public void DrawText(string str, Vector2 drawpos, Alignment alignment, TextParameters parameters)
{
parameters = parameters.Copy();
int lineoffset = 0;
int totalindex = 0;
str = FontUtil.FitString(str, parameters);
foreach (string line in str.Split('\n'))
{
if (lineoffset + parameters.LineSeperator > parameters.MaxHeight)
{
break;
}
int textwidth = FontUtil.GetStringWidth(line, parameters);
int offset = (parameters.MaxWidth ?? 0) - textwidth;
switch (alignment)
{
case (Alignment.Left):
offset = 0;
break;
case (Alignment.Center):
offset /= 2;
break;
}
DrawTextLine(line, drawpos + new Vector2(offset, lineoffset), totalindex, parameters);
totalindex += line.Length;
lineoffset += parameters.LineSeperator;
}
}
public static string FitString(string str, TextParameters parameters)
{
parameters = parameters.Copy();
int maxwidth = parameters.MaxWidth ?? int.MaxValue;
int lastspot = 0;
int idealspot = 0;
int width = 0;
string newstr = "";
for (int i = 0; i < str.Length; i++)
{
char chr = str[i];
var charWidth = GetCharWidth(chr) + parameters.CharSeperator + (parameters.Bold ? 1 : 0);
if (charWidth > maxwidth)
{
return("");
}
width += charWidth;
switch (chr)
{
case (Game.FORMAT_BOLD):
parameters.Bold = !parameters.Bold;
break;
}
if (chr == ' ')
{
idealspot = i + 1;
}
if (chr == '\n')
{
width = 0;
}
if (width > maxwidth)
{
if (idealspot == lastspot)
{
idealspot = i;
}
string substr = str.Substring(lastspot, idealspot - lastspot);
newstr += substr.Trim() + "\n";
lastspot = idealspot;
i = idealspot - 1;
width = 0;
}
}
newstr += str.Substring(lastspot, str.Length - lastspot);
return(newstr);
}
public static int GetStringWidth(string str, TextParameters parameters)
{
parameters = parameters.Copy();
int n = 0;
foreach (char chr in str)
{
n += GetCharWidth(chr) + parameters.CharSeperator + (parameters.Bold ? 1 : 0);
switch (chr)
{
case (Game.FORMAT_BOLD):
parameters.Bold = !parameters.Bold;
break;
}
}
return(n);
}
