several small fixes for mathed

[lyx.git] / src / mathed / textpainter.C

diff --git a/src/mathed/textpainter.C b/src/mathed/textpainter.C
index b1ecc52cab7868d43ab28e6a80d5733ab5698ecf..224cca9cec5ab3cb4d80f03a524dfa1de2a52f6c 100644 (file)
--- a/src/mathed/textpainter.C
+++ b/src/mathed/textpainter.C
@@ -1,8 +1,21 @@
+/**
+ * \file textpainter.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
+
 #include "textpainter.h"
+#include "support/std_ostream.h"
 
 
 TextPainter::TextPainter(int xmax, int ymax)
-       : xmax_(xmax), ymax_(ymax), data_((xmax_ + 1) * (ymax_ + 1))
+       : xmax_(xmax), ymax_(ymax), data_(xmax_ * (ymax_ + 1), ' ')
 {}
 
 
@@ -20,6 +33,43 @@ char TextPainter::at(int x, int y) const
 
 void TextPainter::draw(int x, int y, char const * str)
 {
-       for (int i = 0; *str; ++i, ++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';
+       }
 }