/// <summary>
/// Dispose resources
/// </summary>
public void Dispose()
{
if (GlyphTileset != null)
{
GlyphTileset.Dispose();
}
GlyphTileset = null;
if (TextTileset != null)
{
TextTileset.Dispose();
}
TextTileset = null;
LineHeight = 0;
Advance = 0;
TTFFileName = string.Empty;
TTFSize = -1;
IsDisposed = true;
GC.SuppressFinalize(this);
}
/// <summary>
/// Prints some text on the screen within a rectangle with justification
/// </summary>
/// <param name="batch">Spritebatch handle</param>
/// <param name="zone">Rectangle of the text</param>
/// <param name="justification">Text justifcation</param>
/// <param name="color">Text color</param>
/// <param name="text">Text to print</param>
internal void DrawText(SpriteBatch batch, Vector4 zone, TextJustification justification, Color color, string text)
{
if (string.IsNullOrEmpty(text) || batch == null)
{
return;
}
if (GlyphTileset == null)
{
}
// Encode string to xml
string msg = "<?xml version=\"1.0\" encoding=\"unicode\" standalone=\"yes\"?><root>" + text + "</root>";
UnicodeEncoding utf8 = new UnicodeEncoding();
byte[] buffer = utf8.GetBytes(msg);
MemoryStream stream = new MemoryStream(buffer);
XmlTextReader reader = new XmlTextReader(stream);
reader.WhitespaceHandling = WhitespaceHandling.All;
// Color stack
Stack <Color> ColorStack = new Stack <Color>();
ColorStack.Push(color);
Color currentcolor = color;
Vector4 rect = zone;
// Extra offset when displaying tile
int tileoffset = 0;
try
{
// Skip the first tags "<?...?>" and "<root>"
reader.MoveToContent();
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Attribute:
{
}
break;
#region control tags
// Special tags
case XmlNodeType.Element:
{
switch (reader.Name.ToLower())
{
case "tile":
{
if (TextTileset == null)
{
break;
}
int id = int.Parse(reader.GetAttribute("id"));
Tile tile = TextTileset.GetTile(id);
batch.DrawTile(TextTileset, id, rect.Xy, Color.White);
rect.X += tile.Size.Width;
//rect.Offset(tile.Size.Width, 0);
tileoffset = tile.Size.Height - LineHeight;
}
break;
case "br":
{
rect.X = zone.X;
rect.Y += (int)(LineHeight * GlyphTileset.Scale.Y) + tileoffset + Interline;
tileoffset = 0;
}
break;
// Change the color
case "color":
{
ColorStack.Push(currentcolor);
currentcolor = Color.FromArgb(int.Parse(reader.GetAttribute("a")),
int.Parse(reader.GetAttribute("r")),
int.Parse(reader.GetAttribute("g")),
int.Parse(reader.GetAttribute("b")));
}
break;
}
}
break;
#endregion
#region closing control tags
case XmlNodeType.EndElement:
{
switch (reader.Name.ToLower())
{
case "color":
{
currentcolor = ColorStack.Pop();
}
break;
}
}
break;
#endregion
#region Raw text
case XmlNodeType.Text:
{
foreach (char c in reader.Value)
{
// Get the tile
Tile tile = GlyphTileset.GetTile(c - GlyphOffset);
if (tile == null)
{
continue;
}
// Move the glyph according to its origin
Vector4 tmp = new Vector4(
rect.X - tile.Pivot.X * GlyphTileset.Scale.X, rect.Y - tile.Pivot.Y * GlyphTileset.Scale.Y,
tile.Rectangle.Width * GlyphTileset.Scale.X, tile.Rectangle.Height * GlyphTileset.Scale.Y);
// Out of the bouding box => new line
if (tmp.Right >= zone.Right && zone.Size != Vector2.Zero)
{
tmp.X = zone.X;
tmp.Y = tmp.Y + (LineHeight * GlyphTileset.Scale.Y);
rect.X = zone.X;
rect.Y += (LineHeight * GlyphTileset.Scale.Y) + tileoffset + Interline;
tileoffset = 0;
}
// Add glyph to the batch
batch.DrawTile(GlyphTileset, c - GlyphOffset, tmp.Xy, currentcolor);
// Move to the next glyph
rect.X += tmp.Width + Advance;
//rect = Vector4.Add(rect, new Vector4(tmp.Width + Advance, 0.0f, 0.0f, 0.0f));
}
}
break;
#endregion
}
}
}
catch (XmlException ex)
{
}
finally
{
// Close streams
reader.Close();
stream.Close();
}
}
