Image.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * Contributors: Amorilia (amorilia@users.sourceforge.net)
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/*
 * This file is based on a similar file from the NVIDIA texture tools
 * (http://nvidia-texture-tools.googlecode.com/)
 *
 * Original license from NVIDIA follows.
 */

// This code is in the public domain -- castanyo@yahoo.es

#ifndef _DDS_IMAGE_H
#define _DDS_IMAGE_H

#include <Common.h>
#include <Color.h>

class Image
{
public:
    
    enum Format 
    {
        Format_RGB,
        Format_ARGB,
    };
    
    Image();
    ~Image();
    
    void allocate(uint w, uint h);
    /*
    bool load(const char * name);
    
    void wrap(void * data, uint w, uint h);
    void unwrap();
    */
    
    uint width() const;
    uint height() const;
    
    const Color32 * scanline(uint h) const;
    Color32 * scanline(uint h);
    
    const Color32 * pixels() const;
    Color32 * pixels();
    
    const Color32 & pixel(uint idx) const;
    Color32 & pixel(uint idx);
    
    const Color32 & pixel(uint x, uint y) const;
    Color32 & pixel(uint x, uint y);
    
    Format format() const;
    void setFormat(Format f);
    
private:
    void free();
    
private:
    uint m_width;
    uint m_height;
    Format m_format;
    Color32 * m_data;
};


inline const Color32 & Image::pixel(uint x, uint y) const
{
    return pixel(y * width() + x);
}

inline Color32 & Image::pixel(uint x, uint y)
{
    return pixel(y * width() + x);
}

#endif // _DDS_IMAGE_H