/// <summary>
/// Draw the overlay(s)
/// </summary>
public void Draw()
{
this.EnsureInitiliazed();
this.Begin();
dynamic element = null;
TextElement textElement = element as TextElement;
ImageElement imageElement = element as ImageElement;
if (textElement != null)
{
DXFont font = this.GetFontForTextElement(textElement);
if (font != null && !String.IsNullOrEmpty(textElement.Text))
{
this.SpriteEngine.DrawString(textElement.Location.X, textElement.Location.Y, textElement.Text, textElement.Color, font);
}
}
else if (imageElement != null)
{
DXImage image = this.GetImageForImageElement(imageElement);
if (image != null)
{
this.SpriteEngine.DrawImage(imageElement.Location.X, imageElement.Location.Y, imageElement.Scale, imageElement.Angle, System.Drawing.Color.White, image);
}
}
this.End();
}
private DXFont GetFontForTextElement(TextElement element)
{
DXFont result = null;
String fontKey = String.Format("{0}{1}{2}", element.Font.Name, element.Font.Size, element.Font.Style, true);
if (!this.FontCache.TryGetValue(fontKey, out result))
{
result = new DXFont(this.Device, this.DeviceContext);
result.Initialize(element.Font.Name, element.Font.Size, element.Font.Style, true);
this.FontCache[fontKey] = result;
}
return(result);
}
public void DrawString(Int32 x, Int32 y, String text, System.Drawing.Color color, DXFont font)
{
RawColor4 blendFactor = new RawColor4(1.0f, 1.0f, 1.0f, 1.0f);
RawColor4 backupBlendFactor;
Int32 backupMask;
using (BlendState backupBlendState = DeviceContext.OutputMerger.GetBlendState(out backupBlendFactor, out backupMask))
{
this.DeviceContext.OutputMerger.SetBlendState(this.TransparentBlendState, blendFactor);
this.BeginBatch(font.GetFontSheetSRV());
Int32 length = text.Length;
Int32 positionX = x;
Int32 positionY = y;
RawColor4 color4 = ToColor4(color);
for (Int32 index = 0; index < length; ++index)
{
Char character = text[index];
if (character == ' ')
{
positionX += font.GetSpaceWidth();
}
else if (character == '\n')
{
positionX = x;
positionY += font.GetCharHeight();
}
else
{
RawRectangle charRectangle = font.GetCharRect(character);
Int32 width = charRectangle.Right - charRectangle.Left;
Int32 height = charRectangle.Bottom - charRectangle.Top;
this.Draw(new RawRectangle(positionX, positionY, width, height), charRectangle, color4);
positionX += width + 1;
}
}
this.EndBatch();
this.DeviceContext.OutputMerger.SetBlendState(backupBlendState, backupBlendFactor, backupMask);
}
}
