2014/10/15 下午 10:04:58

iphone Programming Glossary: center.y

matchTemplate opencv not working as shown in opencv document

http://stackoverflow.com/questions/12049358/matchtemplate-opencv-not-working-as-shown-in-opencv-document

adjust corners and crop the image openCV

http://stackoverflow.com/questions/13098073/adjust-corners-and-crop-the-image-opencv

std vector cv Point points cv Point center cv Point 0.0 0.0 for size_t i 0 i points.size i center.x points i .x center.y points i .y center.x center.x points.size center.y center.y points.size return center Helper 0 1 3 2 std vector cv Point.. Point 0.0 0.0 for size_t i 0 i points.size i center.x points i .x center.y points i .y center.x center.x points.size center.y center.y points.size return center Helper 0 1 3 2 std vector cv Point sortSquarePointsClockwise std vector cv Point square.. 0.0 for size_t i 0 i points.size i center.x points i .x center.y points i .y center.x center.x points.size center.y center.y points.size return center Helper 0 1 3 2 std vector cv Point sortSquarePointsClockwise std vector cv Point square cv Point..

Rotate CGPath without changing its position

http://stackoverflow.com/questions/13738364/rotate-cgpath-without-changing-its-position

bounds CGAffineTransform transform CGAffineTransformIdentity transform CGAffineTransformTranslate transform center.x center.y transform CGAffineTransformRotate transform radians transform CGAffineTransformTranslate transform center.x center.y return.. center.y transform CGAffineTransformRotate transform radians transform CGAffineTransformTranslate transform center.x center.y return CGPathCreateCopyByTransformingPath path transform Note that this function returns a new path with a 1 retain count..

How to Check if Parallax is enabled

http://stackoverflow.com/questions/20361033/how-to-check-if-parallax-is-enabled

@ 100 UIInterpolatingMotionEffect verticalMotionEffect UIInterpolatingMotionEffect alloc initWithKeyPath @ center.y type UIInterpolatingMotionEffectTypeTiltAlongVerticalAxis verticalMotionEffect.minimumRelativeValue @ 0 verticalMotionEffect.maximumRelativeValue..

how to rotate CALayer at one point

http://stackoverflow.com/questions/3926923/how-to-rotate-calayer-at-one-point

transform CATransform3DIdentity transform CATransform3DTranslate transform rotationPoint.x center.x rotationPoint.y center.y 0.0 transform CATransform3DRotate transform rotationAngle 0.0 0.0 1.0 transform CATransform3DTranslate transform center.x.. transform rotationAngle 0.0 0.0 1.0 transform CATransform3DTranslate transform center.x rotationPoint.x center.y rotationPoint.y 0.0 Where center is the center of your layer rotationAngle is in radians positive is counterclockwise and..

Custom transition between two UIViews

http://stackoverflow.com/questions/5511514/custom-transition-between-two-uiviews

screenOrigin.x image.size.width 2.0 screenOrigin.y image.size.height 2.0 float dX center.x self.view.center.x float dY center.y self.view.center.y NSLog @ dx f dy f dX dY transform CGAffineTransformTranslate transform dX dY Scale our view float scaleWFactor.. 2.0 screenOrigin.y image.size.height 2.0 float dX center.x self.view.center.x float dY center.y self.view.center.y NSLog @ dx f dy f dX dY transform CGAffineTransformTranslate transform dX dY Scale our view float scaleWFactor image.size.width..

How can I rotate an image in response to the iPhone's accelerometer?

http://stackoverflow.com/questions/954711/how-can-i-rotate-an-image-in-response-to-the-iphones-accelerometer

deviceOrientation UIInterfaceOrientationPortrait self.updatingIsEnabled YES self.foamView.center CGPointMake center.x center.y else if self.angle 1.75 self.angle 0.75 if deviceOrientation UIInterfaceOrientationLandscapeRight deviceOrientation UIInterfaceOrientationLandscapeRight.. UIInterfaceOrientationPortraitUpsideDown self.updatingIsEnabled YES self.foamView.center CGPointMake center.x center.y else if self.angle 2.25 self.angle 2.25 if deviceOrientation UIInterfaceOrientationLandscapeLeft deviceOrientation UIInterfaceOrientationLandscapeLeft.. UIInterfaceOrientationLandscapeLeft self.updatingIsEnabled YES self.foamView.center CGPointMake center.x center.y iphone share improve this question In this code sample provided by Apple they use the accelerometer to adjust the..