ScalerGump.h

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/*
 *  Copyright (C) 2004-2006  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 ScalerGump_H
#define ScalerGump_H

#include "DesktopGump.h"
#include <vector>
class RenderSurface;
struct Texture;

namespace Pentagram {
        class Scaler;
};

class ScalerGump : public DesktopGump
{
public:
        ENABLE_RUNTIME_CLASSTYPE();

        ScalerGump(sint32 x, sint32 y, sint32 width, sint32 height);
        virtual ~ScalerGump(void);

        virtual void Paint(RenderSurface* surf, sint32 lerp_factor, bool scaled);
        virtual void RenderSurfaceChanged();
        virtual void ParentToGump(int &px, int &py,
                                                          PointRoundDir r = ROUND_TOPLEFT);
        virtual void GumpToParent(int &gx, int &gy,
                                                          PointRoundDir r = ROUND_TOPLEFT);
        
        void GetScaledSize(sint32 &sw, sint32 &sh) const { sw = swidth1; sh = sheight1; }
        void ChangeScaler(std::string scalername, int scalex, int scaley);

protected:
        int                                             swidth1;
        int                                             sheight1;
        const Pentagram::Scaler *scaler1;
        RenderSurface                   *buffer1;

        int                                             swidth2;
        int                                             sheight2;
        const Pentagram::Scaler *scaler2;
        RenderSurface                   *buffer2;

        sint32                                  width;
        sint32                                  height;

private:
        void SetupScalers();

        void DoScalerBlit(Texture* src, int swidth, int sheight, RenderSurface *dest, int dwidth, int dheight, const Pentagram::Scaler *scaler);

        static void                     ConCmd_changeScaler(const Console::ArgvType &argv);             
        static void                     ConCmd_listScalers(const Console::ArgvType &argv);              

};

#endif

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