I want to program an iOS app that takes photos, but I want to filter the photo preview in real time . What I mean is implemented in the app called "Camwa" (here's the app's video :). I'm curious how this can be done. Does anyone know how to make such an app that provides a real-time preview of the photo and captures the filtered photos? As Fraggle explains, on iOS 5.0, you use the core image framework for filtering the image;
can do. However, the main image is limited to the ship with the structure, and I have found that it is.
As a result, I created my BSD-licensed open source framework, which requires the OpenGL ES 2.0 code to make GPU-accelerated processing of images and videos. I have some examples of this type of filtering, and you can easily write your own custom filters using the OpenGL Shading Language. Sample applications in the framework show how to filter images with live preview, as well as how to filter and save the disk.
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