libio/PlotFile.cc

   1 /*
   2 Copyright (C) 1993 Free Software Foundation
   3
   4 This file is part of the GNU IO Library.  This library is free
   5 software; you can redistribute it and/or modify it under the
   6 terms of the GNU General Public License as published by the
   7 Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 This library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this library; see the file COPYING.  If not, write to the Free
  17 Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 As a special exception, if you link this library with files
  20 compiled with a GNU compiler to produce an executable, this does not cause
  21 the resulting executable to be covered by the GNU General Public License.
  22 This exception does not however invalidate any other reasons why
  23 the executable file might be covered by the GNU General Public License. */
  24
  25 // This may look like C code, but it is really -*- C++ -*-
  26 /*
  27 Copyright (C) 1988, 1992, 1993 Free Software Foundation
  28     written by Doug Lea (dl@rocky.oswego.edu)
  29     converted to use iostream library by Per Bothner (bothner@cygnus.com)
  30
  31 This file is part of the GNU IO Library.  This library is free
  32 software; you can redistribute it and/or modify it under the
  33 terms of the GNU General Public License as published by the
  34 Free Software Foundation; either version 2, or (at your option)
  35 any later version.
  36
  37 This library is distributed in the hope that it will be useful,
  38 but WITHOUT ANY WARRANTY; without even the implied warranty of
  39 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  40 GNU General Public License for more details.
  41
  42 You should have received a copy of the GNU General Public License
  43 along with this library; see the file COPYING.  If not, write to the Free
  44 Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  45
  46 As a special exception, if you link this library with files
  47 compiled with GCC to produce an executable, this does not cause
  48 the resulting executable to be covered by the GNU General Public License.
  49 This exception does not however invalidate any other reasons why
  50 the executable file might be covered by the GNU General Public License.  */
  51
  52 #ifdef __GNUG__
  53 #pragma implementation
  54 #endif
  55 #include <PlotFile.h>
  56
  57 /*
  58  PlotFile implementation module
  59 */
  60
  61
  62 PlotFile& PlotFile:: cmd(char c)
  63 {
  64   ofstream::put(c);
  65   return *this;
  66 }
  67
  68 PlotFile& PlotFile:: operator<<(const int x)
  69 {
  70 #if defined(convex)
  71   ofstream::put((char)(x>>8));
  72   ofstream::put((char)(x&0377));
  73 #else
  74   ofstream::put((char)(x&0377));
  75   ofstream::put((char)(x>>8));
  76 #endif
  77   return *this;
  78 }
  79
  80 PlotFile& PlotFile:: operator<<(const char *s)
  81 {
  82   *(ofstream*)this << s;
  83   return *this;
  84 }
  85
  86
  87 PlotFile& PlotFile:: arc(const int xi, const int yi,
  88                          const int x0, const int y0,
  89                          const int x1, const int y1)
  90 {
  91   return cmd('a') << xi << yi << x0 << y0 << x1 << y1;
  92 }
  93
  94
  95 PlotFile& PlotFile:: box(const int x0, const int y0,
  96                          const int x1, const int y1)
  97 {
  98   line(x0, y0, x0, y1);
  99   line(x0, y1, x1, y1);
 100   line(x1, y1, x1, y0);
 101   return line(x1, y0, x0, y0);
 102 }
 103
 104 PlotFile& PlotFile:: circle(const int x, const int y, const int r)
 105 {
 106   return cmd('c') << x << y << r;
 107 }
 108
 109 PlotFile& PlotFile:: cont(const int xi, const int yi)
 110 {
 111   return cmd('n') << xi << yi;
 112 }
 113
 114 PlotFile& PlotFile:: dot(const int xi, const int yi, const int dx,
 115                          int n, const int* pat)
 116 {
 117   cmd('d') << xi << yi << dx << n;
 118   while (n-- > 0) *this << *pat++;
 119   return *this;
 120 }
 121
 122 PlotFile& PlotFile:: erase()
 123 {
 124   return cmd('e');
 125 }
 126
 127 PlotFile& PlotFile:: label(const char* s)
 128 {
 129   return cmd('t') << s << "\n";
 130 }
 131
 132 PlotFile& PlotFile:: line(const int x0, const int y0,
 133                           const int x1, const int y1)
 134 {
 135   return cmd('l') << x0 << y0 << x1 << y1;
 136 }
 137
 138 PlotFile& PlotFile:: linemod(const char* s)
 139 {
 140   return cmd('f') << s << "\n";
 141 }
 142
 143 PlotFile& PlotFile:: move(const int xi, const int yi)
 144 {
 145   return cmd('m') << xi << yi;
 146 }
 147
 148 PlotFile& PlotFile:: point(const int xi, const int yi)
 149 {
 150   return cmd('p') << xi << yi;
 151 }
 152
 153 PlotFile& PlotFile:: space(const int x0, const int y0,
 154                            const int x1, const int y1)
 155 {
 156   return cmd('s') << x0 << y0 << x1 << y1;
 157 }