odimage.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          August 2010
________________________________________________________________________

-*/

#include "basicmod.h"

#include "color.h"
#include "ptrman.h"
#include "uistring.h"

namespace OD
{

mExpClass(Basic) RGBImage
{
public:
    virtual             ~RGBImage()                     {}

    virtual char        nrComponents() const            = 0;
    virtual bool        hasAlpha() const;
    virtual bool        setSize(int,int)                = 0;
    virtual int         getSize(bool xdir) const        = 0;
    virtual Color       get(int,int) const              = 0;
    virtual bool        set(int,int,const Color&)       = 0;
    virtual void        clear(const Color&)             = 0;

    virtual int         bufferSize() const;
    virtual void        fill(unsigned char*) const;
    virtual bool        put(const unsigned char*,bool xdir_slowest=true,
                            bool with_opacity=false);
    virtual bool        blendWith(const RGBImage& sourceimage,
                                  bool blendtransparency = false,
                                  unsigned char blendtransparencyval = 0,
                                  bool blendequaltransparency = false,
                                  bool with_opacity=false);
    virtual bool        putFromBitmap(const unsigned char* bitmap,
                                      const unsigned char* mask = 0);

    virtual const unsigned char*        getData() const         { return 0; }
    virtual unsigned char*              getData()               { return 0; }
};

mExpClass(Basic) RGBImageLoader
{
public:

    static RGBImage*    loadRGBImage(const char* fnm,uiString& errmsg);

private:

    virtual RGBImage*   loadImage(const char*, uiString&) const = 0;
    static  PtrMan<RGBImageLoader>   imageloader_;

public:

    static void          setImageLoader(RGBImageLoader*);

    virtual              ~RGBImageLoader();

};

}; // namespace OD