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2014/10/15 ¤U¤È 10:15:09
iphone Programming Glossary: typedefHow to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer..
How to change the device orientation programmatically in iOS 6 http://stackoverflow.com/questions/12650137/how-to-change-the-device-orientation-programmatically-in-ios-6 These constants are mask bits for specifying a view controller ™s supported interface orientations. typedef enum UIInterfaceOrientationMaskPortrait 1 UIInterfaceOrientationPortrait UIInterfaceOrientationMaskLandscapeLeft..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone array of RGBA bytes in memory RPVW_RGBAPixel pixelData The pixel struct with alpha in this version typedef struct RGBAPixel byte red byte green byte blue byte alpha RGBAPixel Bitmap function returns pre calculated.. return pixelData Read Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte.. a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView and declared..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew CGFloat m11 m12 m13 m14 CGFloat m21 m22 m23 m24 CGFloat m31 m32 m33 m34 CGFloat m41 m42 m43 m44 typedef struct CATransform3D CATransform3D So you can directly change the matrix elements instead of relying..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone object via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock.. this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock NSError error which isnt strictly needed but keeps things pretty...
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell Akers on 11 21 08. Copyright 2008 __MyCompanyName__. All rights reserved. #import UIKit UIKit.h typedef enum CustomCellBackgroundViewPositionTop CustomCellBackgroundViewPositionMiddle CustomCellBackgroundViewPositionBottom..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int of int long unless you specifically require them. NSInteger NSUInteger are defined as dynamic typedef s to one of these types and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE.. like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger typedef unsigned long NSUInteger #else typedef int NSInteger typedef unsigned int NSUInteger.. TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger typedef unsigned long NSUInteger #else typedef int NSInteger typedef unsigned int NSUInteger #endif With regard..
How to programmatically determine iPhone interface orientation? http://stackoverflow.com/questions/634745/how-to-programmatically-determine-iphone-interface-orientation interfaceOrientation self.interfaceOrientation The UIInterfaceOrientation is an enum typedef enum UIInterfaceOrientationPortrait UIDeviceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects tapInterceptor WildcardGestureRecognizer.h WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer TouchesEventBlock touchesBeganCallback @property copy..
How to change the device orientation programmatically in iOS 6 http://stackoverflow.com/questions/12650137/how-to-change-the-device-orientation-programmatically-in-ios-6 orientation values. UIInterfaceOrientationMask Enum These constants are mask bits for specifying a view controller ™s supported interface orientations. typedef enum UIInterfaceOrientationMaskPortrait 1 UIInterfaceOrientationPortrait UIInterfaceOrientationMaskLandscapeLeft 1 UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationMaskLandscapeRight..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone colorSpace UInt8 pixelByteData A pointer to an array of RGBA bytes in memory RPVW_RGBAPixel pixelData The pixel struct with alpha in this version typedef struct RGBAPixel byte red byte green byte blue byte alpha RGBAPixel Bitmap function returns pre calculated RGBA divide RGB by A to get unmodified RGB RGBAPixel.. context. pixelData RGBAPixel CGBitmapContextGetData context return pixelData Read Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView.. Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView and declared with corresponding synthesized properties Reference to Quartz..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew . Notice the structure definition is struct CATransform3D CGFloat m11 m12 m13 m14 CGFloat m21 m22 m23 m24 CGFloat m31 m32 m33 m34 CGFloat m41 m42 m43 m44 typedef struct CATransform3D CATransform3D So you can directly change the matrix elements instead of relying on the CATransform3DMake functions. You may need to perform..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone ext JPG You use the ALAssetLibrary object to access the ALAsset object via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock NSError error which isnt strictly needed but keeps things.. via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock NSError error which isnt strictly needed but keeps things pretty. and then in your source. void findLargeImage NSString..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell helpful for you CustomCellBackgroundView.h Created by Mike Akers on 11 21 08. Copyright 2008 __MyCompanyName__. All rights reserved. #import UIKit UIKit.h typedef enum CustomCellBackgroundViewPositionTop CustomCellBackgroundViewPositionMiddle CustomCellBackgroundViewPositionBottom CustomCellBackgroundViewPositionSingle CustomCellBackgroundViewPosition..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int bit system it's a long . I'd stick with using NSInteger instead of int long unless you specifically require them. NSInteger NSUInteger are defined as dynamic typedef s to one of these types and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger.. as dynamic typedef s to one of these types and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger typedef unsigned long NSUInteger #else typedef int NSInteger typedef unsigned int NSUInteger #endif With regard to the correct format specifier you.. one of these types and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger typedef unsigned long NSUInteger #else typedef int NSInteger typedef unsigned int NSUInteger #endif With regard to the correct format specifier you should use for each..
How to programmatically determine iPhone interface orientation? http://stackoverflow.com/questions/634745/how-to-programmatically-determine-iphone-interface-orientation In a viewcontroller you can simply use the code UIInterfaceOrientation interfaceOrientation self.interfaceOrientation The UIInterfaceOrientation is an enum typedef enum UIInterfaceOrientationPortrait UIDeviceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIDeviceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown lower level Objective C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always match exactly. Once you have the IMP..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer TouchesEventBlock..
How to change the device orientation programmatically in iOS 6 http://stackoverflow.com/questions/12650137/how-to-change-the-device-orientation-programmatically-in-ios-6 Enum These constants are mask bits for specifying a view controller ™s supported interface orientations. typedef enum UIInterfaceOrientationMaskPortrait 1 UIInterfaceOrientationPortrait UIInterfaceOrientationMaskLandscapeLeft 1 UIInterfaceOrientationLandscapeLeft..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone A pointer to an array of RGBA bytes in memory RPVW_RGBAPixel pixelData The pixel struct with alpha in this version typedef struct RGBAPixel byte red byte green byte blue byte alpha RGBAPixel Bitmap function returns pre calculated RGBA divide RGB.. context return pixelData Read Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte.. 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView and declared with corresponding..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew struct CATransform3D CGFloat m11 m12 m13 m14 CGFloat m21 m22 m23 m24 CGFloat m31 m32 m33 m34 CGFloat m41 m42 m43 m44 typedef struct CATransform3D CATransform3D So you can directly change the matrix elements instead of relying on the CATransform3DMake..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone to access the ALAsset object via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock NSError error.. ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock NSError error which isnt strictly needed but keeps things pretty. and then in your..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell Created by Mike Akers on 11 21 08. Copyright 2008 __MyCompanyName__. All rights reserved. #import UIKit UIKit.h typedef enum CustomCellBackgroundViewPositionTop CustomCellBackgroundViewPositionMiddle CustomCellBackgroundViewPositionBottom CustomCellBackgroundViewPositionSingle..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int using NSInteger instead of int long unless you specifically require them. NSInteger NSUInteger are defined as dynamic typedef s to one of these types and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32.. and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger typedef unsigned long NSUInteger #else typedef int NSInteger typedef unsigned int NSUInteger #endif With.. like this #if __LP64__ TARGET_OS_EMBEDDED TARGET_OS_IPHONE TARGET_OS_WIN32 NS_BUILD_32_LIKE_64 typedef long NSInteger typedef unsigned long NSUInteger #else typedef int NSInteger typedef unsigned int NSUInteger #endif With regard to the correct format..
How to create custom easing function with Core Animation? http://stackoverflow.com/questions/5161465/how-to-create-custom-easing-function-with-core-animation the end and returns a scale factor where 0.0 would produce the starting value and 1.0 would produce the ending value typedef double ^KeyframeParametricBlock double @interface CAKeyframeAnimation Parametric id animationWithKeyPath NSString path function..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c as it has been defined for a while but in the end I think that it's better. The swizzling method is defined thusly typedef IMP IMPPointer BOOL class_swizzleMethodAndStore Class class SEL original IMP replacement IMPPointer store IMP imp NULL Method..
How to programmatically determine iPhone interface orientation? http://stackoverflow.com/questions/634745/how-to-programmatically-determine-iphone-interface-orientation the code UIInterfaceOrientation interfaceOrientation self.interfaceOrientation The UIInterfaceOrientation is an enum typedef enum UIInterfaceOrientationPortrait UIDeviceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIDeviceOrientationPortraitUpsideDown..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always..
ARC forbids Objective-C objects in structs or unions despite marking the file -fno-objc-arc http://stackoverflow.com/questions/8093099/arc-forbids-objective-c-objects-in-structs-or-unions-despite-marking-the-file-f are unretained. Example If you use OpenFeint with ARC the Class OFBragDelegateStrings says this error in a struct. typedef struct OFBragDelegateStrings NSString prepopulatedText NSString originalMessage OFBragDelegateStrings to typedef struct.. typedef struct OFBragDelegateStrings NSString prepopulatedText NSString originalMessage OFBragDelegateStrings to typedef struct OFBragDelegateStrings __unsafe_unretained NSString prepopulatedText __unsafe_unretained NSString originalMessage..
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