In effect draws a pencil outline on top of a picture. You can choose how much colour to preserve from the original, and how heavy a pencil to use. The critical routine is written in x86 Assembly Language. It's too slow in pure Basic.
In fact, it looks for a certain (adjustable) minimum rate-of-change in either of the R, G, or B values either side of a given pixel. It looks at all 8 pixels and looks for the minimum rate of change in each of the 4 directions through the central pixel. BMP Edge Detector is a simple tool designed to detect the edge of any BMP image file.
Requirements:
Windows 95/98/Me/NT/2000/XP/2003 Server/Vista
Comments not found