uibezierpath

I'm drawing a graph in my application. My problem is that I want to draw line joining vertex points as curves. Currently I'm drawing them with UIBezierPath 's function addLineToPoint: . I want to draw them as curves. I'm well aware that UIBezierPath has following two functions to support this feature. Cubic curve: addCurveToPoint:controlPoint1:controlPoint2: Quadratic curve: addQuadCurveToPoint:controlPoint: But problem is that I don't have control points. All i have is two end points. Neither I found a method/formula to determine control points. Can anyone help me here? I will appreciate if

i would like to animate a UIBezierPath of a rect to a triangle one, not to animate a view on a path but animate the path itself so it morphs from one shape to another. the path is added to a CALayer CAShapeLayer *maskLayer = [CAShapeLayer layer]; maskLayer.fillColor = [[UIColor whiteColor] CGColor]; maskLayer.path = [self getRectPath]; -(CGPathRef)getTrianglePath { UIBezierPath* triangle = [UIBezierPath bezierPath]; [triangle moveToPoint:CGPointZero]; [triangle addLineToPoint:CGPointMake(width(self.view),0)]; [triangle addLineToPoint:CGPointMake(0, height(self.view))]; [triangle closePath];

I have designed this code to generate a Bezier Path that is used as a path for a CAShapeLayer to mask a UIView (the view's height and width are variable) This code generates a triangle with sharp edges, but I would like to make it round cornered! I have spent a good 2 hours trying to work with addArcWithCenter... , lineCapStyle and lineJoinStyle etc but nothing seems to work for me. UIBezierPath *bezierPath = [UIBezierPath bezierPath]; CGPoint center = CGPointMake(rect.size.width / 2, 0); CGPoint bottomLeft = CGPointMake(10, rect.size.height - 0); CGPoint bottomRight = CGPointMake(rect.size

I'm trying to get a "speech bubble" effect similar to the one in Mac OS X when you right click on something in the dock. Here's what I have now: I need to get the "triangle" part of the lower portion. Is there any way I can draw something like that and get a border around it? This will be for an iPhone app. Thanks in advance! EDIT: Many thanks to Brad Larson, here's what it looks like now: I've actually drawn this exact shape before (rounded rectangle with a pointing triangle at the bottom). The Quartz drawing code that I used is as follows: CGRect currentFrame = self.bounds;

By using [UIBezierPath bezierPathWithRoundedRect:byRoundingCorners:cornerRadii:] , I am able to create a rounded view, such as this: How could I subtract another path from this one (or some other way), to create a path like this: Is there any way I can do something like this? Pseudocode: UIBezierPath *bigMaskPath = [UIBezierPath bezierPathWithRoundedRect:bigView.bounds byRoundingCorners:(UIRectCornerTopLeft|UIRectCornerTopRight) cornerRadii:CGSizeMake(18, 18)]; UIBezierPath *smallMaskPath = [UIBezierPath bezierPathWithRoundedRect:smalLView.bounds byRoundingCorners:(UIRectCornerTopLeft

I've drawn a graph using a UIBezierPath. I can fill the area under the graph with a solid color but I want to fill the area under the graph with a gradient rather than with a solid color. But I'm not sure how to make the gradient apply only to the graph and not to the whole view, I've read a few questions but not found anything applicable. This is the main graph drawing code: // Draw the graph UIBezierPath *barGraph = [UIBezierPath bezierPath]; barGraph.lineWidth = 1.0f; [blueColor setStroke]; TCDataPoint *dataPoint = self.testData[0]; CGFloat x = [self convertTimeToXPoint:dataPoint.time];