home *** CD-ROM | disk | FTP | other *** search
- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of GNU CC.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY. No author or distributor
- accepts responsibility to anyone for the consequences of using it
- or for whether it serves any particular purpose or works at all,
- unless he says so in writing. Refer to the GNU CC General Public
- License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- GNU CC, but only under the conditions described in the
- GNU CC General Public License. A copy of this license is
- supposed to have been given to you along with GNU CC so you
- can know your rights and responsibilities. It should be in a
- file named COPYING. Among other things, the copyright notice
- and this notice must be preserved on all copies.
- */
-
- /*
- a very simple implementation of a class to output unix "plot"
- format plotter files. See corresponding unix man pages for
- more details.
- */
-
- #ifndef _PlotFile_h
- #ifdef __GNUG__
- #pragma once
- #pragma interface
- #endif
- #define _PlotFile_h
-
- #include <xfile.h>
-
- /*
- Some plot libraries have the `box' command to draw boxes. Some don't.
- `box' is included here via moves & lines to allow both possiblilties.
- */
-
-
- class PlotFile : private File
- {
- protected:
- PlotFile& cmd(char c);
- PlotFile& operator << (const int x);
- PlotFile& operator << (const char *s);
-
- public:
-
- PlotFile();
- PlotFile(const char* filename, io_mode m, access_mode a);
- PlotFile(const char* filename, const char* m);
- PlotFile(int filedesc, const io_mode m = io_writeonly);
- PlotFile(FILE* fileptr);
-
- ~PlotFile();
-
- operator void*();
-
- PlotFile& close() { File::close(); return *this; }
- PlotFile& remove() { File::remove(); return *this; }
-
- int filedesc() { return File::filedesc(); }
- const char* name() { return File::name(); }
- void setname(const char* newname) { File::setname(newname); }
- int iocount() { return File::iocount(); }
-
- int rdstate() { return File::rdstate(); }
- int eof() { return File::eof(); }
- int fail() { return File::fail(); }
- int bad() { return File::bad(); }
- int good() { return File::good(); }
-
- // other status queries
-
- int readable() { return File::readable(); }
- int writable() { return File::writable(); }
- int is_open() { return File::is_open(); }
-
- void error() { File::error(); }
- void clear(state_value f = _good) { File::clear(f); }
- void set(state_value f) { File::set(f); }
- void unset(state_value f) { File::unset(f); }
- PlotFile& failif(int cond) { File::failif(cond); return *this; }
- void check_state() { File::check_state(); }
-
- PlotFile& raw() { File::raw(); return *this; }
-
- PlotFile& open(const char* filename, io_mode m, access_mode a);
- PlotFile& open(const char* filename, const char* m);
- PlotFile& open(int filedesc, io_mode m);
- PlotFile& open(FILE* fileptr);
- PlotFile& setbuf(const int buffer_kind); // vals: _IONBF, _IOFBF, _IOLBF
- PlotFile& setbuf(const int size, char* buf);
-
- PlotFile& arc(const int xi, const int yi,
- const int x0, const int y0,
- const int x1, const int y1);
- PlotFile& box(const int x0, const int y0,
- const int x1, const int y1);
- PlotFile& circle(const int x, const int y, const int r);
- PlotFile& cont(const int xi, const int yi);
- PlotFile& dot(const int xi, const int yi, const int dx,
- int n, const int* pat);
- PlotFile& erase();
- PlotFile& label(const char* s);
- PlotFile& line(const int x0, const int y0,
- const int x1, const int y1);
- PlotFile& linemod(const char* s);
- PlotFile& move(const int xi, const int yi);
- PlotFile& point(const int xi, const int yi);
- PlotFile& space(const int x0, const int y0,
- const int x1, const int y1);
- };
-
-
- #endif
-