C++ program that generates random paintings in PNG
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Math.xcodeproj
Math
README.md

README.md

Virtual artist abstractionist

This is a console C++ program that generates random abstract paintings in PNG format that I created in 2014. Here is the main article with lots of generated pictures.

Difital artists screenshot 1

Project files

  • mathem.h – some helpful functions.

  • lodepng.h / lodepng.cpp – PNG library created by Lode Vandevenne.

  • islepng.hisle namespace and Picture class for images manipulations.

  • mem.h / mem.cppmem namespace, classes Value, Number, Variable, Expression, Pool, and functions for deep expressions creation.

    Namespace mem is used for creation of random expression. Class Value is an abstract parent for the Number, Variable, and Expression classes. Class Number represents a constant number, Variable is a number which value may be changed from outside. Expression is linked with two Values and has an operation type. Static class Pool is used for memory cleaning.

    The function Value* SetDeepValueVars(int, Value*, Value*) recursively creates random expressions with given values at the bottom level.

  • main.cpp – entry point, input handling, and generation controlling.

The algorithm of image creation

  1. Initially, the program creates two expressions P and Q with different depth and X and Y as variables.

  2. Then, it creates expressions H and V using P and Q as variables.

  3. Then, it iterates through image pixels and calculates values of H and V, and uses it for translation from HSV to RGB color model. The obtained values are used for pixels RGB colors.

License

Copyright AivanF. (c) 2014-2018

This code is provided 'as-is', without any express or implied warranty. You may not hold the author liable.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

  1. The origin of this code must not be misrepresented. You must not claim that you wrote the original software. When use the code, you must give appropriate credit, provide a link to this license, and indicate if changes were made.

  2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

  3. This notice may not be removed or altered from any source distribution.