lyx_mirror/src/mathed/textpainter.C

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/**
* \file textpainter.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Andr<EFBFBD> P<EFBFBD>nitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "textpainter.h"
#include "support/LOstream.h"
TextPainter::TextPainter(int xmax, int ymax)
: xmax_(xmax), ymax_(ymax), data_(xmax_ * (ymax_ + 1), ' ')
{}
char & TextPainter::at(int x, int y)
{
return data_[y * xmax_ + x];
}
char TextPainter::at(int x, int y) const
{
return data_[y * xmax_ + x];
}
void TextPainter::draw(int x, int y, char const * str)
{
//cerr << "drawing string '" << str << "' at " << x << ',' << y << endl;
for (int i = 0; *str && x + i < xmax_; ++i, ++str)
at(x + i, y) = *str;
//show();
}
void TextPainter::horizontalLine(int x, int y, int n, char c)
{
for (int i = 0; i < n && i + x < xmax_; ++i)
at(x + i, y) = c;
}
void TextPainter::verticalLine(int x, int y, int n, char c)
{
for (int i = 0; i < n && i + y < ymax_; ++i)
at(x, y + i) = c;
}
void TextPainter::draw(int x, int y, char c)
{
//cerr << "drawing char '" << c << "' at " << x << ',' << y << endl;
at(x, y) = c;
//show();
}
void TextPainter::show(std::ostream & os, int offset) const
{
os << '\n';
for (int j = 0; j <= ymax_; ++j) {
for (int i = 0; i < offset; ++i)
os << ' ';
for (int i = 0; i < xmax_; ++i)
os << at(i, j);
os << '\n';
}
}