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