void* (*get)(struct _gfxdocument*gfx, char*name);
void (*destroy)(struct _gfxdocument*gfx);
void (*set_parameter)(struct _gfxdocument*gfx, char*name, char*value);
+ char* (*getinfo)(struct _gfxdocument*gfx, char*key);
struct _gfxpage* (*getpage)(struct _gfxdocument*gfx, int page);
void*internal;
} gfxdocument_t;