imago

imago is a command-line interface (CLI) image editor written in Go. It supports a variety of image processing operations for enhancing or modifying images.

List of Supported Operations

• Blur: Apply a blur filter to the image.
• Sharpen: Apply a sharpen filter to the image.
• Greyscale: Convert the image to greyscale.
• Sepia: Apply a sepia filter to the image.
• Change Brightness: Adjust the brightness of the image.
• Get Specific Color Components: Extract specific color components (red, green, blue) from the image.
• Horizontal Flip: Flip the image horizontally.
• Vertical Flip: Flip the image vertically.
• Apply Greyscale by Value: Convert the image to greyscale using the value component of the pixels.
• Apply Greyscale by Intensity: Convert the image to greyscale using the intensity component of the pixels.
• Apply Greyscale by Luma: Convert the image to greyscale using the luma component of the pixels.
• Compress an Image: Compress the image using the Haar wavelet transform.
• Generate a Histogram: Generate a histogram of the image.
• Color Correct an Image: Apply color correction to the image.
• Adjust Levels: Adjust the level of an image using black, mid, and white values.

TODO

• Mask: apply an image mask starting at a certain index to the image.

Test Coverage

• Test coverage can be verified by generating cover.html file

• To generate the cover.html file, run these commands:

go test -v -coverprofile cover.out ./...

go tool cover -html cover.out -o cover.html

How to run

• run this command in the root directory.

    go build .

• run a command using -

    ./imago <command> <input image> <output image> <other arguments>