package franck.cameraapp;

import android.graphics.Bitmap;

/**
 * The model of the camera app.
 *
 * @author Franck van Breugel
 */
public class Model
{
    private Bitmap bitmap;

    /**
     * Initializes this model with the given bitmap.
     *
     * @param bitmap bitmap of this model.
     */
    public Model(Bitmap bitmap)
    {
        this.bitmap = bitmap;
    }

    /**
     * Returns the bitmap of this model.
     *
     * @return bitmap of this model.
     */
    public Bitmap getBitmap()
    {
        return this.bitmap;
    }

    /**
     * Reflects the bitmap of this model along the y-axis.
     */
    public void reflectY()
    {
        final int WIDTH = this.bitmap.getWidth();
        final int HEIGHT = this.bitmap.getHeight();

        Bitmap reflection = Bitmap.createBitmap(WIDTH, HEIGHT, this.bitmap.getConfig());

        for (int x = 0; x < WIDTH; x++)
	{
	    for (int y = 0; y < HEIGHT; y++)
	    {
		int color = this.bitmap.getPixel(x, y);
		reflection.setPixel(WIDTH - 1 -x, y, color);
	    }
	}

        this.bitmap = reflection;
    }
}