public Vector2 nk_text_calculate_text_bounds(StringSegment begin, float row_height,
out StringSegment remaining, out Vector2 out_offset, out int glyphs, int op)
{
var line_height = row_height;
var text_size = new Vector2(0, 0);
var line_width = 0.0f;
float glyph_width;
var glyph_len = 0;
var unicode = 0;
var text_len = 0;
out_offset = Vector2.Zero;
glyphs = 0;
remaining = StringSegment.Null;
if (begin.IsNullOrEmpty)
{
return(new Vector2(0, row_height));
}
glyph_len = Nuklear.nk_utf_decode(begin, &unicode);
if (glyph_len == 0)
{
return(text_size);
}
glyph_width = width(new StringSegment(begin, begin.Location, glyph_len));
glyphs = 0;
while (text_len < begin.Length && glyph_len != 0)
{
if (unicode == '\n')
{
text_size.X = text_size.X < line_width ? line_width : text_size.X;
text_size.Y += line_height;
line_width = 0;
glyphs += 1;
if (op == Nuklear.NK_STOP_ON_NEW_LINE)
{
break;
}
text_len++;
glyph_len = Nuklear.nk_utf_decode(begin + text_len, &unicode);
continue;
}
if (unicode == '\r')
{
text_len++;
glyphs += 1;
glyph_len = Nuklear.nk_utf_decode(begin + text_len, &unicode);
continue;
}
glyphs = glyphs + 1;
text_len += glyph_len;
line_width += glyph_width;
glyph_len = Nuklear.nk_utf_decode(begin + text_len, &unicode);
glyph_width = width(begin + text_len);
}
if (text_size.X < line_width)
{
text_size.X = line_width;
}
out_offset = new Vector2(line_width, text_size.Y + line_height);
if (line_width > 0 || text_size.Y == 0.0f)
{
text_size.Y += line_height;
}
if (remaining != null)
{
remaining = begin + text_len;
}
return(text_size);
}
public Nuklear.nk_font AddDefaultFont(float height)
{
return(Nuklear.nk_font_atlas_add_default(_atlas, height, null));
}