DXFont GetFontForTextElement(TextElement element)
{
DXFont result = null;
string fontKey = String.Format("{0}{1}{2}", element.Font.Name, element.Font.Size, element.Font.Style, element.AntiAliased);
if (!_fontCache.TryGetValue(fontKey, out result))
{
result = ToDispose(new DXFont(_device, _deviceContext));
result.Initialize(element.Font.Name, element.Font.Size, element.Font.Style, element.AntiAliased);
_fontCache[fontKey] = result;
}
return(result);
}
/// <summary>
/// Draw the overlay(s)
/// </summary>
public void Draw()
{
EnsureInitiliased();
Begin();
foreach (var overlay in Overlays)
{
foreach (var element in overlay.Elements)
{
if (element.Hidden)
{
continue;
}
var textElement = element as TextElement;
var imageElement = element as ImageElement;
if (textElement != null)
{
DXFont font = GetFontForTextElement(textElement);
if (font != null && !String.IsNullOrEmpty(textElement.Text))
{
_spriteEngine.DrawString(textElement.Location.X, textElement.Location.Y, textElement.Text, textElement.Color, font);
}
}
else if (imageElement != null)
{
DXImage image = GetImageForImageElement(imageElement);
if (image != null)
{
_spriteEngine.DrawImage(imageElement.Location.X, imageElement.Location.Y, imageElement.Scale, imageElement.Angle, imageElement.Tint, image);
}
}
}
}
End();
}
public void DrawString(int X, int Y, string text, System.Drawing.Color color, DXFont F)
{
Color4 blendFactor = new Color4(1.0f);
Color4 backupBlendFactor;
int backupMask;
using (var backupBlendState = _deviceContext.OutputMerger.GetBlendState(out backupBlendFactor, out backupMask))
{
_deviceContext.OutputMerger.SetBlendState(_transparentBS, blendFactor);
BeginBatch(F.GetFontSheetSRV());
int length = text.Length;
int posX = X;
int posY = Y;
Color4 color4 = ToColor4(color);
for (int i = 0; i < length; ++i)
{
char character = text[i];
if (character == ' ')
{
posX += F.GetSpaceWidth();
}
else if (character == '\n')
{
posX = X;
posY += F.GetCharHeight();
}
else
{
Rectangle charRect = F.GetCharRect(character);
int width = charRect.Right - charRect.Left;
int height = charRect.Bottom - charRect.Top;
Draw(new Rectangle(posX, posY, width, height), charRect, color4);
posX += width + 1;
}
}
EndBatch();
_deviceContext.OutputMerger.SetBlendState(backupBlendState, backupBlendFactor, backupMask);
}
}
