2014/10/15 下午 10:05:05

iphone Programming Glossary: cgrectgetwidth

Dynamically setting layout on UICollectionView causes inexplicable contentOffset change

http://stackoverflow.com/questions/13780138/dynamically-setting-layout-on-uicollectionview-causes-inexplicable-contentoffset

Blur an image of specific part (rectangular, circular)?

http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular

context CGRectGetMinX rect CGRectGetMinY rect CGContextScaleCTM context radious radious CGFloat rectWidth CGRectGetWidth rect radious CGFloat rectHeight CGRectGetHeight rect radious CGContextMoveToPoint context rectWidth rectHeight 2.0f CGContextAddArcToPoint..

iOS Hiding tab bar in iOS 6 creates black bar (fix for iOS 6 breaks iOS 7!)

http://stackoverflow.com/questions/19006545/ios-hiding-tab-bar-in-ios-6-creates-black-bar-fix-for-ios-6-breaks-ios-7

self.tabBar.frame void ^workerBlock ^ self.tabBar.frame CGRectMake CGRectGetMinX self.tabBar.frame height CGRectGetWidth self.tabBar.frame CGRectGetHeight self.tabBar.frame view.frame CGRectMake CGRectGetMinX view.frame CGRectGetMinY view.frame.. CGRectGetHeight self.tabBar.frame view.frame CGRectMake CGRectGetMinX view.frame CGRectGetMinY view.frame CGRectGetWidth view.frame height void ^completionBlock BOOL finished ^ BOOL finished self.tabBar.hidden hidden if animated UIView animateWithDuration..

Rounded Corners on UIImage

http://stackoverflow.com/questions/205431/rounded-corners-on-uiimage

UIImage borderedImageWithRect CGRect dstRect radius CGFloat radius UIImage maskedImage nil radius MIN radius .5 MIN CGRectGetWidth dstRect CGRectGetHeight dstRect CGRect interiorRect CGRectInset dstRect radius radius UIGraphicsBeginImageContext dstRect.size..

UIView border with fade or blur effect

http://stackoverflow.com/questions/2306043/uiview-border-with-fade-or-blur-effect

colorWithRed 0.0 green 0.0 blue 0.0 alpha 1.0 .CGColor CGContextFillRect context CGRectMake 0 gradientHPos gradientH CGRectGetWidth maskLayer.frame CGRectGetHeight maskLayer.frame CGContextSetFillColorWithColor context UIColor colorWithRed 0.5 green 0.5..

How to add line numbers to a UITextView?

http://stackoverflow.com/questions/2836162/how-to-add-line-numbers-to-a-uitextview

CGPointMake xOrigin yOrigin withFont internalTextView.font CGRect tvFrame internalTextView frame tvFrame.size.width CGRectGetWidth internalScrollView.bounds width tvFrame.size.height MAX internalTextView.contentSize.height CGRectGetHeight internalScrollView.bounds..

IPhone/IPad: How to get screen width programmatically?

http://stackoverflow.com/questions/3655104/iphone-ipad-how-to-get-screen-width-programmatically

View controller. void didRotateFromInterfaceOrientation UIInterfaceOrientation fromInterfaceOrientation CGFloat width CGRectGetWidth self.view.bounds If the view is not being auto rotated by the View Controller then you will need to check the interface..

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

context CGRectGetMinX rect 3 CGRectGetMinY rect CGContextScaleCTM context ovalWidth ovalHeight 4 fw CGRectGetWidth rect ovalWidth 5 fh CGRectGetHeight rect ovalHeight 6 CGContextMoveToPoint context fw fh 2 7 CGContextAddArcToPoint context..

Why animating custom CALayer properties causes other properties to be nil during animation?

http://stackoverflow.com/questions/4016496/why-animating-custom-calayer-properties-causes-other-properties-to-be-nil-during

CGContextRef ctx NSLog @ Drawing layer tint is @ radius is @ self.tint self.radius CGPoint centerPoint CGPointMake CGRectGetWidth self.bounds 2 CGRectGetHeight self.bounds 2 CGContextMoveToPoint ctx centerPoint.x centerPoint.y CGContextAddArc ctx centerPoint.x..

Subclassed UIAlertView not drawn correctly in iOS 4.2

http://stackoverflow.com/questions/4269461/subclassed-uialertview-not-drawn-correctly-in-ios-4-2

To fit the text textualNarrationView sizeToFit CGRect textRect textualNarrationView.frame textRect.origin.x CGRectGetWidth self.bounds CGRectGetWidth textRect 2 textRect.origin.y CGRectGetHeight self.bounds CGRectGetHeight textRect 2 textRect.origin.y.. textualNarrationView sizeToFit CGRect textRect textualNarrationView.frame textRect.origin.x CGRectGetWidth self.bounds CGRectGetWidth textRect 2 textRect.origin.y CGRectGetHeight self.bounds CGRectGetHeight textRect 2 textRect.origin.y 70 textualNarrationView.frame..

UIImage with transparent rounded corners

http://stackoverflow.com/questions/4885713/uiimage-with-transparent-rounded-corners

context ovalWidth ovalHeight Calculate the width and height of the rectangle in the new coordinate system. fw CGRectGetWidth rect ovalWidth fh CGRectGetHeight rect ovalHeight CGContextAddArcToPoint adds an arc of a circle to the context's path creating..

iPhone Glossy Icons Using Core Graphics

http://stackoverflow.com/questions/5541457/iphone-glossy-icons-using-core-graphics

CGContextTranslateCTM context CGRectGetMinX rect CGRectGetMinY rect CGContextScaleCTM context ovalWidth ovalHeight fw CGRectGetWidth rect ovalWidth fh CGRectGetHeight rect ovalHeight CGContextMoveToPoint context fw fh 2 CGContextAddArcToPoint context fw..

How to add a UIToolbar to a UITableViewController programmatically?

http://stackoverflow.com/questions/5958956/how-to-add-a-uitoolbar-to-a-uitableviewcontroller-programmatically

view. CGFloat rootViewHeight CGRectGetHeight rootViewBounds Get the width of the parent view CGFloat rootViewWidth CGRectGetWidth rootViewBounds Create a rectangle for the toolbar CGRect rectArea CGRectMake 0 rootViewHeight toolbarHeight rootViewWidth..

iOS Draw Rectagle with curved ends

http://stackoverflow.com/questions/6553804/ios-draw-rectagle-with-curved-ends

CGColor CGContextSetRGBFillColor context 0.0 0.0 1.0 1.0 CGRect rrect CGRectMake CGRectGetMinX rect CGRectGetMinY rect CGRectGetWidth rect 30 CGRectGetHeight rect 30 CGFloat radius 0.5f CGFloat minx CGRectGetMinX rrect midx CGRectGetMidX rrect maxx CGRectGetMaxX..

CALayer: add a border only at one side

http://stackoverflow.com/questions/7022656/calayer-add-a-border-only-at-one-side

rightBorder.borderColor UIColor darkGrayColor .CGColor rightBorder.borderWidth 1 rightBorder.frame CGRectMake 1 1 CGRectGetWidth leftScrollView.frame CGRectGetHeight leftScrollView.frame 2 leftScrollView.layer addSublayer rightBorder share improve..

How do I enable directional lock for a UIScrollView?

http://stackoverflow.com/questions/861986/how-do-i-enable-directional-lock-for-a-uiscrollview

there's no more horizontal content to display. UIScrollView scrollView CGSize size scrollView.contentSize size.width CGRectGetWidth scrollView.frame scrollView.contentSize size scrollView.alwaysBounceHorizontal NO It doesn't matter what's actually inside..

How to align baselines of text in UILabels with different font sizes on iOS?

http://stackoverflow.com/questions/9910766/how-to-align-baselines-of-text-in-uilabels-with-different-font-sizes-on-ios

screen 䏭 scale majorLabel sizeToFit minorLabel sizeToFit CGRect changedFrame minorLabel.frame changedFrame.origin.x CGRectGetWidth majorLabel.frame const CGFloat scale UIScreen mainScreen .scale const CGFloat majorLabelBaselineInSuperView CGRectGetMaxY..

How to mask a square image into an image with round corners in the iPhone SDK?

http://stackoverflow.com/questions/996292/how-to-mask-a-square-image-into-an-image-with-round-corners-in-the-iphone-sdk