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PROG - Image Manipulation

Command-based image manipulation tool for 8-bit RGB images in PNG and XPM2 format.

Table of Contents

Usage

The program runs based on the scripts passed that are written in the scripts directory. These are plaintext files that contain a series of command for the tool to parse and compute.
The images can be loaded either from the input folder (in PNG format or XPM2) or created from scratch as blank.
After executing the commands, the images can be stored again both in PNG or XPM2.

Commands/Features

Basic Operations

Syntax Description
open <filepath> Replace current image (if any) with image read from PNG file
blank <width> <height> <color> Replace current image (if any) with blank image
save <filepath> Save current image to PNG file

Image Manipulation (Maintaining Size)

Syntax Description
invert Inverts the value of each Color in the Image (255 - rgb_value)
to_gray_scale Grayscales each Color of the Image
replace <initial-color> <final-color> Replaces every Color in the Image that matches the initial_color by the final_color
fill <width> <height> <x> <y> <color> Fills a rectangle on top of the current Image with a Color
h_mirror Mirrors the image horizontally
v_mirror Mirrors the image vertically
add <filepath> Pastes image from filename on top of current image (everything else is kept)

Image Manipulation (Changing Size)

Syntax Description
crop <x> <y> <width> <height> Crop the current Image into a smaller rectangle
rotate_left Rotate the Image 90 degrees to the left
rotate_right Rotate the Image 90 degrees to the right

Advanced Functionality

Syntax Description
median_filter <n> Apply a median filter of n to the Image
xpm2_open <filepath> Open XPM2 files to an image object
xpm2_save <filepath> Save image object into XPM2 file

Class: 1LEIC13 Group: 10
Final Grade: 20.0
Professors: Alexandra Mendes
Created in April 2023 for PROG (Programação) [FEUP-L.EIC009]