4 releases
0.1.3 | Jan 28, 2023 |
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0.1.2 | Jan 28, 2023 |
0.1.1 | Jan 28, 2023 |
0.1.0 | Jan 21, 2023 |
#822 in Images
13KB
133 lines
Greenriver
A command line tool to work with greenfield images
Installation
This command line tool is available on crates.io/crates/greenriver. So, just install it with cargo:
cargo install greenriver
Usage
A command line tool to work with greenfield images
Usage: greenriver <COMMAND>
Commands:
quantize Quantizes an image and saves it to a file
inspect Inspet an image
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
-V, --version Print version
quantize
To convert an image on a common file format to greenfield with a quantization level, and saving it to greenfield:
greenriver quantize 5 6 5 Lenna.png Lenna_565.gfd
To convert an image on a common file format to greenfield with a quantization level, and saving it to a common file format (the formats are inferred by file name):
greenriver quantize 5 6 5 Lenna.png Lenna_565.png
convert
To convert between file formats (the formats are inferred by extension, so for greenfield use .gfd
):
greenriver convert ./assets/Lenna_565.gfd ./assets/Lenna_565.png
inspect
To get file information about a greenfield image, use the inspect
command:
greenriver inspect ./assets/Lenna_565.gfd
┌───────┬─────────────┬────────────┬────────────┬──────────────┬────────────────────────┐
│ │ Magic │ Width │ Height │ Quantization │ Data │
├───────┼─────────────┼────────────┼────────────┼──────────────┼────────────────────────┤
│ Value │ b'grnfld42' │ 512 │ 512 │ (5, 6, 5) │ 512x512 [RGB] │
├───────┼─────────────┼────────────┼────────────┼──────────────┼────────────────────────┤
│ Size │ 64 b (8 B) │ 32 b (4 B) │ 32 b (4 B) │ 9 b (~1 B) │ 4194304 b (512.00 KiB) │
└───────┴─────────────┴────────────┴────────────┴──────────────┴────────────────────────┘
You can also inspect files in other formats. They will be converted to greenfield (8, 8, 8):
greenriver inspect ./assets/Lenna.png
┌───────┬─────────────┬────────────┬────────────┬──────────────┬────────────────────────┐
│ │ Magic │ Width │ Height │ Quantization │ Data │
├───────┼─────────────┼────────────┼────────────┼──────────────┼────────────────────────┤
│ Value │ b'grnfld42' │ 512 │ 512 │ (8, 8, 8) │ 512x512 [RGB] │
├───────┼─────────────┼────────────┼────────────┼──────────────┼────────────────────────┤
│ Size │ 64 b (8 B) │ 32 b (4 B) │ 32 b (4 B) │ 9 b (~1 B) │ 6291456 b (768.00 KiB) │
└───────┴─────────────┴────────────┴────────────┴──────────────┴────────────────────────┘
Dependencies
~12–24MB
~276K SLoC