kwin/effects/resize/resize.h

/********************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>

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, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#ifndef KWIN_RESIZE_H
#define KWIN_RESIZE_H

#include <kwineffects.h>

namespace KWin
{
class GLShader;
class GLVertexBuffer;

class ResizeEffect
    : public Effect
    {
    public:
        ResizeEffect();
        ~ResizeEffect();
        virtual inline bool provides( Effect::Feature ef ) { return ef == Effect::Resize; }
        virtual void prePaintScreen( ScreenPrePaintData& data, int time );
        virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
        virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
        virtual void reconfigure( ReconfigureFlags );
        virtual void windowUserMovedResized( EffectWindow *w, bool first, bool last );
        virtual void windowMoveResizeGeometryUpdate(EffectWindow* c, const QRect& geometry);

    private:
        enum Feature { TextureScale = 1<<0, Outline = 1<<1 };
        bool m_active;
        int m_features;
        EffectWindow* m_resizeWindow;
        QRect m_currentGeometry, m_originalGeometry;
        bool m_useShader;
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
        GLVertexBuffer *m_vbo;
        GLShader *m_colorShader;
#endif
    };

}

#endif