2014/10/15 下午 10:09:39

iphone Programming Glossary: glimageprocessing

http://stackoverflow.com/questions/1486051/how-to-sharp-blur-an-uiimage-in-iphone

iphone objective c cocoa touch core graphics share improve this question Apple has a great sample program called GLImageProcessing that includes a very fast blur sharpen effect using OpenGL ES 1.1 meaning it works on all iPhones not just the 3gs. If you're..

Applying brightness and contrast with OpenGL ES

http://stackoverflow.com/questions/1506299/applying-brightness-and-contrast-with-opengl-es

to change the brightness and contrast of a texture on the iPhone. I've been looking at the sample provided by apple GLImageProcessing but it only is able to do one at a time calling both methods in the sample overwrites the previous result . Brightness works..

How do I create blurred text in an iPhone view?

http://stackoverflow.com/questions/227305/how-do-i-create-blurred-text-in-an-iphone-view

UIImage or layer iphone objective c cocoa touch graphics uikit share improve this question Take a look at Apple's GLImageProcessing iPhone sample. It does some blurring among other things. The relevant code includes static void blur V2fT2f quad float t..

Can example “GLImageProcessing” work with multi filters

http://stackoverflow.com/questions/4375479/can-example-glimageprocessing-work-with-multi-filters

example &ldquo GLImageProcessing&rdquo work with multi filters I use the example GLImageProcessing but it can not process the image with both brightness.. example &ldquo GLImageProcessing&rdquo work with multi filters I use the example GLImageProcessing but it can not process the image with both brightness and contrast so i write the code to adjust both brightness and contrast..

How do I convert the live video feed from the iPhone camera to grayscale?

http://stackoverflow.com/questions/4381513/how-do-i-convert-the-live-video-feed-from-the-iphone-camera-to-grayscale

be able to achieve realtime results on current hardware otherwise. For OpenGL ES 1.1 devices I'd look at using Apple's GLImageProcessing sample application as a base it has an OpenGL greyscale filter within it and running your live video frames through that...

How to apply “filters” to AVCaptureVideoPreviewLayer

http://stackoverflow.com/questions/5156872/how-to-apply-filters-to-avcapturevideopreviewlayer

to take the base code for video capture and generation of OpenGL ES textures and then use the filter code from Apple's GLImageProcessing sample application. That application is built around OpenGL ES 1.1 support for which is present on all iOS devices. However..

GLImageProcessing Multiple Filters?

http://stackoverflow.com/questions/6425861/glimageprocessing-multiple-filters

Multiple Filters I have read through this question here Can example GLImageProcessing work with multi filters However I.. Multiple Filters I have read through this question here Can example GLImageProcessing work with multi filters However I still do not understand how to edit the sample code for GLImageProcessing to support multiple.. example GLImageProcessing work with multi filters However I still do not understand how to edit the sample code for GLImageProcessing to support multiple filters. Here is the code that I am doing now in drawGL of Imaging.c Any help void drawGL int wide int..