// ColorGrid.java
// TYPE YOUR NAME AND THE DATE

import java.awt.Color;

/**
   Represents a color grid, a two-dimensional array of colors. Allows clients
   to set and modify the colors of individual cells and rectangular areas.
*/
public class ColorGrid {

    // DECLARE INSTANCE VARIABLES

    /**
       Constructs a 100x100 grid, with all cells set to Color.WHITE.
    */
    public ColorGrid() {
        // IMPLEMENT
    }

    /**
       Constructs a rows x columns grid, with all cells set to Color.WHITE.
       @param rows the number of rows.
       @param columns the number of columns.
    */
    public ColorGrid(int rows, int columns) {
        // IMPLEMENT
    }

    /**
       Constructs a rows x columns grid, with all cells set to startingColor.
       @param rows the number of rows.
       @param columns the number of columns.
       @param startingColor the starting color for all cells in the grid.
    */
    public ColorGrid(int rows, int columns, Color startingColor) {
        // IMPLEMENT
    }

    /**
       Gets the number of rows.
       @return number of rows in the grid.
    */
    public int rows() {
        // IMPLEMENT
    }

    /**
       Gets the number of columns.
       @return number of columns in the grid.
    */
    public int columns() {
        // IMPLEMENT
    }

    /**
       Gets a copy of the color grid as a 2-dimensional array.
       @return a <em>copy</em> of the color grid.
    */
    public Color[][] grid() {
        // IMPLEMENT
    }

    /**
       Gets the color at the indicated row and column of the grid.
       @param row the row of the grid cell to get - range 0 to rows-1 assumed.
       @param column the column of the grid cell to get. - 0 to columns-1 assumed.
    */
    public Color get(int row, int column) {
        // IMPLEMENT
    }

    /**
       Sets the color at the indicated row and column of the grid.
       @param row the row of the grid cell to set - range 0 to rows-1 assumed.
       @param column the column of the grid cell to set - 0 to columns-1 assumed.
       @param color the color to which the grid cell is set.
    */
    public void set(int row, int column, Color color) {
        // IMPLEMENT
    }

    /**
       Sets the color of the indicated rectangle of the grid.
       @param row1 the first row of the rectangle - range 0 to rows-1 assumed.
       @param column1 the first column of the rectangle - range 0 to -1 assumed.
       @param row2 last row of the rectangle - range row1 to rows-1 assumed.
       @param column2 last column of the rectangle - range column1 to columns-1 assumed.
       @param color the color to which the grid cell is set.
    */
    public void set(int row1, int column1, int row2, int column2, Color color) {
        // IMPLEMENT
    }

    /**
       Darkens (makes darker) the color at the indicated row and column of the grid.
       @param row the row of the grid cell to darken - range 0 to rows-1 assumed.
       @param column the column of the grid cell to darken - 0 to columns-1 assumed.
    */
    public void darken(int row, int column) {
        // IMPLEMENT
    }

    /**
       Brightens (makes brighter) the color at the indicated row and column of the grid.
       @param row the row of the grid cell to brighten - range 0 to rows-1 assumed.
       @param column the column of the grid cell to brighten - 0 to columns-1 assumed.
    */
    public void brighten(int row, int column) {
        // IMPLEMENT
    }

    /**
       Darkens the indicated rectangle of the grid.
       @param row1 the first row of the rectangle - range 0 to rows-1 assumed.
       @param column1 the first column of the rectangle - range 0 to -1 assumed.
       @param row2 last row of the rectangle - range row1 to rows-1 assumed.
       @param column2 last column of the rectangle - range column1 to columns-1 assumed.
    */
    public void darken(int row1, int column1, int row2, int column2) {
        // IMPLEMENT
    }

    /**
       Brightens the indicated rectangle of the grid.
       @param row1 the first row of the rectangle - range 0 to rows-1 assumed.
       @param column1 the first column of the rectangle - range 0 to -1 assumed.
       @param row2 last row of the rectangle - range row1 to rows-1 assumed.
       @param column2 last column of the rectangle - range column1 to columns-1 assumed.
    */
    public void brighten(int row1, int column1, int row2, int column2) {
        // IMPLEMENT
    }

}