consoledrawing's Introduction

Console drawing

Description

A simple console drawing programing to draw on a blank canvas.

the program should work as follows:

Create a new canvas
Start drawing on the canvas by issuing various commands
Quit

Command	Description
C w h	Should create a new canvas of width w and height h.
L x1 y1 x2 y2	Should create 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.
R x1 y1 x2 y2	Should create 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.
B x y c	Should fill the entire area connected to (x,y) with "colour" c. The behavior of this is the same as that of the "bucket fill" tool in paint programs.
Q	Should quit the program.

Prerequisites

Java [JDK 8+] and Apache Maven

Installation

To run:

mvn exec:java

run test case:

mvn test

compile and package:

mvn clean package

Run Jar

java -jar target/consoleDrawing-1.0.jar

Sample I/O

Below is a sample run of the program. User input is prefixed with enter command:

enter command: C 20 4
----------------------
|                    |
|                    |
|                    |
|                    |
----------------------

enter command: L 1 2 6 2
----------------------
|                    |
|xxxxxx              |
|                    |
|                    |
----------------------

enter command: L 6 3 6 4
----------------------
|                    |
|xxxxxx              |
|     x              |
|     x              |
----------------------

enter command: R 14 1 18 3
----------------------
|             xxxxx  |
|xxxxxx       x   x  |
|     x       xxxxx  |
|     x              |
----------------------

enter command: B 10 3 o
----------------------
|oooooooooooooxxxxxoo|
|xxxxxxooooooox   xoo|
|     xoooooooxxxxxoo|
|     xoooooooooooooo|
----------------------

enter command: Q

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