sdsdl.h

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//--- < SDSDL.H > ---------------| ViewGraph - A Flexible Graph view Framework |
//
// Base SDL wrapper for ViewGraph
//
// Note: SDL supports monochrome cursors
// only.
//
// $Author: botik32 $
// $Revision: 1.4 $
// $Date: 2004/05/03 21:02:01 $
//-----------------------------------------------------------------------------/

#ifndef SDSDL_H
#define SDSDL_H

#include <SDL/SDL.h>
#include <SDL/SDL_mouse.h>
#include <cZUI/drivers/surfacedriver.h>
#include <cZUI/drivers/image.h>

class SDLSurfaceCursor : public SurfaceCursor
{
protected:
        SDL_Cursor *cursor;
public:
        SDLSurfaceCursor( char **img );
        ~SDLSurfaceCursor();

        friend int main( int, char* [] );
        friend class SDLSurfaceDriver;
};

class SDLImage : public Image
{
protected:
        SDL_Surface *srf;
public:
        static const char* type;

        SDLImage( SDL_Surface* );
        SDLImage( Image *, double mag );
        const char* get_type( void );
        void* get_data( void );
        void get_dimensions( int& w, int& h );
        int get_bpp( void );

        // conversion to 565 format
        Image* convert_to_565( void );
        ~SDLImage();
};

class SDLSurfaceDriver;

typedef void (*pcursorfunc)( SDLSurfaceDriver *, SurfaceCursor* );

class SDLSurfaceDriver : public SurfaceDriver
{
protected:
        SDLSurfaceCursor *cursor;
        SDL_Surface *srf;
        pcursorfunc setcursor_notif;
public:

        virtual void repaint( void );
        virtual void repaint_rect( int, int, int, int );

        virtual void setcursor( SurfaceCursor * );
        virtual SurfaceCursor* getcursor( void );
        virtual void showcursor( bool );
        
        virtual void enqueue_event( Event * );
        virtual void get_mousepos( int&, int& );
        virtual msbutton get_mousestate( void );
        
        virtual Image* load_image( const char * );
        virtual void put_image( Image*, int destx, int desty, 
                        int imgx=0, int imgy=0, int w=0, int h=0 );
        Image* create_scaled_image( Image *, double mgf );

        /// Passive (memory) surfaces cannot set the cursor.
        /// Use this function to delegate cursor changes to
        /// a surface in control.
        void delegate_cursor_set( pcursorfunc );

        SDLSurfaceDriver( int, int, SDL_Surface *s=0 );
        virtual ~SDLSurfaceDriver();
        
};

#endif

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