¡@
2014/10/15 ¤U¤È 10:05:00
iphone Programming Glossary: cgaffinetransformmakerotationDrawing rotated text with NSString drawInRect http://stackoverflow.com/questions/10289898/drawing-rotated-text-with-nsstring-drawinrect context UIColor whiteColor .CGColor NSString str @ some test string CGAffineTransform transform1 CGAffineTransformMakeRotation M_PI 4 CGContextConcatCTM context transform1 CGContextTranslateCTM context 0 0 UIFont font UIFont systemFontOfSize 16.0.. UIFont font UIFont systemFontOfSize 16.0 Rotate the context 90 degrees convert to radians CGAffineTransform transform1 CGAffineTransformMakeRotation 90.0 M_PI 180.0 CGContextConcatCTM context transform1 Move the context back into the view CGContextTranslateCTM context..
iPhone Objective C: How to get a pixel's color of the touched point on an UIImageView? http://stackoverflow.com/questions/1285621/iphone-objective-c-how-to-get-a-pixels-color-of-the-touched-point-on-an-uiimag get a pixel's color of the touched point on an UIImageView even if the parent UIView or itself is being rotated by the CGAffineTransformMakeRotation function Will the view property of the UITouch still correctly return the correct pixel of the touched point even if the..
iPhone Curl Left and Curl Right transitions http://stackoverflow.com/questions/1625375/iphone-curl-left-and-curl-right-transitions the main view NSView containerView UIView alloc initWithFrame parent.bounds autorelease containerView.transform CGAffineTransformMakeRotation your angle here should probably be M_PI_2 some integer parent addSubview containerView UIView beginAnimations nil context..
iPhone - allow landscape orientation on just one viewcontroller http://stackoverflow.com/questions/2144520/iphone-allow-landscape-orientation-on-just-one-viewcontroller orientation notification object orientation if orientation UIDeviceOrientationLandscapeLeft xxxView setTransform CGAffineTransformMakeRotation M_PI 2.0 else if orientation UIDeviceOrientationLandscapeRight xxxView setTransform CGAffineTransformMakeRotation M_PI 2.0.. CGAffineTransformMakeRotation M_PI 2.0 else if orientation UIDeviceOrientationLandscapeRight xxxView setTransform CGAffineTransformMakeRotation M_PI 2.0 else if orientation UIDeviceOrientationPortraitUpsideDown xxxView setTransform CGAffineTransformMakeRotation M_PI.. CGAffineTransformMakeRotation M_PI 2.0 else if orientation UIDeviceOrientationPortraitUpsideDown xxxView setTransform CGAffineTransformMakeRotation M_PI else if orientation UIDeviceOrientationPortrait xxxView setTransform CGAffineTransformMakeRotation 0.0 share improve..
UIImageView Gestures (Zoom, Rotate) Question http://stackoverflow.com/questions/3448614/uiimageview-gestures-zoom-rotate-question UIGestureRecognizer sender CGFloat rotation UIRotationGestureRecognizer sender rotation CGAffineTransform transform CGAffineTransformMakeRotation rotation netRotation sender.view.transform transform if sender.state UIGestureRecognizerStateEnded netRotation rotation..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction point even i change the coordinate in CGPointMake Compass2.layer.anchorPoint CGPointMake 0 0.5 Compass2 setTransform CGAffineTransformMakeRotation temp1 Compass2 is a UIImageView like below picture I want to rotate it around point in image ^ iphone gps location..
I want to use animation to imageview using UIanimationtransitioncurl right or left. Is it possible? http://stackoverflow.com/questions/4780488/i-want-to-use-animation-to-imageview-using-uianimationtransitioncurl-right-or-le initWithFrame imageFrame autorelease self.flipToView.image UIImage imageNamed @ scene2.jpg CGAffineTransform rotate CGAffineTransformMakeRotation 3.14 2 containerView setTransform rotate self.view addSubview containerView rotate CGAffineTransformMakeRotation 3.14 2.. CGAffineTransformMakeRotation 3.14 2 containerView setTransform rotate self.view addSubview containerView rotate CGAffineTransformMakeRotation 3.14 2 mainView setTransform rotate self.containerView addSubview mainView self.mainView addSubview flipToView I have put.. what ever you want autorelease Create a container view for the view you wish to display. CGAffineTransform rotate CGAffineTransformMakeRotation 3.14 2 containerViewParent setTransform rotate Rotate the containerViewParent. self.view addSubview containerViewParent..
UIPicker sizing in landscape mode http://stackoverflow.com/questions/535164/uipicker-sizing-in-landscape-mode NO Resize the picker rotate it so that it is horizontal and set its position CGAffineTransform rotate CGAffineTransformMakeRotation 1.57 rotate CGAffineTransformScale rotate .46 2.25 CGAffineTransform t0 CGAffineTransformMakeTranslation 3 22.5 picker.transform.. font label.backgroundColor UIColor clearColor label.opaque NO viewForRow addSubview label CGAffineTransform rotate CGAffineTransformMakeRotation 1.57 viewForRow setTransform rotate return viewForRow This gives a much smaller horizontal picker with a nice look and feel...
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees I'm writing an iPhone app and I've got an image which I'ld like to have swirl outwards...
How to programmatically rotate image by 90 Degrees in iPhone? [duplicate] http://stackoverflow.com/questions/5581241/how-to-programmatically-rotate-image-by-90-degrees-in-iphone
AVFoundation + AssetWriter: Generate Movie With Images and Audio http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio 8 4 size.width rgbColorSpace kCGImageAlphaNoneSkipFirst NSParameterAssert context CGContextConcatCTM context CGAffineTransformMakeRotation 0 CGContextDrawImage context CGRectMake 0 0 CGImageGetWidth image CGImageGetHeight image image CGColorSpaceRelease rgbColorSpace..
Objective C: How can you rotate text for UIButton and UILabel? http://stackoverflow.com/questions/6326720/objective-c-how-can-you-rotate-text-for-uibutton-and-uilabel
|