PictureTester.java

import java.util.ArrayList;

/**
 * This class contains class (static) methods
 * that will help you test the Picture class 
 * methods.  Uncomment the methods and the code
 * in the main to test.
 * 
 * @author Barbara Ericson 
 */
public class PictureTester
{
    /** Method to test zeroBlue */
    public static void testZeroBlue()
    {
        Picture beach = new Picture("beach.jpg");
        beach.explore();
        beach.zeroBlue();
        beach.explore();
    }

    /** Method to test mirrorVertical */
    public static void testMirrorVertical()
    {
        Picture caterpillar = new Picture("caterpillar.jpg");
        caterpillar.explore();
        caterpillar.mirrorVertical();
        caterpillar.explore();
    }

    /** Method to test mirrorTemple */
    public static void testMirrorTemple()
    {
        Picture temple = new Picture("temple.jpg");
        temple.explore();
        temple.mirrorTemple();
        temple.explore();
    }

    /** Method to test edgeDetection */
    public static void testEdgeDetection()
    {
        Picture swan = new Picture("swan.jpg");
        swan.edgeDetection(10);
        swan.explore();
    }

    /** Method to test averagePics */
    public static void testAveragePics()
    {
        ArrayList<Picture> pics = new ArrayList<Picture>();
        pics.add(new Picture("faces/alex.jpg"));
        pics.add(new Picture("faces/alexander.jpg"));
        pics.add(new Picture("faces/alfred.jpg"));
        pics.add(new Picture("faces/ambroz.jpg"));
        // pics.add(new Picture("faces/arnold.jpg"));
        // pics.add(new Picture("faces/zelmira.jpg"));
        // pics.add(new Picture("faces/zita.jpg"));
        // pics.add(new Picture("faces/zlata.jpg"));
        // pics.add(new Picture("faces/zlatica.jpg"));
        // pics.add(new Picture("faces/zora.jpg"));

        Picture averagePic = new Picture(pics.get(0).getHeight(), pics.get(0).getWidth());
        averagePic.averagePics(pics);
        averagePic.explore();
    }

    /** Method to test cropAndCopy */
    public static void testCropAndCopy()
    {
        Picture source = new Picture("testImageSrc.png");
        Picture destination = new Picture("testImageDest.png");
        source.explore();
        destination.cropAndCopy(source,
            250 /* startSourceRow */,
            350 /* endSourceRow */,
            100 /* startSourceCol */,
            300 /* endSourceCol */, 
            100 /* startDestRow */,
            50 /* startDestCol */ );

        /* visually inspect the image to ensure no part of the yellow border
         *      is copied
         */
        destination.explore();
        destination.cropAndCopy(source,
            250 /* startSourceRow */,
            350 /* endSourceRow */,
            100 /* startSourceCol */,
            300 /* endSourceCol */, 
            150 /* startDestRow */,
            300 /* startDestCol */ );

        /* visually inspect the image to ensure that the orange rectangle is
         *      in the lower-right corner and no exceptions are generated
         */
        destination.explore();
    }

    /** Main method for testing.  Every class can have a main
     * method in Java */
    public static void main(String[] args)
    {
        // uncomment a call here to run a test
        // and comment out the ones you don't want
        // to run
        testZeroBlue();
        //testKeepOnlyBlue();
        //testKeepOnlyRed();
        //testKeepOnlyGreen();
        //testNegate();
        //testGrayscale();
        //testFixUnderwater();
        //testMirrorVertical();
        //testMirrorTemple();
        //testMirrorArms();
        //testMirrorGull();
        //testMirrorDiagonal();
        //testCollage();
        //testCopy();
        //testEdgeDetection();
        //testEdgeDetection2();
        //testChromakey();
        //testEncodeAndDecode();
        //testGetCountRedOverValue(250);
        //testSetRedToHalfValueInTopHalf();
        //testClearBlueOverValue(200);
        //testGetAverageForColumn(0);
    }
}