main/include/InternalUtilities.h

/*
This file is part of Caelum.
See http://www.ogre3d.org/wiki/index.php/Caelum 

Copyright (c) 2006-2007 Caelum team. See Contributors.txt for details.

Caelum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Caelum 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with Caelum. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef CAELUM_HEADER__PRIVATE_UTILITIES_H
#define CAELUM_HEADER__PRIVATE_UTILITIES_H

#include "CaelumPrerequisites.h"
#include "PrivatePtr.h"

namespace Caelum
{
    class CAELUM_EXPORT InternalUtilities
    {
    public:
        static Ogre::ColourValue getInterpolatedColour (
                float fx,
                float fy,
                Ogre::Image *img,
                bool wrapX = true);

        static const Ogre::String pointerToString(void* pointer);

        static Ogre::MaterialPtr checkLoadMaterialClone (
                const Ogre::String& originalName,
                const Ogre::String& cloneName);

        static Ogre::CompositorPtr checkCompositorSupported (const Ogre::String& name);

    public:
        enum DomeType {
            DT_SKY_DOME,
            DT_IMAGE_STARFIELD,
        };

        static void generateSphericDome (const Ogre::String &name, int segments, DomeType domeType);

    private:
        static void fillGradientsDomeBuffers (float *pVertex, unsigned short *pIndices, int segments);

        static void fillStarfieldDomeBuffers (float *pVertex, unsigned short *pIndices, int segments);
    };
}

#endif // CAELUM_HEADER__PRIVATE_UTILITIES_H

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