }
45 | @end
46 | 


--------------------------------------------------------------------------------
/Demo-CustomQRCode/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  Demo-CustomQRCode
 4 | //
 5 | //  Created by YourtionGuo on 8/22/16.
 6 | //  Copyright © 2016 Yourtion. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import "AppDelegate.h"
11 | 
12 | int main(int argc, char * argv[]) {
13 |     @autoreleasepool {
14 |         return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
15 |     }
16 | }
17 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | Demo-CustomQRCode
 2 | =================
 3 | 
 4 | Demo for CustomQRCode( http://blog.yourtion.com/custom-cifilter-qrcode-generator.html )
 5 | 
 6 | Generate a colorful QRCode using CIFilter with Objective-C.
 7 | 
 8 | ScreenShot:
 9 | 
10 | ![](ScreenShot.png)
11 | 


--------------------------------------------------------------------------------
/ScreenShot.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/yourtion/Demo_CustomQRCode/66e546c8d5cccd548c6d2faf69fa1c960d7aa4d9/ScreenShot.png


--------------------------------------------------------------------------------