begin()

Starts painting on the target device

drawArc()

Draws an arc between the starting and the end angle

drawEllipse()

Draws an ellipse inside a rectangle

drawLine()

Draws a line with endpoint coordinates specified

drawPixmap()

Extracts pixmap from the image file and displays it at the specified position

drwaPolygon()

Draws a polygon using an array of coordinates

drawRect()

Draws a rectangle starting at the top-left coordinate with the given width and height

drawText()

Displays the text at given coordinates

fillRect()

Fills the rectangle with the QColor parameter

setBrush()

Sets a brush style for painting

setPen()

Sets the color, size and style of pen to be used for drawing