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Cutting reusable images on iOS

Often I find apps where the developers have cut the exact images they need for buttons and other graphics, sometimes with the text on the buttons as well.

Tom iOS Developer

9 Apr

Guides, Tutorial

9 patch, dynamic, image, layer, localized, resize, stretch

Quick Reference for OpenCV Fundamentals

OpenCV is a massive computer vision library, just have a look at its index. It might be a good idea to bookmark that link too as I am sure you will want refer to it later on in your OpenCV projects. Getting started with such a big library can seem daunting to the uninitiated so

David

26 Feb

Guides, Links, Tutorial

at, basics, bgr, color, colour, cvtcolor, dilate, display image, erode, getting started, gray, how to, hsv, image, imshow, imwrite, load image, mask, mat, matrix, opencv, reference, rgb, save image, vec3b, vector, waitkey, write image, x, y

UIImageView Transforming Touch Coordinates to Pixel Coordinates

I have recently had a project where I had to do some image processing on an image based on where a user touches an image (in a UIImageView). Getting the touch coordinates was easy enough, but the challenge was turning those touch coordinates into pixel coordinates. Depending on the way the UIImageView is set to

Will

2 Aug

Tutorial

apple, image, image processing, ios, iPhone, objective c, Pixels, Touch, Transforms, UIImage, UIImageView