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2014/10/15 ¤U¤È 10:04:58

iphone Programming Glossary: center.x

matchTemplate opencv not working as shown in opencv document

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

cv Point bottom_right cv Point matchLoc.x template_img.cols matchLoc.y template_img.rows cv Point center cv Point 0 0 center.x bottom_right.x top_left.x 2 center.y bottom_right.y top_left.y 2 markerPoints.push_back center I hope that helps p share..

adjust corners and crop the image openCV

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

Helper cv Point getCenter 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.. 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 sortSquarePointsClockwise.. 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 sortSquarePointsClockwise std..

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.. center.x 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..

How to Check if Parallax is enabled

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

_effectGroup UIInterpolatingMotionEffect horizontalMotionEffect UIInterpolatingMotionEffect alloc initWithKeyPath @ center.x type UIInterpolatingMotionEffectTypeTiltAlongHorizontalAxis horizontalMotionEffect.minimumRelativeValue @ 0 horizontalMotionEffect.maximumRelativeValue..

how to rotate CALayer at one point

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

question CATransform3D 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.. 0.0 transform CATransform3DRotate 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..

Custom transition between two UIViews

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

our view CGPoint center CGPointMake 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.. CGPointMake 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..

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.. deviceOrientation 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.. deviceOrientation 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..