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2014/10/15 ¤U¤È 10:14:06

iphone Programming Glossary: shapes

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

I check if a user tapped near a CGPath Scenario I have a set of CGPath s. They are mostly just lines i.e. not closed shapes . They are drawn on the screen in a UIView 's draw method. How can I check if the user tapped near one of the paths Here's..

An iPhone library for shape recognition via the camera

http://stackoverflow.com/questions/2093143/an-iphone-library-for-shape-recognition-via-the-camera

in here on the subject on the subject Computer Vision but Im getting more confused than enlightened. I have 6 abstract shapes printed on a piece of paper and I would like to have the camera on the iPhone identify these shapes from different angles.. I have 6 abstract shapes printed on a piece of paper and I would like to have the camera on the iPhone identify these shapes from different angles lightning etc. . I have used OpenCV a while back Java and I looked at other libraries out there. The.. end up using days learning libraries only to figure out they didn't work. I have thought of taking 1000 images of my shapes and training a Haar filter. But again if there is anything out there that is a bit easier to work with I would really appreciate..

Get a PDF/PNG as output from a UIWebView or UIView

http://stackoverflow.com/questions/2454309/get-a-pdf-png-as-output-from-a-uiwebview-or-uiview

How to detect iPhone movement in space using accelerometer?

http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer

iPhone the app would be able to redraw it on the screen. This could also work with squares or even more complicated shapes. The only example of application I've seen doing such a thing is AirPaint http vimeo.com 2276713 but it doesn't seems to..

Inner Shadow in UILabel

http://stackoverflow.com/questions/3231690/inner-shadow-in-uilabel

zoomed thanks iphone objective c uilabel share improve this question The answer by dmaclach is only suitable for shapes that can easily be inverted. My solution is a custom view that works with any shape and also text. It requires iOS 4 and..

drawing on iphone

http://stackoverflow.com/questions/3352822/drawing-on-iphone

and I want to know how to match the character drawn with good character of the alphabet. How will i compare the two shapes drawing and existing Any idea some code iphone drawing vector gestures share improve this question Using GLGestureRecognizer..

UIImage from CALayer - iPhone SDK

http://stackoverflow.com/questions/3454356/uiimage-from-calayer-iphone-sdk

from CALayer iPhone SDK In my application I have created a CALayer with a few sublayers the CALayer is composed of shapes added as sublayers . I am trying to create a UIImage that I will be able to upload to a server I have the code for this..

How do I programmatically provide a glossy look to UIButtons?

http://stackoverflow.com/questions/3709183/how-do-i-programmatically-provide-a-glossy-look-to-uibuttons

to some iPhone UIButtons but do so without the use of PNGs or stretchable images. I have a lot of buttons of varying shapes and sizes with lots of colors which are generated on the fly so prerendered images are not feasible in my case. How would..

OpenGL ES - How to Draw a filled Polygon?

http://stackoverflow.com/questions/3872464/opengl-es-how-to-draw-a-filled-polygon

googling and searching on stack but I didn't find anything http stackoverflow.com questions 2842339 mapping irregular shapes or other polygons cartoons sprites to triangles in op I want to draw a filled polygon in OpenGL ES on iPad 2D don't need..

Which framework is the most suitable to create a primitive shape drawing app?

http://stackoverflow.com/questions/4067820/which-framework-is-the-most-suitable-to-create-a-primitive-shape-drawing-app

to create a primitive shape drawing app I am creating a drawing app on iPad which allow the user to create primitive shapes like rectangles polygons arcs etc. This app enables the user to rotate and scale these shapes. So which would you prefer.. user to create primitive shapes like rectangles polygons arcs etc. This app enables the user to rotate and scale these shapes. So which would you prefer OpenGL ES or Quartz iphone ipad opengl es quartz graphics share improve this question Have..

Applying a Gradient to CAShapeLayer

http://stackoverflow.com/questions/4733966/applying-a-gradient-to-cashapelayer

it to have a gradient fill actually an animatable gradient at that . Everything else to do with CAShapeLayer shadows shapes stroke color animatable shape path is fantastic. I've tried placing a CAGradientLayer inside a CAShapeLayer or indeed setting..

OpenGL-ES 2.0 VS OpenGL-ES 1.1, which is faster?

http://stackoverflow.com/questions/5682010/opengl-es-2-0-vs-opengl-es-1-1-which-is-faster

required would be ridiculous also billboards wouldn't work well for my cylinders and the intersection of these shapes wouldn't be handled right in that case . A million triangles might be a bit much for these devices. In my benchmarks the..

How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation?

http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener

It does this by using procedurally generated sphere and cylinder impostors drawn over rectangles instead of these same shapes built using lots of vertices. The downside to this approach is that the depth values for each fragment of these impostor..