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https://github.com/gauranshgoel123/java-project-paint-app
Paint Applet: A simple Java Swing application for drawing on a canvas. Users can select from three colors (black, red, blue) and draw shapes by clicking and dragging the mouse. The app maintains a history of shapes and displays them as the user interacts with the canvas.
https://github.com/gauranshgoel123/java-project-paint-app
applet java jdbc jdk jvm swing
Last synced: 4 months ago
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Paint Applet: A simple Java Swing application for drawing on a canvas. Users can select from three colors (black, red, blue) and draw shapes by clicking and dragging the mouse. The app maintains a history of shapes and displays them as the user interacts with the canvas.
- Host: GitHub
- URL: https://github.com/gauranshgoel123/java-project-paint-app
- Owner: Gauranshgoel123
- Created: 2024-07-19T13:46:03.000Z (7 months ago)
- Default Branch: main
- Last Pushed: 2024-07-19T14:34:21.000Z (7 months ago)
- Last Synced: 2024-09-30T13:03:18.896Z (4 months ago)
- Topics: applet, java, jdbc, jdk, jvm, swing
- Language: Java
- Homepage:
- Size: 4.88 KB
- Stars: 2
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Java-Project-Paint-App
## Paint Applet
## Overview
The Paint Applet is a simple drawing application built using Java Swing. It allows users to draw shapes on a canvas by clicking and dragging the mouse, and it includes buttons to change the drawing color. The applet maintains a list of drawn shapes and displays them on the screen.
## Features
- Draw shapes by clicking and dragging the mouse.
- Change drawing color using buttons.
- Maintains a history of drawn shapes and displays them.
## Installation
1. Ensure you have Java Development Kit (JDK) installed.
2. Clone or download the project files to your local machine.
## Usage
1. Navigate to the project directory.
2. Compile the project using the following command:
```bash
javac PaintApplet.java
```
3. Run the project with the command:
```bash
java PaintApplet
```
## Code Structure
- `PaintApplet` class extends `JPanel` and serves as the main panel for drawing.
- `Shape` class is a nested class within `PaintApplet`, representing individual shapes drawn on the canvas.
### Components
- **Mouse Listeners**:
- `MouseAdapter` for capturing mouse press and release events.
- `MouseMotionAdapter` for capturing mouse drag events.
- **Color Buttons**:
- Three buttons to change the current drawing color to black, red, or blue.
- **Shape Class**:
- Manages the points and color of a shape.
- Methods to add points, retrieve point arrays, and get the number of points.
## How It Works
1. When the user presses the mouse button, a new `Shape` object is created, and the first point is added.
2. As the user drags the mouse, points are continuously added to the current shape.
3. When the user releases the mouse button, the shape is finalized and added to the list of shapes.
4. The `paintComponent` method iterates through the list of shapes and draws each one on the canvas.
## Customization
- **Adding More Colors**:
- Create new `JButton` instances for each color.
- Add an `ActionListener` to each button to call `setCurrentColor` with the desired `Color`.
- **Changing Canvas Size**:
- Modify the `frame.setSize` method in the `main` method to set the desired width and height.
## License
This project is licensed under the MIT License.
## Acknowledgments
This project was developed as a part of a Java coursework during my 2nd year of B.Tech.
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