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11 questions linked to/from Images with all colors
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25 votes
15 answers
13k views

Challenge: Write a program that outputs a graphic file 1920 pixels wide by 1080 pixels high. Every one of the 2,073,600 pixels within the graphic must be a unique colour and no colour values should ...
Ben Paton's user avatar
  • 651
326 votes
55 answers
113k views

Integer math can generate amazing patterns when laid out over a grid. Even the most basic functions can yield stunningly elaborate designs! Your challenge Write 3 Tweetable (meaning 140 characters ...
A Frayed Knot's user avatar
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29 votes
15 answers
25k views

Dither a grayscale image into pure black and white with your own algorithm. Guidelines: You must come up with your own new algorithm. You cannot use pre-existing algorithms (ex. Floyd-Steinburg) but ...
qwr's user avatar
  • 12.4k
23 votes
16 answers
5k views

Given an image, either as input (possibly in RGB triplets) or with the filename as input (you may assume the image has a specific filename, possibly without an extension), output an image representing ...
Riker's user avatar
  • 7,928
33 votes
4 answers
2k views

Each cell in a life-like cellular automaton only needs one bit to represent it since it can only be alive or dead. That means there are only two colors; pretty boring. Normal images have 24 bits per ...
user avatar
25 votes
3 answers
2k views

The background My son Leonhard (4 years old) loves labyrinths. I don't know where he knows labyrinths from, but he paints them and knows quite well how they work: Recently, he started making a game ...
Thomas Weller's user avatar
  • 2,001
19 votes
4 answers
3k views

Write a program that takes in a standard truecolor image and a single 24-bit RGB color (three numbers from 0 to 255). Modify the input image (or output a new image with the same dimensions) such that ...
Calvin's Hobbies's user avatar
  • 90.8k
12 votes
2 answers
1k views

I'm not sure if this kind of golf is allowed, but here it is. Your objective is to create an image containing one pixel of every possible RGB color. The image with the smallest file size wins. Rules: ...
user avatar
11 votes
2 answers
601 views

Last year, there was a very popular challenge to create an image containing every 24-bit RGB colour. My challenge is to create a smooth animation (24 frames/s say), where the colour of every pixel of ...
sobe86's user avatar
  • 111
0 votes
4 answers
702 views

Above, you can see an image full of different colours. Click here for a hex-dump. One possible way to generate this image is by using a linear gradient rotated 90 degrees, however, this may not be ...
Buffer Over Read's user avatar
  • 1,817
4 votes
0 answers
419 views

When you resize an image down to a very small size, it looks very blocky when you scale the pixels back up individually. In extreme cases, as above, you can no longer reconstruct the original image, ...
Photographer's user avatar
  • 65