2014/10/15 下午 10:05:04

iphone Programming Glossary: cgpathref

http://stackoverflow.com/questions/10133109/fastest-way-to-do-shadows-on-ios

give you a huge performance boost. The following example assumes you only want the shadow on the sides of your view CGPathRef path UIBezierPath bezierPathWithRect view.bounds .CGPath view.layer setShadowPath path EDIT On default a CALayer draws a..

how to set cornerRadius for only top-left and top-right corner of a UIView?

http://stackoverflow.com/questions/10167266/how-to-set-cornerradius-for-only-top-left-and-top-right-corner-of-a-uiview

cornerradius share improve this question Not directly. You will have to Create a CAShapeLayer Set its path to be a CGPathRef based on view.bounds but with only two rounded corners probably by using UIBezierPath bezierPathWithRoundedRect byRoundingCorners..

CGPathRef intersection

http://stackoverflow.com/questions/1021801/cgpathref-intersection

intersection Is there a way to find out whether two CGPathRefs are intersected or not. In my case all the CGPaths are having.. intersection Is there a way to find out whether two CGPathRefs are intersected or not. In my case all the CGPaths are having closePath. For example I am having two paths. One path is.. spoil the fun and obfuscate an otherwise simple answer. OLDER HARDER TO UNDERSTAND AND LESS EFFICIENT ANSWER Draw both CGPathRefs separately at 50 transparency into a zeroed CGBitmapContextCreate ed RGBA memory buffer and check for any pixel values..

How to animate one image over the unusual curve path in my iPad application?

http://stackoverflow.com/questions/10705587/how-to-animate-one-image-over-the-unusual-curve-path-in-my-ipad-application

moveToPoint startPoint arcingPath addCurveToPoint endPoint controlPoint1 controlPoint1 controlPoint2 controlPoint2 CGPathRef animationPath arcingPath CGPath The path you animate along Zooming up To achieve the zoom effect you can apply a similar..

How to create a UIImage from the current graphics context?

http://stackoverflow.com/questions/1112947/how-to-create-a-uiimage-from-the-current-graphics-context

c UIColor blackColor .CGColor CGContextSetLineWidth c 1.5f for CFIndex i 0 i CFArrayGetCount _pathArray i CGPathRef path CFArrayGetValueAtIndex _pathArray i CGContextAddPath c path CGContextStrokePath c CGContextRestoreGState c ... where..

How can I check if a user tapped near a CGPath?

http://stackoverflow.com/questions/1143704/how-can-i-check-if-a-user-tapped-near-a-cgpath

share improve this question In iOS 5.0 and later this can be done more simply using CGPathCreateCopyByStrokingPath CGPathRef strokedPath CGPathCreateCopyByStrokingPath path NULL 15 kCGLineCapRound kCGLineJoinRound 1 BOOL pointIsNearPath CGPathContainsPoint..

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

0 element points index To find the points we need to ask Core Graphics to 筂ash the path void createPathPoints CGPathRef cgDashedPath CGPathCreateCopyByDashingPath path_.CGPath NULL 0 CGFloat 1.0f 1.0f 2 UIBezierPath dashedPath UIBezierPath..

Rotate CGPath without changing its position

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

rotate a CGPath I'm using the following code CGAffineTransform transform CGAffineTransformMakeRotation angleInRadians CGPathRef rotatedPath CGPathCreateCopyByTransformingPath myPath transform This code works fine but it changes path's position I want.. takes a path and returns a new path that is the original path rotated around the center of its bounding box static CGPathRef createPathRotatedAroundBoundingBoxCenter CGPathRef path CGFloat radians CGRect bounds CGPathGetBoundingBox path might want.. original path rotated around the center of its bounding box static CGPathRef createPathRotatedAroundBoundingBoxCenter CGPathRef path CGFloat radians CGRect bounds CGPathGetBoundingBox path might want to use CGPathGetPathBoundingBox CGPoint center CGPointMake..

iPhone UITableViewCell layer shadow

http://stackoverflow.com/questions/3546880/iphone-uitableviewcell-layer-shadow

blur the layers underneath your tableviewcell's to create a high quality shadow. CGRect shadowFrame cell.layer.bounds CGPathRef shadowPath UIBezierPath bezierPathWithRect shadowFrame .CGPath cell.layer.shadowPath shadowPath Watch video 425 also 424..

Text selection on PDF after rendering using the drawLayer for ipad

http://stackoverflow.com/questions/5354457/text-selection-on-pdf-after-rendering-using-the-drawlayer-for-ipad

NSString searchTerm returns an NSArray of MFTextItems . MFTextItem has a property called highlightPath that returns a CGPathRef . Is that what you are using If you need to get a CGRect from the highlightPath you could use CGPathGetBoundingBox . If..

Grouped uitableview with shadow

http://stackoverflow.com/questions/6912904/grouped-uitableview-with-shadow

shadowBackgroundView if CGRectEqualToRect frameRect shadowBackgroundView.frame shadowBackgroundView.frame frameRect CGPathRef shadowPath UIBezierPath bezierPathWithRoundedRect shadowBackgroundView.bounds byRoundingCorners UIRectCornerAllCorners.. UIColor blackColor CGColor shadowBackgroundView.layer.shadowOffset CGSizeMake 0.0 1.0 CGPathRef shadowPath UIBezierPath bezierPathWithRoundedRect shadowBackgroundView.bounds byRoundingCorners UIRectCornerAllCorners..

Draw glow around inside edge of multiple CGPaths

http://stackoverflow.com/questions/8480401/draw-glow-around-inside-edge-of-multiple-cgpaths

a CGMutablePathRef by adding together two circular paths as shown by the left image is it possible to obtain a final CGPathRef which represents only the outer border as shown by the right image Thanks for any help iphone ios quartz 2d cgpath share..

Drawing Smooth Curves - Methods Needed

http://stackoverflow.com/questions/8702696/drawing-smooth-curves-methods-needed

else bezierPath addLineToPoint PVPoint self pointsOrdered objectAtIndex p CGPoint bezierPath retain return bezierPath CGPathRef CGPath return self bezierPath CGPath iphone objective c ios ipad bezier curve share improve this question I just implemented..

iPhone, Map, Clickable non-rectangular areas

http://stackoverflow.com/questions/870631/iphone-map-clickable-non-rectangular-areas

share improve this question How are these regions defined If you can get the point data then create a CGPath using CGPathRef path CGPathCreateMutable CGPathMoveToPoint path null xpoints 0 ypoints 0 for int i 1 i numpoints i CGPathAddLineToPoint.. release when you're done with the regions CGPathRelease path Note that you can create several separate subpaths in one CGPathRef and it will check all the subpaths when you check for containment. If you want to you can try using arcs or curves to get..

Detect if CGPoint within polygon

http://stackoverflow.com/questions/8952476/detect-if-cgpoint-within-polygon

quartz graphics share improve this question You can create a CG Mutable PathRef or a UIBezierPath that wraps a CGPathRef from your points and use the CGPathContainsPoint function to check if a point is inside that path. If you use UIBezierPath..