Tutorial: Visual Basic Ways of doing Image Processing Tutorial
The Windows GUI is standing upon two pillers. Vector Graphics and Bitmap Graphics. Being quite difficult to manage, Vector Graphics are always very painful to handle but the possiblities are nearly impossible to find a limit
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Visual Basic Ways of doing Image Processing
The Windows GUI is standing upon two pillers. Vector Graphics and Bitmap Graphics. Being quite difficult to manage, Vector Graphics are always very painful to handle but the possiblities are nearly impossible to find a limit. Where as Bitmaps are concerned, they are heavy Windows objects ( though DIBs are not ). Since the arrival of electrifying GUIs in the Windows, the interest of programmers towards Image Processing has awfully increased. This article shall tell you how to do it and how to make it work faster.
There are many ways to do it, according to the requirements of the Image Filter, we are dealing with. A simple method is to use GetPixel and SetPixel API.This method is very slow but better for novice. I still remember 4 years ago when I created my first Image Processor, it used to take 1.5 seconds to Grayscale a picture of 250x250 pixels. But it was obviously the first step towards my new Greyscale function which does the same task on a picture of same dimensions in just 16 milliseconds.
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Image processing with Java 2D - JavaWorld - September
1998