/*
 *  Copyright (c) 2007 Boudewijn Rempt boud@valdyas.org
 *  Copyright (c) 2008 Cyrille Berger <cberger@cberger.net>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "kis_mask_generator_test.h"

#include <qtest_kde.h>
#include "kis_mask_generator.h"

#include <QDomDocument>
#include <QImage>

QImage createQImageFromMask(const KisMaskGenerator& generator)
{
    QImage image(10, 10, QImage::Format_ARGB32);
    for (int i = 0; i < 10; ++i) {
        for (int j = 0; j < 10; ++j) {
            quint8 c = generator.valueAt(i, j);
            image.setPixel(i, j, qRgb(c, c, c));
        }
    }
    return image;
}

void KisMaskGeneratorTest::testCircleSerialisation()
{
    KisCircleMaskGenerator cmg(10.0 * rand() / RAND_MAX, rand() / RAND_MAX, rand() / RAND_MAX, rand() / RAND_MAX, 4);
    QDomDocument doc = QDomDocument("cmg");
    QDomElement root = doc.createElement("cmg");
    doc.appendChild(root);
    cmg.toXML(doc, root);
    KisMaskGenerator* cmg2 = KisMaskGenerator::fromXML(root);
    createQImageFromMask(cmg).save("circle1.png");
    createQImageFromMask(*cmg2).save("circle2.png");

    for (int i = 0; i < 10; ++i) {
        for (int j = 0; j < 10; ++j) {
            QVERIFY(cmg.valueAt(i, j) == cmg2->valueAt(i, j));
        }
    }
    delete cmg2;
}

void KisMaskGeneratorTest::testSquareSerialisation()
{

    // check consistency
    KisRectangleMaskGenerator cmg_1(5, 5, 5, 5, 5);
    KisRectangleMaskGenerator cmg_2(5, 5, 5, 5, 5);
    for (int i = 0; i < 10; ++i) {
        for (int j = 0; j < 10; ++j) {
            QVERIFY(cmg_1.valueAt(i, j) == cmg_2.valueAt(i, j));
        }
    }

    KisRectangleMaskGenerator cmg(10.0 * rand() / RAND_MAX,
                                  rand() / float(RAND_MAX),
                                  rand() / float(RAND_MAX),
                                  rand() / float(RAND_MAX), 4);
    QDomDocument doc = QDomDocument("cmg");
    QDomElement root = doc.createElement("cmg");
    doc.appendChild(root);
    cmg.toXML(doc, root);

    // check consistency with itself
    for (int i = 0; i < 10; ++i) {
        for (int j = 0; j < 10; ++j) {
            QVERIFY(cmg.valueAt(i, j) == cmg.valueAt(i, j));
        }
    }

    KisMaskGenerator* cmg2 = KisMaskGenerator::fromXML(root);
    QDomDocument doc2 = QDomDocument("cmg");
    QDomElement root2 = doc2.createElement("cmg");
    doc2.appendChild(root2);
    cmg.toXML(doc2, root2);

    // check serialization
    QCOMPARE(doc.toString(), doc2.toString());
    createQImageFromMask(cmg).save("square1.png");
    createQImageFromMask(*cmg2).save("square2.png");
    for (int i = 0; i < 10; ++i) {
        for (int j = 0; j < 10; ++j) {
            QVERIFY(cmg.valueAt(i, j) == cmg2->valueAt(i, j));
        }
    }
    delete cmg2;
}

QTEST_KDEMAIN(KisMaskGeneratorTest, GUI)
#include "kis_mask_generator_test.moc"
