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. |
Java [JDK 8+] and Apache Maven
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
Below is a sample run of the program. User input is prefixed with enter command:
enter command: C 20 4
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| |
| |
| |
| |
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enter command: L 1 2 6 2
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| |
|xxxxxx |
| |
| |
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enter command: L 6 3 6 4
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| |
|xxxxxx |
| x |
| x |
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enter command: R 14 1 18 3
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| xxxxx |
|xxxxxx x x |
| x xxxxx |
| x |
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enter command: B 10 3 o
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|oooooooooooooxxxxxoo|
|xxxxxxooooooox xoo|
| xoooooooxxxxxoo|
| xoooooooooooooo|
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enter command: Q