/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include <unotest/filters-test.hxx>
#include <test/bootstrapfixture.hxx>

#include <osl/file.hxx>
#include <osl/process.h>

#include <vcl/graphicfilter.hxx>

using namespace ::com::sun::star;

/* Implementation of Filters test */

class VclFiltersTest :
    public test::FiltersTest,
    public test::BootstrapFixture
{
    GraphicFilter mGraphicFilter;
public:
    VclFiltersTest() :
        BootstrapFixture(true, false),
        mGraphicFilter(GraphicFilter(false))
    {}

    virtual bool load(const OUString &,
        const OUString &rURL, const OUString &,
        unsigned int, unsigned int, unsigned int) SAL_OVERRIDE;

    void checkExportImport(const OUString& aFilterShortName);

    /**
     * Ensure CVEs remain unbroken
     */
    void testCVEs();

    void testScaling();
    void testExportImport();


    CPPUNIT_TEST_SUITE(VclFiltersTest);
    CPPUNIT_TEST(testCVEs);
    CPPUNIT_TEST(testScaling);
    CPPUNIT_TEST(testExportImport);
    CPPUNIT_TEST_SUITE_END();
};

bool VclFiltersTest::load(const OUString &,
    const OUString &rURL, const OUString &,
    unsigned int, unsigned int, unsigned int)
{
    SvFileStream aFileStream(rURL, STREAM_READ);
    Graphic aGraphic;
    return mGraphicFilter.ImportGraphic(aGraphic, rURL, aFileStream) == 0;
}

void VclFiltersTest::testScaling()
{
    for (unsigned int i = BMP_SCALE_FAST; i <= BMP_SCALE_BOX; i++)
    {
        Bitmap aBitmap( Size( 413, 409 ), 24 );
        BitmapEx aBitmapEx( aBitmap );

        fprintf( stderr, "scale with type %d\n", i );
        CPPUNIT_ASSERT( aBitmapEx.Scale( 0.1937046, 0.193154, i ) );
        Size aAfter( aBitmapEx.GetSizePixel() );
        fprintf( stderr, "size %ld, %ld\n", (long)aAfter.Width(),
                 aAfter.Height() );
        CPPUNIT_ASSERT( labs (aAfter.Height() - aAfter.Width()) <= 1 );
    }
}

void VclFiltersTest::checkExportImport(const OUString& aFilterShortName)
{
    Bitmap aBitmap( Size( 100, 100 ), 24 );
    aBitmap.Erase(COL_WHITE);

    SvMemoryStream aStream;
    aStream.SetVersion( SOFFICE_FILEFORMAT_CURRENT );

    css::uno::Sequence< css::beans::PropertyValue > aFilterData( 3 );
    aFilterData[ 0 ].Name = "Interlaced";
    aFilterData[ 0 ].Value <<= (sal_Int32) 0;
    aFilterData[ 1 ].Name = "Compression";
    aFilterData[ 1 ].Value <<= (sal_Int32) 1;
    aFilterData[ 2 ].Name = "Quality";
    aFilterData[ 2 ].Value <<= (sal_Int32) 90;

    sal_uInt16 aFilterType = mGraphicFilter.GetExportFormatNumberForShortName(aFilterShortName);
    mGraphicFilter.ExportGraphic( aBitmap, OUString(), aStream, aFilterType, &aFilterData );

    CPPUNIT_ASSERT(aStream.Tell() > 0);

    aStream.Seek( STREAM_SEEK_TO_BEGIN );

    Graphic aLoadedGraphic;
    mGraphicFilter.ImportGraphic( aLoadedGraphic, OUString(), aStream );

    BitmapEx aLoadedBitmapEx = aLoadedGraphic.GetBitmapEx();
    Size aSize = aLoadedBitmapEx.GetSizePixel();

    CPPUNIT_ASSERT_EQUAL(100L, aSize.Width());
    CPPUNIT_ASSERT_EQUAL(100L, aSize.Height());
}

void VclFiltersTest::testExportImport()
{
    fprintf(stderr, "Check ExportImport JPG\n");
    checkExportImport(OUString("jpg"));
    fprintf(stderr, "Check ExportImport PNG\n");
    checkExportImport(OUString("png"));
    fprintf(stderr, "Check ExportImport BMP\n");
    checkExportImport(OUString("bmp"));
}

void VclFiltersTest::testCVEs()
{
#ifndef DISABLE_CVE_TESTS
    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/wmf/"),
        OUString());

    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/emf/"),
        OUString());

    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/sgv/"),
        OUString());

    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/png/"),
        OUString());

    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/jpg/"),
        OUString());

    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/gif/"),
        OUString());

    testDir(OUString(),
        getURLFromSrc("/vcl/qa/cppunit/graphicfilter/data/bmp/"),
        OUString());
#endif
}

CPPUNIT_TEST_SUITE_REGISTRATION(VclFiltersTest);

CPPUNIT_PLUGIN_IMPLEMENT();

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