optimised rendering for large areas

Using breseham for drawing every shape is extremely convenient, but the visual noise is significant. It might be better to render continuous, large surfaces with a background color, e.g. using chalk.

the borders of the area would look different however, so this would require some further investigation.

[rastapasta]

Thank you for all your wonderful high quality input @verdy-p !

Based on it, i just started to work on a mapping logic for the currently 2x4 sized, bit operation based BrailleBuffer. It will map all possible characters to the most-pixel-overlaying ▀ ▄ █ ▌▐ ▓ ■ ▬ equivalent and will allow an easy implementation without touching too many other parts of the current logic. Let’s see how that goes and how we can continue from there 😉

The next logical step would indeed be the automatic terminal type detection and giving the user the choice to switch during runtime.

Thanks again!

[verdy-p]

Yes but not within Windows (even with Ubuntu Bash, which still uses the Windows console even it it is using Unicode, i.e. codepage 65001=UTF-8) with its supported fonts (I gave a basic list) that must be monospaced, otherwise they are not selectable in the terminal. This means that all characters in the font must have the same metrics. May be there are other suitable fonts that may be installable on Windows to support more symbols. But the list of block characters supported are working on all platforms (Windows/Linux/MacOS/Android) because they are part of widely used legacy charsets, and because the terminal fonts for Windows have served as a minimum base subset to support in many other fonts. It would be interesting to develop an opensource monospace font (mapped with Unicode) for extending bitmap image emulations: it would be installable on Windows, Linux, Unix, MacOS. I gave the name of the high quality font from the Google Noto font set. I could have also named the monospaced font made by Michael Everson (wellknown member of Unicode) that supports many symbols as well: I’ve not checked if they would support more block graphics.

2017-05-12 19:54 GMT+02:00 Jannis Redmann [e-mail]:

Looks great! More characters available with full Unicode: ◢, ◣, ◤, ◥ http://www.fileformat.info/info/unicode/block/geometric_shapes/list.htm.

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