console-canvas-draw/README.md at main · hsaraf01/console-canvas-draw · GitHub

Console Canvas Drawing App

Simple app to draw lines and rectangles and paint in console.

Dependencies

You need Java 8 or higher as well as maven installed to build the app
To run the app, you only need Java JRE

Building App

Open a terminal and go the project directory

Build the program
```
  mvn clean package
```

Executing App

Open a terminal and go the project directory

To run App on Windows command prompt, execute below script
```
  .\run.bat
```
To run App on Linux bash, execute below command
```
  ./run.sh
```

Commands to draw and paint on canvas

Creates a new canvas of width w and height h
```
  C w h
```
Creates a new line from (x1,y1) to (x2,y2). Currently only horizontal or vertical lines are supported. Horizontal and vertical lines will be drawn using the 'x' character
```
  L x1 y1 x2 y2
```
Creates a new rectangle, whose upper left corner is (x1,y1) and lower right corner is (x2,y2). Horizontal and vertical lines will be drawn using the 'x' character.
```
  R x1 y1 x2 y2
```
Fills the entire area connected to (x,y) with "colour" c. The behaviour of this is the same as that of the "bucket fill" tool in paint programs.
```
  B x y c
```
Quits the program
```
  Q
```