* Removed FTUtils so the samples can stand alone

* Added ShutterTransition example
* Added AdvancedShapeLayer example
* Added some Xcode 4 specific stuff to .gitignore

.gitignore

@@ -5,3 +5,5 @@ build
 *.mode1v3
 *.pbxuser
 *.perspectivev3
+CA360.xcodeproj/project.xcworkspace
+CA360.xcodeproj/xcuserdata

CA360_Prefix.pch

@@ -31,5 +31,5 @@
 #ifdef __OBJC__
     #import <Foundation/Foundation.h>
     #import <UIKit/UIKit.h>
-    #import "FTUtils/FTUtils.h"
+    #import "UsefulMacros.h"
 #endif

Classes/CA360AppDelegate.m

@@ -48,9 +48,9 @@ - (void)applicationDidFinishLaunching:(UIApplication *)application {
 #pragma mark Memory management
 
 - (void)dealloc {
-  FTRELEASE(rootViewController_);
-  FTRELEASE(navigationController_);
-  FTRELEASE(window_);
+  [rootViewController_ release], rootViewController_ = nil;
+  [navigationController_ release], navigationController_ = nil;
+  [window_ release], window_ = nil;
 	[super dealloc];
 }
 

Classes/Fun Stuff/BitmapFontCounter.m

@@ -8,8 +8,6 @@
 
 @implementation CounterView
 
-@synthesize number = number_;
-
 - (CounterView *)initWithNumber:(double)num {
   if (self = [super initWithFrame:CGRectMake(0.f, 0.f, kDigitWidth, kDigitHeight)]) {
     digitLayers_ = [[NSMutableArray alloc] init];
@@ -19,15 +17,19 @@ - (CounterView *)initWithNumber:(double)num {
 }
 
 - (void)dealloc {
-  FTRELEASE(numberString_);
-  FTRELEASE(digitLayers_);
+  [numberString_ release], numberString_ = nil;
+  [digitLayers_ release], digitLayers_ = nil;
   [super dealloc];
 }
 
+- (double)number {
+    return number_;
+}
+
 - (void)setNumber:(double)num {
   number_ = num;
   [digitLayers_ makeObjectsPerformSelector:@selector(removeFromSuperlayer)];
-  FTRELEASE(numberString_);
+  [numberString_ release], numberString_ = nil;
   numberString_ = [[NSString stringWithFormat:@"%.0F", num] retain];
 
   NSUInteger count = [numberString_ length];
@@ -99,9 +101,9 @@ - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
 }
 
 - (void)dealloc {
-  FTRELEASE(counter_);
-  FTRELEASE(textField_);
-  FTRELEASE(setNumberButton_);
+  [counter_ release], counter_ = nil;
+  [textField_ release], textField_ = nil;
+  [setNumberButton_ release], setNumberButton_ = nil;
   [super dealloc];
 }
 

Classes/Fun Stuff/ShutterTransition.h

@@ -0,0 +1,33 @@
+/*
+ The MIT License
+ 
+ Copyright (c) 2009 Free Time Studios and Nathan Eror
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+#import <UIKit/UIKit.h>
+#import <QuartzCore/QuartzCore.h>
+
+@interface ShutterTransition : UIViewController {
+  CALayer *mainLayer_;
+  UIButton *goButton_;
+}
+
+@end

Classes/Fun Stuff/ShutterTransition.m

@@ -0,0 +1,173 @@
+/*
+ The MIT License
+ 
+ Copyright (c) 2009 Free Time Studios and Nathan Eror
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+#import "ShutterTransition.h"
+
+#define USE_FLATTENED_LAYER 0
+#define BAND_COUNT 7
+
+@implementation ShutterTransition
+
++ (NSString *)friendlyName {
+  return @"Shutter Transition";
+}
+
+#pragma mark init and dealloc
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+  if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
+    self.title = [[self class] friendlyName];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  [goButton_ release], goButton_ = nil;
+  [mainLayer_ release], mainLayer_ = nil;
+  [super dealloc];
+}
+
+#pragma mark Load and unload the view
+
+- (void)viewDidLoad {
+  self.view.backgroundColor = [UIColor whiteColor];
+
+  mainLayer_ = [[CALayer alloc] init];
+
+  [self.view.layer addSublayer:mainLayer_];
+
+  goButton_ = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
+  goButton_.frame = CGRectMake(10., 10., 300., 44.);
+  [goButton_ setTitle:@"Shutter Transition!" forState:UIControlStateNormal];
+  [goButton_ addTarget:self action:@selector(doShutterTransition) forControlEvents:UIControlEventTouchUpInside];
+  [self.view addSubview:goButton_];
+
+}
+
+- (void)viewDidUnload {
+  [mainLayer_ release], mainLayer_ = nil;
+  [goButton_ release], goButton_ = nil;
+}
+
+- (void)drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx {
+  CGContextAddEllipseInRect(ctx, mainLayer_.bounds);
+  CGContextSetStrokeColorWithColor(ctx, [[UIColor blackColor] CGColor]);
+  CGContextSetLineWidth(ctx, 4.f);
+  CGContextDrawPath(ctx, kCGPathStroke);
+}
+
+#pragma mark View drawing
+
+- (void)viewWillAppear:(BOOL)animated {
+  mainLayer_.delegate = self;
+  mainLayer_.bounds = CGRectMake(0.f, 0.f, 200.f, 200.f);
+  mainLayer_.backgroundColor = [[UIColor blueColor] CGColor];
+  mainLayer_.position = self.view.center;
+  [mainLayer_ setNeedsDisplay];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+  mainLayer_.delegate = nil;
+}
+
+#pragma mark -
+#pragma mark Event Handlers
+
+- (void)doShutterTransition {
+  CGSize layerSize = mainLayer_.bounds.size;
+
+#if USE_FLATTENED_LAYER
+  //Grab the bits from the layer
+  CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+  CGContextRef context = CGBitmapContextCreate(NULL, (int)layerSize.width, (int)layerSize.height, 8, (int)layerSize.width * 4, colorSpace, kCGImageAlphaPremultipliedLast);
+
+  [mainLayer_ renderInContext:context];
+  UIImage *layerImage = [UIImage imageWithCGImage:CGBitmapContextCreateImage(context)];
+#endif
+
+  //Set up a single instance of the slide animations to be reused in the bands
+  CABasicAnimation *slideUp = [CABasicAnimation animationWithKeyPath:@"position.y"];
+  slideUp.toValue = [NSNumber numberWithFloat:-(mainLayer_.frame.size.height / 2.f)];
+  slideUp.duration = 1.f;
+  slideUp.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
+  slideUp.fillMode = kCAFillModeForwards;
+
+  CABasicAnimation *slideDown = [CABasicAnimation animationWithKeyPath:@"position.y"];
+  slideDown.toValue = [NSNumber numberWithFloat:(mainLayer_.frame.size.height / 2.f) + [UIScreen mainScreen].bounds.size.height];
+  slideDown.duration = 1.f;
+  slideDown.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
+  slideDown.fillMode = kCAFillModeForwards;
+
+  NSMutableArray *bands = [[NSMutableArray alloc] initWithCapacity:BAND_COUNT];
+
+  [mainLayer_ removeFromSuperlayer];
+  [CATransaction begin];
+  [CATransaction setCompletionBlock:^(void) {
+    [bands enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+      [obj setDelegate:nil];
+      [obj removeFromSuperlayer];
+    }];
+    [self.view.layer addSublayer:mainLayer_];
+  }];
+
+  CGFloat bandWidth = layerSize.width / (CGFloat)BAND_COUNT;
+  for(int i = 0; i < BAND_COUNT; i++) {
+    CALayer *band = [[CALayer alloc] init];
+    band.masksToBounds = YES;
+
+#if USE_FLATTENED_LAYER
+    CGFloat xOffset = 1.f / (CGFloat)BAND_COUNT;
+    band.bounds = CGRectMake(0.f, 0.f, bandWidth, layerSize.height);
+    band.contents = (id)[layerImage CGImage];
+    band.contentsGravity = kCAGravityCenter;
+    band.contentsRect = CGRectMake(xOffset * i , 0.f, xOffset, 1.f);
+#else    
+    band.bounds = CGRectMake(bandWidth * i, 0.f, bandWidth, layerSize.height);
+    band.backgroundColor = mainLayer_.backgroundColor;
+    band.delegate = self;
+    [band setNeedsDisplay];
+#endif
+
+    CGPoint bandOrigin = mainLayer_.frame.origin;
+    bandOrigin.x = bandOrigin.x + (bandWidth * i);
+    [band setValue:[NSValue valueWithCGPoint:bandOrigin] forKeyPath:@"frame.origin"];
+
+    [self.view.layer addSublayer:band];
+
+    [band addAnimation:(i % 2) ? slideUp : slideDown forKey:nil];
+    [bands addObject:band];
+    [band release];
+  }
+  [CATransaction commit];
+
+  [bands release];
+
+#if USE_FLATTENED_LAYER
+  CGColorSpaceRelease(colorSpace);
+  CGContextRelease(context);
+#endif  
+}
+
+
+@end

Classes/RootViewController.h

@@ -22,7 +22,10 @@
  THE SOFTWARE.
 */
 
+@class SampleManager;
+
 @interface RootViewController : UITableViewController <UITableViewDelegate, UITableViewDataSource> {
+  SampleManager *sampleManager_;
 }
 
 @end

Classes/RootViewController.m

@@ -27,44 +27,48 @@ of this software and associated documentation files (the "Software"), to deal
 
 @implementation RootViewController
 
+- (void)dealloc {
+  [sampleManager_ release], sampleManager_ = nil;
+  [super dealloc];
+}
+
 - (void)viewDidLoad {
+  sampleManager_ = [[SampleManager alloc] init];
   self.title = @"Samples";
 }
 
+- (void)viewDidUnload {
+  [sampleManager_ release], sampleManager_ = nil;
+}
+
 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
-  return [SampleManager groupCount];
+  return [sampleManager_ groupCount];
 }
 
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
-  return [SampleManager sampleCountForGroup:section];
+  return [sampleManager_ sampleCountForGroup:section];
 }
 
 - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
-  return [SampleManager groupTitleAtIndex:section];
+  return [sampleManager_ groupTitleAtIndex:section];
 }
 
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 
-  NSString *title = [SampleManager sampleNameAtIndexPath:indexPath];
+  NSString *theTitle = [sampleManager_ sampleNameAtIndexPath:indexPath];
 
-  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:title];
+  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:theTitle];
   if (cell == nil) {
-    cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:title] autorelease];
+    cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:theTitle] autorelease];
   }
   cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
-  cell.textLabel.text = title;
+  cell.textLabel.text = theTitle;
   return cell;
 }
 
 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
-  UIViewController *controller = [SampleManager sampleInstanceAtIndexPath:indexPath];
-  [self.navigationController pushViewController:controller animated:YES];
+  [self.navigationController pushViewController:[sampleManager_ sampleForIndexPath:indexPath] animated:YES];
 }
 
-- (void)dealloc {
-  [super dealloc];
-}
-
-
 @end
 

Classes/Samples/AdvancedShapeLayers.h

@@ -0,0 +1,33 @@
+/*
+ The MIT License
+ 
+ Copyright (c) 2009 Free Time Studios and Nathan Eror
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+#import <UIKit/UIKit.h>
+#import <QuartzCore/QuartzCore.h>
+
+@interface AdvancedShapeLayers : UIViewController {
+  CAShapeLayer *shapeLayer_;
+  CGFloat currentArc;
+}
+
+@end