kis_substrate.h

/*
 * Copyright (c) 2006 Boudewijn Rempt (boud@valdyas.org)
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
#ifndef KIS_SUBSTRATE_H
#define KIS_SUBSTRATE_H
 
#include <tqrect.h>
#include <ksharedptr.h>
 
class KisImage;

struct KisSubstratePixel {
    float height;      // absolute height of the current position
    float smoothness;  // determines how easily the painting tool "slips" over the surface
    float absorbency;  // determines how much wetness the substrate can absorb. XXX: How about speed of absorbing?
    float density;     // XXX?
    TQ_UINT8 r;           //.Red component of reflectivity
    TQ_UINT8 g;           // Green component of reflectivity
    TQ_UINT8 b;           // Blue component of reflectivity
    TQ_UINT8 alpha;     // For composition with the background
};

class KisSubstrate : public TDEShared {
 
public:
 
    KisSubstrate(KisImage * /*img*/) : TDEShared() {};
    virtual ~KisSubstrate() {};
 
 
    virtual void getPixels(KisSubstratePixel * substrate, const TQRect & rc) const = 0;

    virtual void writePixels(const KisSubstratePixel * substrate, const TQRect & rc) = 0;
    virtual void getPixel(KisSubstratePixel * ksp, int x, int y) const = 0;

    virtual void writePixel(const KisSubstratePixel & ksp, int x, int y) = 0;
    
};
 
#endif