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xplotfil.h
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C/C++ Source or Header
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1991-07-10
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4KB
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122 lines
// 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