Since sorting is one of the more well understood problems in computer science, there are well known algorithms to use. It’s really interesting how sorting by the grayscale values ends up recoloring the images while preserving small details in the grain of the background. Still, about the same.Īnd when you apply it to the source images above? Mona Lisa Since it’s expects a generator rather than allowing us to generate arbitrary points, it’s easier to make a map first. Tiled is a fantastic game map creation tool. lospec has a great selection of color palettes. One difference is because of the structure of the build-flomap*įunction. OpenGameArt has all kinds of artwork, music, or other game creation materials. Going through the commented blocks, we have a fairly direct match for the psuedocode. (hash-ref transition-hash (list x y)))))) (flomap-width original) (flomap-height original) Recolor an image by sorting the pixels in both images ( define (recolor/sort original-src target-src It turns out the code is just about as simple, with most of the length going into loading and saving the images and format juggling.įirst, we want a way of representing pixels which in this context are a color and a location: For each pair of pixels in the two lists, take the color from the target image and the location from the source imageĪnd that’s actually it. The HDR palette allows you to address the different tonal ranges of the image, from shadows and highlights, to super blacks and specular whites.Sort the two lists by a given comparator.Create a list of pixels from each image.The first algorithm sounds crazy until you try it. Swap pixels until the image is ‘close enough’.There are a bunch of different ways to solve this, but today we’ll go through three of them: Specifically for this post, we’ll be using two source images, although for testing I had a whole pile more: Mona Lisa by Leonardo da Vinci, c. – American Gothic in the palette of Mona Lisa: Rearrange the pixels The copy must have the same dimensions as the Source. Each pixel in the Palette must be used exactly once in a unique position in this copy. Your task is to create an algorithm that makes the most accurate looking copy of the Source by only using the pixels in the Palette. They do not necessarily have the same dimensions but it is guaranteed that their areas are the same, i.e. You are given two true color images, the Source and the Palette. Luckily, the same StackExchange also host popularity contests, one of which is the inspiration behind today’s post: The idea behind code golf is to write a program with as few characters as possible, often rendering the code nigh on unreadable. IPad 3, iPad 4, iPad Air, iPad iPad, iPad Mini 2, iPad Mini 3, iPad Mini 4, 9.Today’s task comes from the Code Golf StackExchange. IPhone 12 Pro Max, iPhone 13 Pro Max, iPhone 14 Plus: 1284x2778 IPhone Xs Max, iPhone 11 Pro Max: 1242x2688 IPhone X, iPhone Xs, iPhone 11 Pro: 1125x2436 IPhone 6 plus, iPhone 6s plus, iPhone 7 plus, iPhone 8 plus: 1242x2208 IPhone 6, iPhone 6s, iPhone 7, iPhone 8: 750x1334 IPhone 5, iPhone 5s, iPhone 5c, iPhone SE: 640x1136 IPhone: iPhone 2G, iPhone 3G, iPhone 3GS: 320x480
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