src/mathed/TextPainter.cpp

   1 /**
   2  * \file TextPainter.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "TextPainter.h"
  14
  15
  16 namespace lyx {
  17
  18
  19 TextPainter::TextPainter(int xmax, int ymax)
  20         : xmax_(xmax), ymax_(ymax), data_(xmax_ * (ymax_ + 1), ' ')
  21 {}
  22
  23
  24 char_type & TextPainter::at(int x, int y)
  25 {
  26         return data_[y * xmax_ + x];
  27 }
  28
  29
  30 char_type TextPainter::at(int x, int y) const
  31 {
  32         return data_[y * xmax_ + x];
  33 }
  34
  35
  36 void TextPainter::draw(int x, int y, char_type const * str)
  37 {
  38         //cerr << "drawing string '" << str << "' at " << x << ',' << y << endl;
  39         for (int i = 0; *str && x + i < xmax_; ++i, ++str)
  40                 at(x + i, y) = *str;
  41         //show();
  42 }
  43
  44
  45 void TextPainter::horizontalLine(int x, int y, int n, char_type c)
  46 {
  47         for (int i = 0; i < n && i + x < xmax_; ++i)
  48                 at(x + i, y) = c;
  49 }
  50
  51
  52 void TextPainter::verticalLine(int x, int y, int n, char_type c)
  53 {
  54         for (int i = 0; i < n && i + y < ymax_; ++i)
  55                 at(x, y + i) = c;
  56 }
  57
  58
  59 void TextPainter::draw(int x, int y, char_type c)
  60 {
  61         //cerr << "drawing char '" << c << "' at " << x << ',' << y << endl;
  62         at(x, y) = c;
  63         //show();
  64 }
  65
  66
  67 void TextPainter::show(odocstream & os, int offset) const
  68 {
  69         os << '\n';
  70         for (int j = 0; j <= ymax_; ++j) {
  71                 for (int i = 0; i < offset; ++i)
  72                         os << ' ';
  73                 for (int i = 0; i < xmax_; ++i)
  74                         os << at(i, j);
  75                 os << '\n';
  76         }
  77 }
  78
  79
  80 } // namespace lyx