This article details the use of sixel graphics for drawing indexed color bitmaps on terminals that support it. By encoding images as 6-pixel tall bands, the method not only handles color management effectively but also facilitates the inclusion of transparency via index specifications. The implementation leverages advanced techniques, such as managing overlapping bands and employing RLE compression, to optimize performance, ensuring swift rendering while handling color transitions, making it suitable for complex fractal images like those produced in the sample file mandelbrot.ts.
Sixel graphics enables rendering indexed bitmap graphics on supported terminals using an efficient encoding scheme, providing both color management and support for transparency.
The encoding process involves organizing image data into bands, employing techniques like overlapping bands for color switching, maximizing efficiency with extra pixels.
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