![]() HyperScan and the excellent Atkinson dithering routine were subsequently unavailable for many years-but not forgotten!įrom Tinrocket, award-winning creator of apps to inspire creativity: Waterlogue, This by Tinrocket, and Olli by Tinrocket. Later, this graphics routine was implemented as an option in Apple’s HyperScan software, connecting early Macs to flatbed scanners, and nowhere else. ![]() In the early 1980s, while developing the graphics technology for the first Macintosh, Bill Atkinson (HyperCard, QuickDraw, MacPaint) discovered a very elegant filter to convert greyscale image data for display on the Mac’s 1-bit black-and-white screen. The visual effect produced by this technique creates rich, velvety tones, and is higher-quality than the “Diffusion Dither” method offered by Photoshop. HyperDither uses an elegant color reduction (dithering) routine to turn color or grayscale images into black and white or grayscales. ![]()
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