It's amazing how much of Photoshop's basic architecture descended directly from Bill Atkinson's 1984 MacPaint for the original Macintosh — from the window layou

It's amazing how much of Photoshop's basic architecture descended directly from Bill Atkinson's 1984 MacPaint for the original Macintosh — from the window layout, toolbar palette, to many of the basic tool functions, bitmap zooming, even the icons. MacPaint: http://cdn.osxdaily.com/wp-content/uploads/2011/01/MacPaint-screenshot.gif http://cdn.osxdaily.com/wp-content/uploads/2011/01/MacPaint-... PhotoShop: https://elektronikgrafik.files.wordpress.com/2013/02/photoshop1.png https://elektronikgrafik.files.wordpress.com/2013/02/photosh...