¡@

Home 

2014/10/15 ¤U¤È 10:05:05

iphone Programming Glossary: cgpointvalue

After Animation, View position resets

http://stackoverflow.com/questions/226555/after-animation-view-position-resets

How to fill a path with gradient in drawRect:?

http://stackoverflow.com/questions/2985359/how-to-fill-a-path-with-gradient-in-drawrect

filling a path with a solid color is easy enough CGPoint aPoint for id pointValue in points aPoint pointValue CGPointValue CGContextAddLineToPoint context aPoint.x aPoint.y UIColor redColor setFill UIColor blackColor setStroke CGContextDrawPath..

iPad (very) simple drawing

http://stackoverflow.com/questions/3956202/ipad-very-simple-drawing

context 1.0 1.0 1.0 1.0 white CGContextSetLineWidth context 1.0 CGPoint firstPoint self.points objectAtIndex 0 CGPointValue CGContextBeginPath context CGContextMoveToPoint context firstPoint.x firstPoint.y int i 1 while i self.points.count CGPoint.. context firstPoint.x firstPoint.y int i 1 while i self.points.count CGPoint nextPoint self.points objectAtIndex i CGPointValue if nextPoint.x 0 nextPoint.y 0 CGContextDrawPath context kCGPathStroke if i self.points.count 1 CGContextBeginPath context.. kCGPathStroke if i self.points.count 1 CGContextBeginPath context CGPoint nextPoint2 self.points objectAtIndex i 1 CGPointValue CGContextMoveToPoint context nextPoint2.x nextPoint2.y i i 2 else i else CGContextAddLineToPoint context nextPoint.x..

Drawing app on iPad using OpenGL

http://stackoverflow.com/questions/4606680/drawing-app-on-ipad-using-opengl

Y axis to conform the iPhone top down approach invertedYBegCoord self.bounds.size.height currentStroke objectAtIndex i CGPointValue .y invertedYEndCoord self.bounds.size.height currentStroke objectAtIndex i 1 CGPointValue .y invertedYThirdCoord self.bounds.size.height.. objectAtIndex i CGPointValue .y invertedYEndCoord self.bounds.size.height currentStroke objectAtIndex i 1 CGPointValue .y invertedYThirdCoord self.bounds.size.height currentStroke objectAtIndex i 2 CGPointValue .y Figure our how many dots.. objectAtIndex i 1 CGPointValue .y invertedYThirdCoord self.bounds.size.height currentStroke objectAtIndex i 2 CGPointValue .y Figure our how many dots you need count MAX ceilf sqrtf currentStroke objectAtIndex i 2 CGPointValue .x currentStroke..

Undo drawing in Paint Application

http://stackoverflow.com/questions/6689600/undo-drawing-in-paint-application

of location point for int p 0 p undo objectAtIndex l count 1 p self drawErase undo objectAtIndex l objectAtIndex p CGPointValue toPoint undo objectAtIndex l objectAtIndex p 1 CGPointValue Erase NO glColor4f app.rg app.bg app.gg kBrushOpacity void.. 1 p self drawErase undo objectAtIndex l objectAtIndex p CGPointValue toPoint undo objectAtIndex l objectAtIndex p 1 CGPointValue Erase NO glColor4f app.rg app.bg app.gg kBrushOpacity void drawErase CGPoint start toPoint CGPoint end static GLfloat eraseBuffer..

Drawing Smooth Curves - Methods Needed

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

VALUE _INDEX_ NSValue valueWithCGPoint points _INDEX_ #define POINT _INDEX_ NSValue points objectAtIndex _INDEX_ CGPointValue UIBezierPath smoothedPathWithGranularity NSInteger granularity NSMutableArray points NSMutableArray self pointsOrdered mutableCopy.. VALUE _INDEX_ NSValue valueWithCGPoint points _INDEX_ #define POINT _INDEX_ NSValue points objectAtIndex _INDEX_ CGPointValue @implementation UIBezierPath Smoothing Get points from Bezier Curve void getPointsFromBezier void info const CGPathElement..

Fade in/out UIScrollView's content like Mobile Safari does in its tab

http://stackoverflow.com/questions/875129/fade-in-out-uiscrollviews-content-like-mobile-safari-does-in-its-tab

when scrolling void updateAlpha NSDictionary change CGFloat offset change objectForKey NSKeyValueChangeNewKey CGPointValue .x CGFloat origin self frame .origin.x CGFloat delta fabs origin offset UIView beginAnimations @ Fading context nil if delta..

How can I add CGPoint objects to an NSArray the easy way?

http://stackoverflow.com/questions/899600/how-can-i-add-cgpoint-objects-to-an-nsarray-the-easy-way