MSPaint

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Overview :

This MSPaint is the upgraded version of the Microsoft Paint, and is developed in the Java programming language with the Swing framework (therefore, can be used on MacOS and Linux based operating system). This paint has many more features like — We can edit PNG images without losing the transparency of an image, We can work one Layers of image, and We can apply filters to the image.

MSPaint use Graphics2D to draw shapes, by @overriding the paintComponent The function of JComponent. Even the buttons are designed with paintComponent function by extending the JButton class in TButton Class.

public class TButton extends JButton {

    public TButton(String text) {
        super(text);
        setFocusable(false);
        setMargin(new Insets(3, 5, 3, 5));
        setContentAreaFilled(false);
    }

    @Override
    public void paintComponent(Graphics g) {

        // drawing customized button here with the help of g

        super.paintComponent(g);	//<--- for print button text
    }
}

You can see the basic layout of MSPaint by following the link below:
https://github.com/mohitsainiknl/MSPaint/blob/master/.readme/mspaint-layout.png

Features :

All upgraded features are given below:

PNG Support (without loosing transparency)
MSPaint support the `alpha` channel, which make it possitble to work wth layers and editing the png image.
Layers Support

Every layer is made up of `JPanel`, which are one-upon another in the `viewport`. We can add Layers and hide them with help of buttons given upon the layers.
Filters Support

Sample of the filters are given in the filters tag. filter settings are also given upon the filters list.
For more details follow the link :
http://www.jhlabs.com/ip/filters/index.html
Floating Canvas
We can also float the canvas like in _Photoshop_, with the help of button given in view tab.