/*
......... 2015 Ivan Mahonin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Data.Linq;
using System.Drawing;
namespace Diagram {
public class TextUtils {
static Bitmap tmpBitmap = new Bitmap(10, 10);
static Graphics tmpGraphics = Graphics.FromImage(tmpBitmap);
public static string wrap(string text, double width, Font font) {
string wrapped = "";
string line = "";
int wordStart = 0;
for(int i = 0; i <= text.Length; ++i) {
char c = i < text.Length ? text[i] : ' ';
if (char.IsWhiteSpace(c)) {
bool newLine = c == '\n';
string word = text.Substring(wordStart, i - wordStart);
if (word != "") {
if (line == "") {
line = word;
word = "";
} else
if (tmpGraphics.MeasureString(line, font).Width <= width) {
line += " " + word;
word = "";
} else {
newLine = true;
}
}
if (newLine) {
if (wrapped != "") wrapped += "\r\n";
wrapped += line;
line = word;
}
wordStart = i + 1;
}
}
if (line != "") {
if (wrapped != "") wrapped += "\r\n";
wrapped += line;
}
return wrapped;
}
public static SizeF measure(string text, Font font) {
return tmpGraphics.MeasureString(text, font);
}
}
}