Category: Programming/File-Editors
HexEditor 1.0
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Operation System: Windows All
License:
Size: 78 KB
Date: 2010-05-07 11:12:37
This little tool was developed to be a small, easy to use hex editor.One of the most useful tools for programmers is a good Hex editor. So, I decided to throw one together. There is lots of room for more features, such as find functionality, but it is still a good hex editor. It is a good example of how to implement custom document views.The applications is SDI, with a view based off of CScrollView. The data is loaded into a CString object. I used CString because of its easy memory management (GetBuffer() and Empty() were all I needed). The view class manually draws the text data twice, in ASCII on the left and in hex on the right. Simple highlighting and cursor control is written into the view class, while data manipulation is handled by the data interface. It was really more for my own experience, but I decided that it might be a handy example for fellow programmers on a similar path.The scrolling may or may not be implemented the way it was intended. I couldn't find very good documentation on how to get it working perfectly, so I set the origins to the top left and simply calculated the visible lines myself. There may be a better way to do that (if there is, tell me), but the end result is that I only draw what I need, making the rendering fast enough to be usable. I also managed to avoid erasing the screen for everything except scrolling.
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