update

C06/13-Image View Animations/main.m

@@ -18,38 +18,7 @@ @interface TestBedViewController : UIViewController
 
 @implementation TestBedViewController
 
-- (void) updateButterfly: (NSTimer *) timer
-{
-    [UIView animateWithDuration:0.6f animations:^(void){
-        butterflyView.center = [butterflyView randomCenterInView:self.view withInset:10.0f];        
-    }];
-}
-
-- (void) loadView
-{
-    [super loadView];
-    self.view.backgroundColor = [UIColor whiteColor];
-	self.navigationController.navigationBar.tintColor = COOKBOOK_PURPLE_COLOR;
-
-    // Load butterfly images
-	NSMutableArray *bflies = [NSMutableArray array];
-	for (int i = 1; i <= 17; i++)
-		[bflies addObject:[UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:[NSString stringWithFormat:@"bf_%d", i] ofType:@"png"]]];
-
-    butterflyView = [[UIImageView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 60.0f, 60.0f)]; 
-	butterflyView.animationImages = bflies;
-	butterflyView.animationDuration = 0.75f;
-	[self.view addSubview:butterflyView];
-	[butterflyView startAnimating];
-
-    [NSTimer scheduledTimerWithTimeInterval:3.0f target:self selector:@selector(updateButterfly:) userInfo:nil repeats:YES];
-}
-
-- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
-{
-	return YES;
-}
-@end
+w@end
 
 #pragma mark -
 

C08/03-Gesture Recognizers/DragView.h

@@ -6,6 +6,7 @@
 
 
 #import <UIKit/UIKit.h>
+#import "UIView-Transform.h"
 
 
 @interface DragView : UIImageView <UIGestureRecognizerDelegate>

C08/03-Gesture Recognizers/DragView.m

@@ -6,7 +6,6 @@
 
 #import "DragView.h"
 
-
 @implementation DragView
 - (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
 {
@@ -40,6 +39,8 @@ - (void) updateTransformWithOffset: (CGPoint) translation
 	self.transform = CGAffineTransformMakeTranslation(translation.x + tx, translation.y + ty);
 	self.transform = CGAffineTransformRotate(self.transform, theta);	
 	self.transform = CGAffineTransformScale(self.transform, scale, scale);
+
+    NSLog(@"Xscale: %f YScale: %f Rotation: %f", self.xscale, self.yscale, self.rotation * (180 / M_PI));
 }
 
 - (void) handlePan: (UIPanGestureRecognizer *) uigr

C08/03-Gesture Recognizers/HelloWorld.xcodeproj/project.pbxproj

@@ -19,6 +19,7 @@
 		8E3EA0E513AB9BB700D6C49B /* icon@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0E413AB9BB700D6C49B /* icon@2x.png */; };
 		8E3EA0E713AB9BBC00D6C49B /* icon.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0E613AB9BBC00D6C49B /* icon.png */; };
 		8EB86EC613D613D7005B2CD3 /* DragView.m in Sources */ = {isa = PBXBuildFile; fileRef = 8EB86EC513D613D7005B2CD3 /* DragView.m */; };
+		8EF11644155087E800B0DC44 /* UIView-Transform.m in Sources */ = {isa = PBXBuildFile; fileRef = 8EF11643155086F100B0DC44 /* UIView-Transform.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -38,6 +39,8 @@
 		8E3EA0E613AB9BBC00D6C49B /* icon.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = icon.png; sourceTree = "<group>"; };
 		8EB86EC413D613D7005B2CD3 /* DragView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DragView.h; sourceTree = "<group>"; };
 		8EB86EC513D613D7005B2CD3 /* DragView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DragView.m; sourceTree = "<group>"; };
+		8EF11642155086F100B0DC44 /* UIView-Transform.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "UIView-Transform.h"; sourceTree = "<group>"; };
+		8EF11643155086F100B0DC44 /* UIView-Transform.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "UIView-Transform.m"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -66,6 +69,8 @@
 			isa = PBXGroup;
 			children = (
 				29B97316FDCFA39411CA2CEA /* main.m */,
+				8EF11642155086F100B0DC44 /* UIView-Transform.h */,
+				8EF11643155086F100B0DC44 /* UIView-Transform.m */,
 				8EB86EC413D613D7005B2CD3 /* DragView.h */,
 				8EB86EC513D613D7005B2CD3 /* DragView.m */,
 				29B97317FDCFA39411CA2CEA /* Resources */,
@@ -178,6 +183,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				8EF11644155087E800B0DC44 /* UIView-Transform.m in Sources */,
 				1D60589B0D05DD56006BFB54 /* main.m in Sources */,
 				8EB86EC613D613D7005B2CD3 /* DragView.m in Sources */,
 			);

C08/03-Gesture Recognizers/UIView-Transform.h

@@ -0,0 +1,16 @@
+//
+//  UIView-Transform.h
+//  HelloWorld
+//
+//  Created by Erica Sadun on 5/1/12.
+//  Copyright (c) 2012 Up To No Good, Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+@interface UIView (Transform)
+@property (readonly) CGFloat rotation;
+@property (readonly) CGFloat xscale;
+@property (readonly) CGFloat yscale;
+@end

C08/03-Gesture Recognizers/UIView-Transform.m

@@ -0,0 +1,29 @@
+//
+//  UIView-Transform.m
+//  HelloWorld
+//
+//  Created by Erica Sadun on 5/1/12.
+//  Copyright (c) 2012 Up To No Good, Inc. All rights reserved.
+//
+
+#import "UIView-Transform.h"
+
+@implementation UIView (Transform)
+- (CGFloat) rotation
+{
+    CGAffineTransform t = self.transform;
+    return atan2f(t.b, t.a); 
+}
+
+- (CGFloat) xscale
+{
+    CGAffineTransform t = self.transform;
+    return sqrt(t.a * t.a + t.c * t.c);
+}
+
+- (CGFloat) yscale
+{
+    CGAffineTransform t = self.transform;
+    return sqrt(t.b * t.b + t.d * t.d);
+}
+@end

C09/01b-Wrap/HelloWorld.xcodeproj/project.pbxproj

@@ -11,10 +11,6 @@
 		1D60589F0D05DD5A006BFB54 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1D30AB110D05D00D00671497 /* Foundation.framework */; };
 		1DF5F4E00D08C38300B7A737 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1DF5F4DF0D08C38300B7A737 /* UIKit.framework */; };
 		288765A50DF7441C002DB57D /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 288765A40DF7441C002DB57D /* CoreGraphics.framework */; };
-		8E38B87413D9D3CC006B0481 /* green.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E38B87013D9D3CC006B0481 /* green.png */; };
-		8E38B87513D9D3CC006B0481 /* green2.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E38B87113D9D3CC006B0481 /* green2.png */; };
-		8E38B87613D9D3CC006B0481 /* red.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E38B87213D9D3CC006B0481 /* red.png */; };
-		8E38B87713D9D3CC006B0481 /* red2.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E38B87313D9D3CC006B0481 /* red2.png */; };
 		8E38B87A13D9D4E1006B0481 /* Geometry.m in Sources */ = {isa = PBXBuildFile; fileRef = 8E38B87913D9D4E1006B0481 /* Geometry.m */; };
 		8E3EA0DB13AB9B7800D6C49B /* Default-Portrait~ipad.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0DA13AB9B7800D6C49B /* Default-Portrait~ipad.png */; };
 		8E3EA0DD13AB9B9400D6C49B /* Default-Landscape~ipad.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0DC13AB9B9400D6C49B /* Default-Landscape~ipad.png */; };
@@ -23,6 +19,10 @@
 		8E3EA0E313AB9BB100D6C49B /* Default.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0E213AB9BB100D6C49B /* Default.png */; };
 		8E3EA0E513AB9BB700D6C49B /* icon@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0E413AB9BB700D6C49B /* icon@2x.png */; };
 		8E3EA0E713AB9BBC00D6C49B /* icon.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E3EA0E613AB9BBC00D6C49B /* icon.png */; };
+		8E6BED1515900BD10031D646 /* green-in.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E6BED1115900BD10031D646 /* green-in.png */; };
+		8E6BED1615900BD10031D646 /* green-out.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E6BED1215900BD10031D646 /* green-out.png */; };
+		8E6BED1715900BD10031D646 /* red-in.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E6BED1315900BD10031D646 /* red-in.png */; };
+		8E6BED1815900BD10031D646 /* red-out.png in Resources */ = {isa = PBXBuildFile; fileRef = 8E6BED1415900BD10031D646 /* red-out.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -33,10 +33,6 @@
 		29B97316FDCFA39411CA2CEA /* main.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 		32CA4F630368D1EE00C91783 /* HelloWorld_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HelloWorld_Prefix.pch; sourceTree = "<group>"; };
 		8D1107310486CEB800E47090 /* HelloWorld-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "HelloWorld-Info.plist"; plistStructureDefinitionIdentifier = "com.apple.xcode.plist.structure-definition.iphone.info-plist"; sourceTree = "<group>"; };
-		8E38B87013D9D3CC006B0481 /* green.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = green.png; sourceTree = "<group>"; };
-		8E38B87113D9D3CC006B0481 /* green2.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = green2.png; sourceTree = "<group>"; };
-		8E38B87213D9D3CC006B0481 /* red.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = red.png; sourceTree = "<group>"; };
-		8E38B87313D9D3CC006B0481 /* red2.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = red2.png; sourceTree = "<group>"; };
 		8E38B87813D9D4E1006B0481 /* Geometry.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Geometry.h; sourceTree = "<group>"; };
 		8E38B87913D9D4E1006B0481 /* Geometry.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Geometry.m; sourceTree = "<group>"; };
 		8E3EA0DA13AB9B7800D6C49B /* Default-Portrait~ipad.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-Portrait~ipad.png"; sourceTree = "<group>"; };
@@ -46,6 +42,10 @@
 		8E3EA0E213AB9BB100D6C49B /* Default.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = Default.png; sourceTree = "<group>"; };
 		8E3EA0E413AB9BB700D6C49B /* icon@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon@2x.png"; sourceTree = "<group>"; };
 		8E3EA0E613AB9BBC00D6C49B /* icon.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = icon.png; sourceTree = "<group>"; };
+		8E6BED1115900BD10031D646 /* green-in.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "green-in.png"; sourceTree = "<group>"; };
+		8E6BED1215900BD10031D646 /* green-out.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "green-out.png"; sourceTree = "<group>"; };
+		8E6BED1315900BD10031D646 /* red-in.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "red-in.png"; sourceTree = "<group>"; };
+		8E6BED1415900BD10031D646 /* red-out.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "red-out.png"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -107,10 +107,10 @@
 		8E38B86F13D9D3CC006B0481 /* Button Art */ = {
 			isa = PBXGroup;
 			children = (
-				8E38B87013D9D3CC006B0481 /* green.png */,
-				8E38B87113D9D3CC006B0481 /* green2.png */,
-				8E38B87213D9D3CC006B0481 /* red.png */,
-				8E38B87313D9D3CC006B0481 /* red2.png */,
+				8E6BED1115900BD10031D646 /* green-in.png */,
+				8E6BED1215900BD10031D646 /* green-out.png */,
+				8E6BED1315900BD10031D646 /* red-in.png */,
+				8E6BED1415900BD10031D646 /* red-out.png */,
 			);
 			name = "Button Art";
 			path = Art;
@@ -189,10 +189,10 @@
 				8E3EA0E313AB9BB100D6C49B /* Default.png in Resources */,
 				8E3EA0E513AB9BB700D6C49B /* icon@2x.png in Resources */,
 				8E3EA0E713AB9BBC00D6C49B /* icon.png in Resources */,
-				8E38B87413D9D3CC006B0481 /* green.png in Resources */,
-				8E38B87513D9D3CC006B0481 /* green2.png in Resources */,
-				8E38B87613D9D3CC006B0481 /* red.png in Resources */,
-				8E38B87713D9D3CC006B0481 /* red2.png in Resources */,
+				8E6BED1515900BD10031D646 /* green-in.png in Resources */,
+				8E6BED1615900BD10031D646 /* green-out.png in Resources */,
+				8E6BED1715900BD10031D646 /* red-in.png in Resources */,
+				8E6BED1815900BD10031D646 /* red-out.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

C09/01b-Wrap/main.m

@@ -12,10 +12,10 @@
 
 #define CAPWIDTH    110.0f
 #define INSETS      (UIEdgeInsets){0.0f, CAPWIDTH, 0.0f, CAPWIDTH}
-#define BASEGREEN   [[UIImage imageNamed:@"green.png"] resizableImageWithCapInsets:INSETS]
-#define ALTGREEN    [[UIImage imageNamed:@"green2.png"] resizableImageWithCapInsets:INSETS]
-#define BASERED     [[UIImage imageNamed:@"red.png"] resizableImageWithCapInsets:INSETS]
-#define ALTRED      [[UIImage imageNamed:@"red2.png"] resizableImageWithCapInsets:INSETS]
+#define BASEGREEN   [[UIImage imageNamed:@"green-out.png"] resizableImageWithCapInsets:INSETS]
+#define ALTGREEN    [[UIImage imageNamed:@"green-in.png"] resizableImageWithCapInsets:INSETS]
+#define BASERED     [[UIImage imageNamed:@"red-out.png"] resizableImageWithCapInsets:INSETS]
+#define ALTRED      [[UIImage imageNamed:@"red-in.png"] resizableImageWithCapInsets:INSETS]
 
 @interface TestBedViewController : UIViewController
 {
@@ -66,11 +66,13 @@ - (void) loadView
     [self toggleButton:button];
 
     // Let label handle carriage returns
-	button.titleLabel.font = [UIFont boldSystemFontOfSize:36.0f];
+	/* 
+     button.titleLabel.font = [UIFont boldSystemFontOfSize:36.0f];
 	[button setTitle:@"Lorem Ipsum Dolor Sit" forState: UIControlStateNormal];
 	
 	button.titleLabel.textAlignment = UITextAlignmentCenter;
 	button.titleLabel.lineBreakMode = UILineBreakModeWordWrap;	
+     */
 }
 
 - (void) viewDidAppear:(BOOL)animated