graphics - Graphics class defined in java.awt(abstract windowing toolkit package-It is used to draw shapes lines and strings Paint method in JApplet

graphics - Graphics class defined in java.awt(abstract...

This preview shows page 1 - 3 out of 8 pages.

Graphics class -- defined in java.awt (abstract windowing toolkit) package -It is used to draw shapes, lines, and strings. Paint method in JApplet public void paint(Graphics page) { } The paint method is invoked automatically whenever the graphic elements of the applet need to be painted to the screen. Coordinate Systems Graphic system (0,0) x = 30 y=28 (x,y) = (30,28) Cartesian coordinate system (0,0) x y (x,y)
Some methods of the Graphics class: void drawRect(int x, int y, int width, int height) – paints a rectangle with upper left cornet (x,y) and dimensions width and height. void fillRect(int x, int y, int width, int height) – same as drawRect, but with inside filled with a foreground color. void drawOval(int x, int y, int width, int height) – paints an oval bounded by the rectangle with an upper left cornet of (x,y) and dimensions width and height. void fillOval(int x, int y, int width, int height) – same as drawOval, but with inside filled with a foreground color.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture