Display image for terminal (VT100)
```
A4-Tacks wdsjxhno1001@163.com
USAGE:
timg [FLAGS] [OPTIONS] [FILE]
FLAGS:
--disable-default-colors
--disable-empty-char
-H, --help Prints help information
-s, --no-split-edge No split edge
--output-colors
-V, --version Prints version information
OPTIONS:
-b, --background-color Display image background color
(default:000000)
--colors Define color output.
format: 38;2;0;0;0:30,48;2;0;0;0:40
-c, --crop-image crop image
(format:-c 'x,y-w,h') (0f-100f)
--empty-char Set empty char\n(default:\x20)
-t, --filter Type of filter used
0: Nearest (quick)
1: Triangle
2: CatmullRom
3: Gaussian
4: Lanczos3 (default)
-f, --foreground Set display foreground char
-h, --height Set display image height
-d, --optimization-level Set optimization level
(default:1) [0, 255]
-w, --width Set display image width
ARGS:
Target file
```
Update Log
v1.0.1
- Fixed bug: extra empty lines at the end
v1.1.0
- Added function: output specified characters when the foreground and background colors are similar to reduce the rendering pressure and space occupation of half-height characters
- Add Flag: --disable-empty-char
v1.2.0