public void Calculate(string str, OGTextStyle style, float size, Rect rect)
{
lineHeight = style.font.info.lineSpacing * size;
LineInfo line = NewLine(0);
int lastSpace = 0;
float lineWidthAtLastSpace = 0;
float space = (style.font.GetCharacterInfo(" "[0]).width *size);
float right = rect.width - style.padding.right - style.padding.left;
int c = 0;
for (c = 0; c < str.Length; c++)
{
OGCharacterInfo info = style.font.GetCharacterInfo(str[c]);
// This character is a carriage return
if (str[c] == "\n"[0])
{
line.End(c);
line = NewLine(line.end);
// This character is a space
}
else if (info.space)
{
line.width += space;
lastSpace = c;
// The line width has exceeded the border
if (line.width >= right)
{
line.width = lineWidthAtLastSpace;
c = lastSpace == 0 ? lastSpace : c;
line.End(c - 1);
line = NewLine(c + 1);
}
else
{
lineWidthAtLastSpace = line.width - space;
line.AddChar(info);
}
// This character is a regular glyph
}
else
{
line.width += info.width * size;
// The line width has exceeded the border
if (line.width >= right)
{
line.width = lineWidthAtLastSpace;
c = lastSpace == 0 ? lastSpace : c;
line.End(c - 1);
line = NewLine(c + 1);
}
else
{
line.AddChar(info);
}
}
}
line.End(c);
length = lIndex;
lIndex = 0;
}