2014/10/15 下午 10:14:40

iphone Programming Glossary: surface

IOSurfaces - Artefacts in video and unable to grab video surfaces

http://stackoverflow.com/questions/14135215/iosurfaces-artefacts-in-video-and-unable-to-grab-video-surfaces

Artefacts in video and unable to grab video surfaces This is a 2 part Question. I have the following code working which grabs the current display surface and creates a video.. to grab video surfaces This is a 2 part Question. I have the following code working which grabs the current display surface and creates a video out of the surfaces everything happens in the background . for int i 0 i 100 i IOMobileFramebufferConnection.. Question. I have the following code working which grabs the current display surface and creates a video out of the surfaces everything happens in the background . for int i 0 i 100 i IOMobileFramebufferConnection connect kern_return_t result IOSurfaceRef..

CGImage/UIImage lazily loading on UI thread causes stutter

http://stackoverflow.com/questions/1815476/cgimage-uiimage-lazily-loading-on-ui-thread-causes-stutter

UIImage lazily loading on UI thread causes stutter My program displays a horizontal scrolling surface tiled with UIImageViews from left to right. Code runs on the UI thread to ensure that newly visible UIImageViews have a..

UITableView issue when using separate delegate/dataSource

http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource

call it TableTest Open TableTestViewController.xib in Interface Builder and drag a UITableView onto the provided view surface. Connect the UITableView 's dataSource and delegate outlets to File's Owner which should already represent the TableTestViewController..

UIButton inside a view that has a UITapGestureRecognizer

http://stackoverflow.com/questions/3344341/uibutton-inside-a-view-that-has-a-uitapgesturerecognizer

How to display an image on a MKOverlayView?

http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview

of. For example on the left side Google Maps and on the right side the same image is displayed at a MKMapView. The surface that the image covers can be viewed on Google Maps the satellite that is used for the image is the Meteosat 0 Degree satellite... covers can be viewed on Google Maps the satellite that is used for the image is the Meteosat 0 Degree satellite. The surface that both images cover is of the same size this is the LatLonBox from the KML file it specifies where the top bottom right..

Height and width on iPhone (/iPad)

http://stackoverflow.com/questions/3972001/height-and-width-on-iphone-ipad

𤤗s may be the case with games and other OpenGL ES 弎ased applications 㬙ou are responsible for rotating the drawing surface or adjusting your drawing commands as needed to present your content in landscape mode. In terms of your test application..

Getting displacement from accelerometer data with Core Motion

http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion

Motion I am developing an augmented reality application that at the moment wants to display a simple cube on top of a surface and be able to move in space both rotating and displacing to look at the cube in all the different angles. The problem of.. angles. The problem of calibrating the camera doesn't apply here since I ask the user to place the iPhone on the surface he wants to place the cube on and then press a button to reset the attitude. To find out the camera rotation is very simple..

PCM audio amplitude values?

http://stackoverflow.com/questions/5890499/pcm-audio-amplitude-values

not what the data values are. iphone android audio audio recording pcm share improve this question Think of the surface of the microphone. When it's silent the surface is motionless at position zero. When you talk that causes the air around.. audio audio recording pcm share improve this question Think of the surface of the microphone. When it's silent the surface is motionless at position zero. When you talk that causes the air around your mouth to vibrate. Vibrations are spring like.. in both directions as in back and forth or up and down or in and out. The vibrations in the air cause the microphone surface to vibrate as well as in move up and down. When it moves down that might be measured or sampled a positive value. When it..

iOS based OpenGL ES programming

http://stackoverflow.com/questions/6074688/ios-based-opengl-es-programming

In your case I'd look very carefully at the resources linked in the answers to the question GLSL for simple water surface effects which do exactly what you want. One implementation uses OpenGL ES 1.1 the other 2.0 style shaders. Pick a way that..

MPMoviePlayerController alternatives on iPhone?

http://stackoverflow.com/questions/780999/mpmovieplayercontroller-alternatives-on-iphone

about an LGPL option on the underlying code. A possible roll your own solution would be to use openGL as a compositing surface for the video and obtain a behind the scenes library like ffmpeg if you need to process specific video types. NeHe has an..