PaletteManager.h

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/*
Copyright (C) 2003-2006 The Pentagram Team

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef PALETTEMANAGER_H
#define PALETTEMANAGER_H

#include "Palette.h"
#include <vector>

class IDataSource;
class RenderSurface;

class PaletteManager
{
public:
        explicit PaletteManager(RenderSurface* rs);
        ~PaletteManager();

        static PaletteManager* get_instance() { return palettemanager; }

        enum PalIndex {
                Pal_Game = 0,
                Pal_Movie = 1,
                Pal_JPFontStart = 16
        };

        void load(PalIndex index, IDataSource& ds, IDataSource &xformds);
        void load(PalIndex index, IDataSource& ds);
        Pentagram::Palette* getPalette(PalIndex index);

        void duplicate(PalIndex src, PalIndex dest);

        void updatedFont(PalIndex index);

        void transformPalette(PalIndex index, sint16 matrix[12]);

        void untransformPalette(PalIndex index);

        // Get a TransformMatrix from a PalTransforms value (-4.11 fixed)
        static void getTransformMatrix(sint16 matrix[12],
                                                                   Pentagram::PalTransforms trans);

        // Create a custom Transform Matrix from RGBA col32. (-4.11 fixed)
        // Alpha will set how much of original palette to keep. 0 = keep none
        static void getTransformMatrix(sint16 matrix[12], uint32 col32);        

        void RenderSurfaceChanged(RenderSurface* rs);

        void reset();

        void resetTransforms();

private:
        std::vector<Pentagram::Palette*> palettes;
        RenderSurface *rendersurface;

        static PaletteManager* palettemanager;
};

#endif

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