levinunnink · jay18001 · Mar 25, 2014
diff --git a/Smooth Line View.xcodeproj/project.pbxproj b/Smooth Line View.xcodeproj/project.pbxproj
@@ -8,7 +8,6 @@
 
 /* Begin PBXBuildFile section */
 		5EF58F54189D8AF40024C782 /* Default-568h@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 5EF58F53189D8AF40024C782 /* Default-568h@2x.png */; };
-		6B250CCD13F9ED20002A5D9D /* SmoothLineView.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B250CCC13F9ED20002A5D9D /* SmoothLineView.m */; };
 		6B8244E614E0FF67007F2487 /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6B250CCF13FA2127002A5D9D /* QuartzCore.framework */; };
 		6B93BE6F13F3374200DFAB23 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6B93BE6E13F3374200DFAB23 /* UIKit.framework */; };
 		6B93BE7113F3374200DFAB23 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6B93BE7013F3374200DFAB23 /* Foundation.framework */; };
@@ -17,14 +16,13 @@
 		6B93BE7B13F3374200DFAB23 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B93BE7A13F3374200DFAB23 /* main.m */; };
 		6B93BE7F13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B93BE7E13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.m */; };
 		6B93BE8213F3374200DFAB23 /* MainWindow.xib in Resources */ = {isa = PBXBuildFile; fileRef = 6B93BE8013F3374200DFAB23 /* MainWindow.xib */; };
-		6B93BE8513F3374200DFAB23 /* Smooth_Line_ViewViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B93BE8413F3374200DFAB23 /* Smooth_Line_ViewViewController.m */; };
-		6BA2EACC15E7F21C009779C5 /* Smooth_Line_ViewViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 6BA2EACB15E7F21C009779C5 /* Smooth_Line_ViewViewController.xib */; };
+		D0D210CA18E24618003422D9 /* Smooth_Line_ViewViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D0D210C618E24618003422D9 /* Smooth_Line_ViewViewController.m */; };
+		D0D210CB18E24618003422D9 /* Smooth_Line_ViewViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = D0D210C718E24618003422D9 /* Smooth_Line_ViewViewController.xib */; };
+		D0D210CC18E24618003422D9 /* SmoothLineView.m in Sources */ = {isa = PBXBuildFile; fileRef = D0D210C918E24618003422D9 /* SmoothLineView.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
 		5EF58F53189D8AF40024C782 /* Default-568h@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-568h@2x.png"; sourceTree = "<group>"; };
-		6B250CCB13F9ED20002A5D9D /* SmoothLineView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SmoothLineView.h; sourceTree = "<group>"; };
-		6B250CCC13F9ED20002A5D9D /* SmoothLineView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SmoothLineView.m; sourceTree = "<group>"; };
 		6B250CCF13FA2127002A5D9D /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		6B93BE6A13F3374200DFAB23 /* Smooth Line View.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Smooth Line View.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		6B93BE6E13F3374200DFAB23 /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
@@ -37,9 +35,11 @@
 		6B93BE7D13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Smooth_Line_ViewAppDelegate.h; sourceTree = "<group>"; };
 		6B93BE7E13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Smooth_Line_ViewAppDelegate.m; sourceTree = "<group>"; };
 		6B93BE8113F3374200DFAB23 /* en */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = en; path = en.lproj/MainWindow.xib; sourceTree = "<group>"; };
-		6B93BE8313F3374200DFAB23 /* Smooth_Line_ViewViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Smooth_Line_ViewViewController.h; sourceTree = "<group>"; };
-		6B93BE8413F3374200DFAB23 /* Smooth_Line_ViewViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Smooth_Line_ViewViewController.m; sourceTree = "<group>"; };
-		6BA2EACB15E7F21C009779C5 /* Smooth_Line_ViewViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = Smooth_Line_ViewViewController.xib; sourceTree = "<group>"; };
+		D0D210C518E24618003422D9 /* Smooth_Line_ViewViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Smooth_Line_ViewViewController.h; sourceTree = "<group>"; };
+		D0D210C618E24618003422D9 /* Smooth_Line_ViewViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Smooth_Line_ViewViewController.m; sourceTree = "<group>"; };
+		D0D210C718E24618003422D9 /* Smooth_Line_ViewViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = Smooth_Line_ViewViewController.xib; sourceTree = "<group>"; };
+		D0D210C818E24618003422D9 /* SmoothLineView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SmoothLineView.h; sourceTree = "<group>"; };
+		D0D210C918E24618003422D9 /* SmoothLineView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SmoothLineView.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -92,11 +92,11 @@
 				6B93BE7D13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.h */,
 				6B93BE7E13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.m */,
 				6B93BE8013F3374200DFAB23 /* MainWindow.xib */,
-				6B93BE8313F3374200DFAB23 /* Smooth_Line_ViewViewController.h */,
-				6B93BE8413F3374200DFAB23 /* Smooth_Line_ViewViewController.m */,
-				6BA2EACB15E7F21C009779C5 /* Smooth_Line_ViewViewController.xib */,
-				6B250CCB13F9ED20002A5D9D /* SmoothLineView.h */,
-				6B250CCC13F9ED20002A5D9D /* SmoothLineView.m */,
+				D0D210C518E24618003422D9 /* Smooth_Line_ViewViewController.h */,
+				D0D210C618E24618003422D9 /* Smooth_Line_ViewViewController.m */,
+				D0D210C718E24618003422D9 /* Smooth_Line_ViewViewController.xib */,
+				D0D210C818E24618003422D9 /* SmoothLineView.h */,
+				D0D210C918E24618003422D9 /* SmoothLineView.m */,
 				6B93BE7513F3374200DFAB23 /* Supporting Files */,
 			);
 			path = "Smooth Line View";
@@ -165,9 +165,9 @@
 			buildActionMask = 2147483647;
 			files = (
 				6B93BE7913F3374200DFAB23 /* InfoPlist.strings in Resources */,
+				D0D210CB18E24618003422D9 /* Smooth_Line_ViewViewController.xib in Resources */,
 				5EF58F54189D8AF40024C782 /* Default-568h@2x.png in Resources */,
 				6B93BE8213F3374200DFAB23 /* MainWindow.xib in Resources */,
-				6BA2EACC15E7F21C009779C5 /* Smooth_Line_ViewViewController.xib in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -178,10 +178,10 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D0D210CC18E24618003422D9 /* SmoothLineView.m in Sources */,
 				6B93BE7B13F3374200DFAB23 /* main.m in Sources */,
+				D0D210CA18E24618003422D9 /* Smooth_Line_ViewViewController.m in Sources */,
 				6B93BE7F13F3374200DFAB23 /* Smooth_Line_ViewAppDelegate.m in Sources */,
-				6B93BE8513F3374200DFAB23 /* Smooth_Line_ViewViewController.m in Sources */,
-				6B250CCD13F9ED20002A5D9D /* SmoothLineView.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -263,7 +263,7 @@
 				INFOPLIST_FILE = "Smooth Line View/Smooth Line View-Info.plist";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
-				"PROVISIONING_PROFILE[sdk=iphoneos*]" = "C4486A19-69DA-4716-9E18-6EB2EB68880F";
+				"PROVISIONING_PROFILE[sdk=iphoneos*]" = "";
 				TARGETED_DEVICE_FAMILY = "1,2";
 				WRAPPER_EXTENSION = app;
 			};

diff --git a/Smooth Line View/SmoothLineView.h b/Smooth Line View/SmoothLineView.h
@@ -26,14 +26,13 @@
 
 #import <UIKit/UIKit.h>
 
-
-
 @interface SmoothLineView : UIView 
 
 @property (nonatomic, strong) UIColor *lineColor;
 @property (nonatomic, assign) CGFloat lineWidth;
 @property (nonatomic, assign) BOOL empty;
-
+-(void)loadPath;
+-(void)savePath;
 -(void)clear;
 
 @end
diff --git a/Smooth Line View/SmoothLineView.m b/Smooth Line View/SmoothLineView.m
@@ -29,7 +29,7 @@
 
 #define DEFAULT_COLOR               [UIColor blackColor]
 #define DEFAULT_WIDTH               5.0f
-#define DEFAULT_BACKGROUND_COLOR    [UIColor whiteColor]
+#define DEFAULT_BACKGROUND_COLOR    [UIColor clearColor]
 
 static const CGFloat kPointMinDistance = 5.0f;
 static const CGFloat kPointMinDistanceSquared = kPointMinDistance * kPointMinDistance;
@@ -38,6 +38,7 @@ @interface SmoothLineView ()
 @property (nonatomic,assign) CGPoint currentPoint;
 @property (nonatomic,assign) CGPoint previousPoint;
 @property (nonatomic,assign) CGPoint previousPreviousPoint;
+@property (nonatomic, retain) NSMutableArray* points;
 
 #pragma mark Private Helper function
 CGPoint midPoint(CGPoint p1, CGPoint p2);
@@ -49,25 +50,49 @@ @implementation SmoothLineView {
 }
 
 #pragma mark UIView lifecycle methods
-
+- (void) encodeWithCoder:(NSCoder *)aCoder {
+    UIBezierPath *test = [[UIBezierPath alloc] init];
+    test.CGPath = _path;
+    [aCoder encodeObject:test forKey:@"path"];
+}
 - (id)initWithCoder:(NSCoder *)aDecoder {
-  self = [super initWithCoder:aDecoder];
+  self = [super init];
 
   if (self) {
     // NOTE: do not change the backgroundColor here, so it can be set in IB.
-		_path = CGPathCreateMutable();
-    _lineWidth = DEFAULT_WIDTH;
-    _lineColor = DEFAULT_COLOR;
-    _empty = YES;
+      _path = CGPathCreateMutable();
+      _lineWidth = 5.0f;
+      _lineColor = [UIColor blackColor];
   }
 
   return self;
 }
+-(void)savePath {
+    UIBezierPath *savePath = [[UIBezierPath alloc] init];
+    savePath.CGPath = _path;
+    NSMutableData *saveData = [[NSMutableData alloc] init];
+    NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:saveData];
+    [archiver encodeObject:savePath forKey:@"path"];
+    [archiver finishEncoding];
+
+    NSString *path = [[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"path.p"];
+    [saveData writeToFile:path atomically:YES];
+}
+-(void)loadPath {
+    NSString *filePath = [[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"path.p"];
+    NSData* bytesData = [NSData dataWithContentsOfFile:filePath];
+    NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:bytesData];
+    UIBezierPath *savePath = [unarchiver decodeObjectForKey:@"path"];
+    CGPathAddPath(_path, NULL, savePath.CGPath);
+    [self setNeedsDisplay];
+}
 
 - (id)initWithFrame:(CGRect)frame {
   self = [super initWithFrame:frame];
 
   if (self) {
+
+      self.points = [[NSMutableArray alloc] init];
     self.backgroundColor = DEFAULT_BACKGROUND_COLOR;
 		_path = CGPathCreateMutable();
     _lineWidth = DEFAULT_WIDTH;
@@ -85,7 +110,7 @@ - (void)drawRect:(CGRect)rect {
 
   // get the graphics context and draw the path
   CGContextRef context = UIGraphicsGetCurrentContext();
-	CGContextAddPath(context, _path);
+  CGContextAddPath(context, _path);
   CGContextSetLineCap(context, kCGLineCapRound);
   CGContextSetLineWidth(context, self.lineWidth);
   CGContextSetStrokeColorWithColor(context, self.lineColor.CGColor);
@@ -143,31 +168,37 @@ - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
 
   // to represent the finger movement, create a new path segment,
   // a quadratic bezier path from mid1 to mid2, using previous as a control point
-  CGMutablePathRef subpath = CGPathCreateMutable();
-  CGPathMoveToPoint(subpath, NULL, mid1.x, mid1.y);
-  CGPathAddQuadCurveToPoint(subpath, NULL,
-                            self.previousPoint.x, self.previousPoint.y,
-                            mid2.x, mid2.y);
-
-  // compute the rect containing the new segment plus padding for drawn line
-  CGRect bounds = CGPathGetBoundingBox(subpath);
-  CGRect drawBox = CGRectInset(bounds, -2.0 * self.lineWidth, -2.0 * self.lineWidth);
-
-  // append the quad curve to the accumulated path so far.
+  [self setNeedsDisplayInRect:[self addPointToLine:mid1 mid2:mid2]];
+}
+-(CGRect) addPointToLine:(CGPoint)mid1 mid2:(CGPoint)mid2 {
+    CGMutablePathRef subpath = CGPathCreateMutable();
+    CGPathMoveToPoint(subpath, NULL, mid1.x, mid1.y);
+    CGPathAddQuadCurveToPoint(subpath, NULL,
+                              self.previousPoint.x, self.previousPoint.y,
+                              mid2.x, mid2.y);
+
+    // compute the rect containing the new segment plus padding for drawn line
+    CGRect bounds = CGPathGetBoundingBox(subpath);
+    CGRect drawBox = CGRectInset(bounds, -2.0 * self.lineWidth, -2.0 * self.lineWidth);
+
+    // append the quad curve to the accumulated path so far.
 	CGPathAddPath(_path, NULL, subpath);
 	CGPathRelease(subpath);
 
-  [self setNeedsDisplayInRect:drawBox];
+    return drawBox;
 }
-
 #pragma mark interface
 
 -(void)clear {
-  CGMutablePathRef oldPath = _path;
+    CGMutablePathRef oldPath = _path;
   CFRelease(oldPath);
   _path = CGPathCreateMutable();
   [self setNeedsDisplay];
+
+
 }
 
+
+
 @end
 
diff --git a/Smooth Line View/Smooth_Line_ViewViewController.h b/Smooth Line View/Smooth_Line_ViewViewController.h
@@ -28,4 +28,6 @@
 #import <UIKit/UIKit.h>
 #import "SmoothLineView.h"
 
-@interface Smooth_Line_ViewViewController : UIViewController @end
+@interface Smooth_Line_ViewViewController : UIViewController
+
+@end
diff --git a/Smooth Line View/Smooth_Line_ViewViewController.m b/Smooth Line View/Smooth_Line_ViewViewController.m
@@ -30,26 +30,50 @@
 #import <CoreMotion/CoreMotion.h>
 
 @interface Smooth_Line_ViewViewController ()
+@property (strong, nonatomic) IBOutlet UIView *canvasView;
 @property (nonatomic) SmoothLineView * canvas;
 @end
 
 @implementation Smooth_Line_ViewViewController
 
 - (void)viewDidLoad
 {
-  SmoothLineView * smoothLineView =[[SmoothLineView alloc] initWithFrame:self.view.bounds ];
-  self.canvas = smoothLineView;
-  [self.view addSubview:smoothLineView];
+
+    SmoothLineView * smoothLineView = [[SmoothLineView alloc] initWithFrame:CGRectMake(0, 0,
+                                                                                       self.view.frame.size.width,
+                                                                                    self.view.frame.size.height)];
+    self.canvas = smoothLineView;
+    [self.canvasView addSubview:smoothLineView];
+
 }
 
 -(BOOL)canBecomeFirstResponder {
-  return YES;
+    return YES;
+}
+- (IBAction)buttonDown:(id)sender {
+
+    [self.canvas clear];
 }
 
 -(void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event
 {
-  [self.canvas clear];
+    [self.canvas clear];
+}
+
+- (IBAction)savePressed:(id)sender {
+
+    [self.canvas savePath];
+
+
 }
+
+- (IBAction)loadPressed:(id)sender {
+
+    [self.canvas loadPath];
+
+}
+
+
 @end