1 // This may look like C code, but it is really -*- C++ -*- 2 /* 3 Copyright (C) 1988 Free Software Foundation 4 written by Doug Lea (dl@rocky.oswego.edu) 5 6 This file is part of GNU CC. 7 8 GNU CC is distributed in the hope that it will be useful, 9 but WITHOUT ANY WARRANTY. No author or distributor 10 accepts responsibility to anyone for the consequences of using it 11 or for whether it serves any particular purpose or works at all, 12 unless he says so in writing. Refer to the GNU CC General Public 13 License for full details. 14 15 Everyone is granted permission to copy, modify and redistribute 16 GNU CC, but only under the conditions described in the 17 GNU CC General Public License. A copy of this license is 18 supposed to have been given to you along with GNU CC so you 19 can know your rights and responsibilities. It should be in a 20 file named COPYING. Among other things, the copyright notice 21 and this notice must be preserved on all copies. 22 */ 23 24 /* 25 a very simple implementation of a class to output unix "plot" 26 format plotter files. See corresponding unix man pages for 27 more details. 28 */ 29 30 #ifndef _PlotFile_h 31 #ifdef __GNUG__ 32 #pragma once 33 #pragma interface 34 #endif 35 #define _PlotFile_h 36 37 #include <File.h> 38 39 /* 40 Some plot libraries have the `box' command to draw boxes. Some don't. 41 `box' is included here via moves & lines to allow both possiblilties. 42 */ 43 44 45 class PlotFile : private File 46 { 47 protected: 48 PlotFile& cmd(char c); 49 PlotFile& operator << (const int x); 50 PlotFile& operator << (const char *s); 51 52 public: 53 54 PlotFile(); 55 PlotFile(const char* filename, io_mode m, access_mode a); 56 PlotFile(const char* filename, const char* m); 57 PlotFile(int filedesc, const io_mode m = io_writeonly); 58 PlotFile(FILE* fileptr); 59 60 ~PlotFile(); 61 62 operator void*(); 63 close()64 PlotFile& close() { File::close(); return *this; } remove()65 PlotFile& remove() { File::remove(); return *this; } 66 filedesc()67 int filedesc() { return File::filedesc(); } name()68 const char* name() { return File::name(); } setname(const char * newname)69 void setname(const char* newname) { File::setname(newname); } iocount()70 int iocount() { return File::iocount(); } 71 rdstate()72 int rdstate() { return File::rdstate(); } eof()73 int eof() { return File::eof(); } fail()74 int fail() { return File::fail(); } bad()75 int bad() { return File::bad(); } good()76 int good() { return File::good(); } 77 78 // other status queries 79 readable()80 int readable() { return File::readable(); } writable()81 int writable() { return File::writable(); } is_open()82 int is_open() { return File::is_open(); } 83 error()84 void error() { File::error(); } 85 void clear(state_value f = _good) { File::clear(f); } set(state_value f)86 void set(state_value f) { File::set(f); } unset(state_value f)87 void unset(state_value f) { File::unset(f); } failif(int cond)88 PlotFile& failif(int cond) { File::failif(cond); return *this; } check_state()89 void check_state() { File::check_state(); } 90 raw()91 PlotFile& raw() { File::raw(); return *this; } 92 93 PlotFile& open(const char* filename, io_mode m, access_mode a); 94 PlotFile& open(const char* filename, const char* m); 95 PlotFile& open(int filedesc, io_mode m); 96 PlotFile& open(FILE* fileptr); 97 PlotFile& setbuf(const int buffer_kind); // vals: _IONBF, _IOFBF, _IOLBF 98 PlotFile& setbuf(const int size, char* buf); 99 100 PlotFile& arc(const int xi, const int yi, 101 const int x0, const int y0, 102 const int x1, const int y1); 103 PlotFile& box(const int x0, const int y0, 104 const int x1, const int y1); 105 PlotFile& circle(const int x, const int y, const int r); 106 PlotFile& cont(const int xi, const int yi); 107 PlotFile& dot(const int xi, const int yi, const int dx, 108 int n, const int* pat); 109 PlotFile& erase(); 110 PlotFile& label(const char* s); 111 PlotFile& line(const int x0, const int y0, 112 const int x1, const int y1); 113 PlotFile& linemod(const char* s); 114 PlotFile& move(const int xi, const int yi); 115 PlotFile& point(const int xi, const int yi); 116 PlotFile& space(const int x0, const int y0, 117 const int x1, const int y1); 118 }; 119 120 121 #endif 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155