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drawbuf.h

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/*
 * drawbuf.h
 *
 * Turbo Vision - Version 2.0
 *
 * Copyright (c) 1994 by Borland International
 * All Rights Reserved.
 *
 * Modified by Sergio Sigala <sergio@sigala.it>
 */

#if defined( Uses_TDrawBuffer ) && !defined( __TDrawBuffer )
#define __TDrawBuffer

class TDrawBuffer
{
    friend class TFrame;
    friend class TView;
public:
    void moveChar( ushort indent, char c, ushort attr, ushort count );
    void moveStr( ushort indent, const char *str, ushort attrs );
    void moveCStr( ushort indent, const char *str, ushort attrs );
    void moveBuf( ushort indent, const void *source, ushort attr, ushort count );
    void putAttribute( ushort indent, ushort attr );
    void putChar( ushort indent, ushort c );
protected:
    ushort data[maxViewWidth];
};

#include <myendian.h>

#if (BYTE_ORDER == LITTLE_ENDIAN)
        #define loByte(w)    (((uchar *)&w)[0])
        #define hiByte(w)    (((uchar *)&w)[1])
#elif (BYTE_ORDER == BIG_ENDIAN)
        #define loByte(w)    (((uchar *)&w)[1])
        #define hiByte(w)    (((uchar *)&w)[0])
#else
        #error architecture not supported by this library
#endif

inline void TDrawBuffer::putAttribute( ushort indent, ushort attr )
{
    hiByte(data[indent]) = uchar(attr);
}

inline void TDrawBuffer::putChar( ushort indent, ushort c )
{
    loByte(data[indent]) = uchar(c);
}

#endif  // Uses_TDrawBuffer

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