TerminalImageViewer/README.md

26 lines
773 B
Markdown
Raw Normal View History

2016-04-09 00:37:23 +02:00
# TerminalImageViewer
2016-04-09 00:59:01 +02:00
Small Java program to display images in a (modern) terminal using RGB ANSI codes and unicode block graphic characters
2016-04-09 01:21:06 +02:00
Algorithm (for each 4x8 pixel cell mapped to a unicode block graphics character):
2016-06-22 23:55:14 +02:00
1. Find the color channel (R, G or B) that has the biggest range of values for the current cell
2. Split this range in the middle
2016-04-09 01:21:06 +02:00
3. Average the colors above and below and create a corresponding bitmap for the cell
2016-06-22 23:55:14 +02:00
3. Compare the bitmap to the assumed bitmaps for various unicode block graphics characters
2016-04-09 01:21:06 +02:00
2016-04-09 00:59:01 +02:00
Usage:
```
javac TerminalImageViewer.java
java TerminalImageViewer [-w <width-in-characters>] <image-filename-or-url>
```
2016-06-22 21:20:47 +02:00
If multiple images match the filename spec, thumbnails are shown.
2016-04-09 00:59:01 +02:00
![Examples](http://i.imgur.com/8UyGjg8.png)
2016-06-22 21:20:47 +02:00