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torben |
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#ifndef streamIOCtx |
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#define streamIOCtx |
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#include "gd.h" |
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#ifdef __cplusplus |
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#include <iostream> |
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class BGD_EXPORT_DATA_IMPL istreamIOCtx : public gdIOCtx |
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{ |
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public: |
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typedef std::istream stream_type; |
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istreamIOCtx(stream_type & __stream) { init( & __stream); } |
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static int Getbuf (struct gdIOCtx * ctx, void * buf, int size); |
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static int Putbuf (struct gdIOCtx * , const void * , int ); |
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static void Putchar (struct gdIOCtx * , int ); |
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static int Getchar (struct gdIOCtx * ctx); |
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static int Seek (struct gdIOCtx * ctx, const int pos); |
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static long Tell (struct gdIOCtx * ctx); |
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static void FreeCtx (struct gdIOCtx * ctx); |
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void init(stream_type * __stream) |
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{ |
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getC = Getchar; |
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putC = Putchar; |
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getBuf = Getbuf; |
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putBuf = Putbuf; |
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tell = Tell; |
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seek = Seek; |
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gd_free = FreeCtx; |
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_M_stream = __stream; |
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} |
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private: |
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stream_type * _M_stream; |
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}; |
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inline gdIOCtx * gdNewIstreamCtx (std::istream * __stream) |
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{ |
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return new istreamIOCtx(* __stream); |
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} |
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class BGD_EXPORT_DATA_IMPL ostreamIOCtx : public gdIOCtx |
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{ |
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public: |
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typedef std::ostream stream_type; |
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ostreamIOCtx(stream_type & __stream) { init( & __stream); } |
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static int Getbuf (struct gdIOCtx * , void * , int ); |
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static int Putbuf (struct gdIOCtx * ctx, const void * buf, int size); |
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static int Getchar (struct gdIOCtx * ); |
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static void Putchar (struct gdIOCtx * ctx, int a); |
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static int Seek (struct gdIOCtx * ctx, const int pos); |
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static long Tell (struct gdIOCtx * ctx); |
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static void FreeCtx (struct gdIOCtx * ctx); |
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void init(stream_type * __stream) |
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{ |
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getC = Getchar; |
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putC = Putchar; |
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getBuf = Getbuf; |
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putBuf = Putbuf; |
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tell = Tell; |
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seek = Seek; |
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gd_free = FreeCtx; |
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_M_stream = __stream; |
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} |
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private: |
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stream_type * _M_stream; |
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}; |
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inline gdIOCtx * gdNewOstreamCtx (std::ostream * __stream) |
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{ |
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return new ostreamIOCtx(* __stream); |
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} |
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#endif // __cplusplus |
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#endif // streamIOCtx |