2014/10/15 下午 10:05:00

iphone Programming Glossary: cgaffinetransformscale

http://stackoverflow.com/questions/2600779/how-can-i-customize-an-ios-alert-view

like Apple's alert view. Something like this works void initialDelayEnded self.view.transform CGAffineTransformScale CGAffineTransformIdentity 0.001 0.001 self.view.alpha 1.0 UIView beginAnimations nil context nil UIView.. self UIView setAnimationDidStopSelector @selector bounce1AnimationStopped self.view.transform CGAffineTransformScale CGAffineTransformIdentity 1.1 1.1 UIView commitAnimations void bounce1AnimationStopped UIView beginAnimations.. self UIView setAnimationDidStopSelector @selector bounce2AnimationStopped self.view.transform CGAffineTransformScale CGAffineTransformIdentity 0.9 0.9 UIView commitAnimations void bounce2AnimationStopped UIView beginAnimations..

Get PDF hyperlinks on iOS with Quartz

http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz

CGAffineTransformIdentity trans CGAffineTransformTranslate trans 0 pageRect.size.height trans CGAffineTransformScale trans 1.0 1.0 rect CGRectApplyAffineTransform rect trans do whatever you need with the coordinates...

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

super setTransform newTransform void setTransform CGAffineTransform newValue super setTransform CGAffineTransformScale newValue 1.0f previousScale 1.0f previousScale where previousScale is a float instance variable of the..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

EXIF 2 transform CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation.. EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationLeftMirrored EXIF 5 boundHeight bounds.size.height bounds.size.height.. boundHeight transform CGAffineTransformMakeTranslation imageSize.height imageSize.width transform CGAffineTransformScale transform 1.0 1.0 transform CGAffineTransformRotate transform 3.0 M_PI 2.0 break case UIImageOrientationLeft..

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

Currently my code looks like this wrapped in a beginAnimations commitAnimations block scale CGAffineTransformScale CGAffineTransformIdentity 5.0f 5.0f swirl CGAffineTransformRotate scale M_PI player setTransform swirl..

iOS UIImagePickerController result image orientation after upload

http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

transform CGAffineTransformTranslate transform self.size.width 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationLeftMirrored case UIImageOrientationRightMirrored transform.. transform CGAffineTransformTranslate transform self.size.height 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationUp case UIImageOrientationDown case UIImageOrientationLeft..

How can I customize an iOS alert view?

http://stackoverflow.com/questions/2600779/how-can-i-customize-an-ios-alert-view

When bringing it in I use a few animations to make it bounce like Apple's alert view. Something like this works void initialDelayEnded self.view.transform CGAffineTransformScale CGAffineTransformIdentity 0.001 0.001 self.view.alpha 1.0 UIView beginAnimations nil context nil UIView setAnimationDuration kTransitionDuration 1.5 UIView setAnimationDelegate.. kTransitionDuration 1.5 UIView setAnimationDelegate self UIView setAnimationDidStopSelector @selector bounce1AnimationStopped self.view.transform CGAffineTransformScale CGAffineTransformIdentity 1.1 1.1 UIView commitAnimations void bounce1AnimationStopped UIView beginAnimations nil context nil UIView setAnimationDuration kTransitionDuration.. kTransitionDuration 2 UIView setAnimationDelegate self UIView setAnimationDidStopSelector @selector bounce2AnimationStopped self.view.transform CGAffineTransformScale CGAffineTransformIdentity 0.9 0.9 UIView commitAnimations void bounce2AnimationStopped UIView beginAnimations nil context nil UIView setAnimationDuration kTransitionDuration..

Get PDF hyperlinks on iOS with Quartz

http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz

rect.size.height rect.origin.y CGAffineTransform trans CGAffineTransformIdentity trans CGAffineTransformTranslate trans 0 pageRect.size.height trans CGAffineTransformScale trans 1.0 1.0 rect CGRectApplyAffineTransform rect trans do whatever you need with the coordinates. e.g. you could create a button and put it on top of your page..

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

void setTransformWithoutScaling CGAffineTransform newTransform super setTransform newTransform void setTransform CGAffineTransform newValue super setTransform CGAffineTransformScale newValue 1.0f previousScale 1.0f previousScale where previousScale is a float instance variable of the view. I then implement the zooming delegate method as follows..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

1 transform CGAffineTransformIdentity break case UIImageOrientationUpMirrored EXIF 2 transform CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate.. transform M_PI break case UIImageOrientationDownMirrored EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationLeftMirrored EXIF 5 boundHeight bounds.size.height bounds.size.height bounds.size.width bounds.size.width boundHeight.. bounds.size.height bounds.size.width bounds.size.width boundHeight transform CGAffineTransformMakeTranslation imageSize.height imageSize.width transform CGAffineTransformScale transform 1.0 1.0 transform CGAffineTransformRotate transform 3.0 M_PI 2.0 break case UIImageOrientationLeft EXIF 6 boundHeight bounds.size.height bounds.size.height..

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

app and I've got an image which I'ld like to have swirl outwards. Currently my code looks like this wrapped in a beginAnimations commitAnimations block scale CGAffineTransformScale CGAffineTransformIdentity 5.0f 5.0f swirl CGAffineTransformRotate scale M_PI player setTransform swirl player setAlpha 0.0f But I find that if I try to change the..

iOS UIImagePickerController result image orientation after upload

http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

case UIImageOrientationUpMirrored case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationLeftMirrored case UIImageOrientationRightMirrored transform CGAffineTransformTranslate transform self.size.height 0 transform.. 1 1 break case UIImageOrientationLeftMirrored case UIImageOrientationRightMirrored transform CGAffineTransformTranslate transform self.size.height 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationUp case UIImageOrientationDown case UIImageOrientationLeft case UIImageOrientationRight break Now we draw the underlying..

How to get a rotated, zoomed and panned image from an UIImageView at its full resolution?

http://stackoverflow.com/questions/11104042/how-to-get-a-rotated-zoomed-and-panned-image-from-an-uiimageview-at-its-full-re

gestureRecognizer state UIGestureRecognizerStateChanged gestureRecognizer view .transform CGAffineTransformScale gestureRecognizer view transform gestureRecognizer scale gestureRecognizer scale gestureRecognizer setScale 1 void panGestureMoveAround..

MFMailComposeViewController image orientation

http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation

case UIImageOrientationUpMirrored EXIF 2 transform CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width.. case UIImageOrientationDownMirrored EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationLeftMirrored EXIF 5 boundHeight bounds.size.height bounds.size.height bounds.size.width.. bounds.size.width boundHeight transform CGAffineTransformMakeTranslation imageSize.height imageSize.width transform CGAffineTransformScale transform 1.0 1.0 transform CGAffineTransformRotate transform 3.0 M_PI 2.0 break case UIImageOrientationLeft EXIF 6 boundHeight..

How to change an UILabel/UIFont's letter spacing?

http://stackoverflow.com/questions/2544905/how-to-change-an-uilabel-uifonts-letter-spacing

context 1 CGContextSetFillColorWithColor context UIColor clearColor CGColor CGAffineTransform myTextTransform CGAffineTransformScale CGAffineTransformIdentity 1.f 1.f CGContextSetTextMatrix context myTextTransform draw 1 but invisbly to get the string length...

How can I customize an iOS alert view?

http://stackoverflow.com/questions/2600779/how-can-i-customize-an-ios-alert-view

to make it bounce like Apple's alert view. Something like this works void initialDelayEnded self.view.transform CGAffineTransformScale CGAffineTransformIdentity 0.001 0.001 self.view.alpha 1.0 UIView beginAnimations nil context nil UIView setAnimationDuration.. setAnimationDelegate self UIView setAnimationDidStopSelector @selector bounce1AnimationStopped self.view.transform CGAffineTransformScale CGAffineTransformIdentity 1.1 1.1 UIView commitAnimations void bounce1AnimationStopped UIView beginAnimations nil context.. setAnimationDelegate self UIView setAnimationDidStopSelector @selector bounce2AnimationStopped self.view.transform CGAffineTransformScale CGAffineTransformIdentity 0.9 0.9 UIView commitAnimations void bounce2AnimationStopped UIView beginAnimations nil context..

UIImageView Gestures (Zoom, Rotate) Question

http://stackoverflow.com/questions/3448614/uiimageview-gestures-zoom-rotate-question

Get PDF hyperlinks on iOS with Quartz

http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz

CGAffineTransform trans CGAffineTransformIdentity trans CGAffineTransformTranslate trans 0 pageRect.size.height trans CGAffineTransformScale trans 1.0 1.0 rect CGRectApplyAffineTransform rect trans do whatever you need with the coordinates. e.g. you could create..

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

newTransform super setTransform newTransform void setTransform CGAffineTransform newValue super setTransform CGAffineTransformScale newValue 1.0f previousScale 1.0f previousScale where previousScale is a float instance variable of the view. I then implement..

UIPicker sizing in landscape mode

http://stackoverflow.com/questions/535164/uipicker-sizing-in-landscape-mode

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 CGAffineTransformConcat rotate..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

case UIImageOrientationUpMirrored EXIF 2 transform CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width imageSize.height.. case UIImageOrientationDownMirrored EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationLeftMirrored EXIF 5 boundHeight bounds.size.height bounds.size.height bounds.size.width.. bounds.size.width boundHeight transform CGAffineTransformMakeTranslation imageSize.height imageSize.width transform CGAffineTransformScale transform 1.0 1.0 transform CGAffineTransformRotate transform 3.0 M_PI 2.0 break case UIImageOrientationLeft EXIF 6 boundHeight..

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

to have swirl outwards. Currently my code looks like this wrapped in a beginAnimations commitAnimations block scale CGAffineTransformScale CGAffineTransformIdentity 5.0f 5.0f swirl CGAffineTransformRotate scale M_PI player setTransform swirl player setAlpha 0.0f..

iOS UIImagePickerController result image orientation after upload

http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationLeftMirrored case UIImageOrientationRightMirrored transform CGAffineTransformTranslate.. case UIImageOrientationRightMirrored transform CGAffineTransformTranslate transform self.size.height 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationUp case UIImageOrientationDown case UIImageOrientationLeft case UIImageOrientationRight..

iOS Pinch Scale and Two Finger Rotate at same time

http://stackoverflow.com/questions/8108768/ios-pinch-scale-and-two-finger-rotate-at-same-time

selectedImage.transform break case UIGestureRecognizerStateChanged CGAffineTransform transform CGAffineTransformScale selectedImage.referenceTransform pinch.scale pinch.scale selectedImage.transform transform break default break My rotation.. else if recognizer respondsToSelector @selector scale CGFloat scale UIPinchGestureRecognizer recognizer scale return CGAffineTransformScale transform scale scale else return transform This works if you're just allowing rotating and scaling. I even tested it If..