lol/test/unit/image.cpp

//
// Lol Engine
//
// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
//   This program is free software; you can redistribute it and/or
//   modify it under the terms of the Do What The Fuck You Want To
//   Public License, Version 2, as published by Sam Hocevar. See
//   http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
#   include "config.h"
#endif

#include <cmath>

#include "core.h"
#include "lol/unit.h"

namespace lol
{

LOLUNIT_FIXTURE(ImageTest)
{
    LOLUNIT_TEST(OpenImage)
    {
        Image image("data/gradient.png");

        ivec2 size = image.GetSize();
        LOLUNIT_ASSERT_EQUAL(size.x, 256);
        LOLUNIT_ASSERT_EQUAL(size.y, 16);

        u8vec4 *data = image.Lock<PixelFormat::RGBA_8>();
        LOLUNIT_ASSERT(data);

        LOLUNIT_ASSERT_EQUAL((int)data[0].r, 0x00);
        LOLUNIT_ASSERT_EQUAL((int)data[0].g, 0x00);
        LOLUNIT_ASSERT_EQUAL((int)data[0].b, 0x00);

        LOLUNIT_ASSERT_EQUAL((int)data[255].r, 0xff);
        LOLUNIT_ASSERT_EQUAL((int)data[255].g, 0xff);
        LOLUNIT_ASSERT_EQUAL((int)data[255].b, 0xff);

        image.Unlock(data);
    }
};

} /* namespace lol */