June 2019
Intermediate to advanced
348 pages
8h 28m
English
Content preview from Qt 5 and OpenCV 4 Computer Vision Projects
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The ImageEditor application
In this chapter, we will build an application that can be used to edit images, so we will name it ImageEditor. To edit an image with a GUI application, the first step is opening and viewing the image with that application, which is what we did in the previous chapter. Therefore, I decided to make a copy of the ImageViewer application and rename it ImageEditor, before adding the image editing features to it.
Let's start by copying the sources:
$ mkdir Chapter-02 $ cp -r Chapter-01/ImageViewer/ Chapter-02/ImageEditor $ ls Chapter-02 ImageEditor $ cd Chapter-02/ImageEditor $ make clean $ rm -f ImageViewer
With these commands, we copy the ImageViewer directory under the Chapter-01 directory to Chapter-02/ImageEditor ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.